Hi Hao, Have look over https://issues.apache.org/jira/browse/HADOOP-13811?focusedCommentId=15703276&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15703276
What version of Hadoop are you using? Could you provide classpath used by Flink Job Manager, it is present in jobmanager.log file. -- Cheers, Amit
