Hi, For one of my map reduce code I want to use a different version of slf4j jar (1.6.4) But I guess hadoop has a different version of jar in hadoop classpath lib/slf4j-log4j12-1.4.3.jar And when I am trying to run my code, I am gettign this error: Exception in thread "main" java.lang.NoSuchMethodError: org.slf4j.spi.LocationAwareLogger.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V at org.apache.commons.logging.impl.SLF4JLocationAwareLog.info (SLF4JLocationAwareLog.java:159) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:931) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:416) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1093) at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850) at org.apache.hadoop.mapreduce.Job.submit(Job.java:500) at org.rdf.RdfFormatter.run(RdfFormatter.java:109) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.rdf.RdfFormatter.main(RdfFormatter.java:144) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
Similar issue here: http://stackoverflow.com/questions/10354785/nosuchmethoderror-with-slfj4 What should I do? Thanks
