[jira] [Created] (PIG-4494) Pig's htrace version conflicts with that of hadoop 2.6.0

["Jeff Zhang (JIRA)" <ji...@apache.org>]

Jeff Zhang created PIG-4494:
-------------------------------

             Summary: Pig's htrace version conflicts with that of hadoop 2.6.0
                 Key: PIG-4494
                 URL: https://issues.apache.org/jira/browse/PIG-4494
             Project: Pig
          Issue Type: Bug
            Reporter: Jeff Zhang


Pig is using htrace-2.0 while hadoop-2.6.0 is using 3.0.4. htrace 3.04 has refactor its package layout which is total incompatible with htrace 2.0
{code}
Exception in thread "main" java.lang.NoClassDefFoundError: org/htrace/Trace
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:214)
	at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
	at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1988)
	at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118)
	at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114)
	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1400)
	at org.apache.pig.backend.hadoop.datastorage.HDataStorage.isContainer(HDataStorage.java:200)
	at org.apache.pig.backend.hadoop.datastorage.HDataStorage.asElement(HDataStorage.java:128)
	at org.apache.pig.backend.hadoop.datastorage.HDataStorage.asElement(HDataStorage.java:138)
	at org.apache.pig.parser.QueryParserUtils.getCurrentDir(QueryParserUtils.java:91)
	at org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:910)
	at org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3569)
	at org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1626)
	at org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:1103)
	at org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:561)
	at org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:422)
	at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:191)
	at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1735)
	at org.apache.pig.PigServer$Graph.access$0(PigServer.java:1722)
	at org.apache.pig.PigServer.parseAndBuild(PigServer.java:387)
	at org.apache.pig.PigServer.executeBatch(PigServer.java:412)
	at org.apache.pig.PigServer.executeBatch(PigServer.java:398)
	at pig.PigExample.main(PigExample.java:59)
Caused by: java.lang.ClassNotFoundException: org.htrace.Trace
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 33 more

{code}



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