I was building the java project and during the execution below is the message seen

A problem occurred while processing the request.
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Stack trace

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Unknown Source)
at java.lang.AbstractStringBuilder.expandCapacity(Unknown Source)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(Unknown Source)
at java.lang.AbstractStringBuilder.append(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.lang.StackTraceElement.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.lang.Throwable.printStackTrace(Throwable.java:657)
at java.lang.Throwable.printStackTrace(Throwable.java:720)
at java.util.logging.SimpleFormatter.format(Unknown Source)
at java.util.logging.StreamHandler.publish(Unknown Source)
at java.util.logging.ConsoleHandler.publish(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at java.util.logging.Logger.doLog(Unknown Source)
at java.util.logging.Logger.log(Unknown Source)
at org.eclipse.jetty.util.log.JavaUtilLog.warn(JavaUtilLog.java:70)
at org.eclipse.jetty.server.handler.ContextHandler$Context.log(ContextHandler.java:2043)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:769)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:210)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:390)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:248)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:728)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:858)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:248)

Let me know if more information required.