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https://issues.apache.org/jira/browse/UIMA-5554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159936#comment-16159936
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Marshall Schor commented on UIMA-5554:
--------------------------------------
The reference to *Heading.type* etc causes the JCas type "Heading" to be loaded
and initialized.
I think in this instance there's no current workaround other than to rearrange
the order of setup, so that the type sytem is loaded/committed before you
reference things like this.
If anyone has a good suggestion on fixes for this, please speak up. The main
trade off here is in better performance (due to these fields being static final
values).
> Strange exception when trying to get JCas FS class through reflection
> ---------------------------------------------------------------------
>
> Key: UIMA-5554
> URL: https://issues.apache.org/jira/browse/UIMA-5554
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Affects Versions: 3.0.0SDK-beta
> Reporter: Richard Eckart de Castilho
>
> I am trying to get a class object for a JCas FS type using reflection:
> {noformat}
> Class.forName(typeName);
> {noformat}
> However, it produces this strange error.
> {noformat}
> java.lang.ExceptionInInitializerError
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:264)
> ...
> Caused by: org.apache.uima.cas.CASRuntimeException: A JCas class field "sofa"
> is being initialized by non-framework (user) code before Type System Commit
> for a type system with a corresponding type. Either change the user load code
> to not do initialize, or to defer it until after the type system commit.
> at
> org.apache.uima.cas.impl.TypeSystemImpl.getAdjustedFeatureOffset(TypeSystemImpl.java:2575)
> at
> org.apache.uima.jcas.cas.AnnotationBase.<clinit>(AnnotationBase.java:71)
> ... 27 more
> {noformat}
> Is it considered harmful to try getting a class object for a JCas FS class?
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