The errores related are very random. I found a patron of error ( don't know if it's the only one): The caspool of the first casmultipler have size of 8, if i send a request to the aggregate in which the first casmultipler have to generate more than 8 child cas, i get random errors, the childs cas generated after the number 8, sometimes is empty, sometimes have less annotations than it should have (I see this with a own XCasSerializer annotator) or get nullPointerException. I don't know why can happen, because in the method "process()" of the second casmultipler i release the incoming cas (aJCas.release();) directly in my source code, for that the caspool of the first casmultipler will not empty. There is something taht i am not doing well?
I don't have idea what may be going on?, i will appreciate the help 2016-11-24 19:24 GMT-05:00, nelson rivera <[email protected]>: > I continued investigating and according to the stacktrace and source > code of of FSIndexRepositoryImpl.ll_addFS_common() the exception is > from line 2805 , in this part > > final ArrayList<IndexIteratorCachePair<? extends FeatureStructure>> > indexes = this.indexArray[typeCode]; > // Add fsRef to all indexes. > boolean noIndexOrOnlySetindexes = true; > for (IndexIteratorCachePair<? extends FeatureStructure> iicp : > indexes) {} //here > > apparently loop on a null value, any idea of why can happen this exception? > > 2016-11-24 16:27 GMT-05:00, nelson rivera <[email protected]>: >> the error continue ocurring , this is the log, my casmultiplier is >> FileSystemMultiplerCas >> >> 04:04:17.520 - 23: >> cu.datys.xinetica.uima.core.FileSystemMultiplerCas.next(334): INFO: >> Adicionando annotation tipo cu.datys.xinetica.uima.ContinueOnFailure >> 04:04:17.522 - 23: org.apache.uima.util.CasPool.releaseCas: WARNING: >> The system tried to return a common analysis structure to the pool >> from which it was not checked out. >> 04:04:17.523 - 23: >> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.callAnalysisComponentNext(549): >> SEVERE: Exception occurred >> org.apache.uima.analysis_engine.AnalysisEngineProcessException >> at >> cu.datys.xinetica.uima.core.FileSystemMultiplerCas.next(FileSystemMultiplerCas.java:351) >> at >> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.callAnalysisComponentNext(PrimitiveAnalysisEngine_impl.java:526) >> at >> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl$AnalysisComponentCasIterator.next(PrimitiveAnalysisEngine_impl.java:647) >> at >> org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl.process(PrimitiveAnalysisEngineController_impl.java:860) >> at >> org.apache.uima.aae.handler.HandlerBase.invokeProcess(HandlerBase.java:121) >> at >> org.apache.uima.aae.handler.input.ProcessRequestHandler_impl.handleProcessRequestWithCASReference(ProcessRequestHandler_impl.java:795) >> at >> org.apache.uima.aae.handler.input.ProcessRequestHandler_impl.handle(ProcessRequestHandler_impl.java:1055) >> at >> org.apache.uima.aae.spi.transport.vm.UimaVmMessageListener.onMessage(UimaVmMessageListener.java:107) >> at >> org.apache.uima.aae.spi.transport.vm.UimaVmMessageDispatcher$1.run(UimaVmMessageDispatcher.java:70) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at >> org.apache.uima.aae.UimaAsThreadFactory$1.run(UimaAsThreadFactory.java:132) >> at java.lang.Thread.run(Thread.java:745) >> Caused by: java.lang.NullPointerException >> at >> org.apache.uima.cas.impl.FSIndexRepositoryImpl.ll_addFS_common(FSIndexRepositoryImpl.java:2805) >> at >> org.apache.uima.cas.impl.FSIndexRepositoryImpl.ll_addFS(FSIndexRepositoryImpl.java:2763) >> at >> org.apache.uima.cas.impl.FSIndexRepositoryImpl.addFS(FSIndexRepositoryImpl.java:2068) >> at >> org.apache.uima.cas.impl.FSIndexRepositoryImpl.addFS(FSIndexRepositoryImpl.java:2674) >> at org.apache.uima.cas.impl.CASImpl.addFsToIndexes(CASImpl.java:5023) >> at org.apache.uima.jcas.impl.JCasImpl.addFsToIndexes(JCasImpl.java:1525) >> at >> cu.datys.xinetica.uima.core.FileSystemMultiplerCas.next(FileSystemMultiplerCas.java:337) >> >> >> 2016-11-23 16:14 GMT-05:00, nelson rivera <[email protected]>: >>> I have a aggregate service that contains in the flow in this order : 1 >>> casmultiplier, then 2 primitive annotators and at the end other >>> casmultiplier. >>> The first casmultiplier receive a annotation with the path of a folder >>> and creates a new child cas for each file in the folder, the child cas >>> continue the flow in the other primitive annotators and at the end it >>> go to the second casmultipler, in the second casmultipler can or not >>> create new child cas, in the case of not, in the method process() i >>> release de cas (aJCas.release();) directly in my source code. >>> >>> This aggregate service is deploys in uima-as and configure for >>> processing only one request at the same time <casPool >>> numberOfCASes="1"/>. For any reason, sometimes and of aleatorie way , >>> making many requests to the service from many thread concurrent, in >>> the first casmultiplier in method next() after get the new cas (JCas >>> jcas = getEmptyJCas()) and while populate the cas , apparently some >>> external component in another parallel thread modifys this obtained >>> cas, and i get a NullPointerException adding a annotation >>> (jcas.addFsToIndexes(copyOfFs);) in method next(). >>> >>> Any idea of what may be going on? >>> >>> this is the descriptor uima-as: >>> >>> >>> <?xml version="1.0" encoding="UTF-8"?> >>> <analysisEngineDeploymentDescription >>> xmlns="http://uima.apache.org/resourceSpecifier";> >>> >>> <name>XPlagiarismCheckerAggregateAE Deploy Descriptor</name> >>> <description>Deploys XPlagiarismCheckerAggregateAE</description> >>> >>> <deployment protocol="jms" provider="activemq"> >>> <service> >>> <inputQueue endpoint="XPlagiarismCheckerAggregate" >>> brokerURL="${defaultBrokerURL}"/> >>> <topDescriptor> >>> <import location="./XPlagiarismCheckerAggregate.xml"/> >>> </topDescriptor> >>> <analysisEngine inputQueueScaleout="2" >>> internalReplyQueueScaleout="3"> >>> <delegates> >>> <analysisEngine key="FileSystemMultiplerCas"> >>> <casMultiplier poolSize="6"/> >>> </analysisEngine> >>> <analysisEngine key="XFileFormatDetector"> >>> <scaleout numberOfInstances="2"/> >>> <asyncAggregateErrorConfiguration> >>> <processCasErrors maxRetries="0" >>> continueOnRetryFailure="true"/> >>> </asyncAggregateErrorConfiguration> >>> </analysisEngine> >>> <analysisEngine key="XDataFileExtractor"> >>> <scaleout numberOfInstances="2"/> >>> <asyncAggregateErrorConfiguration> >>> <processCasErrors maxRetries="0" >>> continueOnRetryFailure="true"/> >>> </asyncAggregateErrorConfiguration> >>> </analysisEngine> >>> <analysisEngine key="XTokenizer"> >>> <scaleout numberOfInstances="2"/> >>> <asyncAggregateErrorConfiguration> >>> <processCasErrors maxRetries="0" >>> continueOnRetryFailure="true"/> >>> </asyncAggregateErrorConfiguration> >>> </analysisEngine> >>> <analysisEngine key="MergerBasePairCasMultipler"> >>> <casMultiplier poolSize="2"/> >>> </analysisEngine> >>> <analysisEngine key="XPlagiarismChecker"> >>> <scaleout numberOfInstances="2"/> >>> <asyncAggregateErrorConfiguration> >>> <processCasErrors maxRetries="0" >>> continueOnRetryFailure="true"/> >>> </asyncAggregateErrorConfiguration> >>> </analysisEngine> >>> </delegates> >>> </analysisEngine> >>> </service> >>> </deployment> >>> </analysisEngineDeploymentDescription> >>> >> >
