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Jarek Jarcec Cecho commented on HBASE-9744: ------------------------------------------- Thank you both [~jdcryans] for helping me out with this and [~ndimiduk] for the quick review! > Set io.serializations correctly in HFileOutputFormat.configureIncrementalLoad > ----------------------------------------------------------------------------- > > Key: HBASE-9744 > URL: https://issues.apache.org/jira/browse/HBASE-9744 > Project: HBase > Issue Type: Improvement > Affects Versions: 0.96.0 > Reporter: Jean-Daniel Cryans > Assignee: Jean-Daniel Cryans > Priority: Minor > Fix For: 0.96.1 > > Attachments: HBASE-9744.patch > > > HFileOutputFormat.configureIncrementalLoad is not setting all the io > serializations correctly so custom bulk loaders (like ImportTsv) need to set > it. Simple fix, just add what's missing. > In case someone doesn't get this patch but upgrades to an old RC, this is > what you'll see when running via YARN (or similar if MR1): > {noformat} > 2013-10-10 09:48:13,836 WARN [main] org.apache.hadoop.mapred.YarnChild: > Exception running child : java.lang.NullPointerException > at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init(MapTask.java:989) > at > org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:390) > at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:79) > at > org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:674) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:746) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:339) > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:165) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1485) > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:160) > {noformat} > Kudos to [~jarcec] for finding the issue. -- This message was sent by Atlassian JIRA (v6.1#6144)