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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18377) Error handling for FileNotFoundException should consider RemoteException in ReplicationSource#openReader()
Date Thu, 13 Jul 2017 18:27:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086159#comment-16086159
] 

Mike Drob commented on HBASE-18377:
-----------------------------------

[~tedyu] - is this something that makes sense to add a test for?

> Error handling for FileNotFoundException should consider RemoteException in ReplicationSource#openReader()
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-18377
>                 URL: https://issues.apache.org/jira/browse/HBASE-18377
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>         Attachments: 18377.branch-1.3.txt, 18377.v1.txt
>
>
> In region server log, I observed the following:
> {code}
> org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): File does not exist:
/apps/hbase/data/WALs/lx.p.com,16020,1497300923131/497300923131. default.1497302873178
>   at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:71)
>   at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:61)
>   at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:1860)
>   at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1831)
>   at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1744)
> ...
>   at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
>   at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:326)
>   at org.apache.hadoop.fs.FilterFileSystem.open(FilterFileSystem.java:162)
>   at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:782)
>   at org.apache.hadoop.hbase.wal.WALFactory.createReader(WALFactory.java:293)
>   at org.apache.hadoop.hbase.wal.WALFactory.createReader(WALFactory.java:267)
>   at org.apache.hadoop.hbase.wal.WALFactory.createReader(WALFactory.java:255)
>   at org.apache.hadoop.hbase.wal.WALFactory.createReader(WALFactory.java:414)
>   at org.apache.hadoop.hbase.replication.regionserver.ReplicationWALReaderManager.openReader(ReplicationWALReaderManager.java:69)
>   at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.openReader(ReplicationSource.java:605)
>   at org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.run(ReplicationSource.java:364)
> {code}
> We have code in ReplicationSource#openReader() which is supposed to handle FileNotFoundException
but RemoteException wrapping FileNotFoundException was missed.



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