[
https://issues.apache.org/jira/browse/KYLIN-1985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
zhengdong updated KYLIN-1985:
-----------------------------
Description:
we suffered from a strange problem that we got a
java.lang.ArrayIndexOutOfBoundsException when build of refresh a cube,
exception stack like this :
java.lang.IllegalStateException: Failed to load lookup table DIM_TABLE_NAME
from snapshot
/table_snapshot/dim_table_name/5a78a522-6f85-4650-b47d-6a5f5806b7f7.snapshot
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:621)
at
org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:61)
at
org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:42)
at
org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:56)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
at
org.apache.kylin.engine.mr.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:63)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
at
org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
at
org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:127)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
at
org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
at
org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
... 13 more
and a simple exception when queried by a lookup table dimension
ERROR [http-bio-7070-exec-7] controller.QueryController:209 : Exception when
execute sql
at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:143)
at
org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:186)
at
org.apache.kylin.rest.service.QueryService.execute(QueryService.java:366)
at
org.apache.kylin.rest.service.QueryService.queryWithSqlMassage(QueryService.java:278)
at
org.apache.kylin.rest.service.QueryService.query(QueryService.java:121)
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$$EnhancerByCGLIB$$315e2079.query(<generated>)
at
org.apache.kylin.rest.controller.QueryController.doQueryWithCache(QueryController.java:192)
at
org.apache.kylin.rest.controller.QueryController.query(QueryController.java:94)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
at
org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
at
org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
Though the exception message, we found that one lookup table had been changed
in hive (add colunms) and not been synchronized with kylin. However, the cause
of this problem is too subtle and not easily found. As for the implementation
of
was:
we suffered from a strange problem that we got a
java.lang.ArrayIndexOutOfBoundsException when build of refresh a cube,
exception stack like this :
java.lang.IllegalStateException: Failed to load lookup table DIM_TABLE_NAME
from snapshot
/table_snapshot/dim_table_name/5a78a522-6f85-4650-b47d-6a5f5806b7f7.snapshot
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:621)
at
org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:61)
at
org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:42)
at
org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:56)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
at
org.apache.kylin.engine.mr.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:63)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
at
org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
at
org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
at
org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:127)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
at
org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
at
org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
... 13 more
and a simple exception when queried by a lookup table dimension
ERROR [http-bio-7070-exec-7] controller.QueryController:209 : Exception when
execute sql
at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:143)
at
org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:186)
at
org.apache.kylin.rest.service.QueryService.execute(QueryService.java:366)
at
org.apache.kylin.rest.service.QueryService.queryWithSqlMassage(QueryService.java:278)
at
org.apache.kylin.rest.service.QueryService.query(QueryService.java:121)
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$$EnhancerByCGLIB$$315e2079.query(<generated>)
at
org.apache.kylin.rest.controller.QueryController.doQueryWithCache(QueryController.java:192)
at
org.apache.kylin.rest.controller.QueryController.query(QueryController.java:94)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
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)
at
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:205)
at
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:266)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
at
org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
at
org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
at
org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
at
org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
at
org.apache.kylin.storage.hbase.cube.v1.CubeStorageQuery.translateDerivedInCompare(CubeStorageQuery.java:363)
at
org.apache.kylin.storage.hbase.cube.v1.CubeStorageQuery.translateDerived(CubeStorageQuery.java:321)
at
org.apache.kylin.storage.hbase.cube.v1.CubeStorageQuery.translateDerived(CubeStorageQuery.java:328)
at
org.apache.kylin.storage.hbase.cube.v1.CubeStorageQuery.search(CubeStorageQuery.java:138)
at
org.apache.kylin.query.enumerator.OLAPEnumerator.queryStorage(OLAPEnumerator.java:120)
at
org.apache.kylin.query.enumerator.OLAPEnumerator.moveNext(OLAPEnumerator.java:69)
at Baz$1$1.moveNext(Unknown Source)
at
org.apache.calcite.linq4j.EnumerableDefaults.aggregate(EnumerableDefaults.java:112)
at
org.apache.calcite.linq4j.DefaultEnumerable.aggregate(DefaultEnumerable.java:107)
at Baz.bind(Unknown Source)
at
org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:326)
at
org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:281)
at
org.apache.calcite.jdbc.CalciteMetaImpl._createIterable(CalciteMetaImpl.java:545)
at
org.apache.calcite.jdbc.CalciteMetaImpl.createIterable(CalciteMetaImpl.java:536)
at
org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:187)
at
org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:65)
at
org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:44)
at
org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:566)
at
org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:578)
at
org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:571)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:135)
Though the exception message, we found that one lookup table had been changed
in hive (add colunms) and not been synchronized with kylin. However, it is too
subtle and not easily found
> SnapshotTable should only keep the colunms described in tableDesc
> -----------------------------------------------------------------
>
> Key: KYLIN-1985
> URL: https://issues.apache.org/jira/browse/KYLIN-1985
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v1.5.3
> Reporter: zhengdong
>
> we suffered from a strange problem that we got a
> java.lang.ArrayIndexOutOfBoundsException when build of refresh a cube,
> exception stack like this :
> java.lang.IllegalStateException: Failed to load lookup table DIM_TABLE_NAME
> from snapshot
> /table_snapshot/dim_table_name/5a78a522-6f85-4650-b47d-6a5f5806b7f7.snapshot
> at
> org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:621)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:61)
> at
> org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:42)
> at
> org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:56)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> at
> org.apache.kylin.engine.mr.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:63)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
> at
> org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
> at
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:112)
> at
> org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:127)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
> at
> org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
> at org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
> at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
> at org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
> at
> org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
> ... 13 more
> and a simple exception when queried by a lookup table dimension
>
> ERROR [http-bio-7070-exec-7] controller.QueryController:209 : Exception when
> execute sql
> at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
> at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:143)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:186)
> at
> org.apache.kylin.rest.service.QueryService.execute(QueryService.java:366)
> at
> org.apache.kylin.rest.service.QueryService.queryWithSqlMassage(QueryService.java:278)
> at
> org.apache.kylin.rest.service.QueryService.query(QueryService.java:121)
> 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$$EnhancerByCGLIB$$315e2079.query(<generated>)
> at
> org.apache.kylin.rest.controller.QueryController.doQueryWithCache(QueryController.java:192)
> at
> org.apache.kylin.rest.controller.QueryController.query(QueryController.java:94)
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 19
> at
> org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:85)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.convertRow(LookupStringTable.java:34)
> at
> org.apache.kylin.dict.lookup.LookupTable.initRow(LookupTable.java:76)
> at org.apache.kylin.dict.lookup.LookupTable.init(LookupTable.java:67)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.init(LookupStringTable.java:79)
> at
> org.apache.kylin.dict.lookup.LookupTable.<init>(LookupTable.java:55)
> at
> org.apache.kylin.dict.lookup.LookupStringTable.<init>(LookupStringTable.java:65)
> at
> org.apache.kylin.cube.CubeManager.getLookupTable(CubeManager.java:619)
> Though the exception message, we found that one lookup table had been changed
> in hive (add colunms) and not been synchronized with kylin. However, the
> cause of this problem is too subtle and not easily found. As for the
> implementation of
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