See <https://builds.apache.org/job/Tajo-master-CODEGEN-build/96/changes>

Changes:

[jhkim] TAJO-1184: Upgrade netty-buffer to 4.0.24.Final. (jinho)

------------------------------------------
[...truncated 348650 lines...]
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase$1.operationComplete(NettyClientBase.java:84)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase$1.operationComplete(NettyClientBase.java:84)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase.handleConnectionInternally(NettyClientBase.java:75)
        at org.apache.tajo.rpc.NettyClientBase.connect(NettyClientBase.java:116)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:68)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:54)
        at org.apache.tajo.rpc.AsyncRpcClient.<init>(AsyncRpcClient.java:72)
        at 
org.apache.tajo.rpc.RpcConnectionPool.makeConnection(RpcConnectionPool.java:71)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:88)
        at 
org.apache.tajo.worker.WorkerHeartbeatService$WorkerHeartbeatThread.run(WorkerHeartbeatService.java:191)
2014-11-18 01:56:06,107 ERROR: org.apache.tajo.rpc.AsyncRpcClient 
(exceptionCaught(215)) - null,class 
org.apache.tajo.ipc.TajoResourceTrackerProtocol,Worker has already been shutdown
java.util.concurrent.RejectedExecutionException: Worker has already been 
shutdown
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.registerTask(AbstractNioSelector.java:115)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.register(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.NioClientBoss.register(NioClientBoss.java:42)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.connect(NioClientSocketPipelineSink.java:121)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:70)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at org.jboss.netty.channel.Channels.connect(Channels.java:634)
        at 
org.jboss.netty.channel.AbstractChannel.connect(AbstractChannel.java:207)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:229)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:182)
        at 
org.apache.tajo.rpc.NettyClientBase$1.operationComplete(NettyClientBase.java:83)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase$1.operationComplete(NettyClientBase.java:84)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase$1.operationComplete(NettyClientBase.java:84)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.addListener(DefaultChannelFuture.java:145)
        at 
org.apache.tajo.rpc.NettyClientBase.handleConnectionInternally(NettyClientBase.java:75)
        at org.apache.tajo.rpc.NettyClientBase.connect(NettyClientBase.java:116)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:68)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:54)
        at org.apache.tajo.rpc.AsyncRpcClient.<init>(AsyncRpcClient.java:72)
        at 
org.apache.tajo.rpc.RpcConnectionPool.makeConnection(RpcConnectionPool.java:71)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:88)
        at 
org.apache.tajo.worker.WorkerHeartbeatService$WorkerHeartbeatThread.run(WorkerHeartbeatService.java:191)
2014-11-18 01:56:06,107 ERROR: org.apache.tajo.rpc.AsyncRpcClient 
(exceptionCaught(230)) - RPC 
Exception:java.util.concurrent.RejectedExecutionException: Worker has already 
been shutdown
2014-11-18 01:56:06,107 ERROR: org.apache.tajo.rpc.NettyClientBase 
(operationComplete(91)) - Max retry count has been exceeded. attempts=3
2014-11-18 01:56:06,111 INFO: org.apache.tajo.util.history.HistoryWriter 
(run(227)) - HistoryWriter_asf904.gq1.ygridcore.net_10632 stopped.
2014-11-18 01:56:06,112 INFO: org.apache.tajo.util.history.HistoryCleaner 
(run(134)) - History cleaner stopped
2014-11-18 01:56:06,121 INFO: org.apache.tajo.worker.WorkerHeartbeatService 
(run(242)) - Worker Resource Heartbeat Thread stopped.
2014-11-18 01:56:06,126 WARN: org.jboss.netty.channel.DefaultChannelPipeline 
(warn(79)) - An exception was thrown by an exception handler.
java.util.concurrent.RejectedExecutionException: Worker has already been 
shutdown
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.registerTask(AbstractNioSelector.java:115)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.executeInIoThread(AbstractNioWorker.java:73)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.executeInIoThread(NioWorker.java:36)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.executeInIoThread(AbstractNioWorker.java:57)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.executeInIoThread(NioWorker.java:36)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioChannelSink.execute(AbstractNioChannelSink.java:34)
        at 
org.jboss.netty.channel.Channels.fireExceptionCaughtLater(Channels.java:496)
        at 
org.jboss.netty.channel.AbstractChannelSink.exceptionCaught(AbstractChannelSink.java:46)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at org.jboss.netty.channel.Channels.close(Channels.java:812)
        at 
org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:197)
