Ted Yu created HDFS-7101: ---------------------------- Summary: Potential null dereference in DFSck#doWork() Key: HDFS-7101 URL: https://issues.apache.org/jira/browse/HDFS-7101 Project: Hadoop HDFS Issue Type: Bug Reporter: Ted Yu Priority: Minor
{code} String lastLine = null; int errCode = -1; try { while ((line = input.readLine()) != null) { ... if (lastLine.endsWith(NamenodeFsck.HEALTHY_STATUS)) { errCode = 0; {code} If readLine() throws exception, lastLine may be null, leading to NPE. -- This message was sent by Atlassian JIRA (v6.3.4#6332)