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StringIndexOutOfBoundsException in JPatternDictionary [message #790221]

Sat, 04 February 2012 00:20

Eclipse User

I see this exception frequently while developing templates. It is
triggered by errors in the template. The trouble is when this exception
happens you get little/no output to the target file. So the exception
makes it even harder to develop and debug templates.

Not sure if others see this too.

Sorry if this is the wrong group

Thanks
Roy

java.lang.StringIndexOutOfBoundsException
at java.lang.String.substring(String.java:1092)
at
org.eclipse.emf.codegen.merge.java.JPatternDictionary.visit(JPatternDictionary.java:353)
at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.dispatch(FacadeVisitor.java:90)
at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.visit(FacadeVisitor.java:38)
at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.start(FacadeVisitor.java:27)
at
org.eclipse.emf.codegen.merge.java.JPatternDictionary.<init>(JPatternDictionary.java:76)
at
org.eclipse.emf.codegen.merge.java.JMerger.setTargetCompilationUnit(JMerger.java:413)
at
org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapter.generateJava(AbstractGeneratorAdapter.java:1022)
at
com.ebay.eclipse.emf.generator.dal.GenClassDalGeneratorAdapter.generateModel(GenClassDalGeneratorAdapter.java:115)
at
org.eclipse.emf.codegen.ecore.genmodel.generator.GenBaseGeneratorAdapter.doGenerate(GenBaseGeneratorAdapter.java:221)
at
org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapter.generate(AbstractGeneratorAdapter.java:290)
at
org.eclipse.emf.codegen.ecore.generator.Generator.generate(Generator.java:617)
at
org.eclipse.emf.codegen.ecore.genmodel.presentation.GeneratorUIUtil$GeneratorOperation.execute(GeneratorUIUtil.java:167)
at
org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:106)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at
org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118)
at
org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

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Re: StringIndexOutOfBoundsException in JPatternDictionary [message #790461 is a reply to message #790221]

Sat, 04 February 2012 09:18

Ed Merks

Messages: 33142
Registered: July 2009

Senior Member

<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
Roy, 
 
I've not see that.  I wonder what's in the string?  Probably I
should change the guard like this so no matter what, it's
impossible to get an exception fetching the substring: 
 
      if (endIndex > 0 && endIndex <
contents.length()) 
      { 
        contents = contents.substring(0, endIndex); 
      } 
 
Feel free to open a bugzilla. 
 
 
On 04/02/2012 1:20 AM, Roy Benjamin wrote:
<blockquote cite="mid:jghtkl$c3n$1@news.eclipse.org" type="cite">I
see this exception frequently while developing templates.  It is
triggered by errors in the template.  The trouble is when this
exception happens you get little/no output to the target file.  So
the exception makes it even harder to develop and debug templates.
 
 
Not sure if others see this too.
 
 
Sorry if this is the wrong group
 
 
Thanks
 
Roy
 
 
 
 
java.lang.StringIndexOutOfBoundsException
 
    at java.lang.String.substring(String.java:1092)
 
    at
org.eclipse.emf.codegen.merge.java.JPatternDictionary.visit(JPatternDictionary.java:353) 
    at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.dispatch(FacadeVisitor.java:90) 
    at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.visit(FacadeVisitor.java:38) 
    at
org.eclipse.emf.codegen.merge.java.facade.FacadeVisitor.start(FacadeVisitor.java:27) 
    at
org.eclipse.emf.codegen.merge.java.JPatternDictionary.<init>(JPatternDictionary.java:76) 
    at
org.eclipse.emf.codegen.merge.java.JMerger.setTargetCompilationUnit(JMerger.java:413) 
    at
org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapter.generateJava(AbstractGeneratorAdapter.java:1022) 
    at
com.ebay.eclipse.emf.generator.dal.GenClassDalGeneratorAdapter.generateModel(GenClassDalGeneratorAdapter.java:115) 
    at
org.eclipse.emf.codegen.ecore.genmodel.generator.GenBaseGeneratorAdapter.doGenerate(GenBaseGeneratorAdapter.java:221) 
    at
org.eclipse.emf.codegen.ecore.generator.AbstractGeneratorAdapter.generate(AbstractGeneratorAdapter.java:290) 
    at
org.eclipse.emf.codegen.ecore.generator.Generator.generate(Generator.java:617) 
    at
org.eclipse.emf.codegen.ecore.genmodel.presentation.GeneratorUIUtil$GeneratorOperation.execute(GeneratorUIUtil.java:167) 
    at
org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:106) 
    at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
 
    at
org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118) 
    at
org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121) 
</blockquote>
</body>
</html>

Ed Merks
Professional Support: https://www.macromodeling.com/

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