zhaoyunjiong created HADOOP-11234:
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Summary: Potential thread unsafe in NetgroupCache
Key: HADOOP-11234
URL: https://issues.apache.org/jira/browse/HADOOP-11234
Project: Hadoop Common
Issue Type: Bug
Components: security
Reporter: zhaoyunjiong
Assignee: zhaoyunjiong
Priority: Minor
In function getNetgroups:
{code}
if(netgroupToUsersMapUpdated) {
netgroupToUsersMapUpdated = false; // at the beginning to avoid race
{code}
However, netgroupToUsersMapUpdated was not thread safe:
{code}
private static boolean netgroupToUsersMapUpdated = true;
{code}
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