[ https://issues.apache.org/jira/browse/PIG-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Richard Ding updated PIG-1651: ------------------------------ Attachment: PIG-1651.patch > PIG class loading mishandled > ---------------------------- > > Key: PIG-1651 > URL: https://issues.apache.org/jira/browse/PIG-1651 > Project: Pig > Issue Type: Bug > Affects Versions: 0.8.0 > Reporter: Yan Zhou > Assignee: Richard Ding > Fix For: 0.8.0 > > Attachments: PIG-1651.patch > > > If just having zebra.jar as being registered in a PIG script but not in the > CLASSPATH, the query using zebra fails since there appear to be multiple > classes loaded into JVM, causing static variable set previously not seen > after one instance of the class is created through reflection. (After the > zebra.jar is specified in CLASSPATH, it works fine.) The exception stack is > as follows: > ackend error message during job submission > ------------------------------------------- > org.apache.pig.backend.executionengine.ExecException: ERROR 2118: Unable to > create input splits for: hdfs://hostname/pathto/zebra_dir :: null > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:284) > at > org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:907) > at > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:801) > at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:752) > at org.apache.hadoop.mapred.jobcontrol.Job.submit(Job.java:378) > at > org.apache.hadoop.mapred.jobcontrol.JobControl.startReadyJobs(JobControl.java:247) > at > org.apache.hadoop.mapred.jobcontrol.JobControl.run(JobControl.java:279) > at java.lang.Thread.run(Thread.java:619) > Caused by: java.lang.NullPointerException > at > org.apache.hadoop.zebra.io.ColumnGroup.getNonDataFilePrefix(ColumnGroup.java:123) > at > org.apache.hadoop.zebra.io.ColumnGroup$CGPathFilter.accept(ColumnGroup.java:2413) > at > org.apache.hadoop.zebra.mapreduce.TableInputFormat$DummyFileInputFormat$MultiPathFilter.accept(TableInputFormat.java:718) > at > org.apache.hadoop.fs.FileSystem$GlobFilter.accept(FileSystem.java:1084) > at > org.apache.hadoop.fs.FileSystem.globStatusInternal(FileSystem.java:919) > at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:866) > at > org.apache.hadoop.zebra.mapreduce.TableInputFormat$DummyFileInputFormat.listStatus(TableInputFormat.java:780) > at > org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:246) > at > org.apache.hadoop.zebra.mapreduce.TableInputFormat.getRowSplits(TableInputFormat.java:863) > at > org.apache.hadoop.zebra.mapreduce.TableInputFormat.getSplits(TableInputFormat.java:1017) > at > org.apache.hadoop.zebra.mapreduce.TableInputFormat.getSplits(TableInputFormat.java:961) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:269) > ... 7 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.