Y9ou're missing another jar files, log4j. > -----Original Message----- > From: Gopal Mukkamala [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, October 09, 2002 4:03 AM > To: David Blevins; 'Marcello Schmidt' > Cc: [EMAIL PROTECTED] > Subject: RE: [OpenEJB-user] Tomcat :EJB -- Found a VM Bug > > > > Hi , > Thanks a zillion for the response. > > Nice Research David. > > Noted few points there. > > I hacked setclasspath.sh in tomcat and it seemed to > work at least for the Resource. > > > ===>Another Error though: > ======================================= > java.lang.NoClassDefFoundError: > org/apache/log4j/Priority > at org.openejb.OpenEJB.init(OpenEJB.java:150) > at org.openejb.OpenEJB.init(OpenEJB.java:130) > at > org.openejb.core.ivm.naming.InitContextFactory.initializeOpenE > JB(InitContextFactory.java:100) > at > org.openejb.core.ivm.naming.InitContextFactory.getInitialConte > xt(InitContextFactory.java:71) > ======================================= > > This is the call to the servlet : > http://desistar.no-ip.org:8080/examples/servlet/CallEJB > > > This is the code : > http://desistar.no-ip.org:8080/examples/callejb.txt > > Any thoughts. > > Regards > Gopal > > --- David Blevins <[EMAIL PROTECTED]> wrote: > > Hey Guys, > > > > I'm stepping through the whole process. I also get > > the > > java.net.MalformedURLException: unknown protocol: > > resource > > > > This is extremely, *extremely*, strange as the > > java.protocol.handler.pkgs is definitely set. And > > as I write this very > > sentence, something occurs to me... > > > > THIS IS A STUPID CLASSPATH PROBLEM > > > > Darn it. Ok, let me go check for sure.... Ok, yep, > > there it is. If you > > happen to have the JDK 1.3.1 source handy, open up > > java.net.URL and go > > to line 923, you'll see this: > > > > cls = Class.forName(clsName); > > > > The java.net.URL class expects all protocol handlers > > to be in the system > > level classpath, but Tomcat doesn't put anything > > there it uses a "child" > > classloader that the VM can't see. This explains > > another problem > > someone was having making an OpenEJB Avalon block, > > Avalon also uses > > their own classloader to load libraries. > > > > The question that immediately comes to my mind is > > "Why doesn't the same > > problem occur when the JVM tries to create the JNDI > > InitialContectFactory?" Those are also factory-type > > class names > > specified as properties that must be loaded by the > > JVM and instantiated. > > Let me take a look and see why it works there.... > > Ok, there it is. So, > > very inconsistent! Look at this, this is how they > > (Sun) load JNDI > > factories: > > > > ClassLoader cl = > > Thread.currentThread().getContextClassLoader(); > > return Class.forName(className, true, cl); > > > > This is in com.sun.naming.internal.VersionHelper12 > > in the JNDI source > > code -- you have to download the J2EE 1.3 source > > code to get that file. > > So, here they (Sun) are not using the system > > classpath to load the > > factory but using whatever classloader the > > application may be using. > > Obviously this is much smarter. > > > > So to sum up: > > -- When loading URLStreamHandler implementations, > > Sun looks for the > > class in the system classpath. Tomcat doesn't load > > anything in the > > system classpath, so the URLStreamHandler can't be > > found and you get a > > misleading exceptions saying that the protocol is > > unknown. > > > > My second point: > > -- IMO, this is a VM bug. Sun should be loading > > java.net.URLStreamHandler implementations using the > > classloader > > associated with the thread. This is exactly what > > they do for loading > > JNDI InitialContextFactory implementations and (now > > that I think of it) > > is also what they do in the java.io package for > > object serialization. > > > > Action: > > -- I'm definitely going to file a VM bug report. I > > know of an easy > > workaround for this and will put that in right away. > > That will ship > > with OpenEJB 0.8.4. Looks like that release might > > come out a little > > sooner that expected. > > > > In the meantime, you can either: > > 1. Hack Tomcat's setclasspath.sh or > > setclasspath.bat to include the > > openejb-0.8.3.jar in the classpath. This jar holds > > the class Sun > > expects to be in the system classpath. > > 2. Or use Resin > > > > > > Well, that was interesting. You learn something new > > everyday. > > > > Good night all, > > David Blevins > > > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED]] > > On Behalf > > > Of Gopal Mukkamala > > > Sent: Tuesday, October 08, 2002 7:32 PM > > > To: [EMAIL PROTECTED] > > > Subject: [OpenEJB-user] Tomcat :EJB > > > > > > > > > Root cause: java.net.MalformedURLException: > > unknown > > > protocol: resource > > > > > > Since the last attempt I copied all jar files > > > on to WEB-INF/lib > > > directory that seems to have suppressed all > > > Class not found errors. > > > > > http://desistar.no-ip.org:8080/examples/callejb.txt > > > > It is basically giving MalformedURL ? > > > > Any thoughts will be quiet helpful. > > > > Regards > > Gopal > > > > > > > > > > __________________________________________________ > > Do you Yahoo!? > > Faith Hill - Exclusive Performances, Videos & More > > http://faith.yahoo.com > > > > > > > ------------------------------------------------------- > > This sf.net email is sponsored by:ThinkGeek > > Welcome to geek heaven. > > http://thinkgeek.com/sf > > _______________________________________________ > > http://OpenEJB.sf.net > > OpenEJB-user mailing list > > [EMAIL PROTECTED] > > > https://lists.sourceforge.net/lists/listinfo/openejb-user > > > > > __________________________________________________ > Do you Yahoo!? > Faith Hill - Exclusive Performances, Videos & More > http://faith.yahoo.com > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > http://OpenEJB.sf.net > OpenEJB-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/openejb-user >
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