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https://issues.apache.org/jira/browse/FLUME-1246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287222#comment-13287222
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Juhani Connolly commented on FLUME-1246:
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Ok, the new problem was with packaging, instantiating FileChannel was not 
working due to compilation errors which were throwing an Error(which is not 
caught anywhere and thus causes everything to fail transparently). I was under 
the impression that running "mvn clean package" should be enough(please correct 
me if this assumption is incorrect. If it's correct, I suspect I have to fiddle 
with eclipse), but after running clean, compile, install, package individually 
in order, the new problem is fixed and I'm back to the original problem. My 
apologies for the distraction.
                
> FileChannel failing to  start, also shutdown impossible without kill
> --------------------------------------------------------------------
>
>                 Key: FLUME-1246
>                 URL: https://issues.apache.org/jira/browse/FLUME-1246
>             Project: Flume
>          Issue Type: Bug
>          Components: Channel
>    Affects Versions: v1.2.0
>         Environment: CentOS 5.4
>            Reporter: Juhani Connolly
>         Attachments: flume-hari-2012May312217PST.log, flume.log, flume.log, 
> flume.log, flume.log.20120601, test_conf.conf
>
>
> Reduced to a minimal configuration for simplicity. I can recreate this on 
> some machines, and not others. I wouldn't be surprised if it is some machines 
> specific issue(test machines on CentOS5.4. On some it worked, others not), 
> however whatever exception was thrown when attempting to get created is 
> consumed and never passed onwards
> Config:
> test.channels.ch1.type = file
> test.channels.ch1.checkpointDir = 
> /home/share/juhani_connolly/flume-1.2.0-incubating-SNAPSHOT/check
> test.channels.ch1.dataDirs = 
> /home/share/juhani_connolly/flume-1.2.0-incubating-SNAPSHOT/filechdata
> test.sources.top.type = exec
> test.sources.top.command = /usr/bin top -b -d 1
> test.sources.top.restart = true
> test.sources.top.restartThrottle = 1000
> test.sources.top.interceptors = ts
> test.sources.top.interceptors.ts.type = 
> org.apache.flume.interceptor.TimestampInterceptor$Builder
> test.sources.top.channels = ch1
> test.sinks.log.type = logger
> test.sinks.log.channel = ch1
> test.channels = ch1
> test.sources = top
> test.sinks = log
> attaching logs with general/lifecycle loglevel down to debug.
> A solution to this is probably going to be just improving error reporting.
> Another possibly more important element is that flume enters a state from 
> which it cannot shutdown without kill -9. It looks like the Interrupts are 
> getting swallowed up silently somewhere

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