java.lang.OutOfMemoryError: Java heap space

[Dor Levy]

hi All,

have someone got this error before?

below is the full error log from terminal:

java.lang.OutOfMemoryError: Java heap space

Dumping heap to java_pid2384.hprof ...

Heap dump file created [6473628825 bytes in 90.660 secs]

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

        at java.util.Arrays.copyOf(Arrays.java:2219)

        at java.util.ArrayList.grow(ArrayList.java:242)

        at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:216)

        at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:208)

        at java.util.ArrayList.add(ArrayList.java:440)

        at au.com.bytecode.opencsv.CSVParser.parseLine(CSVParser.java:250)

        at au.com.bytecode.opencsv.CSVParser.parseLine(CSVParser.java:178)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$$anonfun$apply$2$$anonfun$1.apply(SeparatedValuesParser.scala:45)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$$anonfun$apply$2$$anonfun$1.apply(SeparatedValuesParser.scala:45)

        at scala.collection.Iterator$$anon$19.next(Iterator.scala:401)

        at scala.collection.Iterator$$anon$19.next(Iterator.scala:401)

        at scala.collection.Iterator$class.foreach(Iterator.scala:772)

        at scala.collection.Iterator$$anon$19.foreach(Iterator.scala:399)

        at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)

        at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:102)

        at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:250)

        at scala.collection.Iterator$$anon$19.toBuffer(Iterator.scala:399)

        at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:237)

        at scala.collection.Iterator$$anon$19.toArray(Iterator.scala:399)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$$anonfun$apply$2.apply(SeparatedValuesParser.scala:48)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$$anonfun$apply$2.apply(SeparatedValuesParser.scala:42)

        at com.excilys.ebi.gatling.core.util.IOHelper$.use(IOHelper.scala:22)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$.apply(SeparatedValuesParser.scala:42)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$.csv(SeparatedValuesParser.scala:30)

        at com.excilys.ebi.gatling.core.feeder.csv.SeparatedValuesParser$.csv(SeparatedValuesParser.scala:29)

        at com.excilys.ebi.gatling.core.Predef$.csv(Predef.scala:36)

        at pocket_avatar_load_test.getUser.<init>(getUser.scala:25)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

        at java.lang.Class.newInstance(Class.java:374)

any advice? i'm pretty stuck here

Thanks

Dor

[Dor Levy]

BTW i have increased Xms to 512M & Xmx 4096M

[Pierre DAL-PRA]

Hi,

Looks like your using one hell of a big CSV file as a feeder...

What does it looks like ?

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[Stéphane Landelle]

+1 for knowing the size of your file.

Then, you should consider migrating to Gatling 2 release candidates. We no longer use an Array but a Vector for this (so we don't need consecutive memory to store the whole feeder data).

[Dor Levy]

the csv file is not that big ~22MB.

how difficult it is to migrate to Gatling 2 RC? 

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תודה

דור

[Stéphane Landelle]

Insanely complex.

But we documented it for the sheer fun of writing documentation: http://gatling.io/docs/2.0.0-RC4/project/migration_guides/1.5.x-to-2.0.0-RC3.html