Thank you. I am using hadoop 2.5 which I think uses protobuf-java-2.5.0.jar.
I am getting the following error even after adding those 2 jar files to my
flume-ng classpath:
30 Sep 2014 18:27:03,269 INFO [lifecycleSupervisor-1-0]
(org.apache.flume.node.PollingPropertiesFileConfigurationProvider.start:61) -
Configuration provider starting
30 Sep 2014 18:27:03,278 INFO [conf-file-poller-0]
(org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run:133)
- Reloading configuration file:./src.conf
30 Sep 2014 18:27:03,288 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,289 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:930)
- Added sinks: k1 Agent: a1
30 Sep 2014 18:27:03,289 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,292 WARN [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration.<init>:101) - Configuration property
ignored: i# = Describe the sink
30 Sep 2014 18:27:03,292 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,292 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016)
- Processing:k1
30 Sep 2014 18:27:03,312 INFO [conf-file-poller-0]
(org.apache.flume.conf.FlumeConfiguration.validateConfiguration:140) -
Post-validation flume configuration contains configuration for agents: [a1]
30 Sep 2014 18:27:03,312 INFO [conf-file-poller-0]
(org.apache.flume.node.AbstractConfigurationProvider.loadChannels:150) -
Creating channels
30 Sep 2014 18:27:03,329 INFO [conf-file-poller-0]
(org.apache.flume.channel.DefaultChannelFactory.create:40) - Creating instance
of channel c1 type memory
30 Sep 2014 18:27:03,351 INFO [conf-file-poller-0]
(org.apache.flume.node.AbstractConfigurationProvider.loadChannels:205) -
Created channel c1
30 Sep 2014 18:27:03,352 INFO [conf-file-poller-0]
(org.apache.flume.source.DefaultSourceFactory.create:39) - Creating instance
of source r1, type org.apache.flume.source.twitter.TwitterSource
30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0]
(org.apache.flume.source.twitter.TwitterSource.configure:110) - Consumer Key:
'tobhMtidckJoe1tByXDmI4pW3'
30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0]
(org.apache.flume.source.twitter.TwitterSource.configure:111) - Consumer
Secret: '6eZKRpd6JvGT3Dg9jtd9fG9UMEhBzGxoLhLUGP1dqzkKznrXuQ'
30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0]
(org.apache.flume.source.twitter.TwitterSource.configure:112) - Access Token:
'1588514408-o36mOSbXYCVacQ3p6Knsf6Kho17iCwNYLZyA9V5'
30 Sep 2014 18:27:03,364 INFO [conf-file-poller-0]
(org.apache.flume.source.twitter.TwitterSource.configure:113) - Access Token
Secret: 'vBtp7wKsi2BOQqZSBpSBQSgZcc93oHea38T9OdckDCLKn'
30 Sep 2014 18:27:03,825 INFO [conf-file-poller-0]
(org.apache.flume.sink.DefaultSinkFactory.create:40) - Creating instance of
sink: k1, type: hdfs
30 Sep 2014 18:27:03,874 ERROR [conf-file-poller-0]
(org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run:145)
- Failed to start agent because dependencies were not found in classpath.
Error follows.
java.lang.NoClassDefFoundError: org/apache/commons/configuration/Configuration
at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<init>(DefaultMetricsSystem.java:38)
at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<clinit>(DefaultMetricsSystem.java:36)
at
org.apache.hadoop.security.UserGroupInformation$UgiMetrics.create(UserGroupInformation.java:106)
at
org.apache.hadoop.security.UserGroupInformation.<clinit>(UserGroupInformation.java:208)
at
org.apache.flume.sink.hdfs.HDFSEventSink.authenticate(HDFSEventSink.java:553)
at
org.apache.flume.sink.hdfs.HDFSEventSink.configure(HDFSEventSink.java:272)
at org.apache.flume.conf.Configurables.configure(Configurables.java:41)
at
org.apache.flume.node.AbstractConfigurationProvider.loadSinks(AbstractConfigurationProvider.java:418)
at
org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:103)
at
org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:140)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.configuration.Configuration
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 17 more
30 Sep 2014 18:27:33,491 INFO [agent-shutdown-hook]
(org.apache.flume.lifecycle.LifecycleSupervisor.stop:79) - Stopping lifecycle
supervisor 10
30 Sep 2014 18:27:33,493 INFO [agent-shutdown-hook]
(org.apache.flume.node.PollingPropertiesFileConfigurationProvider.stop:83) -
Configuration provider stopping
[vagrant@localhost 6]$
Is there another jar file I need?
Thanks.
On Sep 29, 2014, at 9:04 PM, shengyi.pan <[email protected]> wrote:
> you need hadoop-common-x.x.x.jar and hadoop-hdfs-x.x.x.jar under your
> flume-ng classpath, and the dependent hadoop jar version must match your
> hadoop system.
>
> if sink to hadoop-2.0.0, you should use "protobuf-java-2.4.1.jar"
> (defaultly, flume-1.5.0 uses "protobuf-java-2.5.0.jar", the jar file is under
> flume lib directory ), because the pb interface of hdfs-2.0 is compiled wtih
> protobuf-2.4, while using protobuf-2.5 the flume-ng will fail to start....
>
>
>
>
> 2014-09-30
> shengyi.pan
> 发件人：Ed Judge <[email protected]>
> 发送时间：2014-09-29 22:38
> 主题：HDFS sink to a remote HDFS node
> 收件人："[email protected]"<[email protected]>
> 抄送：
>
> I am trying to run the flume-ng agent on one node with an HDFS sink pointing
> to an HDFS filesystem on another node.
> Is this possible? What packages/jar files are needed on the flume agent node
> for this to work? Secondary goal is to install only what is needed on the
> flume-ng node.
>
> # Describe the sink
> a1.sinks.k1.type = hdfs
> a1.sinks.k1.hdfs.path = hdfs://<remote IP address>/tmp/
>
>
> Thanks,
> Ed
