Hello people,
I am new to pig.
Currently I am using hadoop and hbase together.
Since hadoop-0.20-append supports Hbase in production, so currently I am
using hadoop 0.20-append jar files.
Now I am interested to use pig which supports 0.20-append version.
I am trying to use pig 0.8, but it seems not to be working.
Whenever I am trying to run pig in map-reduce mode, it is giving me
Error:2999.
Here is output of my log file.
hadoop@ub13:/usr/local/pig/bin$ pig
2011-07-01 17:41:52,150 [main] INFO org.apache.pig.Main - Logging error
messages to: /usr/local/pig/bin/pig_1309522312144.log
2011-07-01 17:41:52,454 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting
to hadoop file system at: hdfs://ub13:54310
2011-07-01 17:41:52,654 [main] ERROR org.apache.pig.Main - ERROR 2999:
Unexpected internal error. Failed to create DataStorage
LOG MESSAGE -----
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.(HExecutionEngine.java:214)
at
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.init(HExecutionEngine.java:134)
at org.apache.pig.impl.PigContext.connect(PigContext.java:183)
at org.apache.pig.PigServer.(PigServer.java:215)
at org.apache.pig.tools.grunt.Grunt.(Main.java:452)
at org.apache.pig.Main.main(Main.java:107)
Caused by: org.apache.hadoop.ipc.RPC$VersionMismatch: Protocol
org.apache.hadoop.hdfs.protocol.ClientProtocol version mismatch. (client =
41, server = 43)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:364)
at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106)
at org.apache.hadoop.hdfs.DFSClient.(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)
... 9 more
================================================================================
I guess the problem is the version mismatch between the hadoop-append-core
jar files that my hadoop/hbase clusters is using currently and the
hadoop-core jar files that pig is using.Anyone faced any similar kind of
issue ?
On the documentation website... its written requirement for pig 0.8 as
hadoop-0.20.2, but the problem is I want to use my hadoop and hbase along
with pig also.
Any suggestions.. how to resolve this issue..!!