[UIMA-6310] JCasClassLoaderTest sometimes fails - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 2.10.4SDK
Fix Version/s: 2.11.0SDK, 3.2.0SDK
Component/s: Core Java Framework
Labels:
None

Description

The JCasClassLoaderTest.thatCASCanBeDefinedWithoutJCasWrappersAndTheyComeInWithAnnotatorsViaClasspath test fails at times. It seems to happen regularly when the builds run on a Jenkins Windows node. I have not been able to reproduce the issue on OS X. There are rumours about a potentially related issue sometimes happening on with UIMAv2 on Linux (i.e. a PEAR provides a JCas wrapper but when the PEAR tries to access FSes of that type, it instead gets Annotation_Impl because the JCas wrapper is not known at the pipeline level...).

Error
The following assertion failed:
1) [AddTokenAnnotator and FetchTokenAnnotator use different Token wrappers] 
Expecting:
 <org.apache.uima.cas.test.Token>
not to be equal to:
 <org.apache.uima.cas.test.Token>
at JCasClassLoaderTest.thatCASCanBeDefinedWithoutJCasWrappersAndTheyComeInWithAnnotatorsViaClasspath(JCasClassLoaderTest.java:148)
Stacktrace
org.assertj.core.api.SoftAssertionError: 
The following assertion failed:
1) [AddTokenAnnotator and FetchTokenAnnotator use different Token wrappers] 
Expecting:
 <org.apache.uima.cas.test.Token>
not to be equal to:
 <org.apache.uima.cas.test.Token>
at JCasClassLoaderTest.thatCASCanBeDefinedWithoutJCasWrappersAndTheyComeInWithAnnotatorsViaClasspath(JCasClassLoaderTest.java:148)
	at org.apache.uima.cas.test.JCasClassLoaderTest.thatCASCanBeDefinedWithoutJCasWrappersAndTheyComeInWithAnnotatorsViaClasspath(JCasClassLoaderTest.java:155)
Standard Output
[JCas creation] org.apache.uima.cas.test.Token NOT AVAILABLE 
[AE creation: AddATokenAnnotator] org.apache.uima.cas.test.Token 2107109044 
[AE creation: FetchTheTokenAnnotator] org.apache.uima.cas.test.Token 2107109044 
org.apache.uima.cas.test.JCasClassLoaderTest$AddATokenAnnotator class loader: jdk.internal.loader.ClassLoaders$AppClassLoader@2aae9190
[AE runtime: org.apache.uima.cas.test.JCasClassLoaderTest$AddATokenAnnotator] org.apache.uima.cas.test.Token 2107109044 
org.apache.uima.cas.test.JCasClassLoaderTest$FetchTheTokenAnnotator class loader: jdk.internal.loader.ClassLoaders$AppClassLoader@2aae9190
[AE runtime: org.apache.uima.cas.test.JCasClassLoaderTest$FetchTheTokenAnnotator] org.apache.uima.cas.test.Token 2107109044 
[AE runtime CAS: org.apache.uima.cas.test.JCasClassLoaderTest$FetchTheTokenAnnotator] org.apache.uima.cas.test.Token 2107109044