java.lang.RuntimeException: readObject can't find class

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via GitHub by jon-wei
, 1 year ago
readObject can't find class
via Google Groups by shailesh prajapati, 11 months ago
via Stack Overflow by sivaramanjaneyulu
, 2 years ago
readObject can't find class
java.lang.ClassNotFoundException: Class io.druid.indexer.DetermineHashedPartitionsJob$DetermineCardinalityMapper not found
at org.apache.hadoop.mapreduce.lib.input.TaggedInputSplit.readClass(TaggedInputSplit.java:134)
at org.apache.hadoop.io.serializer.WritableSerialization$WritableDeserializer.deserialize(WritableSerialization.java:71)
at org.apache.hadoop.mapred.MapTask.getSplitDetails(MapTask.java:371)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:403)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
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:1548)

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