java - Join in mapreduce -

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i working on map reduce join problem using joiner , splitter functions. have searched lot on google , finds adding guava-18.0.jar file in referenced libraries of project. attached javadoc location jar file still getting error mentioned below:

error: java.lang.classnotfoundexception: com.google.common.base.splitter     @ java.security.accesscontroller.doprivileged(native method)     @ java.net.urlclassloader.findclass(urlclassloader.java:354)     @ java.lang.classloader.loadclass(classloader.java:425)     @ sun.misc.launcher$appclassloader.loadclass(launcher.java:308)     @ java.lang.classloader.loadclass(classloader.java:358)     @ edu.cs.okstate.cs.partitioning.partition_mapper.setup(partition_mapper.java:29)     @ org.apache.hadoop.mapreduce.mapper.run(mapper.java:142)     @ org.apache.hadoop.mapred.maptask.runnewmapper(maptask.java:764)     @ org.apache.hadoop.mapred.maptask.run(maptask.java:364)     @ org.apache.hadoop.mapred.child$4.run(child.java:255)     @ java.security.accesscontroller.doprivileged(native method)     @ javax.security.auth.subject.doas(subject.java:415)     @ org.apache.hadoop.security.usergroupinformation.doas(usergroupinformation.java:1190)     @ org.apache.hadoop.mapred.child.main(child.java:249)

i'm guessing you're using ide manage project , not dependency management tool (maven, gradle, ant+ivy...), , guava jar doesn't end in classpath of hadoop job.

make sure gets bundled what's deployed.


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