[Bug 60428] New: JMeter Backend Listener show exception when test ended

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=60428

            Bug ID: 60428
           Summary: JMeter Backend Listener show exception when test ended
           Product: JMeter
           Version: 3.1
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: Main
          Assignee: issues@jmeter.apache.org
          Reporter: liu_xp2003@sina.com
  Target Milestone: ---

Steps:
1. Create JMeter test script with default Backend Listener.
2. Set correct graphiteHost,graphitePort,rootMetricsPrefix and samplersList.
3. Change useRegexpForSamplersList to true.
4. Run the test script.

Result:
We can see exception like below:
2016/11/29 11:01:19 WARN  - jmeter.engine.StandardJMeterEngine: Error
encountered during shutdown of
org.apache.jmeter.visualizers.backend.BackendListener@2b1f1961
java.lang.IllegalStateException: Failed calling teardownTest
        at
org.apache.jmeter.visualizers.backend.BackendListener.testEnded(BackendListener.java:384)
        at
org.apache.jmeter.visualizers.backend.BackendListener.testEnded(BackendListener.java:392)
        at
org.apache.jmeter.engine.StandardJMeterEngine.notifyTestListenersOfEnd(StandardJMeterEngine.java:216)
        at
org.apache.jmeter.engine.StandardJMeterEngine.run(StandardJMeterEngine.java:437)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
        at
org.apache.jmeter.visualizers.backend.graphite.GraphiteBackendListenerClient.teardownTest(GraphiteBackendListenerClient.java:327)
        at
org.apache.jmeter.visualizers.backend.BackendListener.testEnded(BackendListener.java:382)
        ... 4 more


This is issue should be bring with the Bug 59099 fixed at 9 month ago.
Bug 59099 - Backend listener : Add the possibility to consider samplersList as
a Regular Expression

I fixed this issue by changing code temporary.
org.apache.jmeter.visualizers.backend.graphite.GraphiteBackendListenerClient
move line 304 "samplersToFilter = new HashSet<>();" after line 301

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[Bug 60428] JMeter Backend Listener show exception when test ended

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=60428

--- Comment #1 from Liu XP <li...@sina.com> ---
mistake!
Move line 304 "samplersToFilter = new HashSet<>();" after line 299

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[Bug 60428] JMeter Backend Listener show exception when test ended

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=60428

Felix Schumacher <fe...@internetallee.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Felix Schumacher <fe...@internetallee.de> ---
Thanks for your contribution. 

I chose a slightly different approach by checking for null instead of
initialising the collection, though.

Date: Tue Nov 29 20:10:27 2016
New Revision: 1771952

URL: http://svn.apache.org/viewvc?rev=1771952&view=rev
Log:
JMeter Graphite Backend Listener throws exception when test ends
and useRegexpForSamplersList is set to true.
Based on patch by Liu XP (liu_xp2003 at sina.com)

Bugzilla Id: 60428

Modified:
   
jmeter/trunk/src/components/org/apache/jmeter/visualizers/backend/graphite/GraphiteBackendListenerClient.java
    jmeter/trunk/xdocs/changes.xml

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