Michael, Thanks for the report, I'm sure a lot of users will find it useful. I know I appreciate the feedback.
Thanks, David > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] On Behalf > Of [EMAIL PROTECTED] > Sent: Tuesday, October 01, 2002 8:13 PM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: RE: [OpenEJB-user] OpenEJB and Jetty > > > > Hi David, > > my apologies for my tardiness with this response. I've been > away from the client site for a little while. > > Our development team has put in place local Servlet and EJB > containers that can be run and debugged from the servlet code > to EJB code within an IDE environment ( we are using > JDeveloper 3.2.3). > > We are using: > - Jetty 4.0.5 > - OpenEJB 0.8.1 (using IntraJVM) > - JVM 1.2.2 (from JDeveloper) > > Initially when we attempted to setup the Jetty / OpenEJB dev > environment, we were getting errors when executing servlet > code that was narrowing or casting the Object returned from > the JNDI lookup of an EJB. A suggestion from the OpenEJB > Forum (thanks Jacek) indicated it may be a classloader > problem. In the end it was a problem in the Jetty code. It > allows for a classpath to be specified for a HttpContext > object that pointed at the servlet classes. Removing this > line of code from the Jetty Server resolved the EJB lookup problem. > > I've included a sample JettyServer.java source that simply > creates a Jetty HttpServer. > > (See attached file: JettyServer.java) > > When running this code, the classpath should include: > - OpenEJB libraries > - Jetty libraries > - EJB component code > - Servlet component code. > > I haven't included sample servlet and ejb code, but this is > relatively straightforward. The OpenEJB components are used > in IntraJVM mode. Once all this is setup, its possible to run > and debug both servlet and ejb code end to end. > > This configuration has helped provided our team with a useful > local dev environment. > > Cheers, > > Michael Mihaljevic > CMG IT Services. > > > > > > Michael > > Mihaljevic To: Michael > Mihaljevic/Person/DOJ@DOJ > Sent by: cc: > > Michael Subject: RE: > [OpenEJB-user] OpenEJB and Jetty > Mihaljevic > > > > 09/09/2002 > > 14:48 > > > > > > > > > > ----- Forwarded by Michael Mihaljevic/Person/DOJ on > 09/09/2002 14:44 ----- > > > Michael > > Mihaljevic To: "David > Blevins" <[EMAIL PROTECTED]> > cc: > > 09/09/2002 Subject: RE: > [OpenEJB-user] OpenEJB and Jetty(Document link: Michael > 14:48 Mihaljevic) > > > > > > > > > David, > > sure, I'll post these details shortly. > > Cheers, Michael > > > > > > > "David > > Blevins" To: > <[EMAIL PROTECTED]> > <david.blevins cc: > > @visi.com> Subject: RE: > [OpenEJB-user] OpenEJB and Jetty > Sent by: > > "David > > Blevins" > > <david.blevins > > @visi.com> > > > > 07/09/2002 > > 03:19 > > > > > > > > > Michael, > > This is great news. This is information other OpenEJB users > would surely be interested in. Could you post some of the > details on the user list? Namely: what version of Jetty; > what IDE and version; jdk version; a few steps for getting > Jetty and OpenEJB to play together. > > Thanks, > David > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, September 05, 2002 10:48 PM > > To: David Blevins > > Subject: RE: [OpenEJB-user] OpenEJB and Jetty > > > > > > > > Hi David, > > > > I'll be downloading the new release in the near future. For the > > moment, my problem with Jetty and OpenEJB integration has > been solved. > > We're now > > able to use an IDE to debug our app from servlets to EJBs. > > > > Cheers, Michael > > > > > > > > > > > > > > "David > > > > Blevins" To: > > <[EMAIL PROTECTED]>, "'LASKOWSKI,JACEK > > <david.blevins (HP-Poland,ex1)'" > > <[EMAIL PROTECTED]> > > @visi.com> cc: > > <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]> > > Sent by: Subject: RE: > > [OpenEJB-user] OpenEJB and Jetty > > "David > > > > Blevins" > > > > <david.blevins > > > > @visi.com> > > > > > > > > 06/09/2002 > > > > 13:16 > > > > > > > > > > > > > > > > > > Michael, > > > > We just cut OpenEJB 0.8.2 a few minutes ago. We are excited about > > this release as it contains some classpath enhancements, new > > documentation, and several fixes from Apple. > > > > Download that here: > > https://sourceforge.net/project/showfiles.php?group_id=44351&r > > elease_id= > > 108833 > > > > Some details on the classpath changes are here: > > https://sourceforge.net/tracker/index.php?func=detail&aid=6037 > > 84&group_i > > d=44351&atid=460291 > > > > Drop the new OpenEJB libraries in place of the old ones and > see if the > > problem doesn't magically go away. > > > > Let us know how it goes. > > > > David > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED]] On Behalf Of > > > [EMAIL PROTECTED] > > > Sent: Thursday, September 05, 2002 7:26 PM > > > To: LASKOWSKI,JACEK (HP-Poland,ex1) > > > Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] > > > Subject: RE: [OpenEJB-user] OpenEJB and Jetty > > > > > > > > > > > > Hi Jacek, > > > > > > thanks for your thoughts. It led me to try something > that ended my > > > misery. > > > > > > In my original code I use Jetty libraries to create a http > > server that > > > contains a HttpContext object. The example code from Jetty > > allows for > > > a classpath to be