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Compiler bug

Kerridge, Jon

Hi,

I got his error from Groovy 2.3.0 beta3


from the following code snippet at the highlighted line


double doFitness(List <Integer> board) {
List <Integer> leftDiagonal = new ArrayList(2*N)
List <Integer> rightDiagonal = new ArrayList(2*N)
double sum = 0.0D

for ( i in 1 .. 2*N) {
leftDiagonal[i] = 0
rightDiagonal[i] = 0
}
for ( i in 1 .. N) {
leftDiagonal[i+board[i]-1]++
rightDiagonal[N-i+board[i]]++
}
for ( i in 1 .. ((2*N) - 1)) {
int counter = 0
if ( leftDiagonal[i] > 1)
counter += leftDiagonal[i] - 1
if ( rightDiagonal[i] > 1)
counter += rightDiagonal[i] - 1
sum += counter / (N - Math.abs(i-N))
}
// target fitness is 0.0
// sum can be negative so return absolute value
return Math.abs(sum)
}




Error:Groovyc: While compiling gppDemos: BUG! exception in phase 'class generation' in source unit 'D:\IJgroovy\gpp\gppDemos\src\gppDemos\nQueensProblem\QueensClient.groovy' At line 70 column 13
On receiver: leftDiagonal with message: getAt and arguments: <not implemented yet for class: org.codehaus.groovy.classgen.asm.VariableSlotLoader>
This method should not have been called. Please try to create a simple example reproducing
this error and file a bug report at https://issues.apache.org/jira/browse/GROOVY
    at org.codehaus.groovy.classgen.asm.sc.StaticTypesCallSiteWriter.makeSingleArgumentCall(StaticTypesCallSiteWriter.java:682)
    at org.codehaus.groovy.classgen.asm.InvocationWriter.makeSingleArgumentCall(InvocationWriter.java:654)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.evaluateBinaryExpression(BinaryExpressionHelper.java:574)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionMultiTypeDispatcher.evaluateBinaryExpression(BinaryExpressionMultiTypeDispatcher.java:204)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.eval(BinaryExpressionHelper.java:290)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitBinaryExpression(AsmClassGenerator.java:698)
    at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:51)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.loadWithSubscript(BinaryExpressionHelper.java:730)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.evaluatePostfixMethod(BinaryExpressionHelper.java:658)
    at org.codehaus.groovy.classgen.asm.BinaryExpressionHelper.evaluatePostfixMethod(BinaryExpressionHelper.java:681)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitPostfixExpression(AsmClassGenerator.java:703)
    at org.codehaus.groovy.ast.expr.PostfixExpression.visit(PostfixExpression.java:45)
    at org.codehaus.groovy.classgen.asm.StatementWriter.writeExpressionStatement(StatementWriter.java:621)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitExpressionStatement(AsmClassGenerator.java:680)
    at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:42)
    at org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:93)
    at org.codehaus.groovy.classgen.asm.sc.StaticTypesStatementWriter.writeBlockStatement(StaticTypesStatementWriter.java:83)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:626)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:71)
    at org.codehaus.groovy.classgen.asm.sc.StaticTypesStatementWriter.writeIteratorBasedForEachLoop(StaticTypesStatementWriter.java:254)
    at org.codehaus.groovy.classgen.asm.sc.StaticTypesStatementWriter.writeForInLoop(StaticTypesStatementWriter.java:109)
    at org.codehaus.groovy.classgen.asm.StatementWriter.writeForStatement(StatementWriter.java:105)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitForLoop(AsmClassGenerator.java:630)
    at org.codehaus.groovy.ast.stmt.ForStatement.visit(ForStatement.java:49)
    at org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:93)
    at org.codehaus.groovy.classgen.asm.sc.StaticTypesStatementWriter.writeBlockStatement(StaticTypesStatementWriter.java:83)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:626)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:71)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:110)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:121)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitStdMethod(AsmClassGenerator.java:486)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:422)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:132)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:567)
    at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1087)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:54)
    at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:260)
    at org.codehaus.groovy.control.CompilationUnit$18.call(CompilationUnit.java:853)
    at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1090)
    at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:634)
    at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:612)
    at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:589)
    at org.jetbrains.groovy.compiler.rt.GroovyCompilerWrapper.compile(GroovyCompilerWrapper.java:62)
    at org.jetbrains.groovy.compiler.rt.DependentGroovycRunner.runGroovyc(DependentGroovycRunner.java:115)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.jetbrains.groovy.compiler.rt.GroovycRunner.intMain2(GroovycRunner.java:134)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.jetbrains.jps.incremental.groovy.InProcessGroovyc.runGroovycInThisProcess(InProcessGroovyc.java:158)
    at org.jetbrains.jps.incremental.groovy.InProcessGroovyc.lambda$runGroovyc$0(InProcessGroovyc.java:88)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373

