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Posted to dev@chukwa.apache.org by "zhang xiaolong (JIRA)" <ji...@apache.org> on 2012/12/05 08:26:58 UTC
[jira] [Created] (CHUKWA-673) pig script error
zhang xiaolong created CHUKWA-673:
-------------------------------------
Summary: pig script error
Key: CHUKWA-673
URL: https://issues.apache.org/jira/browse/CHUKWA-673
Project: Chukwa
Issue Type: Bug
Components: Scripts
Affects Versions: 0.5.0
Environment: Hadoop1.03+Hbase0.92.0+Chukwa0.50+Java6
Reporter: zhang xiaolong
Pig script ClusterSummary.pig may have some problems.
"... network:TxErrors network:TxPackets','-loadKey -gt $START -caster Utf8StorageConverter') AS ...." in ClusterSummary.pig didn't piont out "-loadKey (true/false)",and should be "-loadKey true".
And many rows stored in "hbase://SystemMetrics" didn't have value of "tags:cluster". The script use rowkey and "tags:cluster" to generate rowId. This may cause problems. I suggest use rowkey and "XX:ctags" to generate rowId.
-------------------------------------------------------------------------------------
When I run Pig script ClusterSummary.pig , got error:
Unable to recreate exception from backed error: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:465)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.processOnePackageOutput(PigGenericMapReduce.java:428)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:408)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:262)
at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: java.lang.IllegalArgumentException: Row key is invalid
at org.apache.hadoop.hbase.client.Put.<init>(Put.java:93)
at org.apache.hadoop.hbase.client.Put.<init>(Put.java:72)
at org.apache.hadoop.hbase.client.Put.<init>(Put.java:63)
at org.apache.pig.backend.hadoop.hbase.HBaseStorage.createPut(HBaseStorage.java:712)
at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:660)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:139)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:98)
at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:587)
at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:463)
... 11 more
-------------------------------------------------------------------------------------
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[jira] [Comment Edited] (CHUKWA-673) pig script error
Posted by "Eric Yang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511120#comment-13511120 ]
Eric Yang edited comment on CHUKWA-673 at 12/6/12 5:15 AM:
-----------------------------------------------------------
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
Can you confirm this is what happened? I can't reproduce problem described here.
was (Author: eyang):
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
> pig script error
> -----------------
>
> Key: CHUKWA-673
> URL: https://issues.apache.org/jira/browse/CHUKWA-673
> Project: Chukwa
> Issue Type: Bug
> Components: Scripts
> Affects Versions: 0.5.0
> Environment: Hadoop1.03+Hbase0.92.0+Chukwa0.50+Java6
> Reporter: zhang xiaolong
>
> Pig script ClusterSummary.pig may have some problems.
> "... network:TxErrors network:TxPackets','-loadKey -gt $START -caster Utf8StorageConverter') AS ...." in ClusterSummary.pig didn't piont out "-loadKey (true/false)",and should be "-loadKey true".
> And many rows stored in "hbase://SystemMetrics" didn't have value of "tags:cluster". The script use rowkey and "tags:cluster" to generate rowId. This may cause problems. I suggest use rowkey and "XX:ctags" to generate rowId.
> -------------------------------------------------------------------------------------
> When I run Pig script ClusterSummary.pig , got error:
> Unable to recreate exception from backed error: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:465)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.processOnePackageOutput(PigGenericMapReduce.java:428)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:408)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:262)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
> at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:93)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:72)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:63)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.createPut(HBaseStorage.java:712)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:660)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:139)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:98)
> at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:587)
> at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:463)
> ... 11 more
> -------------------------------------------------------------------------------------
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[jira] [Commented] (CHUKWA-673) pig script error
Posted by "Eric Yang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511120#comment-13511120 ]
Eric Yang commented on CHUKWA-673:
----------------------------------
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
> pig script error
> -----------------
>
> Key: CHUKWA-673
> URL: https://issues.apache.org/jira/browse/CHUKWA-673
> Project: Chukwa
> Issue Type: Bug
> Components: Scripts
> Affects Versions: 0.5.0
> Environment: Hadoop1.03+Hbase0.92.0+Chukwa0.50+Java6
> Reporter: zhang xiaolong
>
> Pig script ClusterSummary.pig may have some problems.
> "... network:TxErrors network:TxPackets','-loadKey -gt $START -caster Utf8StorageConverter') AS ...." in ClusterSummary.pig didn't piont out "-loadKey (true/false)",and should be "-loadKey true".
> And many rows stored in "hbase://SystemMetrics" didn't have value of "tags:cluster". The script use rowkey and "tags:cluster" to generate rowId. This may cause problems. I suggest use rowkey and "XX:ctags" to generate rowId.
> -------------------------------------------------------------------------------------
> When I run Pig script ClusterSummary.pig , got error:
> Unable to recreate exception from backed error: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:465)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.processOnePackageOutput(PigGenericMapReduce.java:428)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:408)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:262)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
> at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:93)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:72)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:63)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.createPut(HBaseStorage.java:712)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:660)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:139)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:98)
> at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:587)
> at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:463)
> ... 11 more
> -------------------------------------------------------------------------------------
--
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[jira] [Commented] (CHUKWA-673) pig script error
Posted by "zhang xiaolong (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511145#comment-13511145 ]
zhang xiaolong commented on CHUKWA-673:
---------------------------------------
Eric,
My configuration in chukwa-agen-conf.xml is:
<property>
<name>chukwaAgent.tags</name>
<value>cluster="demo"</value>
<description>The cluster's name for this agent</description>
</property>
The cluster's name is not empty.
