Jihoon Son created TAJO-1316:
--------------------------------
Summary: NPE occurs when performing window functions after join
Key: TAJO-1316
URL: https://issues.apache.org/jira/browse/TAJO-1316
Project: Tajo
Issue Type: Bug
Reporter: Jihoon Son
This bug is reported from Tajo Korea user group
(https://groups.google.com/forum/#!topic/tajo-user-kr/oHWg-IQqVYg).
Here is the detailed log.
{noformat}
default> select rank() over (order by n_name) from nation, region where
r_regionkey = n_regionkey;
...
2015-01-27 11:08:23,655 INFO org.apache.tajo.master.GlobalEngine: Query: select
rank() over (order by n_name) from nation, region where r_regionkey =
n_regionkey
2015-01-27 11:08:23,739 ERROR org.apache.tajo.master.GlobalEngine:
Stack Trace:
java.lang.NullPointerException
at
org.apache.tajo.plan.util.PlannerUtil.targetToSchema(PlannerUtil.java:674)
at
org.apache.tajo.plan.logical.WindowAggNode.setTargets(WindowAggNode.java:102)
at
org.apache.tajo.plan.LogicalPlanner.insertWindowAggNode(LogicalPlanner.java:691)
at
org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:247)
at
org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:67)
at
org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:59)
at
org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:144)
at
org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:132)
at
org.apache.tajo.master.GlobalEngine.createLogicalPlan(GlobalEngine.java:233)
at
org.apache.tajo.master.GlobalEngine.executeQuery(GlobalEngine.java:162)
at
org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler.submitQuery(TajoMasterClientService.java:282)
at
org.apache.tajo.ipc.TajoMasterClientProtocol$TajoMasterClientProtocolService$2.callBlockingMethod(TajoMasterClientProtocol.java:543)
at
org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.messageReceived(BlockingRpcServer.java:103)
at
org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at
org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:70)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at
org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at
org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:109)
at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312)
at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at
org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at
org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
...
{noformat}
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