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Re: Compiler bug

Daniel.Sun
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



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Re: Compiler bug

Kerridge, Jon

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
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It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

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Re: Compiler bug

paulk_asert
I tried this script:

class QueensBase {
int N = 2

double doFitness(List <Integer> board) {
List <Integer> leftDiagonal = new ArrayList(2*N)
List <Integer> rightDiagonal = new ArrayList(2*N)
double sum = 0.0D

for ( i in 1 .. 2*N) {
leftDiagonal[i] = 0
rightDiagonal[i] = 0
}
for ( i in 1 .. N) {
leftDiagonal[i+board[i]-1]++
rightDiagonal[N-i+board[i]]++
}
for ( i in 1 .. ((2*N) - 1)) {
int counter = 0
if ( leftDiagonal[i] > 1)
counter += leftDiagonal[i] - 1
if ( rightDiagonal[i] > 1)
counter += rightDiagonal[i] - 1
sum += counter / (N - Math.abs(i-N))
}
// target fitness is 0.0
// sum can be negative so return absolute value
return Math.abs(sum)
}
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html

This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373


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Re: Compiler bug

paulk_asert

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
int N = 2

double doFitness(List <Integer> board) {
List <Integer> leftDiagonal = new ArrayList(2*N)
List <Integer> rightDiagonal = new ArrayList(2*N)
double sum = 0.0D

for ( i in 1 .. 2*N) {
leftDiagonal[i] = 0
rightDiagonal[i] = 0
}
for ( i in 1 .. N) {
leftDiagonal[i+board[i]-1]++
rightDiagonal[N-i+board[i]]++
}
for ( i in 1 .. ((2*N) - 1)) {
int counter = 0
if ( leftDiagonal[i] > 1)
counter += leftDiagonal[i] - 1
if ( rightDiagonal[i] > 1)
counter += rightDiagonal[i] - 1
sum += counter / (N - Math.abs(i-N))
}
// target fitness is 0.0
// sum can be negative so return absolute value
return Math.abs(sum)
}
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html

This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



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Re: Compiler bug

Kerridge, Jon

Hi,


This becomes problematic as the containing class is part of a much larger system.  I am building a a Groovy Parallel Patterns Library and this is just one of the demos of the library I am working on.  I have had the code working in an Eclipse envrionment with an earlier release of 2.4 probably around 10 or 11.


I have now moved to Intellij and this has thrown up the problem.


I will download a previous release of 2.4.n and see if I can get the code to work and that may then help you to identify the problem.


