dev@grizzly.java.net

Re: TCPSelectorHandler$1 leaking

From: Oleksiy Stashok <Oleksiy.Stashok_at_Sun.COM>
Date: Thu, 25 Jun 2009 18:21:30 +0200

>> Hi Scott,
>>> Sure thing, but I'm slightly confused by the wording -- do I need
>>> to get the new source and build, or is the latest snapshot
>>> download already built from the new source?
>> To be sure, I'll prefer to try from sources, because snapshots
>> could be produced with delays, and hudson is not so stable.
>
> Alexey, I saw your commit...that will for sure fix the issue, but we
> also need to find why we leak so bad when the pending I/O is
> executed by the thread pool. I suspect this could be related to our
> thread-count number (and all the issue we are observing right now
> with Executors ;-))
I'm even not sure there is some leak, because during stress test we
may load Thread-pool so hard, that it executes pending tasks slower,
than we add them. So the number of tasks continuesly grows.

WBR,
Alexey.

>
> A+
>
> - Jeanfrancois
>
>
>> Thank you.
>> WBR,
>> Alexey.
>>>
>>> -Scott
>>>
>>> On 06/25/09 11:05, Oleksiy Stashok wrote:
>>>> Hi Scott,
>>>> can you pls. try the latest 1.9.17 SNAPSHOT built from sources?
>>>> Thank you.
>>>> WBR,
>>>> Alexey.
>>>> On Jun 24, 2009, at 0:48 , Jeanfrancois Arcand wrote:
>>>>> Ok Fixed. But I doubt the issue is fixed as that code didn't
>>>>> change. I will take a look Thursday (Holiday here :-))
>>>>>
>>>>> A+
>>>>>
>>>>> -- Jeanfrancois
>>>>>
>>>>> Jeanfrancois Arcand wrote:
>>>>>> Salut,
>>>>>> Scott Oaks wrote:
>>>>>>> Well, so much for OSGi replacements being easy...with 1.9.17
>>>>>>> SNAPSHOT jars, I get
>>>>>>>
>>>>>>> java.lang.NullPointerException
>>>>>>> at
>>>>>>> com
>>>>>>> .sun
>>>>>>> .grizzly
>>>>>>> .http.SelectorThread.getPortLowLevel(SelectorThread.java:1267)
>>>>>>> at
>>>>>>> com
>>>>>>> .sun.grizzly.http.SelectorThread.getPort(SelectorThread.java:
>>>>>>> 1271) at
>>>>>>> com
>>>>>>> .sun
>>>>>>> .grizzly
>>>>>>> .config
>>>>>>> .GrizzlyServiceListener.getPort(GrizzlyServiceListener.java:134)
>>>>>>> at
>>>>>>> com
>>>>>>> .sun
>>>>>>> .enterprise
>>>>>>> .v3.services.impl.GrizzlyProxy.start(GrizzlyProxy.java:222)
>>>>>>> at
>>>>>>> com
>>>>>>> .sun
>>>>>>> .enterprise
>>>>>>> .v3
>>>>>>> .services
>>>>>>> .impl.GrizzlyService.createNetworkProxy(GrizzlyService.java:368)
>>>>>>> at
>>>>>>> com
>>>>>>> .sun
>>>>>>> .enterprise
>>>>>>> .v3
>>>>>>> .services
>>>>>>> .impl.GrizzlyService.postConstruct(GrizzlyService.java:281)
>>>>>>>
>>>>>>> Should I try 1.9.16?
>>>>>> hum....1.9.16 suffer many issues. I will fix this regression
>>>>>> ASAP.
>>>>>> Thanks
>>>>>> -- Jeanfrancois
>>>>>>>
>>>>>>> -Scott
>>>>>>>
>>>>>>> On 06/23/09 13:28, Jeanfrancois Arcand wrote:
>>>>>>>> Salut,
>>>>>>>>
>>>>>>>> Scott Oaks wrote:
>>>>>>>>> In our glassfish tests, we are seeing enormous numbers of
>>>>>>>>> TCPSelectorHandler$1 objects that are leaking and causing GC
>>>>>>>>> issues.
>>>>>>>>>
>>>>>>>>> I dimly recall that we had already seen this issue and fixed
>>>>>>>>> it, but I may be misremembering, and I can't find an email
>>>>>>>>> thread about it.
>>>>>>>>>
>>>>>>>>> If it is fixed, maybe it is just a versioning error, as
>>>>>>>>> glassfish is still using grizzly 1.9.15a.
>>>>>>>>
>>>>>>>> Can you try 1.9.17-SNAPSHOT? I will take a look. Just replace
>>>>>>>> the http, util and framework jars.
>>>>>>>>
>>>>>>>> A+
>>>>>>>>
>>>>>>>> -- jeanfrancois
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>> -Scott
>>>>>>>>>
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