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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3921) NN will prematurely consider blocks missing when entering active state while still in safe mode
Date Sat, 10 Nov 2012 05:43:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494572#comment-13494572
] 

Hadoop QA commented on HDFS-3921:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12552935/HDFS-3921.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3481//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3481//console

This message is automatically generated.
                
> NN will prematurely consider blocks missing when entering active state while still in
safe mode
> -----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3921
>                 URL: https://issues.apache.org/jira/browse/HDFS-3921
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.2-alpha
>            Reporter: Stephen Chu
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-3921.patch, HDFS-3921.patch
>
>
> I shut down all the HDFS daemons in an Highly Available (automatic failover) cluster.
> Then I started one NN and it transitioned it to active. No DNs were started, and I saw
the red warning link on the NN web UI:
> WARNING : There are 36 missing blocks. Please check the logs or run fsck in order to
identify the missing blocks.
> I clicked this to go to the corrupt_files.jsp page, which ran into the following error:
> {noformat}
> HTTP ERROR 500
> Problem accessing /corrupt_files.jsp. Reason:
>     Cannot run listCorruptFileBlocks because replication queues have not been initialized.
> Caused by:
> java.io.IOException: Cannot run listCorruptFileBlocks because replication queues have
not been initialized.
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.listCorruptFileBlocks(FSNamesystem.java:5035)
> 	at org.apache.hadoop.hdfs.server.namenode.corrupt_005ffiles_jsp._jspService(corrupt_005ffiles_jsp.java:78)
> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
> 	at org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> 	at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1039)
> 	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> 	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> 	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> 	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> 	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> 	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> 	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> 	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> 	at org.mortbay.jetty.Server.handle(Server.java:326)
> 	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> 	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
> 	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
> 	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> 	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> 	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
> 	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> {noformat}

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