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From "Hari Shreedharan" <hshreedha...@cloudera.com>
Subject Re: HDFS sink to a remote HDFS node
Date Tue, 30 Sep 2014 18:51:27 GMT
You actually need to add of all Hadoop’s dependencies to Flume classpath. Looks like Apache
Commons Configuration is missing in classpath.


Thanks,
Hari

On Tue, Sep 30, 2014 at 11:48 AM, Ed Judge <ejudgie@gmail.com> wrote:

> 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 <shengyi.pan@gmail.com> 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 <ejudgie@gmail.com>
>> 发送时间:2014-09-29 22:38
>> 主题:HDFS sink to a remote HDFS node
>> 收件人:"user@flume.apache.org"<user@flume.apache.org>
>> 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
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