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https://issues.apache.org/jira/browse/KYLIN-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shaofeng SHI closed KYLIN-2074.
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> Error happens when click the "SQL" section of cube
> --------------------------------------------------
>
> Key: KYLIN-2074
> URL: https://issues.apache.org/jira/browse/KYLIN-2074
> Project: Kylin
> Issue Type: Bug
> Components: REST Service
> Affects Versions: v1.5.4.1
> Reporter: Shaofeng SHI
> Assignee: Shaofeng SHI
> Priority: Minor
> Fix For: v1.6.0
>
>
> Qiutongxin (qiutongxin at jd.com) from mailing list reported this bug: an
> error thrown when click the "SQL" tab of a cube, in kylin.log there is this
> NPE:
> {code}
> ERROR [http-bio-8070-exec-2] controller.BasicController:44 :
> java.lang.NullPointerException
> at
> org.apache.kylin.engine.EngineFactory.batchEngine(EngineFactory.java:44)
> at
> org.apache.kylin.engine.EngineFactory.getJoinedFlatTableDesc(EngineFactory.java:58)
> at
> org.apache.kylin.rest.controller.CubeController.getSql(CubeController.java:154)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> {code}
> Checking the REST call between web and server, the segment name be passed in
> the REST URL is 'null':
> http://localhost:7070/kylin/api/cubes/embedded_cube/segs/null/sql
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