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From "Anton Luht (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1123) Different class serialVesrionUIDs printed by RI and harmony when class compiled with Eclipse compiler
Date Wed, 09 Aug 2006 13:17:14 GMT
Different class serialVesrionUIDs printed by RI and harmony when class compiled with Eclipse
compiler
-----------------------------------------------------------------------------------------------------

                 Key: HARMONY-1123
                 URL: http://issues.apache.org/jira/browse/HARMONY-1123
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
         Environment: Windows XP Professional IA32
            Reporter: Anton Luht
            Priority: Minor
         Attachments: Test.class

The following code:

import java.io.ObjectStreamClass;
import java.io.Serializable;

public class Test implements Serializable {
    public static void main(String[] args) {
        System.err.println(ObjectStreamClass.lookup(Test.class).getSerialVersionUID());
    }
}

compled with Eclipse compiler prints in DRLVM+Harmony serial version that differs from RI:

RI 1.4:
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)      17:11
BEA WebLogic JRockit(TM) 1.4.2_04 JVM  (build ari-31788-20040616-1132-win-ia32,
Native Threads, GC strategy: parallel)

-685733381553069680

RI 1.5:
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC:
 System optimized over throughput (initial strategy singleparpar))

-685733381553069680

DRLVM + Harmony:
java version "1.5.0"
pre-alpha : not complete or compatible
svn = r430024, (Aug  9 2006), Windows/ia32/msvc 1310, debug build
http://incubator.apache.org/harmony
5425548825465637688

If we compile same class with RI 1.4 or 1.5 javac , all serial version uids will be the same:

with 1.4 javac : 2581399349675783478
with 1.5 javac : -1279921928557717157

Please see class file attached.


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