Hi,
I wonder if this is just a reversed set of parameters.
You write below ...
CasCopier.copyCas(aJCas.getCas(), jcas.getCas(), true);
But the "source" to be copied should be the 1st parameter, and the 2nd is the
"destination".
So it looks like the first two arguments might be reversed?
-Marshall
On 6/3/2013 5:49 PM, Bojan Janisch wrote:
> Hi everyone,
>
> I'm a german student and currently working at my bachelor
> thesis. I'm new to this mailing list so I hope my question
> is suitable for you.
>
> I'm using Genetic Algorithms to create rules which processes /
> annotates the JCases. After that, the results are evaluated and
> a F-Score is returned which flows into the fitness function of
> the genetic algorithm. So I'm only using the JCases for
> evaluation and don't need to write them back.
>
> I already tried the CasCopier.copyCas() method:
>
> public static JCas copyJCas(JCas aJCas) {
> JCas jcas = null;
> jcas = JCasFactory.createJCas(UIMATestUtils.readTypeSystem());
> CasCopier.copyCas(aJCas.getCas(), jcas.getCas(), true);
> return jcas;
> }
>
> but I'm getting these two exceptions with the following
> stacktraces:
>
> Exception in thread "ECJ Evaluation Thread 0"
> java.lang.ArrayIndexOutOfBoundsException: 1015
> at org.apache.uima.jcas.impl.JCasHashMap.put(JCasHashMap.java:139)
> at
> org.apache.uima.jcas.impl.JCasImpl.putJfsFromCaddr(JCasImpl.java:1035)
> at
> org.apache.uima.jcas.impl.JCasImpl$JCasFsGenerator.createFS(JCasImpl.java:847)
> at org.apache.uima.cas.impl.CASImpl.ll_getFSForRef(CASImpl.java:3117)
> at org.apache.uima.cas.impl.CASImpl.createFS(CASImpl.java:1773)
> at
> org.apache.uima.cas.impl.FeatureStructureImpl.getFeatureValue(FeatureStructureImpl.java:234)
> at org.apache.uima.util.CasCopier.copyFeatures(CasCopier.java:312)
> at org.apache.uima.util.CasCopier.copyFs(CasCopier.java:190)
> at org.apache.uima.util.CasCopier.copyCasView(CasCopier.java:149)
> at org.apache.uima.util.CasCopier.copyCas(CasCopier.java:108)
> at rulevolution.utils.JCasUtils.copyJCas(JCasUtils.java:80)
> at rulevolution.utils.JCasUtils.copyCasPool(JCasUtils.java:94)
> at rulevolution.RulEvolution.evaluate(RulEvolution.java:105)
> at ec.simple.SimpleEvaluator.evalPopChunk(SimpleEvaluator.java:259)
> at
> ec.simple.SimpleEvaluator$SimpleEvaluatorThreadCG.run(SimpleEvaluator.java:341)
> at ec.util.ThreadPool$PoolThread.run(ThreadPool.java:57)
>
> Exception in thread "ECJ Evaluation Thread 2"
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 1
> at java.util.ArrayList.rangeCheck(Unknown Source)
> at java.util.ArrayList.get(Unknown Source)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$LeafPointerIterator.initPointerIterator(FSIndexRepositoryImpl.java:628)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$LeafPointerIterator.<init>(FSIndexRepositoryImpl.java:636)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$LeafPointerIterator.<init>(FSIndexRepositoryImpl.java:612)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl.createPointerIterator(FSIndexRepositoryImpl.java:158)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$IndexImpl.iterator(FSIndexRepositoryImpl.java:792)
> at org.apache.uima.util.CasCopier.copyCasView(CasCopier.java:145)
> at org.apache.uima.util.CasCopier.copyCas(CasCopier.java:108)
> at rulevolution.utils.JCasUtils.copyJCas(JCasUtils.java:80)
> at rulevolution.utils.JCasUtils.copyCasPool(JCasUtils.java:94)
> at rulevolution.RulEvolution.evaluate(RulEvolution.java:105)
> at ec.simple.SimpleEvaluator.evalPopChunk(SimpleEvaluator.java:259)
> at
> ec.simple.SimpleEvaluator$SimpleEvaluatorThreadCG.run(SimpleEvaluator.java:341)
> at ec.util.ThreadPool$PoolThread.run(ThreadPool.java:57)
>
> My goal would be generating a JCas pool at beginning of the algorithm. Then
> cloning the entire
> jcas pool for each rule evaluation. After the rule is evaluated the cloned
> cas pool needs to be
> deleted.
>
> Does someone know why I'm getting these exceptions and are there some ways to
> work with JCas objects outside of UIMA Concext?
>
> Greetings
>
> Bojan
>
>