        at 
org.jboss.netty.channel.ChannelFutureListener$2.operationComplete(ChannelFutureListener.java:52)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:427)
        at 
org.jboss.netty.channel.DefaultChannelFuture.notifyListeners(DefaultChannelFuture.java:413)
        at 
org.jboss.netty.channel.DefaultChannelFuture.setFailure(DefaultChannelFuture.java:380)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.connect(NioClientSocketPipelineSink.java:130)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:70)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at org.jboss.netty.channel.Channels.connect(Channels.java:634)
        at 
org.jboss.netty.channel.AbstractChannel.connect(AbstractChannel.java:207)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:229)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:182)
        at 
org.apache.tajo.rpc.NettyClientBase.handleConnectionInternally(NettyClientBase.java:72)
        at org.apache.tajo.rpc.NettyClientBase.connect(NettyClientBase.java:116)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:68)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:54)
        at org.apache.tajo.rpc.AsyncRpcClient.<init>(AsyncRpcClient.java:72)
        at 
org.apache.tajo.rpc.RpcConnectionPool.makeConnection(RpcConnectionPool.java:71)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:88)
        at 
org.apache.tajo.worker.WorkerHeartbeatService$WorkerHeartbeatThread.run(WorkerHeartbeatService.java:195)
2014-11-18 01:56:06,127 ERROR: org.apache.tajo.rpc.AsyncRpcClient 
(exceptionCaught(215)) - null,class 
org.apache.tajo.ipc.TajoResourceTrackerProtocol,Worker has already been shutdown
java.util.concurrent.RejectedExecutionException: Worker has already been 
shutdown
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.registerTask(AbstractNioSelector.java:115)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.register(AbstractNioSelector.java:100)
        at 
org.jboss.netty.channel.socket.nio.NioClientBoss.register(NioClientBoss.java:42)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.connect(NioClientSocketPipelineSink.java:121)
        at 
org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:70)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at 
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
        at org.jboss.netty.channel.Channels.connect(Channels.java:634)
        at 
org.jboss.netty.channel.AbstractChannel.connect(AbstractChannel.java:207)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:229)
        at 
org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:182)
        at 
org.apache.tajo.rpc.NettyClientBase.handleConnectionInternally(NettyClientBase.java:72)
        at org.apache.tajo.rpc.NettyClientBase.connect(NettyClientBase.java:116)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:68)
        at org.apache.tajo.rpc.NettyClientBase.init(NettyClientBase.java:54)
        at org.apache.tajo.rpc.AsyncRpcClient.<init>(AsyncRpcClient.java:72)
        at 
org.apache.tajo.rpc.RpcConnectionPool.makeConnection(RpcConnectionPool.java:71)
        at 
org.apache.tajo.rpc.RpcConnectionPool.getConnection(RpcConnectionPool.java:88)
        at 
org.apache.tajo.worker.WorkerHeartbeatService$WorkerHeartbeatThread.run(WorkerHeartbeatService.java:195)
2014-11-18 01:56:06,127 ERROR: org.apache.tajo.rpc.AsyncRpcClient 
(exceptionCaught(230)) - RPC 
Exception:java.util.concurrent.RejectedExecutionException: Worker has already 
been shutdown
2014-11-18 01:56:06,129 INFO: org.apache.tajo.rpc.NettyServerBase 
(shutdown(128)) - Rpc (QueryMasterProtocol) listened on 0:0:0:0:0:0:0:0:10632) 
shutdown
2014-11-18 01:56:06,129 INFO: 
org.apache.tajo.master.querymaster.QueryMasterManagerService (stop(111)) - 
QueryMasterManagerService stopped
2014-11-18 01:56:06,129 INFO: org.apache.tajo.master.querymaster.QueryMaster 
(run(559)) - QueryMaster heartbeat thread stopped
2014-11-18 01:56:06,130 INFO: org.apache.tajo.master.TajoAsyncDispatcher 
(stop(122)) - AsyncDispatcher stopped:querymaster_1416275041890
2014-11-18 01:56:06,130 INFO: org.apache.tajo.master.querymaster.QueryMaster 
(stop(173)) - QueryMaster stop
2014-11-18 01:56:06,130 INFO: org.apache.tajo.worker.TajoWorkerClientService 
(stop(114)) - TajoWorkerClientService stopping
2014-11-18 01:56:06,134 INFO: org.apache.tajo.rpc.NettyServerBase 
(shutdown(128)) - Rpc (QueryMasterClientProtocol) listened on 
0:0:0:0:0:0:0:0:10631) shutdown
2014-11-18 01:56:06,134 INFO: org.apache.tajo.worker.TajoWorkerClientService 
(stop(118)) - TajoWorkerClientService stopped
2014-11-18 01:56:06,141 INFO: org.apache.tajo.rpc.NettyServerBase 
(shutdown(128)) - Rpc (TajoWorkerProtocol) listened on 0:0:0:0:0:0:0:0:10630) 
shutdown
2014-11-18 01:56:06,141 INFO: org.apache.tajo.worker.TajoWorkerManagerService 
(stop(97)) - TajoWorkerManagerService stopped
2014-11-18 01:56:06,142 INFO: org.apache.tajo.worker.TajoWorker 
(serviceStop(394)) - TajoWorker main thread exiting

Results :

