On 28/09/2007, Sonam Chauhan <[EMAIL PROTECTED]> wrote: > Hello - > > > > I'm currently running JMeter 2.1.1 with Sun JVM 1.6 on RHEL ES 4 Linux > on VMWare ESX server, and am struggling with out of memory errors > running JMeter. >
Might be a garbage collection issue? Perhaps you could enable GC tracing on the JVMs, and compare the two systems. > > The same tests running on a Windows XP box (Sun JVM 1.5) don't throw out > of memory errors. What about JVM 1.6 on XP? > > Here's 'top' output of the process : > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > > > 24733 metatest 25 0 977m 150m 6320 S 99.2 4.0 16:20.65 java > > > > Normally I get errors with no stacktrace: > > java.lang.OutOfMemoryError: Java heap space > > > > However, upping the JVM max. heap memory to 1.5 GB, gave of memory error > with a stacktrace (see end of email). Is this significant or useful? > I don't think so. It just shows that the JVM ran out of memory trying to log a message. This was just "the straw that broke the camel's back", The rest of the straw was loaded previously by other parts of the test. > > Kind regards, > > Sonam Chauhan > > -- > > Corporate Express Australia Ltd. > > Phone: +61-2-93350725, Email: [EMAIL PROTECTED] > > > > > > > > STACKTRACE > > > > java.lang.OutOfMemoryError: Java heap space > > at java.util.Arrays.copyOf(Arrays.java:2882) > > at > java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.jav > a: > > 100) > > at > java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390) > > at java.lang.StringBuffer.append(StringBuffer.java:224) > > at java.io.StringWriter.write(StringWriter.java:95) > > at java.io.PrintWriter.write(PrintWriter.java:412) > > at java.io.PrintWriter.write(PrintWriter.java:429) > > at java.io.PrintWriter.print(PrintWriter.java:559) > > at java.io.PrintWriter.println(PrintWriter.java:695) > > at java.lang.Throwable.printStackTrace(Throwable.java:512) > > at > org.apache.log.format.PatternFormatter.getStackTrace(PatternFormatter.ja > va > > :638) > > at > org.apache.log.format.PatternFormatter.formatPatternRun(PatternFormatter > .j > > ava:519) > > at > org.apache.log.format.PatternFormatter.format(PatternFormatter.java:493) > > at > org.apache.log.output.AbstractOutputTarget.format(AbstractOutputTarget.j > av > > a:189) > > at > org.apache.log.output.AbstractOutputTarget.doProcessEvent(AbstractOutput > Ta > > rget.java:148) > > at > org.apache.log.output.AbstractTarget.processEvent(AbstractTarget.java:14 > 5) > > at org.apache.log.Logger.fireEvent(Logger.java:708) > > at org.apache.log.Logger.output(Logger.java:683) > > at org.apache.log.Logger.output(Logger.java:666) > > at org.apache.log.Logger.error(Logger.java:267) > > at > org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:298) > > at java.lang.Thread.run(Thread.java:619) > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

