java.lang.OutOfMemoryError: Java heap space

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Samebug tips

  1. ,
    via oracle.com 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.

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Java heap space
java.lang.OutOfMemoryError: Java heap space	at java.util.Arrays.copyOf(Arrays.java:3308)	at org.neo4j.unsafe.impl.batchimport.input.BadCollector.collectDuplicateNode(BadCollector.java:113)	at org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.EncodingIdMapper.detectDuplicateInputIds(EncodingIdMapper.java:589)	at org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.EncodingIdMapper.buildCollisionInfo(EncodingIdMapper.java:493)	at org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.EncodingIdMapper.prepare(EncodingIdMapper.java:281)	at org.neo4j.unsafe.impl.batchimport.IdMapperPreparationStep.process(IdMapperPreparationStep.java:54)	at org.neo4j.unsafe.impl.batchimport.staging.LonelyProcessingStep$1.run(LonelyProcessingStep.java:56)