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From ashutosh(오픈플랫폼개발팀) <sharma.ashut...@kt.com>
Subject RE: flume-ng agent startup problem
Date Thu, 09 Aug 2012 08:48:14 GMT
Hi ,

I am also facing the same issue, agent stucks. But, the flume events are transferring to the
downstream agent and there is no warning and error printed in flume.log.

I don’t know whether it’s a expected behavior of the flume agent. Please let me know if
you have any idea.

Patrick: Please see the below output of the jstack -l <pid> command as you suggested:
2012-08-09 17:32:50
Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.6-b01 mixed mode):

"Attach Listener" daemon prio=10 tid=0x000000004fb5e800 nid=0x77a5 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

   Locked ownable synchronizers:
        - None

"Flume Avro RPC Client Call Invoker 1" daemon prio=10 tid=0x00002aaab4255800 nid=0x7765 waiting
on condition [0x0000000042f2f000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fec04490> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"SinkRunner-PollingRunner-DefaultSinkProcessor" prio=10 tid=0x000000004fcb6800 nid=0x7764
waiting on condition [0x00000000414ba000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fff853c0> (a java.util.concurrent.Semaphore$NonfairSync)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1011)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1303)
        at java.util.concurrent.Semaphore.tryAcquire(Semaphore.java:383)
        at org.apache.flume.channel.MemoryChannel$MemoryTransaction.doTake(MemoryChannel.java:72)
        at org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113)
        at org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91)
        at org.apache.flume.sink.AvroSink.process(AvroSink.java:287)
        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)

   Locked ownable synchronizers:
        - None

"New I/O client worker #1-1" daemon prio=10 tid=0x00002aaab423b000 nid=0x7763 runnable [0x000000004104a000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:210)
        at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
        - locked <0x00000000fff9d540> (a sun.nio.ch.Util$2)
        - locked <0x00000000fff9d530> (a java.util.Collections$UnmodifiableSet)
        - locked <0x00000000fff9aae0> (a sun.nio.ch.EPollSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
        at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:38)
        at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:165)
        at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
        at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - <0x00000000fff9a970> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)

"Avro NettyTransceiver Boss 1" daemon prio=10 tid=0x00002aaab4257800 nid=0x7762 waiting on
condition [0x00000000408be000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fff9a380> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"StderrReader-[tail -F /logs01/tx.log]" daemon prio=10 tid=0x000000004fb52000 nid=0x7761 runnable
[0x0000000042e2e000]
   java.lang.Thread.State: RUNNABLE
        at java.io.FileInputStream.readBytes(Native Method)
        at java.io.FileInputStream.read(FileInputStream.java:220)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
        - locked <0x00000000fff9eac0> (a java.io.InputStreamReader)
        at java.io.InputStreamReader.read(InputStreamReader.java:167)
        at java.io.BufferedReader.fill(BufferedReader.java:136)
        at java.io.BufferedReader.readLine(BufferedReader.java:299)
        - locked <0x00000000fff9eac0> (a java.io.InputStreamReader)
        at java.io.BufferedReader.readLine(BufferedReader.java:362)
        at org.apache.flume.source.ExecSource$StderrReader.run(ExecSource.java:308)

   Locked ownable synchronizers:
        - None

"process reaper" daemon prio=10 tid=0x000000004fb50000 nid=0x775f runnable [0x0000000041b6b000]
   java.lang.Thread.State: RUNNABLE
        at java.lang.UNIXProcess.waitForProcessExit(Native Method)
        at java.lang.UNIXProcess.access$900(UNIXProcess.java:20)
        at java.lang.UNIXProcess$1$1.run(UNIXProcess.java:132)

