Hi, I am trying to join two datasets.. One of which is json.. I am relying on json-simple library to parse that json.. I am trying to use libjars.. So far .. for simple data processing.. the approach has worked.. but now i am getting the following error Exception in thread "main" java.lang.NoClassDefFoundError: org/json/simple/parser/ParseException at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:820) at org.apache.hadoop.mapreduce.lib.input.MultipleInputs.getMapperTypeMap(MultipleInputs.java:141) at org.apache.hadoop.mapreduce.lib.input.DelegatingInputFormat.getSplits(DelegatingInputFormat.java:60) at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:1024) at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1041) at org.apache.hadoop.mapred.JobClient.access$700(JobClient.java:179) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:959) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:912) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1136) at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:912) at org.apache.hadoop.mapreduce.Job.submit(Job.java:500) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530) at org.select.Driver.run(Driver.java:130) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.select.Driver.main(Driver.java:139) 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:601) at org.apache.hadoop.util.RunJar.main(RunJar.java:156) Caused by: java.lang.ClassNotFoundException: org.json.simple.parser.ParseException 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:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
I think I have implemented toolrunner. hadoop jar domain_gold.jar org.select.Driver \ -libjars json-simple-1.1.1.jar $INPUT1 $INPUT2 $OUTPUT .
