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Posted to hdfs-dev@hadoop.apache.org by "Karthik Palanisamy (JIRA)" <ji...@apache.org> on 2016/08/16 11:55:21 UTC
[jira] [Created] (HDFS-10766) Request short circuit access failed
Karthik Palanisamy created HDFS-10766:
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Summary: Request short circuit access failed
Key: HDFS-10766
URL: https://issues.apache.org/jira/browse/HDFS-10766
Project: Hadoop HDFS
Issue Type: Bug
Components: logging
Environment: HDP-2.4
Reporter: Karthik Palanisamy
Priority: Minor
There was some error while creating requestShortCircuitFdsForRead and the exception is thrown when logging the message
{quote}
In this scenario, the actual exception was lost
{quote}
To get the actual exception message it needs to be handled properly.
2016-07-25 13:11:54,323 ERROR datanode.DataNode (DataXceiver.java:run(278)) - nyc2aggr04.nyc7.pubmatic.com:50010:DataXceiver error processing REQUEST_SHORT_CIRCUIT_FDS operation src: unix:/var/lib/hadoop-hdfs/dn_socket dst: <local>
org.apache.hadoop.fs.InvalidRequestException: there is no shared memory segment registered with shmId 0773fa8b13b4643cb5be98893af5a873
at org.apache.hadoop.hdfs.server.datanode.ShortCircuitRegistry.unregisterSlot(ShortCircuitRegistry.java:371)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.requestShortCircuitFds(DataXceiver.java:364)
at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opRequestShortCircuitFds(Receiver.java:187)
at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:89)
at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:251)
at java.lang.Thread.run(Thread.java:745)
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