-- ::, ERROR [Query 12e9c054-760c---b1f06724c9b6-] service.QueryService: : Exception when execute sql

java.lang.NullPointerException

        at org.apache.kylin.metadata.project.ProjectL2Cache.loadCache(ProjectL2Cache.java:)

        at org.apache.kylin.metadata.project.ProjectL2Cache.getCache(ProjectL2Cache.java:)

        at org.apache.kylin.metadata.project.ProjectL2Cache.listExposedTables(ProjectL2Cache.java:)

        at org.apache.kylin.metadata.project.ProjectManager.listExposedTables(ProjectManager.java:)

        at org.apache.kylin.query.schema.OLAPSchemaFactory.createTempOLAPJson(OLAPSchemaFactory.java:)

        at org.apache.kylin.rest.service.CacheService.getOLAPDataSource(CacheService.java:)

        at org.apache.kylin.rest.service.QueryService.execute(QueryService.java:)

        at org.apache.kylin.rest.service.QueryService.queryWithSqlMassage(QueryService.java:)

        at org.apache.kylin.rest.service.QueryService.query(QueryService.java:)

        at org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:)

        at org.apache.kylin.rest.controller.QueryController.query(QueryController.java:)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)

==========================[QUERY]===============================

Query Id: 12e9c054-760c---b1f06724c9b6

SQL: select VISIT_TYPE, count(*) from  xxdb.xxtable group by VISIT_TYPE

LIMIT

User: ADMIN

Success: true

Duration: 0.0

Project: energon_dm

Realization Names: []

Cuboid Ids: []

Total scan count:

Result row count:

Accept Partial: true

Is Partial Result: false

Hit Exception Cache: false

Storage cache used: false

Message: null

==========================[QUERY]===============================

-- ::, ERROR [http-bio--exec-] controller.BasicController: :

org.apache.kylin.rest.exception.InternalErrorException

        at org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:)

        at org.apache.kylin.rest.controller.QueryController.query(QueryController.java:)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)

        at java.lang.reflect.Method.invoke(Method.java:)

        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:)

        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:)

        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:)

        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:)

        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:)

        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:)

        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:)

        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:)

        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:)

        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:)