   Locked ownable synchronizers:
        - None

"pool-4-thread-1" prio=10 tid=0x000000004fb4e000 nid=0x775e runnable [0x00000000407bd000]
   java.lang.Thread.State: RUNNABLE
        at java.io.FileInputStream.readBytes(Native Method)
        at java.io.FileInputStream.read(FileInputStream.java:220)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:317)
        - locked <0x00000000fffb2010> (a java.io.BufferedInputStream)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
        - locked <0x00000000fec02df0> (a java.io.InputStreamReader)
        at java.io.InputStreamReader.read(InputStreamReader.java:167)
        at java.io.BufferedReader.fill(BufferedReader.java:136)
        at java.io.BufferedReader.readLine(BufferedReader.java:299)
        - locked <0x00000000fec02df0> (a java.io.InputStreamReader)
        at java.io.BufferedReader.readLine(BufferedReader.java:362)
        at org.apache.flume.source.ExecSource$ExecRunnable.run(ExecSource.java:256)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - <0x00000000fffb4150> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)

"lifecycleSupervisor-1-3" prio=10 tid=0x000000004fb45800 nid=0x775d waiting on condition [0x0000000042d2d000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb4900> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-2" prio=10 tid=0x000000004fb4a000 nid=0x775c waiting on condition [0x0000000042c2c000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb4900> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-1" prio=10 tid=0x000000004fb49000 nid=0x775b waiting on condition [0x0000000041a6a000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb4900> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"conf-file-poller-0" prio=10 tid=0x000000004fabf000 nid=0x775a waiting on condition [0x0000000042b2b000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb5e38> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-0" prio=10 tid=0x000000004fb1d000 nid=0x7759 waiting on condition [0x0000000042a2a000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb4900> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-2" prio=10 tid=0x00002aaab422e800 nid=0x7758 waiting on condition [0x0000000041ebf000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb6d08> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-1" prio=10 tid=0x00002aaab4221800 nid=0x7757 waiting on condition [0x0000000041dbe000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb6d08> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"lifecycleSupervisor-1-0" prio=10 tid=0x00002aaab4206000 nid=0x7756 waiting on condition [0x0000000041cbd000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000000fffb6d08> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:662)

   Locked ownable synchronizers:
        - None

"Low Memory Detector" daemon prio=10 tid=0x000000004f8e9800 nid=0x7754 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

   Locked ownable synchronizers:
        - None

"C2 CompilerThread1" daemon prio=10 tid=0x000000004f8e7000 nid=0x7753 waiting on condition
[0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

   Locked ownable synchronizers:
        - None

"C2 CompilerThread0" daemon prio=10 tid=0x000000004f8e1800 nid=0x7752 waiting on condition
[0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

   Locked ownable synchronizers:
        - None

"Signal Dispatcher" daemon prio=10 tid=0x000000004f8df800 nid=0x7751 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

   Locked ownable synchronizers:
        - None

"Finalizer" daemon prio=10 tid=0x000000004f8bd800 nid=0x7750 in Object.wait() [0x0000000040e10000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000000fff5a588> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
        - locked <0x00000000fff5a588> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

   Locked ownable synchronizers:
        - None

"Reference Handler" daemon prio=10 tid=0x000000004f8bb800 nid=0x774f in Object.wait() [0x0000000040d0f000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000000fff5a530> (a java.lang.ref.Reference$Lock)
        at java.lang.Object.wait(Object.java:485)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
        - locked <0x00000000fff5a530> (a java.lang.ref.Reference$Lock)

   Locked ownable synchronizers:
        - None

"main" prio=10 tid=0x000000004f84f800 nid=0x7745 waiting on condition [0x0000000040f49000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
        at java.lang.Thread.sleep(Native Method)
        at org.apache.flume.lifecycle.LifecycleController.waitForOneOf(LifecycleController.java:73)
        at org.apache.flume.lifecycle.LifecycleController.waitForOneOf(LifecycleController.java:49)
        at org.apache.flume.node.Application.run(Application.java:167)
        at org.apache.flume.node.Application.main(Application.java:70)

