Neato. I did not know that. =]
Just curious but what are the licensing restrictions from sun on
distributing there jar files?
--jason
On Thu, 21 Jun 2001, Scott M Stark wrote:
> This was an effort initiated by Marc due to some legal concerns. You'll
> have to ping him for the details.
>
> The serialVersionUID does not change simply because you recompile the
> file and we should not just be fixing it because if they don't match it
> indicates an inconsistent coding. For the problem class your showing javap on
> the 1.3 RI j2ee.jar shows:
>
> lib 1209>javap -classpath j2ee.jar javax.transaction.SystemException
> Compiled from SystemException.java
> public class javax.transaction.SystemException extends java.lang.Exception {
> public int errorCode;
> public javax.transaction.SystemException();
> public javax.transaction.SystemException(java.lang.String);
> public javax.transaction.SystemException(int);
> }
>
> while the javax.transaction.SystemException in jboss-j2ee is:
>
> public class SystemException extends Exception
> {
>
> /** Creates new <code>SystemException</code> without detail message.
> */
> public SystemException()
> {
> }
>
> /** Constructs an <code>SystemException</code> with the specified detail message.
> @param msg the detail message.
> */
> public SystemException(String msg)
> {
> super(msg);
> }
>
> /** Constructs an <code>SystemException</code> with the specified detail message.
> @param errcode the error code for the exception
> */
> public SystemException(int errcode)
> {
> }
> }
>
> This shows that the class is missing the 'public int errorCode;' ivar, hench the
> serialVersionUID mismatch as it should be. Fix the source recompile on a
> linux box and now the serialVersionUID matches that from the 1.3 RI
> j2ee.jar:
>
> bash-2.04$ serialver -classpath /tmp/JBoss_2_4/jboss-j2ee/src/main
>javax.transaction.SystemException
> javax.transaction.SystemException: static final long serialVersionUID =
>839699079412719325L;
>
> lib 1210>serialver -classpath j2ee.jar javax.transaction.SystemException
> javax.transaction.SystemException: static final long serialVersionUID =
>839699079412719325L;
>
>
>
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