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https://issues.apache.org/jira/browse/KYLIN-1464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shaofeng SHI closed KYLIN-1464.
-------------------------------
Resolution: Fixed
This should have been fixed, please upgrade to a newer version.
> org.apache.kylin.cube.CubeInstance.getDataModelDesc throw
> java.lang.NullPointerException
> ----------------------------------------------------------------------------------------
>
> Key: KYLIN-1464
> URL: https://issues.apache.org/jira/browse/KYLIN-1464
> Project: Kylin
> Issue Type: Bug
> Reporter: yunjiong zhao
> Assignee: yunjiong zhao
> Attachments: KYLIN-1464.patch
>
>
> User report can't see models from Web UI.
> After I check log, I found java.lang.NullPointerException
> {quote}
> 2016-03-02 08:06:59,645 ERROR [http-bio-7070-exec-22]
> controller.BasicController:44 :
> java.lang.NullPointerException
> at
> org.apache.kylin.cube.CubeInstance.getDataModelDesc(CubeInstance.java:128)
> at
> org.apache.kylin.metadata.MetadataManager.getModels(MetadataManager.java:326)
> at
> org.apache.kylin.rest.service.ModelService.listAllModels(ModelService.java:55)
> at
> org.apache.kylin.rest.service.ModelService.getModels(ModelService.java:74)
> at
> org.apache.kylin.rest.service.ModelService$$FastClassByCGLIB$$eb0205be.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.ModelService$$EnhancerByCGLIB$$2e750d6d.getModels(<generated>)
> at
> org.apache.kylin.rest.controller.ModelController.getModels(ModelController.java:71)
> at sun.reflect.GeneratedMethodAccessor164.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
> at
> org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
> at
> org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
> at
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
> at
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
> at
> org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
> at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
> at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
> at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
> {quote}
> And before that we can see from log why it happens.
> {quote}
> 2016-03-02 08:06:59,238 INFO [http-bio-7070-exec-22]
> cube.CubeDescManager:197 : Reloading Cube Metadata from folder
> _kylin_metadata_qa2(key='/cube_desc')@_kylin_metadata_qa2@hbase
> 2016-03-02 08:06:59,632 ERROR [http-bio-7070-exec-22]
> cube.CubeDescManager:207 : Error loading cube desc /cube_desc/test4.json
> java.lang.IllegalStateException: Derived can only be defined on lookup table,
> cube CubeDesc [name=test4], DimensionDesc
> [name=DEFAULT.SLNG_CATEG_META_LVL2_DERIVED, join=null, hierarchy=null,
> table=DEFAULT.SLNG_CATEG_META_LVL2, column=null, derived=[CATEG_LVL2_NAME,
> META_CATEG_NAME]]
> at
> org.apache.kylin.cube.model.DimensionDesc.init(DimensionDesc.java:111)
> at org.apache.kylin.cube.model.CubeDesc.init(CubeDesc.java:461)
> at
> org.apache.kylin.cube.CubeDescManager.loadCubeDesc(CubeDescManager.java:134)
> at
> org.apache.kylin.cube.CubeDescManager.reloadAllCubeDesc(CubeDescManager.java:205)
> at
> org.apache.kylin.cube.CubeDescManager.<init>(CubeDescManager.java:94)
> at
> org.apache.kylin.cube.CubeDescManager.getInstance(CubeDescManager.java:74)
> at
> org.apache.kylin.cube.CubeInstance.getDescriptor(CubeInstance.java:123)
> at
> org.apache.kylin.cube.CubeInstance.getDataModelDesc(CubeInstance.java:128)
> at
> org.apache.kylin.metadata.MetadataManager.getModels(MetadataManager.java:326)
> at
> org.apache.kylin.rest.service.ModelService.listAllModels(ModelService.java:55)
> at
> org.apache.kylin.rest.service.ModelService.getModels(ModelService.java:74)
> at
> org.apache.kylin.rest.service.ModelService$$FastClassByCGLIB$$eb0205be.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.ModelService$$EnhancerByCGLIB$$2e750d6d.getModels(<generated>)
> at
> org.apache.kylin.rest.controller.ModelController.getModels(ModelController.java:71)
> at sun.reflect.GeneratedMethodAccessor164.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
> at
> org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:
> {quote}
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