Details
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Bug
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Status: Patch Available
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Major
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Resolution: Unresolved
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2.0.0
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None
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None
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None
Description
STEP 1. Configure Hive on Tez
STEP2. Create test tables
hive> create table t1(x int);
hive> create table t2(x int);
hive> create table t1_tmp(x int);
hive> create table t2_tmp(x int);
STEP 3. Run query
hive> from(select x from t1 union all select x from t2)tbl insert overwrite table t1_tmp select x insert overwrite table t2_tmp select x;
RESULT
2016-11-30 13:50:51,610 ERROR [main]: exec.Task (TezTask.java:execute(197)) - Failed to execute tez graph.
java.lang.IllegalArgumentException: VertexGroup must have at least 2 members
at org.apache.tez.dag.api.VertexGroup.<init>(VertexGroup.java:77)
at org.apache.tez.dag.api.DAG.createVertexGroup(DAG.java:177)
at org.apache.hadoop.hive.ql.exec.tez.TezTask.build(TezTask.java:333)
at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:169)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:85)
at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1635)
at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1395)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1208)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1035)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1025)
at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:201)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:153)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:364)
at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:712)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:631)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:570)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
This issue doesn't happen on MR mode.