Adding a library to Flume shouldn't affect hive or any other tools. You can add the jar to the lib or plugin.d directories.
Regards, Gonzalo On 1 December 2015 at 10:13, yogendra reddy <[email protected]> wrote: > update > > I ran the flume agent first and then made changes to hadoop log4j > properties file and after the restart this started working fine. but now > Hive service is not coming up because of avro-ipc jar that I had to add to > hadoop-hdfs lib to get flume log4j appender working > > I would like to know if anybody here has used flume to copy Hadoop > daemon/service logs? > > Thanks, > Yogendra > > On Wed, Nov 25, 2015 at 2:03 PM, yogendra reddy <[email protected]> > wrote: > >> Hi All, >> >> I'm trying to configure flume to write hadoop service logs to a common >> sink. >> >> Here's what I have added to hdfs log4j.properties >> >> # Define the root logger to the system property "hadoop.root.logger". >> log4j.rootLogger=${hadoop.root.logger}, flume >> >> #Flume Appender >> log4j.appender.flume = >> org.apache.flume.clients.log4jappender.Log4jAppender >> log4j.appender.flume.Hostname = localhost >> log4j.appender.flume.Port = 41414 >> >> and when I run sample pi job I get this error >> >> $ hadoop jar hadoop-mapreduce-examples.jar pi 10 10 >> log4j:ERROR Could not find value for key log4j.appender.flume.layout >> 15/11/25 07:23:26 WARN api.NettyAvroRpcClient: Using default maxIOWorkers >> log4j:ERROR RPC client creation failed! NettyAvroRpcClient { host: >> localhost, port: 41414 }: RPC connection error >> Exception in thread "main" java.lang.ExceptionInInitializerError >> at org.apache.hadoop.util.RunJar.run(RunJar.java:200) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:136) >> Caused by: org.apache.commons.logging.LogConfigurationException: >> User-specified log class 'org.apache.commons.logging.impl.Log4JLogger' >> cannot be found or is not useable. >> at >> org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:804) >> at >> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:541) >> at >> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:292) >> at >> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:269) >> at >> org.apache.commons.logging.LogFactory.getLog(LogFactory.java:657) >> at >> org.apache.hadoop.util.ShutdownHookManager.<clinit>(ShutdownHookManager.java:44) >> ... 2 more >> >> I have added these jars to hadoop-hdfs lib - >> >> avro-ipc-1.7.3.jar >> flume-avro-source-1.5.2.2.2.7.1-33.jar >> flume-ng-log4jappender-1.5.2.2.2.7.1-33.jar >> flume-hdfs-sink-1.5.2.2.2.7.1-33.jar >> flume-ng-sdk-1.5.2.2.2.7.1-33.jar >> >> and I do have the commons-logging( commons-logging-1.1.3.jar) and >> log4j(1.2.17) jars present in the hdfs lib. Any pointers to debug this >> issue? >> >> Thanks, >> Yogendra >> >> >> >
