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https://issues.apache.org/jira/browse/UIMA-6195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17063362#comment-17063362
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Peter Klügl commented on UIMA-6195:
-----------------------------------
Yes, this is most likely already fixed in the current trunk/snapshot. I will
add a test and reproduce it just to be sure. Then, I will prepare a bugfix
release, but no promises when exactly (in these corona times).
> RutaLiteralMatcher throws NPE
> ------------------------------
>
> Key: UIMA-6195
> URL: https://issues.apache.org/jira/browse/UIMA-6195
> Project: UIMA
> Issue Type: Bug
> Components: Ruta
> Affects Versions: 3.0.0ruta
> Reporter: Dominic Jehle
> Assignee: Peter Klügl
> Priority: Critical
> Attachments: 1_Debug_View.JPG, 2_Debug_View_Types.JPG
>
>
> *Problem*
> During update to ruta 3.0.0. from 2.6.1, one of my rules started to throw an
> NPE at execution in RutaLiteralMatcher.
> *Example*
> It's a very simple rule with a literal upper case "I" followed by a previous
> match (in this case underscores):
> {code:java}
> "____+" -> SIMPLEFORMATTING;
> "I" SIMPLEFORMATTING "I"? { -> MARKONCE(FORMATTING,1,2)};
> {code}
> When run on input like
> {code:java}
> "PI_____I How to test it?"{code}
> it crashes with NPE. Input like
> {code:java}
> "P I_____I How to test it?"{code}
> is fine.
> Here's the stack:
> {code:java}
> org.apache.uima.analysis_engine.AnalysisEngineProcessException: Annotator
> processing failed.
> org.apache.uima.analysis_engine.AnalysisEngineProcessException: Annotator
> processing failed. at
> org.apache.uima.ruta.engine.RutaEngine.process(RutaEngine.java:614) at
> org.apache.uima.analysis_component.JCasAnnotator_ImplBase.process(JCasAnnotator_ImplBase.java:48)
> at
> org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.lambda$callProcessMethod$3(AnalysisEngineImplBase.java:626)
> at
> org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.withContexts(AnalysisEngineImplBase.java:653)
> at
> org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.callProcessMethod(AnalysisEngineImplBase.java:623)
> at
> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.callAnalysisComponentProcess(PrimitiveAnalysisEngine_impl.java:381)
> at
> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.processAndOutputNewCASes(PrimitiveAnalysisEngine_impl.java:299)
> at
> org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.process(AnalysisEngineImplBase.java:272)
> at
> org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.process(AnalysisEngineImplBase.java:287)
> at
> com.myorg.uima.ruta.recognizer.RecognizerFormattingFactoryTest.run(RecognizerFormattingFactoryTest.java:208)
> at
> com.myorg.uima.ruta.recognizer.RecognizerFormattingFactoryTest.testFormattingRutaUpdateBug2020(RecognizerFormattingFactoryTest.java:191)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at
> org.junit.runners.ParentRunner.run(ParentRunner.java:363) at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)Caused
> by: java.lang.NullPointerException at
> org.apache.uima.ruta.rule.RutaLiteralMatcher.getAnnotation(RutaLiteralMatcher.java:72)
> at
> org.apache.uima.ruta.rule.RutaLiteralMatcher.getMatchingAnnotations(RutaLiteralMatcher.java:62)
> at
> org.apache.uima.ruta.rule.RutaLiteralMatcher.getMatchingAnnotations(RutaLiteralMatcher.java:37)
> at
> org.apache.uima.ruta.rule.RutaRuleElement.getAnchors(RutaRuleElement.java:52)
> at
> org.apache.uima.ruta.rule.RutaRuleElement.startMatch(RutaRuleElement.java:60)
> at
> org.apache.uima.ruta.rule.ComposedRuleElement.startMatch(ComposedRuleElement.java:77)
> at org.apache.uima.ruta.rule.RutaRule.apply(RutaRule.java:65) at
> org.apache.uima.ruta.rule.RutaRule.apply(RutaRule.java:56) at
> org.apache.uima.ruta.rule.RutaRule.apply(RutaRule.java:38) at
> org.apache.uima.ruta.block.RutaScriptBlock.apply(RutaScriptBlock.java:72) at
> org.apache.uima.ruta.RutaModule.apply(RutaModule.java:56) at
> org.apache.uima.ruta.engine.RutaEngine.process(RutaEngine.java:612) ... 33
> more
> {code}
> I looked just a little at debugging RutaLiteralMatcher.java and it crashes in
> L71 at retrieving the beginAnchor.
> {code:java}
> RutaBasic beginAnchor = stream.getBeginAnchor(begin);{code}
> The begin that it is looking for is 1, but it's covered by
> "CAP:3"/"RutaBasic:21" from 0 to 2 (cf. screen captures).
> This did not occur with ruta 2.6.1.
>
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