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Posted to yarn-issues@hadoop.apache.org by "AppChecker (JIRA)" <ji...@apache.org> on 2017/02/28 22:15:46 UTC
[jira] [Created] (YARN-6252) Suspicious code fragments: comparing
with itself
AppChecker created YARN-6252:
--------------------------------
Summary: Suspicious code fragments: comparing with itself
Key: YARN-6252
URL: https://issues.apache.org/jira/browse/YARN-6252
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 3.0.0-alpha2
Reporter: AppChecker
Hi
1)
https://github.com/apache/hadoop/blob/235203dffda1482fb38762fde544c4dd9c3e1fa8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ReservationId.java#L106
{code:java}
return getId() > getId() ? 1 : getId() < getId() ? -1 : 0;
{code}
strangely, than getId() compare with itself
Probably It should be something like this:
{code:java}
return this.getId() > other.getId() ? 1 : this.getId() < other.getId() ? -1 : 0;
{code}
2) https://github.com/apache/hadoop/blob/235203dffda1482fb38762fde544c4dd9c3e1fa8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/TestAppLogAggregatorImpl.java#L260
{code:java}
if(filesUploaded.size() != filesUploaded.size()) {
fail(errMsgPrefix + ": actual size: " + filesUploaded.size() + " vs " +
"expected size: " + filesExpected.size());
}
{code}
filesUploaded.size() compare with it self
probably it should be:
{code:java}
if(filesUploaded.size() != filesExpected.size()) {
fail(errMsgPrefix + ": actual size: " + filesUploaded.size() + " vs " +
"expected size: " + filesExpected.size());
}
{code}
These possible defects found by [static code analyzer AppChecker|https://cnpo.ru/en/solutions/appchecker.php]
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