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Samebug tips

  1. ,
    via by Unknown author

    An easy way to solve OutOfMemoryError in java is to increase the maximum heap size by using JVM options -Xmx512M, this will immediately solve your OutOfMemoryError.

  2. ,
    via Stack Overflow by Eugene Yokota

    In Eclipse : go to Run --> Run Configurations --> then select the project under maven build --> then select the tab "JRE" --> then enter -Xmx1024m.

    This should increase the memory heap for all the builds/projects. The above memory size is 1 GB.

Solutions on the web

via GitHub by V3RITAS
, 1 year ago
via Stack Overflow by wdz
, 2 years ago
via GitHub by davidwatkins73
, 10 months ago
via Stack Overflow by Ameer Abdullah
, 6 months ago
via Stack Overflow by Irfan
, 11 months ago
java.lang.OutOfMemoryError: Java heap space	at java.util.Arrays.copyOf(	at java.util.ArrayList.grow(	at java.util.ArrayList.ensureExplicitCapacity(	at java.util.ArrayList.ensureCapacityInternal(	at java.util.ArrayList.add(	at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFRowNumber$RowNumberBuffer.incr(	at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFRowNumber$GenericUDAFRowNumberEvaluator.iterate(	at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(	at org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.evaluateWindowFunction(	at org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.iterator(	at org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.finishPartition(	at org.apache.hadoop.hive.ql.exec.PTFOperator.closeOp(	at org.apache.hadoop.hive.ql.exec.Operator.close(	at org.apache.hadoop.hive.ql.exec.Operator.close(	at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(	at	at	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$	at Method)	at	at	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(	at	at	at java.util.concurrent.ThreadPoolExecutor.runWorker(	at java.util.concurrent.ThreadPoolExecutor$	at