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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1101) NPE in HConnectionManager$TableServers.processBatchOfRows
Date Wed, 31 Dec 2008 06:46:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660029#action_12660029
] 

stack commented on HBASE-1101:
------------------------------

Saw this myself in some bulk upload testing this evening:

{code}
08/12/31 02:14:18 DEBUG client.HConnectionManager$TableServers: Cache hit in table locations
for row <0000515246> and tableName TestTable: location server 208.76.44.141:60020, location
region name TestTable,0000515246,1230688952892
08/12/31 02:14:41 INFO hbase.PerformanceEvaluation: client-0 0/524285/1048576
Exception in thread "0" java.lang.NullPointerException
        at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.processBatchOfRows(HConnectionManager.java:919)
        at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1267)
        at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1238)
        at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1218)
        at org.apache.hadoop.hbase.PerformanceEvaluation$SequentialWriteTest.testRow(PerformanceEvaluation.java:515)
        at org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:386)
        at org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:583)
        at org.apache.hadoop.hbase.PerformanceEvaluation$1.run(PerformanceEvaluation.java:242)
Exception in thread "1" java.lang.NullPointerException
        at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.processBatchOfRows(HConnectionManager.java:919)
        at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1267)
        at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1238)
        at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1218)
        at org.apache.hadoop.hbase.PerformanceEvaluation$SequentialWriteTest.testRow(PerformanceEvaluation.java:515)
        at org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:386)
        at org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:583)
        at org.apache.hadoop.hbase.PerformanceEvaluation$1.run(PerformanceEvaluation.java:242)
{code}

> NPE in HConnectionManager$TableServers.processBatchOfRows
> ---------------------------------------------------------
>
>                 Key: HBASE-1101
>                 URL: https://issues.apache.org/jira/browse/HBASE-1101
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Critical
>             Fix For: 0.19.0
>
>
> Had DFS errors take down a region server. Looks like a full restart may be necessary
because errors on the region continue. Clients attempting to store to the region get a NPE
in HConnectionManager$TableServers.processBatchOfRows.
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.processBatchOfRows(HConnectionManager.java:911)
> 	at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1267)
> 	at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1238)
> 	at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:1218)
> 	at net.iridiant.content.Content.store(Unknown Source)
> 	at net.iridiant.content.Content.store(Unknown Source)
> 	... 6 more

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