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) <[email protected]> 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:[email protected]] > Sent: Wed 9/12/2012 9:11 AM > To: [email protected] > 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) > <[email protected]> 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/
