[HDFS-7305] NPE seen in wbhdfs FS while running SLive

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.6.0
• Component/s: webhdfs
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Arpit Gupta
• Created: 29/Oct/14 19:48
• Updated: 01/Dec/14 03:11
• Resolved: 29/Oct/14 23:31

Description

2014-10-23 10:22:49,066 WARN [main] org.apache.hadoop.mapred.Task: Task status: "Failed at running due to java.lang.NullPointerException
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:358)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:91)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.connect(WebHdfsFileSystem.java:529)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:605)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:458)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:487)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:483)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.append(WebHdfsFileSystem.java:1154)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1163)
	at org.apache.hadoop.fs.slive.AppendOp.run(AppendOp.java:80)
	at org.apache.hadoop.fs.slive.ObserveableOp.run(ObserveableOp.java:63)
	at org.apache.hadoop.fs.slive.SliveMapper.runOperation(SliveMapper.java:122)
	at org.apache.hadoop.fs.slive.SliveMapper.map(SliveMapper.java:168)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:450)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
" truncated to max limit (512 characters)

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