java.lang.OutOfMemoryError: Java heap space

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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.

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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

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Unknown Source)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(Unknown Source)
at java.lang.AbstractStringBuilder.append(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at net.sourceforge.pmd.cpd.SourceCode.getSlice(SourceCode.java:173)
at net.sourceforge.pmd.cpd.MatchAlgorithm.findMatches(MatchAlgorithm.java:83)
at net.sourceforge.pmd.cpd.CPD.go(CPD.java:50)
at net.sourceforge.pmd.cpd.GUI.go(GUI.java:631)
at net.sourceforge.pmd.cpd.GUI.access$500(GUI.java:70)
at java.lang.Thread.run(Unknown Source)

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