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From felix gao <gre1...@gmail.com>
Subject Re: Strange problem with Pig 0.7.0 and Hadoop 0.20.2 and Failed to create DataStorage
Date Fri, 10 Dec 2010 16:58:31 GMT
Daniel,

No, I am using 0.20.2 from Cloudera.
here is all the jar under pig's lib
$ ls ~/pig-0.7.0/lib
automaton.jar  hadoop-LICENSE.txt  hadoop-lzo.jar  hadoop18.jar
 hadoop20.jar  hbase-0.20.0-test.jar  hbase-0.20.0.jar  jdiff
 zookeeper-hbase-1329.jar

$ ls $HADOOP_HOME
CHANGES.txt  build.xml      hadoop-0.20.2+737-ant.jar
hadoop-ant-0.20.2+737.jar       hadoop-examples.jar          ivy
 webapps
LICENSE.txt  cloudera       hadoop-0.20.2+737-core.jar      hadoop-ant.jar
               hadoop-test-0.20.2+737.jar   ivy.xml
NOTICE.txt   conf           hadoop-0.20.2+737-examples.jar
 hadoop-core-0.20.2+737.jar      hadoop-test.jar              lib
README.txt   contrib        hadoop-0.20.2+737-test.jar      hadoop-core.jar
                hadoop-tools-0.20.2+737.jar  logs
bin          example-confs  hadoop-0.20.2+737-tools.jar
hadoop-examples-0.20.2+737.jar  hadoop-tools.jar             pids


$ ls  $HADOOP_HOME/lib
aspectjrt-1.6.5.jar           commons-logging-api-1.0.4.jar
 jackson-mapper-asl-1.5.2.jar  junit-4.5.jar
servlet-api-2.5-6.1.14.jar
aspectjtools-1.6.5.jar        commons-net-1.4.1.jar
 jasper-compiler-5.5.12.jar    kfs-0.2.2.jar
slf4j-api-1.4.3.jar
commons-cli-1.2.jar           core-3.1.1.jar
jasper-runtime-5.5.12.jar     kfs-0.2.LICENSE.txt
slf4j-log4j12-1.4.3.jar
commons-codec-1.4.jar         hadoop-fairscheduler-0.20.2+737.jar  jdiff
                    log4j-1.2.15.jar                    xmlenc-0.52.jar
commons-daemon-1.0.1.jar      hadoop-lzo-0.4.6.jar
jets3t-0.6.1.jar              mockito-all-1.8.2.jar
commons-el-1.0.jar            hsqldb-1.8.0.10.LICENSE.txt
 jetty-6.1.14.jar              mysql-connector-java-5.0.8-bin.jar
commons-httpclient-3.0.1.jar  hsqldb-1.8.0.10.jar
 jetty-util-6.1.14.jar         native
commons-logging-1.0.4.jar     jackson-core-asl-1.5.2.jar           jsp-2.1
                    oro-2.0.8.jar

please tell me how to get this working with pig

Thanks,

Felix






On Fri, Dec 10, 2010 at 12:20 AM, Daniel Dai <daijyc@gmail.com> wrote:

> Looks like hadoop client jar does not match the version of server side. Are
> you using hadoop 0.20.2 from Apache?
>
> Daniel
>
> -----Original Message----- From: felix gao
> Sent: Thursday, December 09, 2010 5:48 PM
> To: pig-user@hadoop.apache.org
> Subject: Strange problem with Pig 0.7.0 and Hadoop 0.20.2 and Failed to
> create DataStorage
>
>
> I kept seening Failed to create DataStroage error when try to run pig
>
> $ java -cp pig-0.7.0-core.jar:$HADOOP_CONF_DIR org.apache.pig.Main -x
> mapreduce
> 10/12/09 20:35:31 INFO pig.Main: Logging error messages to:
> /home/testpig/pig-0.7.0/pig_1291944931735.log
> 2010-12-09 20:35:31,997 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting
> to hadoop file system at: hdfs://localhost:8020
> 2010-12-09 20:35:32,333 [main] ERROR org.apache.pig.Main - ERROR 2999:
> Unexpected internal error. Failed to create DataStorage
>
> $ cat pig_1291944931735.log
> Error before Pig is launched
> ----------------------------
> ERROR 2999: Unexpected internal error. Failed to create DataStorage
>
> java.lang.RuntimeException: Failed to create DataStorage
> at
>
> org.apache.pig.backend.hadoop.datastorage.HDataStorage.init(HDataStorage.java:75)
> at
>
> org.apache.pig.backend.hadoop.datastorage.HDataStorage.<init>(HDataStorage.java:58)
> at
>
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.init(HExecutionEngine.java:216)
> at
>
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.init(HExecutionEngine.java:126)
> at org.apache.pig.impl.PigContext.connect(PigContext.java:184)
> at org.apache.pig.PigServer.<init>(PigServer.java:184)
> at org.apache.pig.PigServer.<init>(PigServer.java:173)
> at org.apache.pig.tools.grunt.Grunt.<init>(Grunt.java:54)
> at org.apache.pig.Main.main(Main.java:354)
> Caused by: java.io.IOException: Call to localhost/127.0.0.1:8020 failed on
> local exception: java.io.EOFException
> at org.apache.hadoop.ipc.Client.wrapException(Client.java:775)
> at org.apache.hadoop.ipc.Client.call(Client.java:743)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
> at $Proxy0.getProtocolVersion(Unknown Source)
> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)
> at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106)
> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:207)
> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:170)
> at
>
> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:82)
> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378)
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:95)
> at
>
> org.apache.pig.backend.hadoop.datastorage.HDataStorage.init(HDataStorage.java:72)
> ... 8 more
> Caused by: java.io.EOFException
> at java.io.DataInputStream.readInt(DataInputStream.java:375)
> at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:501)
> at org.apache.hadoop.ipc.Client$Connection.run(Client.java:446)
>
> if I ran java -cp pig-0.7.0-core.jar org.apache.pig.Main -x mapreduce
> command, I can atleast see the grunt shell.
>
> However, when using hadoop commands
> $ hadoop fs -ls
> Found 1 items
> -rw-r--r--   1 testpig supergroup     454557 2010-12-09 19:31
> /user/testpig/access_log.2010-08-30-23-01.lzo
>
> everything seems to be fine connecting to hdfs.
>
> My environment have the following settings
> PIG_HOME=/home/testpig/pig-0.7.0
> HADOOP_HOME=/usr/lib/hadoop-0.20    (cloudera distribution)
> HADOOP_CONF_DIR=/usr/lib/hadoop-0.20/conf
> JAVA_HOME=/usr/java/default
>
> pig-env.sh have the following setting
> export PIG_OPTS="$PIG_OPTS
> -Djava.library.path=$HADOOP_HOME/lib/native/Linux-amd64-64"
> export
>
> PIG_CLASSPATH=$PIG_CLASSPATH:/home/testpig/hadoop-lzo.jar:/home/testpig/elephant-bird.jar:/home/testpig/elephant-bird/lib/*
> export PIG_HADOOP_VERSION=20
>
>
> What is going on there?
>
> Thanks a lot.
>
> Felix
>

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