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John Zhuge reassigned HDFS-6520: -------------------------------- Assignee: John Zhuge > Failed to run fsck -move > ------------------------ > > Key: HDFS-6520 > URL: https://issues.apache.org/jira/browse/HDFS-6520 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.4.0 > Reporter: Shengjun Xin > Assignee: John Zhuge > > I met some error when I run fsck -move. > My steps are as the following: > 1. Set up a pseudo cluster > 2. Copy a file to hdfs > 3. Corrupt a block of the file > 4. Run fsck to check: > {code} > Connecting to namenode via http://localhost:50070 > FSCK started by hadoop (auth:SIMPLE) from /127.0.0.1 for path /user/hadoop at > Wed Jun 11 15:58:38 CST 2014 > . > /user/hadoop/fsck-test: CORRUPT blockpool > BP-654596295-10.37.7.84-1402466764642 block blk_1073741825 > /user/hadoop/fsck-test: MISSING 1 blocks of total size 1048576 B.Status: > CORRUPT > Total size: 4104304 B > Total dirs: 1 > Total files: 1 > Total symlinks: 0 > Total blocks (validated): 4 (avg. block size 1026076 B) > ******************************** > CORRUPT FILES: 1 > MISSING BLOCKS: 1 > MISSING SIZE: 1048576 B > CORRUPT BLOCKS: 1 > ******************************** > Minimally replicated blocks: 3 (75.0 %) > Over-replicated blocks: 0 (0.0 %) > Under-replicated blocks: 0 (0.0 %) > Mis-replicated blocks: 0 (0.0 %) > Default replication factor: 1 > Average block replication: 0.75 > Corrupt blocks: 1 > Missing replicas: 0 (0.0 %) > Number of data-nodes: 1 > Number of racks: 1 > FSCK ended at Wed Jun 11 15:58:38 CST 2014 in 1 milliseconds > The filesystem under path '/user/hadoop' is CORRUPT > {code} > 5. Run fsck -move to move the corrupted file to /lost+found and the error > message in the namenode log: > {code} > 2014-06-11 15:48:16,686 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: > FSCK started by hadoop (auth:SIMPLE) from /127.0.0.1 for path /user/hadoop at > Wed Jun 11 15:48:16 CST 2014 > 2014-06-11 15:48:16,894 INFO > org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 35 > Total time for transactions(ms): 9 Number of transactions batched in Syncs: 0 > Number of syncs: 25 SyncTimes(ms): 73 > 2014-06-11 15:48:16,991 ERROR > org.apache.hadoop.hdfs.server.namenode.NameNode: Error reading block > java.io.IOException: Expected empty end-of-read packet! Header: PacketHeader > with packetLen=66048 header data: offsetInBlock: 65536 > seqno: 1 > lastPacketInBlock: false > dataLen: 65536 > at > org.apache.hadoop.hdfs.RemoteBlockReader2.readTrailingEmptyPacket(RemoteBlockReader2.java:259) > at > org.apache.hadoop.hdfs.RemoteBlockReader2.readNextPacket(RemoteBlockReader2.java:220) > at > org.apache.hadoop.hdfs.RemoteBlockReader2.read(RemoteBlockReader2.java:138) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.copyBlock(NamenodeFsck.java:649) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.copyBlocksToLostFound(NamenodeFsck.java:543) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.check(NamenodeFsck.java:460) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.check(NamenodeFsck.java:324) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.fsck(NamenodeFsck.java:233) > at > org.apache.hadoop.hdfs.server.namenode.FsckServlet$1.run(FsckServlet.java:67) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at > org.apache.hadoop.hdfs.server.namenode.FsckServlet.doGet(FsckServlet.java:58) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221) > at > org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1192) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) > at > org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) > at > org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) > at > org.mortbay.jetty.servlet.ServletHandler$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) > 2014-06-11 15:48:16,992 ERROR > org.apache.hadoop.hdfs.server.namenode.NameNode: Fsck: could not copy block > BP-654596295-10.37.7.84-1402466764642:blk_1073741825_1001 to > /lost+found/user/hadoop/fsck-test > java.lang.Exception: Could not copy block data for > BP-654596295-10.37.7.84-1402466764642:blk_1073741825_1001 > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.copyBlock(NamenodeFsck.java:664) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.copyBlocksToLostFound(NamenodeFsck.java:543) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.check(NamenodeFsck.java:460) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.check(NamenodeFsck.java:324) > at > org.apache.hadoop.hdfs.server.namenode.NamenodeFsck.fsck(NamenodeFsck.java:233) > at > org.apache.hadoop.hdfs.server.namenode.FsckServlet$1.run(FsckServlet.java:67) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at > org.apache.hadoop.hdfs.server.namenode.FsckServlet.doGet(FsckServlet.java:58) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221) > at > org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1192) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) > at > org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) > at > org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45) > at > org.mortbay.jetty.servlet.ServletHandler$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) > 2014-06-11 15:48:16,994 INFO org.apache.hadoop.hdfs.StateChange: DIR* > completeFile: /lost+found/user/hadoop/fsck-test/0 is closed by > DFSClient_NONMAPREDUCE_-774755866_14 > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)