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From Matthias Eckert <matthias.eck...@uni-jena.de>
Subject CPE: classloader exc. b/c of 2 ident. loggers
Date Fri, 21 Sep 2012 13:36:03 GMT
Hello,
I'm trying to run a CPE of an AAE that consists of an Annotator Project 
(embedded as jar) and an installed Annotator-Pear. All dependencies are 
defined in maven. Both Annotators use the same version of the 
slf4j-logger-api thus the slf4j-api-1.6.4.jar is provided in both 
lib-folders.
When I try to run this CPE with the runCPE.sh-Script the attached 
exception appears. It seems like the Class-Loader has problems with the 
two identic slf4j's.

This could be avoided by deleting the slf4j in the pears lib-folder I 
think. But that wouldn't be an ideal solution.

Is there any other way - without deleting anything - to solve this? 
Maybe manipulate the class loader?!

Thanks in advance for any help! :)

Regards,
Matthias

----------------------------------------------------------------------

Parsing CPE Descriptor
Instantiating CPE
#logback.classic pattern: %d{HH:mm:ss.SSS} [%thread] %-5level 
%logger{36} - %msg%n
16:12:01.365 [main] INFO  d.j.jules.ae.SentenceAnnotator - [JSBD] 
initializing...
16:12:01.375 [main] INFO  d.j.jules.ae.SentenceAnnotator - initialize() 
- processing scope set to: document text
Exception in thread "main" java.lang.reflect.InvocationTargetException
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:601)
     at org.apache.uima.bootstrap.UimaBootstrap.main(UimaBootstrap.java:98)
Caused by: org.apache.uima.resource.ResourceInitializationException: 
Initialization of CAS Processor with name "TestAAE3" failed.
     at 
org.apache.uima.collection.impl.CollectionProcessingEngine_impl.initialize(CollectionProcessingEngine_impl.java:83)
     at 
org.apache.uima.impl.UIMAFramework_impl._produceCollectionProcessingEngine(UIMAFramework_impl.java:420)
     at 
org.apache.uima.UIMAFramework.produceCollectionProcessingEngine(UIMAFramework.java:864)
     at 
org.apache.uima.examples.cpe.SimpleRunCPE.<init>(SimpleRunCPE.java:78)
     at 
org.apache.uima.examples.cpe.SimpleRunCPE.main(SimpleRunCPE.java:114)
     ... 5 more
Caused by: org.apache.uima.resource.ResourceConfigurationException: 
Initialization of CAS Processor with name "TestAAE3" failed.
     at 
org.apache.uima.collection.impl.cpm.container.CPEFactory.produceIntegratedCasProcessor(CPEFactory.java:1104)
     at 
org.apache.uima.collection.impl.cpm.container.CPEFactory.getCasProcessors(CPEFactory.java:550)
     at 
org.apache.uima.collection.impl.cpm.BaseCPMImpl.init(BaseCPMImpl.java:253)
     at 
org.apache.uima.collection.impl.cpm.BaseCPMImpl.<init>(BaseCPMImpl.java:127)
     at 
org.apache.uima.collection.impl.CollectionProcessingEngine_impl.initialize(CollectionProcessingEngine_impl.java:75)
     ... 9 more
Caused by: org.apache.uima.resource.ResourceInitializationException: 
Error initializing 
"org.apache.uima.analysis_engine.impl.PearAnalysisEngineWrapper" from 
descriptor 
file:/home/matthias/workspace_jl/0other/project-packer/svn_projects/jules-token-ae/target/pear-test-installation/jules-token-ae/jules-token-ae_pear.xml.
     at 
org.apache.uima.util.SimpleResourceFactory.produceResource(SimpleResourceFactory.java:144)
     at 
org.apache.uima.impl.CompositeResourceFactory_impl.produceResource(CompositeResourceFactory_impl.java:62)
     at 
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:269)
     at 
org.apache.uima.UIMAFramework.produceAnalysisEngine(UIMAFramework.java:387)
     at 
org.apache.uima.analysis_engine.asb.impl.ASB_impl.setup(ASB_impl.java:254)
     at 
org.apache.uima.analysis_engine.impl.AggregateAnalysisEngine_impl.initASB(AggregateAnalysisEngine_impl.java:431)
     at 
org.apache.uima.analysis_engine.impl.AggregateAnalysisEngine_impl.initializeAggregateAnalysisEngine(AggregateAnalysisEngine_impl.java:375)
     at 
org.apache.uima.analysis_engine.impl.AggregateAnalysisEngine_impl.initialize(AggregateAnalysisEngine_impl.java:185)
     at 
org.apache.uima.impl.AnalysisEngineFactory_impl.produceResource(AnalysisEngineFactory_impl.java:94)
     at 
org.apache.uima.impl.CompositeResourceFactory_impl.produceResource(CompositeResourceFactory_impl.java:62)
     at 
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:269)
     at 
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:314)
     at 
org.apache.uima.UIMAFramework.produceAnalysisEngine(UIMAFramework.java:425)
     at 
org.apache.uima.collection.impl.cpm.container.CPEFactory.produceIntegratedCasProcessor(CPEFactory.java:1088)
     ... 13 more
Caused by: java.lang.LinkageError: loader constraint violation: when 
resolving method 
"org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" 
the class loader (instance of 
org/apache/uima/internal/util/UIMAClassLoader) of the current class, 
org/slf4j/LoggerFactory, and the class loader (instance of 
sun/misc/Launcher$AppClassLoader) for resolved class, 
org/slf4j/impl/StaticLoggerBinder, have different Class objects for the 
type LoggerFactory; used in the signature
     at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:284)
     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:252)
     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:265)
     at de.julielab.jules.ae.TokenAnnotator.<clinit>(TokenAnnotator.java:48)
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
     at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
     at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
     at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
     at java.lang.Class.newInstance0(Class.java:372)
     at java.lang.Class.newInstance(Class.java:325)
     at 
org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initializeAnalysisComponent(PrimitiveAnalysisEngine_impl.java:227)
     at 
org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initialize(PrimitiveAnalysisEngine_impl.java:156)
     at 
org.apache.uima.impl.AnalysisEngineFactory_impl.produceResource(AnalysisEngineFactory_impl.java:94)
     at 
org.apache.uima.impl.CompositeResourceFactory_impl.produceResource(CompositeResourceFactory_impl.java:62)
     at 
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:269)
     at 
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:314)
     at 
org.apache.uima.UIMAFramework.produceAnalysisEngine(UIMAFramework.java:425)
     at 
org.apache.uima.analysis_engine.impl.PearAnalysisEngineWrapper.initialize(PearAnalysisEngineWrapper.java:269)
     at 
org.apache.uima.util.SimpleResourceFactory.produceResource(SimpleResourceFactory.java:123)
     ... 26 more


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