Failed tests: 
  TestQueryUnitStatusUpdate.case2:80->assertStatus:164 expected:<3> but was:<2>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:408->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,0,,,33.333333333333336,100.0
2,0,,,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:408->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,0,,,33.333333333333336,100.0
2,0,,,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:408->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,0,,,33.333333333333336,100.0
2,0,,,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:408->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,0,,,33.333333333333336,100.0
2,0,,,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinBroadcast.testBroadcastSubquery2:401->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[?sum
-------------------------------
190.0]> but was:<[-------------------------------]>
  TestCTASQuery.testCtasWithManagedTable:231 null
  
TestGroupByQuery.testDistinctAggregationCasebyCase:388->QueryTestCaseBase.assertResultSet:364->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,cnt1,value2,l_partkey,avg1,cnt2
-------------------------------
1,1,28.0,1,26.5,2
2,1,39.0,2,38.0,1
3,1,46.0,2,45.0,1
3,1,51.0,3,49.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testGroupbyWithJson:552->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1
1,1.0,3]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithAggFunction:543->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithNamedTarget:534->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
1,1.0,3
2,2.0,1
3,2.5,3]> but was:<[-------------------------------]>
  
TestGroupByQuery.testDistinctAggregationCasebyCase:388->QueryTestCaseBase.assertResultSet:364->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,cnt1,value2,l_partkey,avg1,cnt2
-------------------------------
1,1,28.0,1,26.5,2
2,1,39.0,2,38.0,1
3,1,46.0,2,45.0,1
3,1,51.0,3,49.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testGroupbyWithJson:552->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1
1,1.0,3]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithAggFunction:543->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithNamedTarget:534->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
1,1.0,3
2,2.0,1
3,2.5,3]> but was:<[-------------------------------]>
  
TestBuiltinFunctions.testAvgLong:81->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[total_avg
-------------------------------
2.0]> but was:<[-------------------------------]>
  
TestBuiltinFunctions.testAvgDouble:74->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[l_orderkey,revenue
-------------------------------
1,0.065
2,0.0
3,0.08]> but was:<[-------------------------------]>
  
TestBuiltinFunctions.testAvgInt:88->QueryTestCaseBase.assertResultSet:353->QueryTestCaseBase.assertResultSet:378->QueryTestCaseBase.verifyResultText:494
 Result Verification expected:<[total_avg
-------------------------------
1.8]> but was:<[-------------------------------]>

Tests in error: 
  
TestCTASQuery.testCtasWithGroupby:149->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service
  
TestCTASQuery.testCtasWithLimit:169->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service
  
TestCTASQuery.testCtasWithUnion:179->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service
  
TestCTASQuery.testCtasWithOptions:203->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service
  
TestCTASQuery.testCtasWithStoreType:189->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service
  
TestCTASQuery.testCtasWithOrderby:159->QueryTestCaseBase.executeQuery:303->QueryTestCaseBase.executeFile:333
 » Service

Tests run: 1237, Failures: 18, Errors: 6, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Tajo Main ......................................... SUCCESS [  1.716 s]
[INFO] Tajo Project POM .................................. SUCCESS [  1.169 s]
[INFO] Tajo Maven Plugins ................................ SUCCESS [  3.304 s]
[INFO] Tajo Common ....................................... SUCCESS [ 25.295 s]
[INFO] Tajo Algebra ...................................... SUCCESS [  1.345 s]
[INFO] Tajo Catalog Common ............................... SUCCESS [  5.573 s]
[INFO] Tajo Plan ......................................... SUCCESS [  3.535 s]
[INFO] Tajo Rpc .......................................... SUCCESS [ 25.398 s]
[INFO] Tajo Catalog Client ............................... SUCCESS [  0.970 s]
[INFO] Tajo Catalog Server ............................... SUCCESS [  9.745 s]
[INFO] Tajo Storage ...................................... SUCCESS [01:47 min]
[INFO] Tajo Core PullServer .............................. SUCCESS [  0.772 s]
[INFO] Tajo Client ....................................... SUCCESS [  3.361 s]
[INFO] Tajo JDBC Driver .................................. SUCCESS [  0.540 s]
[INFO] ASM (thirdparty) .................................. SUCCESS [  0.573 s]
[INFO] Tajo Core ......................................... FAILURE [12:31 min]
[INFO] Tajo Catalog Drivers .............................. SKIPPED
[INFO] Tajo Catalog ...................................... SKIPPED
[INFO] Tajo Distribution ................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 15:42 min
[INFO] Finished at: 2014-11-18T01:56:06+00:00
[INFO] Final Memory: 89M/911M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on 
project tajo-core: There are test failures.
[ERROR] 
[ERROR] Please refer to 
<https://builds.apache.org/job/Tajo-master-CODEGEN-build/ws/tajo-core/target/surefire-reports>
 for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :tajo-core
Build step 'Execute shell' marked build as failure
Updating TAJO-1184

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