But when I use Hbase to get some rows in 'SystemMetrics', there are some rows lack value of 'tags:cluster'.And if the 'tags:cluster' is empty, the "ConcatBuffer = foreach CleanseBuffer generate CONCAT(CONCAT($0, '-'), $1) as rowId,... "
in script may cause error.
Xiaolong Zhang
From: Eric Yang (JIRA)
Date: 2012-12-06 13:16
To: 54zhangxiaolong
Subject: [jira] [Comment Edited] (CHUKWA-673) pig script error
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511120#comment-13511120 ]
Eric Yang edited comment on CHUKWA-673 at 12/6/12 5:15 AM:
-----------------------------------------------------------
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
Can you confirm this is what happened? I can't reproduce problem described here.
was (Author: eyang):
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
> pig script error
> -----------------
>
> Key: CHUKWA-673
> URL: https://issues.apache.org/jira/browse/CHUKWA-673
> Project: Chukwa
> Issue Type: Bug
> Components: Scripts
> Affects Versions: 0.5.0
> Environment: Hadoop1.03+Hbase0.92.0+Chukwa0.50+Java6
> Reporter: zhang xiaolong
>
> Pig script ClusterSummary.pig may have some problems.
> "... network:TxErrors network:TxPackets','-loadKey -gt $START -caster Utf8StorageConverter') AS ...." in ClusterSummary.pig didn't piont out "-loadKey (true/false)",and should be "-loadKey true".
> And many rows stored in "hbase://SystemMetrics" didn't have value of "tags:cluster". The script use rowkey and "tags:cluster" to generate rowId. This may cause problems. I suggest use rowkey and "XX:ctags" to generate rowId.
> -------------------------------------------------------------------------------------
> When I run Pig script ClusterSummary.pig , got error:
> Unable to recreate exception from backed error: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:465)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.processOnePackageOutput(PigGenericMapReduce.java:428)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:408)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:262)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
> at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:93)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:72)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:63)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.createPut(HBaseStorage.java:712)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:660)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:139)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:98)
> at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:587)
> at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:463)
> ... 11 more
> -------------------------------------------------------------------------------------
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[jira] [Commented] (CHUKWA-673) pig script error
Posted by "zhang xiaolong (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511153#comment-13511153 ]
zhang xiaolong commented on CHUKWA-673:
---------------------------------------
Eric,
Sorry, I check the Hbase again. I found just one row in 'SystemMetrics' lacks of 'tags;cluster'. I don't know what happened.
I will delete this row and try again.
张晓龙
北京邮电大学多媒体通信与模式识别实验室
From: Eric Yang (JIRA)
Date: 2012-12-06 13:16
To: 54zhangxiaolong
Subject: [jira] [Comment Edited] (CHUKWA-673) pig script error
[ https://issues.apache.org/jira/browse/CHUKWA-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511120#comment-13511120 ]
Eric Yang edited comment on CHUKWA-673 at 12/6/12 5:15 AM:
-----------------------------------------------------------
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
Can you confirm this is what happened? I can't reproduce problem described here.
was (Author: eyang):
Xiaolong, -loadKey option can be expressed as -loadKey or -loadKey=true. -loadKey true is actually wrong. Ctag can be missing, if
{code}
<property>
<name>chukwaAgent.tags</name>
<value>cluster="${TODO_CLUSTER_NAME}"</value>
<description>The cluster's name for this agent</description>
</property>
{code}
If TODO_CLUSTER_NAME is empty.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
> pig script error
> -----------------
>
> Key: CHUKWA-673
> URL: https://issues.apache.org/jira/browse/CHUKWA-673
> Project: Chukwa
> Issue Type: Bug
> Components: Scripts
> Affects Versions: 0.5.0
> Environment: Hadoop1.03+Hbase0.92.0+Chukwa0.50+Java6
> Reporter: zhang xiaolong
>
> Pig script ClusterSummary.pig may have some problems.
> "... network:TxErrors network:TxPackets','-loadKey -gt $START -caster Utf8StorageConverter') AS ...." in ClusterSummary.pig didn't piont out "-loadKey (true/false)",and should be "-loadKey true".
> And many rows stored in "hbase://SystemMetrics" didn't have value of "tags:cluster". The script use rowkey and "tags:cluster" to generate rowId. This may cause problems. I suggest use rowkey and "XX:ctags" to generate rowId.
> -------------------------------------------------------------------------------------
> When I run Pig script ClusterSummary.pig , got error:
> Unable to recreate exception from backed error: java.io.IOException: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:465)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.processOnePackageOutput(PigGenericMapReduce.java:428)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:408)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.reduce(PigGenericMapReduce.java:262)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
> at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at org.apache.hadoop.mapred.Child.main(Child.java:249)
> Caused by: java.lang.IllegalArgumentException: Row key is invalid
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:93)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:72)
> at org.apache.hadoop.hbase.client.Put.<init>(Put.java:63)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.createPut(HBaseStorage.java:712)
> at org.apache.pig.backend.hadoop.hbase.HBaseStorage.putNext(HBaseStorage.java:660)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:139)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:98)
> at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:587)
> at org.apache.hadoop.mapreduce.TaskInputOutputContext.write(TaskInputOutputContext.java:80)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce$Reduce.runPipeline(PigGenericMapReduce.java:463)
> ... 11 more
> -------------------------------------------------------------------------------------
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