[rules-users] RE: Deploying the BRMS on Web-Sphere 6.1

Steven Núñez steve.nunez at illation.com.au
Thu Sep 25 04:56:59 EDT 2008


Just an update on this for whoever is interested:

I've been in discussions with Vikrant, and both of us have been able to get
the M1 snapshot of Guvnor working with WebSphere 6.1. The latest snapshots
however fail as described in the Guvnor bug I mentioned in an earlier email.

If anyone has any success, or is working on this, please join in and let us
know your results.

    - SteveN

On 23/09/08 3:49 PM, "Vikrant Yagnick" <VikrantY at mastek.com> wrote:

> Well it  is not that serious a problem as I initially thought. As I mentioned
> the URL(adding the index.jsp) works, so there is an easy work-around
> available.
> 
> The main bug seems to be that if a URL is sent to WebSphere which does not
> have a physical file in it the filter which should kick in and re-direct does
> not do so. (http://www-01.ibm.com/support/docview.wss?rs=180&uid=swg1PK27620)
> 
> This has nothing to do with the BRMS of course and is a problem for all
> Web-Apps in this version of Websphere(We are using 6.1.0.0). Adding the
> index.jsp to the URL seems to work fine for now. I am working on the BRMS to
> see if there are any other side-effects of this.
> 
> Maybe, we should update a Wiki or troubleshooting doc on this so that it is
> known to the community.
> 
> Digging around IBM Support after my post, I have found quite a few bugs
> mentioned in version 6.1 regarding how Servlet Filters work and of some on
> JSF(Especially JBOSS Seam) problems with the particular version.
> (http://www-01.ibm.com/support/docview.wss?uid=swg1PK47367)
> 
> IBM has however provided patches for all of them and I am going to give
> another shot at seeing the behavior after upgrading to a higher release.
> 
> -----Original Message-----
> From: rules-users-bounces at lists.jboss.org
> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Michael Neale
> Sent: Tuesday, September 23, 2008 5:25 AM
> To: Rules Users List
> Subject: Re: [rules-users] RE: Deploying the BRMS on Web-Sphere 6.1
> 
> Hi Vikrant.
> 
> well the drools-guvnor/ doesn't use a filter so much as it is default
> web.xml behaviour - you can specify a "welcome" page, which it goes to
> when the root path is supplied. If Websphere 6.1 can't even do that -
> I would say something is seriously wrong (may be a bad install?) - you
> could try it with a really simple war that just has 1 jsp and a
> web.xml and see if it happens with it? although I think:
> 
> As for servlet filters - as we use Seam, it uses servlet filters to
> manage lifecycles, so yes, that could be it (if its not the above). It
> isn't possible to replace the filters, as they do a very different job
> from servlets (although the difference is subtle).
> 
> What would be better would be to work out what the problem is with
> websphere and filters I think.
> 
> On Mon, Sep 22, 2008 at 9:34 PM, Vikrant Yagnick <VikrantY at mastek.com> wrote:
>> Well it clearly is a problem with filters as the following works in
>> WebSphere:
>> 
>> 
>> 
>> http://localhost:9080/drools-guvnor/index.jsp
>> 
>> 
>> 
>> However just typing
>> 
>> 
>> 
>> http://localhost:9080/drools-guvnor does not and gives you the Ugly 500.
>> 
>> 
>> 
>> 
>> 
>> Cheers,
>> 
>> Vikrant
>> 
>> 
>> 
>> From: Vikrant Yagnick
>> Sent: Monday, September 22, 2008 4:38 PM
>> To: Rules Users List
>> Subject: Deploying the BRMS on Web-Sphere 6.1
>> 
>> 
>> 
>> Hi All,
>> 
>> 
>> 
>> Has anyone been able to deploy the BRMS War file on Websphere 6.1.  The BRMS
>> deploys without problems , but I get the following error when I try to
>> access the BRMS:
>> 
>> 
>> 
>> Error 500: com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor
>> incompatible with com.ibm.wsspi.webcontainer.servlet.IServletWrapper.
>> 
>> 
>> 
>> However, the WebDAV servlet still works.
>> 
>> I dug around a little, and have found that this problem has occurred for
>> other web-applications as well who have provided a workaround:
>> 
>> 
>> 
>> http://wiki.merbivore.com/pages/deploying-a-merb-application-to-a-jee-contain
>> er-us
>> (Read Step 7)
>> 
>> 
>> 
>> The problem seems to be related to Servlet-Filters. These do not seem to
>> work correctly with Websphere 6.1.  In the site mentioned they have replaced
>> the servlet-filter with a normal server. (The BRMS seems to use a servlet
>> filter for /* url mapping).
>> 
>> 
>> 
>> I have seen posts on other forums regarding the BRMS deployment on Websphere
>> 6.1 but no answers as to how to make this work.
>> 
>> 
>> 
>> Any, help would be appreciated.
>> 
>> 
>> 
>> Cheers,
>> 
>> Vikrant
>> 
>> 
>> 
>> 
>> 
>> 
>> MASTEK LTD.
>> Mastek is in NASSCOM's 'India Top 20' Software Service Exporters List.
>> In the US, we're called MAJESCOMASTEK
>> 
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> 
> 
> 
> --
> Michael D Neale
> home: www.michaelneale.net
> blog: michaelneale.blogspot.com
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> MASTEK LTD.
> Mastek is in NASSCOM's 'India Top 20' Software Service Exporters List.
> In the US, we're called MAJESCOMASTEK
> 
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