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Out Of Memory Error [message #1739481]

Tue, 02 August 2016 06:02

Eclipse User

I keep on getting an out of memory error whenever I run Generate Xtext Artifacts. But I have no idea how to debug it.

This is the stack trace.

Code: [Select all] [Show/ hide]

0    [main] INFO  lipse.emf.mwe.utils.StandaloneSetup  - Registering platform uri 'D:\03_Work\03_ProSeCo\ProSeCo\99_dev'
1159 [main] INFO  lipse.emf.mwe.utils.StandaloneSetup  - Adding generated EPackage 'org.eclipse.xtext.xbase.XbasePackage'
1335 [main] INFO  clipse.emf.mwe.utils.GenModelHelper  - Registered GenModel 'http://www.eclipse.org/Xtext/Xbase/XAnnotations' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1338 [main] INFO  clipse.emf.mwe.utils.GenModelHelper  - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xtype' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1346 [main] INFO  clipse.emf.mwe.utils.GenModelHelper  - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xbase' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1346 [main] INFO  clipse.emf.mwe.utils.GenModelHelper  - Registered GenModel 'http://www.eclipse.org/xtext/common/JavaVMTypes' from 'platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel'
5640 [main] INFO  lipse.emf.mwe.utils.StandaloneSetup  - Adding generated EPackage 'org.eclipse.xtext.common.types.TypesPackage'
9261 [main] INFO  ipse.emf.mwe.utils.DirectoryCleaner  - Cleaning D:\03_Work\03_ProSeCo\ProSeCo\99_dev\xtext\..\xtext\src-gen
266271 [main] ERROR mf.mwe2.launch.runtime.Mwe2Launcher  - Problems running workflow org.GenerateArch: 
[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 org.eclipse.emf.common.util.WrappedException: java.lang.reflect.InvocationTargetException
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:190)
	at org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment.generate(XtextAntlrGeneratorFragment.java:48)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:600)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:178)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:180)
	... 15 more
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.util.HashMap.createEntry(Unknown Source)
	at java.util.HashMap.addEntry(Unknown Source)
	at java.util.HashMap.put(Unknown Source)
	at java.util.HashSet.add(Unknown Source)
	at org.antlr.misc.OrderedHashSet.add(OrderedHashSet.java:63)
	at org.antlr.analysis.DFAState.addNFAConfiguration(DFAState.java:226)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:633)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:692)

java.lang.RuntimeException: Problems running workflow org.GenerateArch: 
[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 org.eclipse.emf.common.util.WrappedException: java.lang.reflect.InvocationTargetException
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:190)
	at org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment.generate(XtextAntlrGeneratorFragment.java:48)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:600)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:178)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:180)
	... 15 more
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.util.HashMap.createEntry(Unknown Source)
	at java.util.HashMap.addEntry(Unknown Source)
	at java.util.HashMap.put(Unknown Source)
	at java.util.HashSet.add(Unknown Source)
	at org.antlr.misc.OrderedHashSet.add(OrderedHashSet.java:63)
	at org.antlr.analysis.DFAState.addNFAConfiguration(DFAState.java:226)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:633)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:692)

	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:104)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)
Caused by: java.lang.RuntimeException: 
[ERROR]: GeneratorException: (Element: -UNKNOWN-; Reported by: Generator)
	 org.eclipse.emf.common.util.WrappedException: java.lang.reflect.InvocationTargetException
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:190)
	at org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment.generate(XtextAntlrGeneratorFragment.java:48)
	at org.eclipse.xtext.generator.DefaultGeneratorFragment.generate(DefaultGeneratorFragment.java:167)
	at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:163)
	at org.eclipse.xtext.generator.Generator.generate(Generator.java:600)
	at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:178)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:62)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:78)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:36)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.xtext.generator.parser.antlr.AntlrToolFacade.runWithEncodingAndParams(AntlrToolFacade.java:180)
	... 15 more
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.util.HashMap.createEntry(Unknown Source)
	at java.util.HashMap.addEntry(Unknown Source)
	at java.util.HashMap.put(Unknown Source)
	at java.util.HashSet.add(Unknown Source)
	at org.antlr.misc.OrderedHashSet.add(OrderedHashSet.java:63)
	at org.antlr.analysis.DFAState.addNFAConfiguration(DFAState.java:226)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:633)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:765)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:756)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:683)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:709)
	at org.antlr.analysis.NFAToDFAConverter.closure(NFAToDFAConverter.java:692)

	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.handleIssues(Mwe2Bridge.java:56)
	at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:48)
	at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201)
	at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:35)
	at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19)
	at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:102)
	... 4 more

I am using an imported xcore model, my xtext version is 2.9.1.v201512180746.
I have tried running the Generate Xtext Artifacts with jvm argument -Xmx1024m but the problem still persists. Can someone point me in the right direction?

