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From Brock Noland <br...@cloudera.com>
Subject Re: splitting functions
Date Wed, 12 Sep 2012 18:41:48 GMT
Yeah that is my fault. FileChannel uses a few hadoop classes for
serialization. I want to get rid of that but it's just not a priority
item. You either need the hadoop command in your path or the
hadoop-core.jar in your lib directory.

On Wed, Sep 12, 2012 at 1:38 PM, Cochran, David M (Contractor)
<David.Cochran@bsee.gov> wrote:
> Brock,
>
> Thanks for the sample!  Starting to see a bit more light and making a little more sense
now...
>
> If you wouldn't mind and have a couple mins to spare...I'm getting this error and not
sure how to make it go away.. I can not use hadoop for storage instead just FILE_ROLL (ultimately
the logs will need to be processed further in plain text)  I'm just not sure why....
>
> The error follows and my conf further down.
>
> 12 Sep 2012 13:18:54,120 INFO  [lifecycleSupervisor-1-0] (org.apache.flume.channel.file.FileChannel.start:211)
 - Starting FileChannel fileChannel { dataDirs: [/tmp/flume/data1, /tmp/flume/data2, /tmp/flume/data3]
}...
> 12 Sep 2012 13:18:54,124 ERROR [lifecycleSupervisor-1-0] (org.apache.flume.channel.file.FileChannel.start:234)
 - Failed to start the file channel [channel=fileChannel]
> java.lang.NoClassDefFoundError: org/apache/hadoop/io/Writable
>         at java.lang.ClassLoader.defineClass1(Native Method)
>         at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
>         at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>         at org.apache.flume.channel.file.Log$Builder.build(Log.java:144)
>         at org.apache.flume.channel.file.FileChannel.start(FileChannel.java:223)
>         at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.io.Writable
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>         ... 24 more
> 12 Sep 2012 13:18:54,126 ERROR [lifecycleSupervisor-1-0] (org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run:238)
 - Unable to start FileChannel fileChannel { dataDirs: [/tmp/flume/data1, /tmp/flume/data2,
/tmp/flume/data3] } - Exception follows.
> java.lang.NoClassDefFoundError: org/apache/hadoop/io/Writable
>         at java.lang.ClassLoader.defineClass1(Native Method)
>         at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
>         at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>         at org.apache.flume.channel.file.Log$Builder.build(Log.java:144)
>         at org.apache.flume.channel.file.FileChannel.start(FileChannel.java:223)
>         at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.io.Writable
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>         ... 24 more
> 12 Sep 2012 13:18:54,127 INFO  [lifecycleSupervisor-1-0] (org.apache.flume.channel.file.FileChannel.stop:249)
 - Stopping FileChannel fileChannel { dataDirs: [/tmp/flume/data1, /tmp/flume/data2, /tmp/flume/data3]
}...
> 12 Sep 2012 13:18:54,127 ERROR [lifecycleSupervisor-1-0] (org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run:249)
 - Unsuccessful attempt to shutdown component: {} due to missing dependencies. Please shutdown
the agentor disable this component, or the agent will bein an undefined state.
> java.lang.IllegalStateException: Channel closed[channel=fileChannel]
>         at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
>         at org.apache.flume.channel.file.FileChannel.getDepth(FileChannel.java:282)
>         at org.apache.flume.channel.file.FileChannel.stop(FileChannel.java:250)
>         at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:244)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> 12 Sep 2012 13:18:54,622 INFO  [conf-file-poller-0] (org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents:141)
 - Starting Sink filesink1
> 12 Sep 2012 13:18:54,624 INFO  [conf-file-poller-0] (org.apache.flume.node.nodemanager.DefaultLogicalNodeManager.startAllComponents:152)
 - Starting Source avroSource
> 12 Sep 2012 13:18:54,626 INFO  [lifecycleSupervisor-1-1] (org.apache.flume.source.AvroSource.start:138)
 - Starting Avro source avroSource: { bindAddress: 0.0.0.0, port: 9432 }...
> 12 Sep 2012 13:18:54,641 ERROR [SinkRunner-PollingRunner-DefaultSinkProcessor] (org.apache.flume.SinkRunner$PollingRunner.run:160)
 - Unable to deliver event. Exception follows.
> java.lang.IllegalStateException: Channel closed [channel=fileChannel]
>         at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
>         at org.apache.flume.channel.file.FileChannel.createTransaction(FileChannel.java:267)
>         at org.apache.flume.channel.BasicChannelSemantics.getTransaction(BasicChannelSemantics.java:118)
>         at org.apache.flume.sink.RollingFileSink.process(RollingFileSink.java:172)
>         at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
>         at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147)
>         at java.lang.Thread.run(Thread.java:662)
>
>
>
>
> Using your config this is my starting point... (trying to get it functioning on a single
host first)
>
> node105.sources = tailsource
> node105.channels = fileChannel
> node105.sinks = avroSink
>
> node105.sources.tailsource.type = exec
