out of memory - out of mempry for large number of tests. using maven and sonar -

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i using sonar 2.6 , on running command: 

mvn site cobertura:cobertura

i getting following error...

tests run: 1397, failures: 10, errors: 117, skipped: 0  flushing results... flushing results done exception in thread "thread-0" java.lang.outofmemoryerror: java heap space     @ java.io.objectstreamclass.invokereadobject(objectstreamclass.java:974 )     @ java.io.objectinputstream.readserialdata(objectinputstream.java:1849)      @ java.io.objectinputstream.readordinaryobject(objectinputstream.java:1 753)     @ java.io.objectinputstream.readobject0(objectinputstream.java:1329)     @ java.io.objectinputstream.readobject(objectinputstream.java:351)     @ java.util.arraylist.readobject(arraylist.java:593)     @ sun.reflect.generatedmethodaccessor33.invoke(unknown source)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodacces sorimpl.java:25)     @ java.lang.reflect.method.invoke(method.java:597)     @ java.io.objectstreamclass.invokereadobject(objectstreamclass.java:974 )     @ java.io.objectinputstream.readserialdata(objectinputstream.java:1849)      @ java.io.objectinputstream.readordinaryobject(objectinputstream.java:1 753)     @ java.io.objectinputstream.readobject0(objectinputstream.java:1329)     @ java.io.objectinputstream.defaultreadfields(objectinputstream.java:19 47)     @ java.io.objectinputstream.defaultreadobject(objectinputstream.java:48 0)     @ net.sourceforge.cobertura.coveragedata.linedata.readobject(linedata.j ava:525)     @ sun.reflect.generatedmethodaccessor32.invoke(unknown source)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodacces sorimpl.java:25)     @ java.lang.reflect.method.invoke(method.java:597)     @ java.io.objectstreamclass.invokereadobject(objectstreamclass.java:974 )     @ java.io.objectinputstream.readserialdata(objectinputstream.java:1849)      @ java.io.objectinputstream.readordinaryobject(objectinputstream.java:1 753)     @ java.io.objectinputstream.readobject0(objectinputstream.java:1329)     @ java.io.objectinputstream.readobject(objectinputstream.java:351)     @ java.util.hashmap.readobject(hashmap.java:1030)     @ sun.reflect.generatedmethodaccessor35.invoke(unknown source)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodacces sorimpl.java:25)     @ java.lang.reflect.method.invoke(method.java:597)     @ java.io.objectstreamclass.invokereadobject(objectstreamclass.java:974 )     @ java.io.objectinputstream.readserialdata(objectinputstream.java:1849)      @ java.io.objectinputstream.readordinaryobject(objectinputstream.java:1 753)     @ java.io.objectinputstream.readobject0(objectinputstream.java:1329) [error] there test failures.

my machine has win-xp 32 bit environment , 3.2gb ram. ps have set env variaable maven_opts 512m. not able set higher value coz get

unable load jvm error.

there few properties at. in addition cobertura.maxmen (per raghuram's pointer above, @ configuration surefire plugin. make sure forkmode not never - experiment.

note in description of jvm property "jvm settings not inherited maven_opts." try setting memory options there, instead.


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