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)
