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https://issues.apache.org/jira/browse/KYLIN-1169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shao Feng Shi resolved KYLIN-1169.
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Resolution: Cannot Reproduce
> error while requesting tables_and_columns in project '_NULL'
> ------------------------------------------------------------
>
> Key: KYLIN-1169
> URL: https://issues.apache.org/jira/browse/KYLIN-1169
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v1.0
> Reporter: fengYu
> Priority: Major
>
> I deploy a new kylin env, and open web UI at the first time, I find error
> logs:
> [http-bio-7070-exec-2]:[2015-11-25
> 15:56:14,486][ERROR][org.apache.kylin.rest.controller.BasicController.handleError(BasicController.java:46)]
> -
> java.lang.IllegalArgumentException: Project '_NULL' does not exist;
> at
> org.apache.kylin.metadata.project.ProjectL2Cache.loadCache(ProjectL2Cache.java:168)
> at
> org.apache.kylin.metadata.project.ProjectL2Cache.getCache(ProjectL2Cache.java:155)
> at
> org.apache.kylin.metadata.project.ProjectL2Cache.listExposedTables(ProjectL2Cache.java:72)
> at
> org.apache.kylin.metadata.project.ProjectManager.listExposedTables(ProjectManager.java:292)
> at
> org.apache.kylin.query.schema.OLAPSchemaFactory.createTempOLAPJson(OLAPSchemaFactory.java:72)
> at
> org.apache.kylin.rest.service.BasicService.getOLAPDataSource(BasicService.java:107)
> at
> org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:278)
> at
> org.apache.kylin.rest.service.QueryService.getMetadata(QueryService.java:101)
> at
> org.apache.kylin.rest.service.QueryService$$FastClassByCGLIB$$4957273f.invoke(<generated>)
> at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
> at
> org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:618)
> at
> org.apache.kylin.rest.service.QueryService$$EnhancerByCGLIB$$b691a967.getMetadata(<generated>)
> at
> org.apache.kylin.rest.controller.QueryController.getMetadata(QueryController.java:154)
> I find that, if I do not have any any project, web UI GET
> 'http://ip:port/kylin/api/tables_and_columns?project=_null', this will cause
> IllegalArgumentException and maybe you can fix the error
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