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https://issues.apache.org/jira/browse/UIMA-6483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17649331#comment-17649331
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Richard Eckart de Castilho commented on UIMA-6483:
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Thanks for the report. I don't see the Ruta manual mentioning the simple
server. Could you please re-open the issue in the Ruta issue tracker on GitHub:
https://github.com/apache/uima-ruta
When you open the issue there, please include a minimal code example (best a
Maven project) that allows reproducing your issue.
Thanks again!
> UIMA SimpleServer is not compatible with the latest Ruta feature (relation
> annotation)
> --------------------------------------------------------------------------------------
>
> Key: UIMA-6483
> URL: https://issues.apache.org/jira/browse/UIMA-6483
> Project: UIMA
> Issue Type: Improvement
> Components: addons
> Affects Versions: 3.3.0ruta
> Environment: OS: Windows 10 Professional (version: 21H2)
> Eclipse: 2022-06 (4.24.0) (Build id: 20220609-1112)
> Java: Eclipse Adoptium jdk-17.0.1.12-hotspot
> Maven: Eclipse Embedded 3.8.4/1.18.3.20220227-1319
> Apache Tomcat: 6.0.37
> org.apache.uima.uimaj-core: 3.3.1
> org.apache.uima.SimpleServer: 2.3.1
> Reporter: Yue Yang
> Priority: Major
>
> SimpleServer does not recognize relation annotation as mentioned in [Apache
> UIMA Ruta™ Guide and
> Reference|[https://uima.apache.org/d/ruta-current/tools.ruta.book.html]]. It
> will throw error when recognizing any such annotation.
> {code:java}
> HTTP Status 500 - XML output failed
> type Exception report
> message XML output failed
> description The server encountered an internal error that prevented it from
> fulfilling this request.
> exception
> java.lang.RuntimeException: XML output failed
>
> org.apache.uima.simpleserver.output.ResultConverter.getXMLString(ResultConverter.java:88)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.transformResult(SimpleServerServlet.java:296)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.analyze(SimpleServerServlet.java:213)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.doPost(SimpleServerServlet.java:190)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
> root cause
> java.lang.NullPointerException: Cannot invoke
> "org.apache.uima.simpleserver.output.Result.getResultEntries()" because
> "result" is null
>
> org.apache.uima.simpleserver.output.ResultConverter.getXMLString(ResultConverter.java:60)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.transformResult(SimpleServerServlet.java:296)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.analyze(SimpleServerServlet.java:213)
>
> org.apache.uima.simpleserver.servlet.SimpleServerServlet.doPost(SimpleServerServlet.java:190)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:723) {code}
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