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From manua <agarwal.m...@gmail.com>
Subject Re: Java Client hangs after around 2 min
Date Wed, 07 Jul 2010 17:53:26 GMT

Hi,

I am using Hbase version 0.20.5.

Also, I am running both the server on client on the same box. Please find
below the other log snippets,

Log File : hbase-manu-regionserver-domU-12-31-39-06-62-43.log

Wed Jul  7 13:42:17 EDT 2010 Starting regionserver on domU-12-31-39-06-62-43
ulimit -n 1024
2010-07-07 13:42:18,222 WARN
org.apache.hadoop.hbase.regionserver.HRegionServer: Not starting a distinct
region server because hbase.cluster.distributed is false

Files hbase-manu-zookeeper-domU-12-31-39-06-62-43.out and
hbase-manu-regionserver-domU-12-31-39-06-62-43.out are blank.

File:hbase-manu-zookeeper-domU-12-31-39-06-62-43.log

2010-07-07 13:42:15,799 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server
environment:java.library.path=/home/manu/hbase/hbase-0.20.5/bin/../lib/native/Linux-i386-32
2010-07-07 13:42:15,799 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:java.io.tmpdir=/tmp
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:java.compiler=<NA>
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:os.name=Linux
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:os.arch=i386
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:os.version=2.6.21.7-2.ec2.v1.2.fc8xen
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:user.name=manu
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:user.home=/home/manu
2010-07-07 13:42:15,800 INFO org.apache.zookeeper.server.ZooKeeperServer:
Server environment:user.dir=/home/manu/hbase/hbase-0.20.5
2010-07-07 13:42:15,843 INFO
org.apache.zookeeper.server.persistence.FileSnap: Reading snapshot
/home/_hbase_/hbase-manu/zookeeper/version-2/snapshot.170
2010-07-07 13:42:15,879 INFO
org.apache.zookeeper.server.persistence.FileTxnSnapLog: Snapshotting: 17f
2010-07-07 13:42:17,090 INFO org.apache.zookeeper.server.NIOServerCnxn:
Connected to /127.0.0.1:36319 lastZxid 0
2010-07-07 13:42:17,091 INFO org.apache.zookeeper.server.NIOServerCnxn:
Creating new session 0x129ae00344b0000
2010-07-07 13:42:17,169 INFO org.apache.zookeeper.server.NIOServerCnxn:
Finished init of 0x129ae00344b0000 valid:true
2010-07-07 13:42:17,258 INFO org.apache.zookeeper.server.NIOServerCnxn:
Connected to /127.0.0.1:36320 lastZxid 0
2010-07-07 13:42:17,258 INFO org.apache.zookeeper.server.NIOServerCnxn:
Creating new session 0x129ae00344b0001
2010-07-07 13:42:17,263 INFO org.apache.zookeeper.server.NIOServerCnxn:
Finished init of 0x129ae00344b0001 valid:true
2010-07-07 13:42:18,437 WARN
org.apache.zookeeper.server.PrepRequestProcessor: Got exception when
processing sessionid:0x129ae00344b0000 type:create cxid:0xd
zxid:0xfffffffffffffffe txntype:unknown n/a
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists
        at
org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:245)
        at
org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:114)
2010-07-07 13:44:02,841 INFO org.apache.zookeeper.server.NIOServerCnxn:
Connected to /127.0.0.1:36325 lastZxid 0
2010-07-07 13:44:02,841 INFO org.apache.zookeeper.server.NIOServerCnxn:
Creating new session 0x129ae00344b0002
2010-07-07 13:44:02,850 INFO org.apache.zookeeper.server.NIOServerCnxn:
Finished init of 0x129ae00344b0002 valid:true
2010-07-07 13:46:05,328 INFO
org.apache.zookeeper.server.PrepRequestProcessor: Processed session
termination request for id: 0x129ae00344b0001
2010-07-07 13:46:05,344 INFO org.apache.zookeeper.server.NIOServerCnxn:
closing session:0x129ae00344b0001 NIOServerCnxn:
java.nio.channels.SocketChannel[connected local=/127.0.0.1:2181
remote=/127.0.0.1:36320]

File : hbase-manu-master-domU-12-31-39-06-62-43.out

java.io.IOException: Cannot run program "chmod": java.io.IOException:
error=12, Cannot allocate memory
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
        at org.apache.hadoop.util.Shell.runCommand(Shell.java:149)
        at org.apache.hadoop.util.Shell.run(Shell.java:134)
        at
org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:286)
        at org.apache.hadoop.util.Shell.execCommand(Shell.java:354)
        at org.apache.hadoop.util.Shell.execCommand(Shell.java:337)
        at
org.apache.hadoop.fs.RawLocalFileSystem.execCommand(RawLocalFileSystem.java:481)
        at
org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:473)
        at
org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:280)
        at
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:372)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:484)
        at
org.apache.hadoop.io.SequenceFile$Writer.<init>(SequenceFile.java:843)
        at
org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:393)
        at
org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:284)
        at org.apache.hadoop.hbase.regionserver.HLog$1.run(HLog.java:1055)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: java.io.IOException: error=12, Cannot
allocate memory
        at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
        at java.lang.ProcessImpl.start(ProcessImpl.java:65)
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
        ... 17 more

Please let me know your inputs.

Thanks,
Manu

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