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From: terreyshih <terreyshih@gmail.com>
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Subject: flume agent / JVM crashes periodically 
Message-Id: <63720C54-041A-4D27-B6A7-9EF03680F027@gmail.com>
Date: Sat, 20 Sep 2014 14:33:55 -0700
To: user@flume.apache.org
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Hi,

I am having a lot of difficulty trying to debug an issue.  The flume =
server stops working after a few hours and the JVM shuts down.  The =
snippet of the message I got in the log starts with following:


20 Sep 2014 12:24:10,899 DEBUG [New I/O  worker #9] =
(org.hbase.async.RegionClient.decode:1349)  - ------------------<< =
LEAVING  DECODE <<------------------ time elapsed: 75us
20 Sep 2014 12:24:19,942 INFO  [agent-shutdown-hook] =
(org.apache.flume.lifecycle.LifecycleSupervisor.stop:79)  - Stopping =
lifecycle supervisor 13
20 Sep 2014 12:24:19,943 INFO  [agent-shutdown-hook] =
(org.apache.flume.instrumentation.MonitoredCounterGroup.stop:149)  - =
Component type: CHANNEL, name: myChannelC stopped


=46rom there it starts to shut down all the channels and eventually the =
JVM shuts down.

I am running the agent in debug mode and I can see my data coming in =
correctly for a couple of hours and the snippet shows, flume enters the =
=93LEAVING DECODE=94 section of the flume debug engine.  I am writing =
the data to HBase sinks by using AsycnHBase.

I would appreciate it if someone can help me with this.  This is =
reproducible around every 2 hours.

When does the agent-shutdown-hook gets triggered ?

thanks=

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"><meta http-equiv=3D"Content-Type" =
content=3D"text/html charset=3Dwindows-1252"></head><body =
style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: =
after-white-space;"><div>Hi,</div><div><br></div><div>I am having a lot =
of difficulty trying to debug an issue. &nbsp;The flume server stops =
working after a few hours and the JVM shuts down. &nbsp;The snippet of =
the message I got in the log starts with =
following:</div><div><br></div><div><br></div><div><div style=3D"margin: =
0px; font-family: Monaco; color: rgb(245, 245, 245); background-color: =
rgb(0, 0, 0);">20 Sep 2014 12:24:10,899 DEBUG [New I/O&nbsp; worker #9] =
(org.hbase.async.RegionClient.decode:1349)&nbsp; - =
------------------&lt;&lt; LEAVING&nbsp; DECODE =
&lt;&lt;------------------ time elapsed: 75us</div><div style=3D"margin: =
0px; font-family: Monaco; color: rgb(245, 245, 245); background-color: =
rgb(0, 0, 0);">20 Sep 2014 12:24:19,942 INFO&nbsp; [agent-shutdown-hook] =
(org.apache.flume.lifecycle.LifecycleSupervisor.stop:79)&nbsp; - =
Stopping lifecycle supervisor 13</div><div style=3D"margin: 0px; =
font-family: Monaco; color: rgb(245, 245, 245); background-color: rgb(0, =
0, 0); position: static; z-index: auto;">20 Sep 2014 12:24:19,943 =
INFO&nbsp; [agent-shutdown-hook] =
(org.apache.flume.instrumentation.MonitoredCounterGroup.stop:149)&nbsp; =
- Component type: CHANNEL, name: myChannelC =
stopped</div></div><div><br></div><div><br></div><div>=46rom there it =
starts to shut down all the channels and eventually the JVM shuts =
down.</div><div><br></div><div>I am running the agent in debug mode and =
I can see my data coming in correctly for a couple of hours and the =
snippet shows, flume enters the =93LEAVING DECODE=94 section of the =
flume debug engine. &nbsp;I am writing the data to HBase sinks by using =
AsycnHBase.</div><div><br></div><div>I would appreciate it if someone =
can help me with this. &nbsp;This is reproducible around every 2 =
hours.</div><div><br></div><div>When does the agent-shutdown-hook gets =
triggered ?</div><div><br></div><div>thanks</div></body></html>=

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