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https://issues.apache.org/jira/browse/ARTEMIS-1400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161464#comment-16161464
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Timothy Bish commented on ARTEMIS-1400:
---------------------------------------
I recommend closing this as resolved and if you see further bugs that appear to
be real issues to open new issues for them otherwise this issue will sit open
forever and not track with correct release information.
> FindBugs warnings
> -----------------
>
> Key: ARTEMIS-1400
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1400
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Jiri Danek
> Priority: Minor
> Attachments:
> findbugs-3.0.1_apache-artemis-2.4.0-20170906.150547-13-bin.html
>
>
> Inspired by PROTON-1572, I am raising similar Jira for FindBugs issues in
> Artemis. The best way to get at an up-to-date list is probably either just
> run FindBugs (there are IDE plugins for ease of use) or look into Coverity
> Scan results. As far as I know, anybody who requests access to Artemis
> Coverity issues will promptly get it.
> I noticed these two issues there, which prompted me to raise this Jira, but
> there is more. Probably not serious, the dead code certainly, the other one
> probably, but something that should be eventually fixed.
> NetworkHealthCheck.java
> https://scan7.coverity.com/reports.htm#v10043/p14213/fileInstanceId=33820734&defectInstanceId=7426786&mergedDefectId=1455416
> {noformat}
> 375 private void readStream(InputStream stream, boolean error) throws
> IOException {
> CID 1418794: Dm: Dubious method used (FB.DM_DEFAULT_ENCODING) [select
> issue]
> 376 BufferedReader reader = new BufferedReader(new
> InputStreamReader(stream));
> 377
> 378 String inputLine;
> cond_notnull: Condition (inputLine = reader.readLine()) != null, taking
> true branch. Now the value of inputLine is not null.
> 379 while ((inputLine = reader.readLine()) != null) {
> 380 if (error) {
> notnull: At condition inputLine == null, the value of inputLine cannot
> be null.
> dead_error_condition: The condition inputLine == null cannot be true.
>
> CID 1455416: Logically dead code (DEADCODE)
> dead_error_line: Execution cannot reach the expression " " inside this
> statement: org.apache.activemq.artemis....
> 381 ActiveMQUtilLogger.LOGGER.failedToReadFromStream(inputLine ==
> null ? " " : inputLine);
> 382 } else {
> 383 logger.trace(inputLine);
> 384 }
> 385 }
> 386
> 387 reader.close();
> 388 }
> {noformat}
> ActiveMQFilterPredicate.java
> https://scan7.coverity.com/reports.htm#v10043/p14213/fileInstanceId=33820887&defectInstanceId=7427212&mergedDefectId=1455392
> {noformat}
> 100 private boolean contains(Object field, Object value) {
> 101 if (field == null) {
> deref: Directly dereferencing value.
>
> CID 1455401: Dereference before null check (REVERSE_INULL)
> check_after_deref: Null-checking value suggests that it may be null, but it
> has already been dereferenced on all paths leading to the check.
> 102 return (value.equals("") || value == null);
> 103 }
> 104 return field.toString().contains(value.toString());
> 105 }
> {noformat}
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