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https://issues.apache.org/jira/browse/HDFS-3423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13275903#comment-13275903
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Hadoop QA commented on HDFS-3423:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12527365/HDFS-3423.diff
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 2 new or modified test
files.
-1 patch. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2440//console
This message is automatically generated.
> BookKeeperJournalManager: NN startup is failing, when tries to
> recoverUnfinalizedSegments() a bad inProgress_ ZNodes
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3423
> URL: https://issues.apache.org/jira/browse/HDFS-3423
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Rakesh R
> Assignee: Ivan Kelly
> Attachments: HDFS-3423.diff
>
>
> Say, the InProgress_000X node is corrupted due to not writing the
> data(version, ledgerId, firstTxId) to this inProgress_000X znode. Namenode
> startup has the logic to recover all the unfinalized segments, here will try
> to read the segment and getting shutdown.
> {noformat}
> EditLogLedgerMetadata.java:
> static EditLogLedgerMetadata read(ZooKeeper zkc, String path)
> throws IOException, KeeperException.NoNodeException {
> byte[] data = zkc.getData(path, false, null);
> String[] parts = new String(data).split(";");
> if (parts.length == 3)
> ....reading inprogress metadata
> else if (parts.length == 4)
> ....reading inprogress metadata
> else
> throw new IOException("Invalid ledger entry, "
> + new String(data));
> }
> {noformat}
> Scenario:- Leaving bad inProgress_000X node ?
> Assume BKJM has created the inProgress_000X zNode and ZK is not available
> when trying to add the metadata. Now, inProgress_000X ends up with partial
> information.
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