Xiaoyu Yao created HDFS-8179: -------------------------------- Summary: DFSClient#getServerDefaults returns within 1 hour of NN start Key: HDFS-8179 URL: https://issues.apache.org/jira/browse/HDFS-8179 Project: Hadoop HDFS Issue Type: Bug Reporter: Xiaoyu Yao Assignee: Xiaoyu Yao
We recently hit NPE during Ambari Oozie service check. The failed hdfs command is below. It repros sometimes and then go away after the cluster runs for a while. {code} [ambari-qa@c6401 ~]$ hadoop --config /etc/hadoop/conf fs -rm -r /user/ambari-qa/mapredsmokeoutput rm: Failed to get server trash configuration: null. Consider using -skipTrash option {code} With additional tracing, the failure was located to the following stack. {code} 15/04/17 20:57:12 DEBUG fs.Trash: Failed to get server trash configuration java.lang.NullPointerException at org.apache.hadoop.fs.Trash.moveToAppropriateTrash(Trash.java:86) at org.apache.hadoop.fs.shell.Delete$Rm.moveToTrash(Delete.java:117) at org.apache.hadoop.fs.shell.Delete$Rm.processPath(Delete.java:104) at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:321) at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:293) at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:275) at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:259) at org.apache.hadoop.fs.shell.Command.processRawArguments(Command.java:205) at org.apache.hadoop.fs.shell.Command.run(Command.java:166) at org.apache.hadoop.fs.FsShell.run(FsShell.java:287) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) at org.apache.hadoop.fs.FsShell.main(FsShell.java:340) rm: Failed to get server trash configuration: null. Consider using -skipTrash option {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)