[ 
https://issues.apache.org/jira/browse/UIMA-5554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16159934#comment-16159934
 ] 

Marshall Schor commented on UIMA-5554:
--------------------------------------

hmmm, threaded jira comments seem to not be working?  anyway, this is a 
response to 
https://issues.apache.org/jira/browse/UIMA-5554?focusedCommentId=16159739&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16159739

The English of the message is misleading.  It is easy to misread ""A JCas 
*class* field "sofa" is being initialized..." as meaning a JCas *instance* 
field...   

I'll try and think of a better way to express this.  Maybe "A JCas class static 
field that is used to bridge to the UIMA <substitute-the-type name> for the 
feature "sofa" is being initialized..."

Basically, the JCas class for this particular UIMA Type has a bunch of "static" 
fields that provide a bridge between the Type's features and the JCas class; 
these data are set up as static final fields when the class is initialized.

> 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?



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

Reply via email to