Joe Gittings wrote:
>
> Hi Philippe,
>
> I'm sorry to have to report another bug in this area, but this has just
> cropped up... The fact that method signatures are coded into the generated
> code can result in JVM-version-dependency of the generated code. I.e. this
> code was generated by GenIC under JDK 1.3.0 Win32:
>
> public uk.org.rbgkew.sepasal.ejb.data.taxon.TaxonFacade
> findByPrimaryKey(uk.org.rbgkew.sepasal.ejb.data.taxon.TaxonPK p1) throws
> java.rmi.RemoteException, javax.ejb.FinderException {
> Trace.outln(Trace.DB_15,
> "JOnASTaxonFacadeHome.findByPrimaryKey(uk.org.rbgkew.sepasal.ejb.data.ta
> xon.TaxonPK)");
> JOnASTaxonFacadeRemote ejbobj = null;
> String methodSignature = "public abstract strictfp
> uk.org.rbgkew.sepasal.ejb.data.taxon.TaxonFacade
> uk.org.rbgkew.sepasal.ejb.data.taxon.TaxonFacadeHome.findByPrimaryKey(uk
> .org.rbgkew.sepasal.ejb.data.taxon.TaxonPK) throws
> java.rmi.RemoteException,javax.ejb.FinderException" ;
> RequestCtx rctx = preinvoke(2, methodSignature) ;
>
> However, when run under JDK 1.2.2 Solaris, Method.toString() generates
> "public abstract strict uk.org........... etc" for the above method. I.e.
> with "strict" rather than "strictfp". Since MethodGuard is loaded up
> dynamically at runtime using Method.toString(), this means that the
> MethodGuard will not work if you try to run EJBs that were deployed under
> 1.3.0 Win32 in a Jonas server running under 1.2.2 Solaris. (Since the
> methodSignature passed into JEntityHome.preinvoke differs from that loaded
> into the MethodGuard).
>
> This could be fixed this way: a method in Java is uniquely specified by the
> class, method name, and parameter types. So instead of using
> Method.toString() you could use a concatenation of the method name and
> parameter types, both in the generated code, and in the code which loads up
> MethodGuard at runtime. (You're already concatenating the EJB name so that
> takes care of the class).
>
> Sorry to be a bore but I think this is important! I think it ought to be
> possible to run under JDK 1.2 EJBs that were deployed under JDK 1.3.
>
> Regards,
> Joe
Thank you Joe,
I have fixed the bug today.
You will have the fix in the next version that will be released very
soon.
regards,
--
Philippe
Philippe Coq Evidian Phone: (33) 04 76 29 78 49
Bull S.A - 1 rue de Provence - 38432 Echirolles Cedex France
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