set for the HttpContext object and the > > documentation > > > indicates this should include any servlets that have been > > developed. > > > I found that if I don't specify this claspath > programatically then > > > the ClassCastException problems disappears. This seems > to validate > > > your thoughts on separate ClassLoaders for Jetty and OpenEJB. > > > > > > Thanks again. > > > > > > Cheers, Michael > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > "LASKOWSKI,JAC > > > > > > EK To: > > > "'[EMAIL PROTECTED]'" > > > (HP-Poland,ex1 > > > <[EMAIL PROTECTED]> > > > > > > )" cc: > > > > > > <jacek_laskows Subject: RE: > > > [OpenEJB-user] OpenEJB and Jetty > > > [EMAIL PROTECTED]> > > > > > > Sent by: > > > > > > "LASKOWSKI,JAC > > > > > > EK > > > > > > (HP-Poland,ex1 > > > > > > )" > > > > > > <jacek_laskows > > > > > > [EMAIL PROTECTED]> > > > > > > > > > > > > 05/09/2002 > > > > > > 21:56 > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > I did, but not with OpenEJB. > > > > > > It happens when an application manages a bunch of > > classloaders, each > > > responsible for other class sets. A class is uniquely > named by the > > > classloader, which loaded the class plus its fully qualified name > > > (i.e. the package and the class name). The application is > > the servlet > > > container - Jetty. It creates the classloaders, and once > the class > > > unmarshalled (i.e. copied in IntraVM mode) in one > > classloader is tried > > > to be cast to the same class, *but* in another classloader, the > > > clash occurs. > > > > > > So, I guess you added OpenEJB classes to WEB-INF/lib > *and* Jetty's > > > CLASSPATH or something like this. In other words, make sure that > > > OpenEJB jars are only in one place available for Jetty. > Otherwise, > > > you'll face the (very subtle) problem with narrow(). > > > > > > I remember I lost a whole day trying to find out what's > > wrong when the > > > same problem hit me. It was very important day in my Java > career :-) > > > > > > -Jacek > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED]] > > > > Sent: Thursday, September 05, 2002 9:14 AM > > > > To: [EMAIL PROTECTED] > > > > Subject: [OpenEJB-user] OpenEJB and Jetty > > > > > > > > > > > > Hi, > > > > > > > > I'm trying to setup a dev environment running Jetty 4.0.5 > > > and OpenEJB > > > > 0.8.1 with EJBs accessed in locally (intraVM). > > > > > > > > I've been successful in getting accessing a simple > > > HelloWorld ejb from > > > > an application but having problems from Jetty. The > > problem occurs > > > > after the context lookup of the EJB home. When > > attempting to narrow > > > > the home object or simply just casting it I get a > > > > ClassCastException. > > > > > > > > I've been successful in getting accessing a simple > > > HelloWorld ejb from > > > > an application but having problems from Jetty. The > > problem occurs > > > > after attempting to narrow the EJB home object (or just > > casting it) > > > > returned from the context lookup. The error is a class cast > > > > exception. This error does not occur when running > exactly the same > > > > code in a simple > > application > > > > (rather than a servlet inside Jetty). > > > > > > > > Has anyone experienced this problem. > > > > > > > > Cheers, Michael > > > > > > > > > > > > > > > > _________________________________________ > > > > ***CONFIDENTIAL*** > > > > The information in this message and in any attachments may be > > > > confidential. If you are not the intended recipient of this > > > message, > > > > you must not read, forward, print, copy, disclose, or use > > > in any way > > > > the information this message or any attachment contains. If you > > > > are not the intended recipient, please notify the sender > > > > immediately and delete or destroy all copies of this > > message and any > > > > > > attachments. > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > > This sf.net email is sponsored by: OSDN - Tired of that > > > same old cell > > > > phone? Get a new here for FREE! > > > > https://www.inphonic.com/r.asp?r=sourceforge1&refcode1=vs3390 > > > > _______________________________________________ > > > > http://OpenEJB.sf.net > > > > OpenEJB-user mailing list [EMAIL PROTECTED] > > > > https://lists.sourceforge.net/lists/listinfo/openejb-user > > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________ > > > ***CONFIDENTIAL*** > > > The information in this message and in any attachments may be > > > confidential. 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Get a new here for FREE! > > > https://www.inphonic.com/r.asp?r=sourceforge1> &refcode1=vs3390 > > > > > > > > > _______________________________________________ > > > http://OpenEJB.sf.net > > > OpenEJB-user mailing list [EMAIL PROTECTED] > > > https://lists.sourceforge.net/lists/listinfo/openejb-user > > > > > > > > > > > > > > > > > > > _________________________________________ > > ***CONFIDENTIAL*** > > The information in this message and in any attachments may be > > confidential. If you are not the intended recipient of this > message, > > you must not read, forward, print, copy, disclose, or use > in any way > > the information this message or any attachment contains. 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