I have been doing a major revision of my codebase moving from Eclipse/Mercurial/ Bitbucket to Intellij/Github and this has thrown up this problem.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Paul King <[hidden email]>
Sent: 13 April 2018 11:20:16
To: [hidden email]
Subject: Re: Compiler bug
 

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
int N = 2

double doFitness(List <Integer> board) {
List <Integer> leftDiagonal = new ArrayList(2*N)
List <Integer> rightDiagonal = new ArrayList(2*N)
double sum = 0.0D

for ( i in 1 .. 2*N) {
leftDiagonal[i] = 0
rightDiagonal[i] = 0
}
for ( i in 1 .. N) {
leftDiagonal[i+board[i]-1]++
rightDiagonal[N-i+board[i]]++
}
for ( i in 1 .. ((2*N) - 1)) {
int counter = 0
if ( leftDiagonal[i] > 1)
counter += leftDiagonal[i] - 1
if ( rightDiagonal[i] > 1)
counter += rightDiagonal[i] - 1
sum += counter / (N - Math.abs(i-N))
}
// target fitness is 0.0
// sum can be negative so return absolute value
return Math.abs(sum)
}
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html

This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373

MG
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Re: Compiler bug

MG
Hi John,

I have bee using IntelliJ for years and have had a non-deterministic build problem for about the same time span, where the Groovy compiler throws on my code overriding a method in a child class with an incompatible return type. Only my code is correct, and the problem dissappears every time if I rebuild the project multiple times (without any changes between builds). Afair IntelliJ introduced some kind of caching mechanism to speed up Groovy builds some time back, and I assume this is the cause of the problem.

So it might sound odd, but I would suggest you try rebuilding your project multiple times in a row, with a little bit of delay between builds, if possible through different build paths (e.g. build a submodule other modules depend on first, etc), to see if the build suddenly works in your case too.

Cheers,
mg
 

On 13.04.2018 14:27, Kerridge, Jon wrote:

Hi,


This becomes problematic as the containing class is part of a much larger system.  I am building a a Groovy Parallel Patterns Library and this is just one of the demos of the library I am working on.  I have had the code working in an Eclipse envrionment with an earlier release of 2.4 probably around 10 or 11.


I have now moved to Intellij and this has thrown up the problem.


I will download a previous release of 2.4.n and see if I can get the code to work and that may then help you to identify the problem.


I have been doing a major revision of my codebase moving from Eclipse/Mercurial/ Bitbucket to Intellij/Github and this has thrown up this problem.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Paul King [hidden email]
Sent: 13 April 2018 11:20:16
To: [hidden email]
Subject: Re: Compiler bug
 

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



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It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

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This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

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MG
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Re: Compiler bug

MG
PS: You can also try to invalidate IntelliJ's caches (File \ Inavlidate Caches) to see if that helps. That's what I did when I first encountered my problem, but that takes quite some time (and looking back I cannot be sure if it did not just work by accident, by basically waiting some time between builds) so it is only a last resort.

On 13.04.2018 14:51, MG wrote:
Hi John,

I have bee using IntelliJ for years and have had a non-deterministic build problem for about the same time span, where the Groovy compiler throws on my code overriding a method in a child class with an incompatible return type. Only my code is correct, and the problem dissappears every time if I rebuild the project multiple times (without any changes between builds). Afair IntelliJ introduced some kind of caching mechanism to speed up Groovy builds some time back, and I assume this is the cause of the problem.

So it might sound odd, but I would suggest you try rebuilding your project multiple times in a row, with a little bit of delay between builds, if possible through different build paths (e.g. build a submodule other modules depend on first, etc), to see if the build suddenly works in your case too.

Cheers,
mg
 

On 13.04.2018 14:27, Kerridge, Jon wrote:

Hi,


This becomes problematic as the containing class is part of a much larger system.  I am building a a Groovy Parallel Patterns Library and this is just one of the demos of the library I am working on.  I have had the code working in an Eclipse envrionment with an earlier release of 2.4 probably around 10 or 11.


I have now moved to Intellij and this has thrown up the problem.


I will download a previous release of 2.4.n and see if I can get the code to work and that may then help you to identify the problem.