> node105.sources.tailsource.command =tail -F /root/Desktop/apache-flume-1.3.0-SNAPSHOT/test.log
> #node105.sources.stressSource.batchSize = 1000
> node105.sources.tailsource.channels = fileChannel
>
> ## Sink sends avro messages to node103.bashkew.com port 9432
> node105.sinks.avroSink.type = avro
> node105.sinks.avroSink.batch-size = 1000
> node105.sinks.avroSink.channel = fileChannel
> node105.sinks.avroSink.hostname = localhost
> node105.sinks.avroSink.port = 9432
>
> node105.channels.fileChannel.type = file
> node105.channels.fileChannel.checkpointDir = /root/Desktop/apache-flume-1.3.0-SNAPSHOT/tmp/flume/checkpoint
> node105.channels.fileChannel.dataDirs = /root/Desktop/apache-flume-1.3.0-SNAPSHOT/tmp/flume/tmp/flume/data
> node105.channels.fileChannel.capacity = 10000
> node105.channels.fileChannel.checkpointInterval = 3000
> node105.channels.fileChannel.maxFileSize = 5242880
>
> node102.sources = avroSource
> node102.channels = fileChannel
> node102.sinks = filesink1
>
> ## Source listens for avro messages on port 9432 on all ips
> node102.sources.avroSource.type = avro
> node102.sources.avroSource.channels = fileChannel
> node102.sources.avroSource.bind = 0.0.0.0
> node102.sources.avroSource.port = 9432
>
> node102.sinks.filesink1.type = FILE_ROLL
> node102.sinks.filesink1.batchSize = 1000
> node102.sinks.filesink1.channel = fileChannel
> node102.sinks.filesink1.sink.directory = /root/Desktop/apache-flume-1.3.0-SNAPSHOT/logs/rhel5/
> node102.channels.fileChannel.type = file
> node102.channels.fileChannel.checkpointDir = /tmp/flume/checkpoints
> node102.channels.fileChannel.dataDirs = /tmp/flume/data1,/tmp/flume/data2,/tmp/flume/data3
> node102.channels.fileChannel.capacity = 5000
> node102.channels.fileChannel.checkpointInterval = 45000
> node102.channels.fileChannel.maxFileSize = 5242880
>
>
>
> Thanks!
> Dave
>
>
> -----Original Message-----
> From: Brock Noland [mailto:brock@cloudera.com]
> Sent: Wed 9/12/2012 9:11 AM
> To: user@flume.apache.org
> Subject: Re: splitting functions
>
> Hi,
>
> Below is a config I use to test out the FileChannel. See the comments
> "##" for how messages are sent from one host to another.
>
> node105.sources = stressSource
> node105.channels = fileChannel
> node105.sinks = avroSink
>
> node105.sources.stressSource.type = org.apache.flume.source.StressSource
> node105.sources.stressSource.batchSize = 1000
> node105.sources.stressSource.channels = fileChannel
>
> ## Sink sends avro messages to node103.bashkew.com port 9432
> node105.sinks.avroSink.type = avro
> node105.sinks.avroSink.batch-size = 1000
> node105.sinks.avroSink.channel = fileChannel
> node105.sinks.avroSink.hostname = node102.bashkew.com
> node105.sinks.avroSink.port = 9432
>
> node105.channels.fileChannel.type = file
> node105.channels.fileChannel.checkpointDir = /tmp/flume/checkpoints
> node105.channels.fileChannel.dataDirs =
> /tmp/flume/data1,/tmp/flume/data2,/tmp/flume/data3
> node105.channels.fileChannel.capacity = 10000
> node105.channels.fileChannel.checkpointInterval = 3000
> node105.channels.fileChannel.maxFileSize = 5242880
>
> node102.sources = avroSource
> node102.channels = fileChannel
> node102.sinks = nullSink
>
>
> ## Source listens for avro messages on port 9432 on all ips
> node102.sources.avroSource.type = avro
> node102.sources.avroSource.channels = fileChannel
> node102.sources.avroSource.bind = 0.0.0.0
> node102.sources.avroSource.port = 9432
>
> node102.sinks.nullSink.type = null
> node102.sinks.nullSink.batchSize = 1000
> node102.sinks.nullSink.channel = fileChannel
>
> node102.channels.fileChannel.type = file
> node102.channels.fileChannel.checkpointDir = /tmp/flume/checkpoints
> node102.channels.fileChannel.dataDirs =
> /tmp/flume/data1,/tmp/flume/data2,/tmp/flume/data3
> node102.channels.fileChannel.capacity = 5000
> node102.channels.fileChannel.checkpointInterval = 45000
> node102.channels.fileChannel.maxFileSize = 5242880
>
>
>
> On Wed, Sep 12, 2012 at 10:06 AM, Cochran, David M (Contractor)
> <David.Cochran@bsee.gov> wrote:
>> Okay folks, after spending the better part of a week reading the docs and
>> experimenting I'm lost.  I have flume 1.3.x working pretty much as expected
>> on a single host.  It tails a log file and writes it to another rolling log
>> file via flume.  No problem there, seems to work flawlessly.  Where my issue
>> is trying to break apart the functions across multiple hosts... a single
>> host listening for others to send their logs to.  All of my efforts have
>> resulted in little more than headaches.
>>
>> I can't even see the specified port open on what should be the logging host.
>> I've tried the basic examples posted on different docs but can't seem to get
>> things working across multiple hosts.
>>
>> Would someone post a working example of the conf's needed to get me started?
>> Something simple that works, so I can them pick it apart to gain more
>> understanding.  Apparently, I just don't yet have a firm enough grasp on all
>> the pieces yet, but want to learn!
>>
>> Thanks in advance!
>> Dave
>>
>>
>
>
>
> --
> Apache MRUnit - Unit testing MapReduce - http://incubator.apache.org/mrunit/
>



-- 
Apache MRUnit - Unit testing MapReduce - http://incubator.apache.org/mrunit/

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