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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10733) Potential null dereference in CredentialShell#promptForCredential()
Date Mon, 14 Jul 2014 11:48:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14060565#comment-14060565

Hadoop QA commented on HADOOP-10733:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common:


    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/4262//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/4262//console

This message is automatically generated.

> Potential null dereference in CredentialShell#promptForCredential()
> -------------------------------------------------------------------
>                 Key: HADOOP-10733
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10733
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Minor
>         Attachments: hadoop-10733-v1.txt
> {code}
>       char[] newPassword1 = c.readPassword("Enter password: ");
>       char[] newPassword2 = c.readPassword("Enter password again: ");
>       noMatch = !Arrays.equals(newPassword1, newPassword2);
>       if (noMatch) {
>         Arrays.fill(newPassword1, ' ');
> {code}
> newPassword1 might be null, leading to NullPointerException in Arrays.fill() call.
> Similar issue for the following call on line 381:
> {code}
>       Arrays.fill(newPassword2, ' ');
> {code}

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