[Bug 63620] jmeter GUI hangs

[bu...@apache.org]

https://bz.apache.org/bugzilla/show_bug.cgi?id=63620

Philippe Mouawad <p....@ubik-ingenierie.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |p.mouawad@ubik-ingenierie.c
                   |                            |om
                 OS|                            |All
             Status|NEW                         |NEEDINFO

--- Comment #1 from Philippe Mouawad <p....@ubik-ingenierie.com> ---
(In reply to Frederic Girard from comment #0)
> Hello, while doing a simple HTTP test, I notice that jmeter GUI freezes
> everytimes.
> Jmeter log shows that the test finishes normally, no error reported, but the
> GUI is frozen.
> 
> One of these requests' responses is huge (~7 MB), i think that's the reason
> of the freeze. I thought it was caused by the "result tree view", but the
> GUI hangs even if this listener is disabled.
> 
> When I enable the "save response as MD5 hash", the GUI does not hang, but I
> can no more use response assertions...
> 
> FYI, I'm working in GUI mode only while creating/debugging scripts, and I
> work with a 768 MB heap.
> 
> Is there any way to prevent this freeze ?

Hello,
1/ When does the freeze happen exactly ?
2/ Could you provide the response of 7MB, or confirm what it contains does not
contain spaces ? Is it textual ?
3/ When it freezes can you try doing 3 consecutive thread dumps at 5s interval
(use jstack) ?
4/ Could you enable verbose gc by removing rem from line 154 of jmeter.bat :

rem set VERBOSE_GC=-verbose:gc -Xloggc:gc_jmeter_%%p.log -XX:+PrintGCDetails
-XX:+PrintGCCause -XX:+PrintTenuringDistribution -XX:+PrintHeapAtGC
-XX:+PrintGCApplicationConcurrentTime -XX:+PrintGCApplicationStoppedTime
-XX:+PrintGCDateStamps -XX:+PrintAdaptiveSizePolicy 
and provide gc_jmeter_XXX.log generated ?

Thank you

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