2013-10-08 16:30:44,147 ERROR catalog.CatalogServer (CatalogServer.java:getTableDesc(188)) - java.io.IOException: com.mysql.jdbc.exceptio
ns.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
2013-10-08 16:30:44,147 ERROR master.GlobalEngine (GlobalEngine.java:executeQuery(166)) -
Stack Trace:
java.lang.NullPointerException
at org.apache.tajo.catalog.TableDescImpl.<init>(TableDescImpl.java:55)
at org.apache.tajo.catalog.CatalogUtil.newTableDesc(CatalogUtil.java:128)
at org.apache.tajo.catalog.AbstractCatalogClient.getTableDesc(AbstractCatalogClient.java:52)
at org.apache.tajo.engine.planner.LogicalPlanner.visitRelation(LogicalPlanner.java:167)
at org.apache.tajo.engine.planner.LogicalPlanner.visitRelation(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:89)
at org.apache.tajo.engine.planner.LogicalPlanner.visitRelationList(LogicalPlanner.java:201)
at org.apache.tajo.engine.planner.LogicalPlanner.visitRelationList(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:83)
at org.apache.tajo.engine.planner.LogicalPlanner.visitFilter(LogicalPlanner.java:414)
at org.apache.tajo.engine.planner.LogicalPlanner.visitFilter(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:71)
at org.apache.tajo.engine.planner.LogicalPlanner.visitGroupBy(LogicalPlanner.java:446)
at org.apache.tajo.engine.planner.LogicalPlanner.visitGroupBy(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:65)
at org.apache.tajo.engine.planner.LogicalPlanner.visitSort(LogicalPlanner.java:600)
at org.apache.tajo.engine.planner.LogicalPlanner.visitSort(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:59)
at org.apache.tajo.engine.planner.LogicalPlanner.visitLimit(LogicalPlanner.java:631)
at org.apache.tajo.engine.planner.LogicalPlanner.visitLimit(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:56)
at org.apache.tajo.engine.planner.LogicalPlanner.visitProjection(LogicalPlanner.java:675)
at org.apache.tajo.engine.planner.LogicalPlanner.visitProjection(LogicalPlanner.java:68)
at org.apache.tajo.engine.planner.BaseAlgebraVisitor.visitChild(BaseAlgebraVisitor.java:53)
at org.apache.tajo.engine.planner.LogicalPlanner.createPlan(LogicalPlanner.java:101)
at org.apache.tajo.master.GlobalEngine.createLogicalPlan(GlobalEngine.java:214)
at org.apache.tajo.master.GlobalEngine.executeQuery(GlobalEngine.java:137)
at org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler.submitQuery(TajoMasterClientService.java
:134)