as the stacktrace said: java.lang.IllegalStateException: Derived can only be defined on lookup table,
you need to redefine the cube desc On Thu, Mar 3, 2016 at 6:44 AM, zhaoyunjiong (JIRA) <[email protected]> wrote: > zhaoyunjiong created KYLIN-1464: > ----------------------------------- > > Summary: 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: zhaoyunjiong > Assignee: zhaoyunjiong > > > 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} > > > > -- > This message was sent by Atlassian JIRA > (v6.3.4#6332) > -- Regards, *Bin Mahone | 马洪宾* Apache Kylin: http://kylin.io Github: https://github.com/binmahone
