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To: user@cassandra.apache.org
From: Aaron Morton <aaron@thelastpickle.com>
Subject: Re: MessagingServiceMBean does not support o.a.c.concurrent task
 counts
Date: Wed, 29 Sep 2010 22:25:54 GMT
Message-id: <af6ebabc-2605-47dc-cda8-e2aaf9363d31@me.com>
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All good.=A0=0A=0AAnd I learnt the=A0JMXEnabledThreadPoolExecutor register=
s itself as an mbean :)=0A=0AThanks=0AAaron=0A=0A=0AOn 30 Sep, 2010,at 11:=
15 AM, Brandon Williams <driftx@gmail.com> wrote:=0A=0AOn Wed, Sep 29, 201=
0 at 4:37 PM, Aaron Morton <aaron@thelastpickle.com> wrote:=0ARunning the =
current 0.7.0-beta2 #3 build, I get the error below when checking tpstats =
via node_tool.=A0=0A=0AThe MessagingService is registering itself as a mbe=
an in org.apache.cassandra.concurrent, and the MessagingServiceMBean inter=
face does not support the=A0getActiveCount(),=A0getCompletedTasks() and ge=
tPendingTasks() functions of the IExecutorMBean.=A0=0A=0AOut of interest s=
hould it be registering the=A0JMXEnabledThreadPoolExecutor it created on l=
ine 105, or should it be registered elsewhere?=0A=0AUnfortunately, this wa=
s fixed in trunk in the commit made 4s after the one that the build is fro=
m. =A0It's annoying, but not critical enough to re-roll another beta (as y=
ou said, everything still works via JMX.) =A0The GCInspector will also rep=
ort a similar error in the logs when it is activated.=0A=0A-Brandon
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<html><body><div>All good.&nbsp;</div><div><br></div><div>And I learnt the&nbsp;JMXEna=
bledThreadPoolExecutor registers itself as an mbean :)</div><div><br></div=
><div>Thanks</div><div>Aaron</div><div><br><br>On 30 Sep, 2010,at 11:15 AM=
, Brandon Williams &lt;driftx@gmail.com&gt; wrote:<br><br></div><div><bloc=
kquote type=3D"cite"><div><div class=3D"gmail_quote">On Wed, Sep 29, 2010 =
at 4:37 PM, Aaron Morton <span dir=3D"ltr">&lt;<a href=3D"mailto:aaron@the=
lastpickle.com" _mce_href=3D"mailto:aaron@thelastpickle.com">aaron@thelast=
pickle.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" _mce_=
style=3D"margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1e=
x;">=0A=0A<div><div>Running the current 0.7.0-beta2 #3 build, I get the er=
ror below when checking tpstats via node_tool.&nbsp;</div><div><br></div><=
div>The MessagingService is registering itself as a mbean in org.apache.ca=
ssandra.concurrent, and the MessagingServiceMBean interface does not suppo=
rt the&nbsp;getActiveCount(),&nbsp;getCompletedTasks() and getPendingTasks=
() functions of the IExecutorMBean.&nbsp;</div>=0A=0A<div><br></div><div>O=
ut of interest should it be registering the&nbsp;JMXEnabledThreadPoolExecu=
tor it created on line 105, or should it be registered elsewhere?</div></d=
iv></blockquote><div><br></div><div>Unfortunately, this was fixed in trunk=
 in the commit made 4s after the one that the build is from. &nbsp;It's an=
noying, but not critical enough to re-roll another beta (as you said, ever=
ything still works via JMX.) &nbsp;The GCInspector will also report a simi=
lar error in the logs when it is activated.</div>=0A=0A<div><br></div><div=
>-Brandon</div></div>=0A</div></blockquote></div></body></html>
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