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https://issues.apache.org/jira/browse/HADOOP-14533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16055726#comment-16055726
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Hudson commented on HADOOP-14533:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11893 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11893/])
HADOOP-14533. Size of args cannot be less than zero in TraceAdmin#run as
(brahma: rev 2e9daa2e27536484846d9c5f020c6afaf27932ce)
* (edit)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/TraceAdmin.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
> Size of args cannot be less than zero in TraceAdmin#run as its linkedlist
> -------------------------------------------------------------------------
>
> Key: HADOOP-14533
> URL: https://issues.apache.org/jira/browse/HADOOP-14533
> Project: Hadoop Common
> Issue Type: Bug
> Components: common, tracing
> Affects Versions: 2.6.0
> Reporter: Weisen Han
> Assignee: Weisen Han
> Priority: Trivial
> Fix For: 2.9.0, 3.0.0-alpha4, 2.8.2
>
> Attachments: HADOOP-14533-001.patch, HADOOP-14533-002.patch
>
>
> {code}
> @Override
> public int run(String argv[]) throws Exception {
> LinkedList<String> args = new LinkedList<String>();
> ……
> if (args.size() < 0) {
> System.err.println("You must specify an operation.");
> return 1;
> }
> ……
> }
> {code}
> From the code above, the {{args}} is a linklist obejct, so it cannot be less
> than zero.meaning that code below is wrong
> {code}
> if (args.size() < 0) {
> System.err.println("You must specify an operation.");
> return 1;
> }
> {code}
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