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Hadoop QA commented on HDFS-7101: --------------------------------- \\ \\ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:red}-1{color} | patch | 0m 0s | The patch command could not apply the patch during dryrun. | \\ \\ || Subsystem || Report/Notes || | Patch URL | http://issues.apache.org/jira/secure/attachment/12671192/HDFS-7101_001.patch | | Optional Tests | javadoc javac unit findbugs checkstyle | | git revision | trunk / f1a152c | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/10694/console | This message was automatically generated. > Potential null dereference in DFSck#doWork() > -------------------------------------------- > > Key: HDFS-7101 > URL: https://issues.apache.org/jira/browse/HDFS-7101 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.5.1 > Reporter: Ted Yu > Assignee: skrho > Priority: Minor > Attachments: HDFS-7101_001.patch > > > {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)