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https://issues.apache.org/jira/browse/HBASE-21466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16684378#comment-16684378
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Ted Yu commented on HBASE-21466:
--------------------------------
Without the leading slash (ahead of 'tmp'), test would fail with:
{code}
[ERROR]
testWalAbortOnLowReplicationWithQueuedWriters(org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS)
Time elapsed: 1.4 s <<< ERROR!
java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path
in absolute URI: hdfs://localhost:37261tmp/wal
at
org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS.setupDFS(TestWALProcedureStoreOnHDFS.java:88)
{code}
> WALProcedureStore uses wrong FileSystem if wal.dir is not under rootdir
> -----------------------------------------------------------------------
>
> Key: HBASE-21466
> URL: https://issues.apache.org/jira/browse/HBASE-21466
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Major
> Attachments: 21466.v2.txt, 21466.v3.txt, 21466.v3.txt
>
>
> In WALProcedureStore ctor , the fs field is initialized this way:
> {code}
> this.fs = walDir.getFileSystem(conf);
> {code}
> However, when wal.dir is not under rootdir, the above would return wrong
> FileSystem.
> In the modified TestMasterProcedureEvents, without fix, the master wouldn't
> initialize.
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