Memory leak in 1.5.0 JVM

[Mika Nystrom]

Nick Johnson writes:
>What happens if you add a thread.join()?
>
>   Nick

What do you know.. the leak goes away.  Also the program uses 1/3
as much memory to start with (RES: 12M vs. 40M).

    Mika


>
>On Thu, 21 Feb 2008, Mika Nystrom wrote:
>
>> Hello there freebsd-java,
>> 
>> I am running a binary downloaded 1.5.0 JVM on a FreeBSD 5.5 system:
>> 
>> (167)rover:~/levinc/memleak>java -version
>> java version "1.5.0"
>> Java(TM) 2 Runtime Environment, Standard Edition (build diablo-1.5.0-b01)
>> Java HotSpot(TM) Client VM (build diablo-1.5.0_07-b01, mixed mode)
>> (168)rover:~/levinc/memleak>uname -a
>> FreeBSD rover 5.5-RELEASE FreeBSD 5.5-RELEASE #4: Sat Nov 17 12:13:24 PST 2007     mika at rover:/usr/src/sys/i386/compile/ROVER  i386
>> 
>> I have found the following program to leak memory on FreeBSD, but not on Windows with same Java 1.6.0, nor on Debian with gij 1.4.2:
>> 
>> class Leakq {
>> 
>>   private static class MyThread extends Thread {
>>     public void run() 
>>     {
>> 
>>     }
>>   }
>> 
>>   public static void main (String[] args)
>>   {
>>     for(;;) {
>>       (new MyThread()).start();
>>     }
>>   }
>> }
>> 
>>     Best regards,
>>       Mika Nystrom
>>       mika at alum.mit.edu
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>> 
>
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