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From "Eddie Epstein (JIRA)" <...@uima.apache.org>
Subject [jira] [Closed] (UIMA-5988) UIMA-DUCC: JD fails due to not finding Workitem type in the CAS
Date Sun, 17 Feb 2019 20:23:00 GMT

     [ https://issues.apache.org/jira/browse/UIMA-5988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eddie Epstein closed UIMA-5988.
    Resolution: Fixed

It was a mistake to throw an exception when workitem not in typesystem.  Ignoring that situation
as it was previously with JCas.

> UIMA-DUCC: JD fails due to not finding Workitem type in the CAS
> ---------------------------------------------------------------
>                 Key: UIMA-5988
>                 URL: https://issues.apache.org/jira/browse/UIMA-5988
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>            Priority: Major
>             Fix For: 3.0.0-Ducc
> The JD throws the following exception:
> Feb 14, 2019 9:51:02 AM org.apache.uima.ducc.test.randomsleep.FixedSleepCR getNext(328)
>  INFO: getNext
>  org.apache.uima.analysis_engine.AnalysisEngineProcessException: Annotator class org.apache.uima.ducc.CasHelper
requires Type org.apache.uima.ducc.Workitem, which was not found in the CAS.
>  at org.apache.uima.ducc.CasHelper.getId(CasHelper.java:47)
>  at org.apache.uima.ducc.user.jd.JdUserCollectionReader._getJdUserMetaCas(JdUserCollectionReader.java:169)
>  at org.apache.uima.ducc.user.jd.JdUserCollectionReader.getJdUserMetaCas(JdUserCollectionReader.java:147)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:90)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
>  at java.lang.reflect.Method.invoke(Method.java:508)
>  at org.apache.uima.ducc.container.common.classloader.ContextSwitch.call(ContextSwitch.java:42)
>  at org.apache.uima.ducc.container.jd.classload.ProxyJobDriverCollectionReader.getMetaCas(ProxyJobDriverCollectionReader.java:171)
>  at org.apache.uima.ducc.container.jd.cas.CasManager.getMetaCas(CasManager.java:74)
> To make things worse the above exception is ignored by JD code and the job continues
until completion giving a false sense of positive completion. The Duccmon shows no errors.
> Two fixes are needed:
> 1) Address the missing Workitem type in the cas
> 2) Improve error handling to detect an exception and cancel a job
> The above error is caused by a recent change in CasHelper.java. Ducc examples have not
been updated to define Workitem type in descriptors. Also the getId() method does not throw
Exception leaving JD oblivious to an error which may happen there.

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