I have been doing a major revision of my codebase moving from Eclipse/Mercurial/ Bitbucket to Intellij/Github and this has thrown up this problem.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Paul King [hidden email]
Sent: 13 April 2018 11:20:16
To: [hidden email]
Subject: Re: Compiler bug
 

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
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It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



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Re: Compiler bug

Kerridge, Jon
In reply to this post by MG

Hi,

Thanks for the advice, will still try to see if I can find the point at which the code worked and is no longer working but will bear in mind your comment.


It looks as though moving to Intellij mught not have been the shangrilar it was made out to be!!


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: MG <[hidden email]>
Sent: 13 April 2018 13:51:13
To: [hidden email]; Kerridge, Jon
Subject: Re: Compiler bug
 
Hi John,

I have bee using IntelliJ for years and have had a non-deterministic build problem for about the same time span, where the Groovy compiler throws on my code overriding a method in a child class with an incompatible return type. Only my code is correct, and the problem dissappears every time if I rebuild the project multiple times (without any changes between builds). Afair IntelliJ introduced some kind of caching mechanism to speed up Groovy builds some time back, and I assume this is the cause of the problem.

So it might sound odd, but I would suggest you try rebuilding your project multiple times in a row, with a little bit of delay between builds, if possible through different build paths (e.g. build a submodule other modules depend on first, etc), to see if the build suddenly works in your case too.

Cheers,
mg
 

On 13.04.2018 14:27, Kerridge, Jon wrote:

Hi,


This becomes problematic as the containing class is part of a much larger system.  I am building a a Groovy Parallel Patterns Library and this is just one of the demos of the library I am working on.  I have had the code working in an Eclipse envrionment with an earlier release of 2.4 probably around 10 or 11.


I have now moved to Intellij and this has thrown up the problem.


I will download a previous release of 2.4.n and see if I can get the code to work and that may then help you to identify the problem.


I have been doing a major revision of my codebase moving from Eclipse/Mercurial/ Bitbucket to Intellij/Github and this has thrown up this problem.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Paul King [hidden email]
Sent: 13 April 2018 11:20:16
To: [hidden email]
Subject: Re: Compiler bug
 

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html

This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373


This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373

MG
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Re: Compiler bug

MG
To be clear: You have to repeatedly execute "build" - not "rebuild". While it might seem logical that, if anything, "rebuild" fixes the problem, for my that was never the case: "rebuild" just took a long time, then failed with the same error.
In my case, the problem always stays away for some time once the build works again.

I would try my suggestion first, since it will take no more than the time it takes for you to try to build your project several times. On the ther hand, if you have run into the same indeterministic problem, you will not be able to "find the point at which the code worked" - or, to be more precise, you will only think that you have found it, but it might just have worked by accident. In the beginning I did also not believe that the problem was indeterministic, since I kept changing thing until the build "worked again" - until I finally realized, that just clicking "build" several times in a row actually could make the build work (Note: My build does not have any steps outside of Groovy compilation over multiple modules).

mg


On 13.04.2018 17:32, Kerridge, Jon wrote:

Hi,

Thanks for the advice, will still try to see if I can find the point at which the code worked and is no longer working but will bear in mind your comment.


It looks as though moving to Intellij mught not have been the shangrilar it was made out to be!!


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: MG [hidden email]
Sent: 13 April 2018 13:51:13
To: [hidden email]; Kerridge, Jon
Subject: Re: Compiler bug
 
Hi John,

I have bee using IntelliJ for years and have had a non-deterministic build problem for about the same time span, where the Groovy compiler throws on my code overriding a method in a child class with an incompatible return type. Only my code is correct, and the problem dissappears every time if I rebuild the project multiple times (without any changes between builds). Afair IntelliJ introduced some kind of caching mechanism to speed up Groovy builds some time back, and I assume this is the cause of the problem.

So it might sound odd, but I would suggest you try rebuilding your project multiple times in a row, with a little bit of delay between builds, if possible through different build paths (e.g. build a submodule other modules depend on first, etc), to see if the build suddenly works in your case too.

