[TAJO-241] Does not reconnect the meta store

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2-incubating
• Fix Version/s: 0.2-incubating
• Component/s: Catalog
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 10/Oct/13 02:26
• Updated: 10/Oct/13 04:36
• Resolved: 10/Oct/13 04:29

Description

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)