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https://issues.apache.org/jira/browse/UIMA-1747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852496#action_12852496
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Greg Holmberg commented on UIMA-1747:
-------------------------------------
Hi Tommaso. Regarding what is the correct exception to throw, I looked at the
callers code (TIKAWrapper.populateCASfromURL), and it throws CASException, so
MarkupHandler.populateCAS could throw that also without any changes to
MarkupHandler.
I'm not sure what the consequences of changing the signature of this method is.
Is it a real, documented public contract, or is it merely a method marked
"public" and the only caller affected would be TIKAWrapper? If the latter,
then I wouldn't worry about keeping a stable signature.
If it would affect many callers other than TIKAWrapper, then throwing
RuntimeException or something derived from it makes sense.
> TikaAnnotator: null pointer exception in MarkupHandler.populateCAS
> ------------------------------------------------------------------
>
> Key: UIMA-1747
> URL: https://issues.apache.org/jira/browse/UIMA-1747
> Project: UIMA
> Issue Type: Bug
> Components: Sandbox-TikaAnnotator
> Affects Versions: 2.3
> Reporter: Greg Holmberg
> Priority: Blocker
> Attachments: UIMA-1747-patch.txt
>
>
> I get the following NPE.
> java.lang.NullPointerException
> at org.apache.uima.cas.impl.CASImpl.createFS(CASImpl.java:474)
> at
> org.apache.uima.tika.MarkupHandler.populateCAS(MarkupHandler.java:168)
> at
> org.apache.uima.tika.TIKAWrapper.populateCASfromURL(TIKAWrapper.java:105)
> at
> org.apache.uima.tika.FileSystemCollectionReader.getNext(FileSystemCollectionReader.java:99)
> at
> org.apache.uima.collection.impl.cpm.engine.ArtifactProducer.readNext(ArtifactProducer.java:494)
> at
> org.apache.uima.collection.impl.cpm.engine.ArtifactProducer.run(ArtifactProducer.java:711)
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