Heap size error

[Amandeep Khurana]

I'm getting the following error while running my hadoop job:

09/02/06 15:33:03 INFO mapred.JobClient: Task Id :
attempt_200902061333_0004_r_000000_1, Status : FAILED
java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Unknown Source)
        at java.lang.AbstractStringBuilder.expandCapacity(Unknown Source)
        at java.lang.AbstractStringBuilder.append(Unknown Source)
        at java.lang.StringBuffer.append(Unknown Source)
        at TableJoin$Reduce.reduce(TableJoin.java:61)
        at TableJoin$Reduce.reduce(TableJoin.java:1)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:430)
        at org.apache.hadoop.mapred.Child.main(Child.java:155)

Any inputs?

Amandeep


Amandeep Khurana
Computer Science Graduate Student
University of California, Santa Cruz