Re: [Wrapper-user] Re: DCOM and wrapper

[Jim R. <jr...@er...>]

Leif,

What's strange is the DCOM _client_ work fine.  We have an =20
implementation of both the client and the server side of OPC.  Both use =20
DLLs.  The client is fine, the server fails.

Jim

On 2003.12.11 20:47, Leif Mortenson wrote:
> Philip,
> Have you made any progress with your DCOM issue? There was a post =20
> today on a related issue that may be at the root of your problems. He =20
> noticed that DCOM was expecting the JVM to be the one specified by =20
> JAVA_HOME, but the JVM launched by the Wrapper was not the same due =20
> to the value of the wrapper.java.command property.
>=20
> Go take a look at the issue and let me know the status of your =20
> problem. =20
> http://sourceforge.net/tracker/index.php?func=3Ddetail&aid=3D820216&gro=
up_id=3D39428&atid=3D425187
>=20
> Cheers,
> Leif
>=20
> Philip Kubat wrote:
>=20
>> Ok, here is my guess on what is going on. DCOM/COM interfaces exists =20
>> in a MTA (multi thread apartment) and maintains is own reference =20
>> counter to threads using it, as stated my Microsoft. When I the java =20
>> app in ran within wrapper the jni calls are started in new threads. =20
>> I can view this via the Microsoft debugger. When the first call =20
>> finishes that thread ends, (prior to me next jni call) and it kills =20
>> the last and only reference in the MTA. Thus when the other JNI =20
>> calls go to use this interface it now longer exists.
>>=20
>> So the question is why do the jni calls get place in new threads. =20
>> This is not the results when the app is not ran within wrapper. IE =20
>> =E2=80=9Cjava myAppClass=E2=80=9D
>>=20
>> Thanks
>>=20
>> Phil
>>
>=20
>=20
>=20
>=20
> -------------------------------------------------------
> This SF.net email is sponsored by: IBM Linux Tutorials.
> Become an expert in LINUX or just sharpen your skills.  Sign up for =20
> IBM's
> Free Linux Tutorials.  Learn everything from the bash shell to sys =20
> admin.
> Click now! http://ads.osdn.com/?ad_id=3D1278&alloc_id=3D3371&op=3Dclick
> _______________________________________________
> Wrapper-user mailing list
> Wra...@li...
> https://lists.sourceforge.net/lists/listinfo/wrapper-user
--=20

Jim Redman
(505) 662 5156 x85
http://www.ergotech.com