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Flume, mail # user - FileChannel on Windows


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Re: FileChannel on Windows
Israel Ekpo 2013-04-10, 19:06
Paul,

If Flume 1.3.1 is what you are looking for, you don't have to build it from source.

You can just download it directly from the site. Its already released.

Paul Chavez <[EMAIL PROTECTED]> wrote:

>Hello,
>

>
>I've been using flume on Windows to send logs to an avro source for awhile now, using the AvroClient class. I'm now trying to get a full agent running to hopefully leverage the spoolDir and httpSource functionality. Part of my requirements is a persistent channel so I'm attempting to get a config running the utilizes the fileChannel.
>

>
>I followed the instructions at http://mapredit.blogspot.com/2012/07/run-flume-13x-on-windows.html to build flume, same as I did for the AvroClient. However it seems I need some HDFS libraries. Can anyone point me to instructions for building the JAR(s) I need to get this working?
>

>
>Currently I'm running into the following exception:
>
>10 Apr 2013 11:50:29,317 INFO  [lifecycleSupervisor-1-0] (org.apache.flume.channel.file.FileChannel.start:285)  - Starting FileChannel fc_Default { dataDirs: [c:\flume_data\log] }...
>10 Apr 2013 11:50:29,317 ERROR [lifecycleSupervisor-1-0] (org.apache.flume.channel.file.FileChannel.start:314)  - Failed to start the file channel [channel=fc_Default]
>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$Builder.build(Log.java:212)
> at org.apache.flume.channel.file.FileChannel.start(FileChannel.java:302)
> at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:236)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
> at java.util.concurrent.FutureTask$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
>10 Apr 2013 11:50:29,317 ERROR [lifecycleSupervisor-1-0] (org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run:238)  - Unable to start FileChannel fc_Default { dataDirs: [c:\flume_data\log] } - 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)