Cheers,
mg
 

On 13.04.2018 14:27, Kerridge, Jon wrote:

Hi,


This becomes problematic as the containing class is part of a much larger system.  I am building a a Groovy Parallel Patterns Library and this is just one of the demos of the library I am working on.  I have had the code working in an Eclipse envrionment with an earlier release of 2.4 probably around 10 or 11.


I have now moved to Intellij and this has thrown up the problem.


I will download a previous release of 2.4.n and see if I can get the code to work and that may then help you to identify the problem.


I have been doing a major revision of my codebase moving from Eclipse/Mercurial/ Bitbucket to Intellij/Github and this has thrown up this problem.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Paul King [hidden email]
Sent: 13 April 2018 11:20:16
To: [hidden email]
Subject: Re: Compiler bug
 

Not sure what happened to the formatting - here it is again:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)


On Fri, Apr 13, 2018 at 8:18 PM, Paul King <[hidden email]> wrote:
I tried this script:

class QueensBase {
  int N = 2

  double doFitness(List <Integer> board) {
    List <Integer> leftDiagonal = new ArrayList(2*N)
    List <Integer> rightDiagonal = new ArrayList(2*N)
    double sum = 0.0D

    for ( i in 1 .. 2*N) {
        leftDiagonal[i] = 0
        rightDiagonal[i] = 0
    }
    for ( i in 1 .. N) {
        leftDiagonal[i+board[i]-1]++
        rightDiagonal[N-i+board[i]]++
    }
    for ( i in 1 .. ((2*N) - 1)) {
        int counter = 0
        if ( leftDiagonal[i] > 1)
            counter += leftDiagonal[i] - 1
        if ( rightDiagonal[i] > 1)
            counter += rightDiagonal[i] - 1
        sum += counter / (N - Math.abs(i-N))
    }
    // target fitness is 0.0
    // sum can be negative so return absolute value
    return Math.abs(sum)
  }
}

println new QueensBase().doFitness(1..16)

It worked for me in the Groovy Web Console, Intellij IDEA 2017.3.5 pointing to 2.4.15, and the GroovyConsole for 2.4.15 and 2.3.0.

Perhaps we need a bigger sample to track down your issue.

Cheers, Paul.


On Fri, Apr 13, 2018 at 7:39 PM, Kerridge, Jon <[hidden email]> wrote:

Daniel,


Thanks for getting back to me so quickly.


I have converted to groovy2.4.15 and the same error occurs.  I am running under Intellij IDE and had downloaded the sdk bundle.


Jon




Professor Jon Kerridge
School of Computing
Edinburgh Napier University
Merchiston Campus
Edinburgh EH10 5DT
 
0131 455 2777
 

From: Daniel.Sun <[hidden email]>
Sent: 12 April 2018 18:22:39
To: [hidden email]
Subject: Re: Compiler bug
 
Please try Groovy 2.4.15.

Cheers,
Daniel.Sun



--
Sent from: http://groovy.329449.n5.nabble.com/Groovy-Dev-f372993.html

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It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373



This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373


This message and its attachment(s) are intended for the addressee(s) only and should not be read, copied, disclosed, forwarded or relied upon by any person other than the intended addressee(s) without the permission of the sender. If you are not the intended addressee you must not take any action based on this message and its attachment(s) nor must you copy or show them to anyone. Please respond to the sender and ensure that this message and its attachment(s) are deleted.

It is your responsibility to ensure that this message and its attachment(s) are scanned for viruses or other defects. Edinburgh Napier University does not accept liability for any loss or damage which may result from this message or its attachment(s), or for errors or omissions arising after it was sent. Email is not a secure medium. Emails entering Edinburgh Napier University's system are subject to routine monitoring and filtering by Edinburgh Napier University.

Edinburgh Napier University is a registered Scottish charity. Registration number SC018373


12