Daniel Gandara wrote:
Oliver Deakin wrote:
Daniel,
The new VME is still at the 1.4 level, but with updated VM and kernel
classes. As I have mentioned, two of the main reasons for this VME
update was to allow for package renaming to go ahead, and also to
allow String to be removed from the kernel, making kernel
implementation easier for other VM providers. If there is a necessity
in the future for a 1.5 VME, then one could be created, but currently
classlib only requires 1.4.
agreed, but it is hard to think of a "current" classlib requiring 1.5
when
the available VMs are 1.4 .... for example: we have contributed two
packages: java.math and java.rmi which are 1.5 compliant and dependent
but they are waiting at the JIRA
Understood. It would be good to get these contributions into Harmony,
and I hope that the option to compile them down to 1.4 bytecodes will
allow us to do that. With a couple of Harmony VMs moving towards using
the class library at 1.4 level, it is definitely worth investigating
these avenues, at least as a short term solution.
I believe that while we are in a transitional phase from 1.4 to 1.5,
a 1.4 VME will suffice, and the solution that is being discussed in
the "[classlib] Switching to a 5.0 compiler" [1] is the way to go
ahead for the moment.
ok, I'll ask there about removing 1.5 dependencies from java.rmi and
compile it to get 1.4 bytecode...
I hope that you would not have to remove too much when compiling to 1.4
bytecodes - I guess this is something we still need to investigate. Have
you tried building the rmi code with the -target jsr14 option? Id
(amongst others, Im sure) be interested to hear what results you get,
and whether any alterations are necessary.
My hope is that in the not too distant future we may see one or two
of the Harmony VMs stepping up to 1.5 level, and we can begin to use
them with our classlib :)
hope so too.
Thanks,
Daniel
Regards,
Oliver
[1]
http://mail-archives.apache.org/mod_mbox/incubator-harmony-dev/200604.mbox/[EMAIL PROTECTED]
Daniel Gandara wrote:
Oliver,
pleased to hear good news from you!! I believe this is great for
the project.
I have one question regarding the version of the VME, is it 1.5?
I'm asking this
because we have received contributions of some packages (for
example: java.math
and java.rmi packages) which are 1.5 (compliant and dependant) but
cannot be
used with current VM.
Thanks,
Daniel
----- Original Message ----- From: "Oliver Deakin"
<[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, April 04, 2006 1:26 PM
Subject: New IBM VME
Hi all,
I'm pleased to announce that a new IBM VME will be made available
soon at:
http://www-128.ibm.com/developerworks/java/jdk/harmony/index.html
The new VME downloads are named Harmony-vme-win.IA32-v2.zip and
Harmony-vme-linux.IA32-v2.tar.gz. I would like to stress that if
you download these packages now, they will *not* work with the
class library code currently in Harmony Subversion. This VME has
been created looking forward to changes that have been discussed on
the list, but have not yet been carried out. They are:
- completion of renaming of com.ibm packages, especially in LUNI
module. The new VME expects only org.apache.harmony package names.
- removal of String from the kernel, and addition of an
intern(String) method to the org.apache.harmony.kernel.vm.VM class.
The new VME does *not* contain String in its kernel jars. It does,
however, provide an intern(String) method in the VM class, as was
suggested in [1]. The String.intern() method in Harmony will just
redirect the call to VM.intern(String).
Once these changes are made in the Harmony repository, the new
version of the VME will be required to run with Harmony classlib. I
will send out a further mail when this is done confirming that the
new VME is available and ready to use.
A link to the VME v1 will still be available in the same place, and
this should still be used until the above changes are made.
Regards,
Oliver
[1]
http://mail-archives.apache.org/mod_mbox/incubator-harmony-dev/200602.mbox/[EMAIL PROTECTED]
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Oliver Deakin
IBM United Kingdom Limited
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