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From "Eric Hanson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-4685) query using LIKE does not vectorize, then crashes
Date Fri, 07 Jun 2013 17:46:22 GMT
Eric Hanson created HIVE-4685:
---------------------------------

             Summary: query using LIKE does not vectorize, then crashes
                 Key: HIVE-4685
                 URL: https://issues.apache.org/jira/browse/HIVE-4685
             Project: Hive
          Issue Type: Sub-task
          Components: Query Processor
    Affects Versions: vectorization-branch
            Reporter: Eric Hanson


The query 

  select count(ddate) from factsqlengineam_vec_orc where ddate like "2013%";

Starts up but does not run in vectorization mode. Then during non-vectorized execution it
crashes.

Expected result:

Query runs vectorized and runs successfully.

Actual result:

hive> select count(ddate) from factsqlengineam_vec_orc where ddate like "2013%";
Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks determined at compile time: 1
In order to change the average load for a reducer (in bytes):
  set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
  set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
  set mapred.reduce.tasks=<number>
Validating if vectorized execution is applicable
Cannot vectorize the plan: org.apache.hadoop.hive.ql.metadata.HiveException: Udf: GenericUDFBridge,
is not supported
java.lang.InstantiationException: org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator
Continuing ...
java.lang.Exception: XMLEncoder: discarding statement ArrayList.add(VectorGroupByOperator);
Continuing ...
Starting Job = job_201306061504_0041, Tracking URL = http://localhost:50030/jobdetails.jsp?jobid=job_201306061504_0041
Kill Command = c:\Hadoop\hadoop-1.1.0-SNAPSHOT\bin\hadoop.cmd job  -kill job_201306061504_0041
Hadoop job information for Stage-1: number of mappers: 8; number of reducers: 1
2013-06-07 10:41:31,544 Stage-1 map = 0%,  reduce = 0%
2013-06-07 10:42:01,677 Stage-1 map = 100%,  reduce = 100%
Ended Job = job_201306061504_0041 with errors
Error during job, obtaining debugging information...
Job Tracking URL: http://localhost:50030/jobdetails.jsp?jobid=job_201306061504_0041
Examining task ID: task_201306061504_0041_m_000009 (and more) from job job_201306061504_0041
Examining task ID: task_201306061504_0041_m_000002 (and more) from job job_201306061504_0041
Examining task ID: task_201306061504_0041_m_000000 (and more) from job job_201306061504_0041
Examining task ID: task_201306061504_0041_m_000004 (and more) from job job_201306061504_0041

Task with the most failures(4):
-----
Task ID:
  task_201306061504_0041_m_000006

URL:
  http://localhost:50030/taskdetails.jsp?jobid=job_201306061504_0041&tipid=task_201306061504_0041_m_000006
-----
Diagnostic Messages for this Task:
java.lang.RuntimeException: Error in configuring object
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
        at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:432)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
        at org.apache.hadoop.mapred.Child$4.run(Child.java:271)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
        at org.apache.hadoop.mapred.Child.main(Child.java:265)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88)
        ... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
        at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:34)
        ... 14 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88)
        ... 17 more
Caused by: java.lang.RuntimeException: Map operator initialization failed
        at org.apache.hadoop.hive.ql.exec.ExecMapper.configure(ExecMapper.java:121)
        ... 22 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive internal error: cannot find
parent in the child operator!
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:360)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:451)
        at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:407)
        at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:66)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:375)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:451)
        at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:407)
        at org.apache.hadoop.hive.ql.exec.FilterOperator.initializeOp(FilterOperator.java:82)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:375)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:451)
        at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:407)
        at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:187)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:375)
        at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:543)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:375)
        at org.apache.hadoop.hive.ql.exec.ExecMapper.configure(ExecMapper.java:100)
        ... 22 more


FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask
MapReduce Jobs Launched:
Job 0: Map: 8  Reduce: 1   HDFS Read: 0 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec
hive>

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