Re: Out Of Memory Error [message #1739482 is a reply to message #1739481]

Tue, 02 August 2016 06:17

Eclipse User

This happens during the generation of the ANTLR parser. Depending on your grammar it can be that the process takes more memory than 1G.
Do you have backtracking on?
Does it still happen for 2G heap?

You could try

Code: [Select all] [Show/ hide]

parserGenerator = {
    antlrParam = "-Xconversiontimeout"
    antlrParam = "5000"
    options = {
        memoize = true
    }

(https://www.eclipse.org/forums/index.php/t/1075565/)

Re: Out Of Memory Error [message #1739486 is a reply to message #1739482]

Tue, 02 August 2016 06:44

Eclipse User

Hi,

Yes, I have backtrack set to true.
This is my current ANTLR settings:

Code: [Select all] [Show/ hide]

                fragment = parser.antlr.XtextAntlrGeneratorFragment auto-inject {
                  options = {
                      	backtrack = true
                      	memoize = true
                        classSplitting=true
                        fieldsPerClass = "1200" 
                        methodsPerClass = "1200"
                  }
                  antlrParam = "-Xconversiontimeout"
                  antlrParam = "5000"
                }

Setting backtrack to false, gives me the same error.

Unfortunately, I don't have 2g memory. I get the error "Error occurred during initialization of VM
Could not reserve enough space for object heap"

What grammar configurations should I avoid to prevent the ANTLR from consuming too much memory?

[Updated on: Tue, 02 August 2016 06:52] by Moderator

Re: Out Of Memory Error [message #1739509 is a reply to message #1739486]

Tue, 02 August 2016 10:32

Eclipse User

Please disable backtracking. Backtracking is evil =:-)

This will require some refactorings (you will have your reason why you finally enabled backtracking), but the result is unpredictable. On first sight it might solve your problems with ambiguity, but at the end it just hides even worse problems.

Use syntactic predicates to resolve ambiguities in your grammar.

(which computer in 2016 has not 2G of RAM available if necessary)?

Re: Out Of Memory Error [message #1739568 is a reply to message #1739509]

Tue, 02 August 2016 23:17

Eclipse User

The reason I enable backtracking because I added a terminal for all the reserved keywords.

Code: [Select all] [Show/ hide]

Model:
  residents += Data *
;

Data:
  'first' 'name' fName=CONSTANTS 'address' add=CONSTANTS 'status' stat=CONSTANTS
;

terminal CONSTANTS:
ID | 'name' | 'address' | 'status';

If I don't define the CONSTANTS, users cannot input the string 'name', 'address' or 'status'. But adding this, gives me this warning:
"Decision can match input such as "'name'" using multiple alternatives: 3, 5
As a result, alternative(s) 5 were disabled for that input"

How to know which multiple alternatives that ANTLR is referring to? It says 3 and 5. Where can I find this information?

Re: Out Of Memory Error [message #1739574 is a reply to message #1739568]

Wed, 03 August 2016 01:58

Eclipse User

simply use a datattype rule, not a terminal

Code: [Select all] [Show/ hide]

Model:
  residents += Data *
;

Data:
  'first' 'name' fName=CONSTANTS 'address' add=CONSTANTS 'status' stat=CONSTANTS
;

CONSTANTS:
ID | 'name' | 'address' | 'status';

Re: Out Of Memory Error [message #1739578 is a reply to message #1739574]

Wed, 03 August 2016 02:36

Eclipse User

Hi Christian,
Using a datatype rule still create the ambiguity warning. How does backtracking work in this case? Does it still use the ID or the alternatives (e.g. 'name', 'status', 'address')?

Re: Out Of Memory Error [message #1739580 is a reply to message #1739578]

Wed, 03 August 2016 02:44

Eclipse User

please share a complete grammar that reproduces this. yours does not.

Re: Out Of Memory Error [message #1739862 is a reply to message #1739580]

Fri, 05 August 2016 02:54

Eclipse User

Hi, It turns out that the ambiguity is caused by a grammar. And I was able to fix it. Many thanks!

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