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  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.

java.lang.OutOfMemoryError: Java heap space	at java.util.Arrays.copyOf(	at java.lang.AbstractStringBuilder.expandCapacity(	at java.lang.AbstractStringBuilder.append(	at java.lang.StringBuilder.append(	at org.apache.commons.digester3.Digester.characters(	at	at	at	at	at	at	at$JAXPSAXParser.parse(	at org.apache.commons.digester3.Digester.parse(	at org.apache.commons.digester3.Digester.parse(	at hudson.plugins.dry.parser.cpd.CpdParser.parse(	at hudson.plugins.dry.parser.DuplicationParserRegistry.parse(	at hudson.plugins.analysis.core.FilesParser.parseFile(	at hudson.plugins.analysis.core.FilesParser.parseFiles(	at hudson.plugins.analysis.core.FilesParser.invoke(	at hudson.plugins.analysis.core.FilesParser.invoke(	at hudson.FilePath.act(	at hudson.FilePath.act(	at hudson.plugins.dry.DryPublisher.perform(	at hudson.plugins.analysis.core.HealthAwarePublisher.perform(	at hudson.tasks.BuildStepMonitor$1.perform(	at hudson.model.AbstractBuild$AbstractRunner.perform(	at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(	at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(	at hudson.model.Build$RunnerImpl.post2(	at hudson.model.AbstractBuild$	at	at