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

via JIRA by Haakon Nilsen, 1 year ago
Java heap space
via Stack Overflow by The Java Not-So-Pro
, 2 years ago
via Stack Overflow by user911
, 2 years ago
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2367)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:130)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:114)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:415)
at java.lang.StringBuilder.append(StringBuilder.java:132)
at scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197)
at scala.collection.TraversableOnce$$anonfun$addString$1.apply(TraversableOnce.scala:327)
at com.mongodb.casbah.MongoCursor.foreach(MongoCursor.scala:494)
at com.mongodb.casbah.MongoCollection.foreach(MongoCollection.scala:847)
at com.mongodb.casbah.MongoCollection.addString(MongoCollection.scala:847)
at com.mongodb.casbah.MongoCollection.mkString(MongoCollection.scala:847)
at com.mongodb.casbah.MongoCollection.toString(MongoCollection.scala:847)
at scala.runtime.ScalaRunTime$.scala$runtime$ScalaRunTime$$inner$1(ScalaRunTime.scala:321)
at scala.runtime.ScalaRunTime$.stringOf(ScalaRunTime.scala:333)
at scala.runtime.ScalaRunTime$.replStringOf(ScalaRunTime.scala:341)

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