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From "Geir Magnusson Jr (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-1830) [drlvm][reliability] VM crashes on java.net.InetAddress.isReachable()
Date Sat, 04 Nov 2006 13:46:18 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1830?page=all ]

Geir Magnusson Jr resolved HARMONY-1830.
----------------------------------------

    Resolution: Fixed

I fixed this in the classlib with r471184.

We were leaking fds.  That's not the original bug report, but it is where this is now.

The test program now runs fine

Ubuntu 6  

> [drlvm][reliability] VM crashes on java.net.InetAddress.isReachable()
> ---------------------------------------------------------------------
>
>                 Key: HARMONY-1830
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1830
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Nikolay Bannikov
>         Assigned To: Geir Magnusson Jr
>
> VM crashes on java.net.InetAddress.isReachable() methods after 300 iterations.
> Note, that all works fine on RI.
> import java.net.*;
> class Test2{
>   public static void main(String[] args){
>     String[] arr = {"localhost", "localhost", "localhost", "localhost", "localhost",
"localhost"};
>     for(int j = 0; j < 500; j++) {
>       if (j % 10 == 0) {
>             System.out.println("Iterations: " + j);
>       }
>       try{
>         for(int i=0; i<arr.length; i++){
>           InetAddress inet = InetAddress.getByName(arr[i]);
>           inet.isReachable(1000);
>           inet = null;
>         }
>         System.gc();
>       }catch(Exception e){
>         e.printStackTrace();
>       }
>     }
>   }
> }
> HARMONY output:
> =============
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or
its licensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r450941, (Sep 28 2006), Windows/ia32/msvc 1310, release build http://incubator.apache.org/harmony
> Iterations: 260
> Iterations: 270
> Iterations: 280
> Iterations: 290
> Iterations: 300
> JNI.ExceptionDescribe: java/lang/NoClassDefFoundError:
> java/lang/NoClassDefFoundError : org/apache/harmony/luni/net/NetUtil
>  at java.net.InetAddress.isReachable (InetAddress.java: 788)
>  at java.net.InetAddress.isReachable (InetAddress.java: 759)
>  at Test2.main (Test2.java: 14)
> Error occured while running starter class: Exception left unhandled before destroying

> JNI.ExceptionDescribe: java/lang/NoClassDefFoundError:
> java/lang/NoClassDefFoundError : org/apache/harmony/luni/net/NetUtil
>  at java.net.InetAddress.isReachable (InetAddress.java: 788)
>  at java.net.InetAddress.isReachable (InetAddress.java: 759)
>  at Test2.main (Test2.java: 14)
> Error occured in starter class shutdown() method.
> An unhandled error (8) has occurred.
> HyGeneric_Signal_Number=00000008
> ExceptionCode=c0000006
> ExceptionAddress=7C35F0CB
> ContextFlags=0001003f
> Handler1=00401010
> Handler2=11105CE0
> EDI=00000000
> ESI=7C38CC8C
> EAX=7C35F0CB
> EBX=00252198
> ECX=7C38CCA4
> EDX=7C38B160
> EIP=7C35F0CB
> ESP=0013F7E8
> EBP=0013F820
> Module= \jdk\jre\bin\MSVCR71.dll
> Module_base_address=7C340000
> Offset_in_DLL=0001f0cb
> This application has requested the Runtime to terminate it in an unusual way.
> Please contact the application's support team for more information.

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