   Locked ownable synchronizers:
        - None

"VM Thread" prio=10 tid=0x000000004f8b5000 nid=0x774e runnable

"GC task thread#0 (ParallelGC)" prio=10 tid=0x000000004f862800 nid=0x7746 runnable

"GC task thread#1 (ParallelGC)" prio=10 tid=0x000000004f864000 nid=0x7747 runnable

"GC task thread#2 (ParallelGC)" prio=10 tid=0x000000004f866000 nid=0x7748 runnable

"GC task thread#3 (ParallelGC)" prio=10 tid=0x000000004f868000 nid=0x7749 runnable

"GC task thread#4 (ParallelGC)" prio=10 tid=0x000000004f869800 nid=0x774a runnable

"GC task thread#5 (ParallelGC)" prio=10 tid=0x000000004f86b800 nid=0x774b runnable

"GC task thread#6 (ParallelGC)" prio=10 tid=0x000000004f86d800 nid=0x774c runnable

"GC task thread#7 (ParallelGC)" prio=10 tid=0x000000004f86f000 nid=0x774d runnable

"VM Periodic Task Thread" prio=10 tid=0x000000004f8f4000 nid=0x7755 waiting on condition

JNI global references: 1359


----------------------------------------
----------------------------------------
Thanks & Regards,
Ashutosh Sharma
----------------------------------------

From: Patrick Wendell [mailto:pwendell@gmail.com]
Sent: Thursday, August 09, 2012 1:50 AM
To: user@flume.apache.org
Subject: Re: flume-ng agent startup problem

Jagadish,

If you use the new page and it still doesn't work, can you send me the output of jstack against
the flume pid? I've noticed some similar issues in the past (silent startup failures) and
I'm also trying to debug.

- Patrick
On Wed, Aug 8, 2012 at 12:49 AM, alo alt <wget.null@gmail.com<mailto:wget.null@gmail.com>>
wrote:
HI,

This page is outdated. Please follow:
http://flume.apache.org/FlumeUserGuide.html#setup

Since you haven't attached logs or error messages it's hard to say what happen.

best
- Alex


Jagadish Bihani wrote:


Hi

I have downloaded the tarball of latest flume-ng 1.2.0.
I have JAVA_HOME properly set.

To begin with I have followed the instructions in "
https://cwiki.apache.org/FLUME/getting-started.html"
as it is. And even for that basic example:

My flume agent stucks printing the following output and then nothing
happens:
*bin/flume-ng agent --conf ./conf/ -f conf/flume.conf -n agent1

+ exec /usr/java/jdk1.6.0_12/bin/java -Xmx20m -cp
'/root/flume/apache-flume-1.2.0/conf:/root/flume/apache-flume-1.2.0/lib/*'
-Djava.library.path= org.apache.flume.node.Application -f
conf/flume.conf -n agent1*


Please guide me what might be the cause.

Regards,
Jagadish



[cid:image001.jpg@01CD7656.E40F37C0]
Jagadish Bihani<mailto:jagadish.bihani@pubmatic.com>
August 8, 2012 9:45 AM
Hi

I have downloaded the tarball of latest flume-ng 1.2.0.
I have JAVA_HOME properly set.

To begin with I have followed the instructions in " https://cwiki.apache.org/FLUME/getting-started.html"
as it is. And even for that basic example:

My flume agent stucks printing the following output and then nothing happens:

 bin/flume-ng agent --conf ./conf/ -f conf/flume.conf -n agent1
+ exec /usr/java/jdk1.6.0_12/bin/java -Xmx20m -cp '/root/flume/apache-flume-1.2.0/conf:/root/flume/apache-flume-1.2.0/lib/*'
-Djava.library.path= org.apache.flume.node.Application -f conf/flume.conf -n agent1

Please guide me what might be the cause.

Regards,
Jagadish

--
Alexander Alten-Lorenz
http://mapredit.blogspot.com
German Hadoop LinkedIn Group: http://goo.gl/N8pCF



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