[rules-users] BRMS on 1.4 using Retroweaver

[Paul Browne]

Markus,

Can you give me details of what you've tried to get  and the errors that 
you're getting? I'd imagine at lot of the issues are JSF / GWT / Seam 
related , on top of the 1.5 v 1.4 problems. I may be able to make some 
suggestions when I get time - day jobs pemitting :-) On a unrelated 
project , we did manage to get a similar app working on an older Sun App 
Server; If I had to do it again I would spend my time to get a more 
modern app server!

Remember that typically the BRMS is an editing tool used by 2-10 people, 
so a case could be made for a 'local' Tomcat or JBoss. The rules can 
then be exported from this and deployed on the existing production 
Websphere (JVM version permitting) - no BRMS needed there.

Paul
www.firstpartners.net/blog

Markus Helbig wrote:
> tried it for several hours, but hadn't success to get it running ...
>
> 2007/10/17, Mark Proctor <mproctor at codehaus.org>:
>   
>> Paul Browne wrote:
>>     
>>> Haven't tried it in this context , but would using Retroweaver help
>>> ?(Java 5 code compiled to work in Java 1.4 JVM)
>>>       
>> It may do, but we don't have the resources to QA this, so its up to the
>> community to see if that works.
>>     
>>> Mark Proctor wrote:
>>>       
>>>> Markus Helbig wrote:
>>>>         
>>>>> that's a real pitty ... it's a great thing ... but WebSphere 6.0.x is
>>>>> using JRE 1.4 ... damned
>>>>>
>>>>>           
>>>> There are still people out there using drools 2.x because they are on
>>>> JDK1.3. But their comes a time when the advantages of moving
>>>> outweight the advantages of staying, its not an easy decision but
>>>> jdk1.4 has been around since 2003, so I think we've supported it long
>>>> enough. Our next major release will be jdk1.5 only, both BRMS and
>>>> engine.
>>>>         
>>>>> 2007/10/15, Mark Proctor <mproctor at codehaus.org>:
>>>>>
>>>>>           
>>>>>> Markus Helbig wrote:
>>>>>>
>>>>>>             
>>>>>>> Hi,
>>>>>>>
>>>>>>> i tryed to deploy the BRMS on a WebSphere Server, but i get
>>>>>>> incompatibility errors. It seems BRMS can not be used with JRE 1.4.x,
>>>>>>> right? Why? JRE 1.4.x is still very common and often used in
>>>>>>> enterprises ...
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>> yup the BRMS is JDK1.5 - welcome to the future :)
>>>>>>
>>>>>>             
>>>>>>> Cheers
>>>>>>>
>>>>>>> Markus
>>>>>>>
>>>>>>> Stacktrace is:
>>>>>>>
>>>>>>> Could not be defined due to: (org/jboss/seam/servlet/SeamListener)
>>>>>>> bad
>>>>>>> major version at offset=6
>>>>>>> This is often caused by having a class defined at multiple
>>>>>>> locations within the classloader hierarchy.  Other potential causes
>>>>>>> include compiling against an older or newer version of the class
>>>>>>> that has an incompatible method signature.
>>>>>>> Dumping the current context classloader hierarchy:
>>>>>>>     ==> indicates defining classloader
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>               
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>>>>>>
>>>>>>
>>>>>>             
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>>           
>>>> ------------------------------------------------------------------------
>>>>
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