Jing Zhao created HADOOP-10489: ---------------------------------- Summary: UserGroupInformation#getTokens and UserGroupInformation#addToken can lead to ConcurrentModificationException Key: HADOOP-10489 URL: https://issues.apache.org/jira/browse/HADOOP-10489 Project: Hadoop Common Issue Type: Bug Reporter: Jing Zhao
Currently UserGroupInformation#getTokens and UserGroupInformation#addToken uses UGI's monitor to protect the iteration and modification of Credentials#tokenMap. Per [discussion|https://issues.apache.org/jira/browse/HADOOP-10475?focusedCommentId=13965851&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13965851] in HADOOP-10475, this can still lead to ConcurrentModificationException. -- This message was sent by Atlassian JIRA (v6.2#6252)