Lib entry and tools.jar placement
Hello everybody, The need of a java compiler for JSP is probably well known, as well as the trick to copy the "tools.jar" to the Orion root directory. And failing to do this results in the following error message: Compiler error: Javac not installed, copy tools.jar from your sun JDK dir's lib dir to the orion dir or add a library path="the/path/to/tools.jar" / and restart I would like to try the second alternative, by adding this "library" element to some XML file, which i assume is config/application.xml. However, after a lot of trial-and-horror I have not been able to make this technique working. Anyone knowns of any tricks, or better, can describe the loading mechanisms involved using the "library" statement. I use Orion 1.3.8 on a Windows NT / Windows 2000 configuration. Best regards /August
Use of the Plug-in 1.3 from Sun with an Orion EJB.
Hello everyone!
Has anyone tried to use a plug-in solution to convert a
EJB-client-JavaBean into an ActiveX-control object with Orion?
We will consider this solution:
VB/C++ scripting client or similar ---COM---
EJB-client JAR/Bean --ORMI/IIOP--- Enterprise Java Bean deployed in
Orion
Everything works out nice, except for one crucial
point:
com.dewire.common.messaging.MessagingException: Unable to
locate home interface for a class __Proxy1at
com.dewire.common.messaging.MessageSenderImpl.createInstance(MessageSenderImpl.java:398)at
com.dewire.common.messaging.MessageSenderImpl.send(MessageSenderImpl.java:324)Nested
exception :
java.lang.ClassCastExceptionat
com.sun.corba.se.internal.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:296)at
javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)at
com.dewire.common.messaging.MessageSenderImpl.createInstance(MessageSenderImpl.java:390)at
com.dewire.common.messaging.MessageSenderImpl.send(MessageSenderImpl.java:324)
This exception seems to occur *only* when trying to run the
plug-in setup, it never occurs in a regular client setup (e g using startup in a
EJB client JAR).
The platform chosen is: JDK 1.3, Orion 1.2.0, Win98, Plug-in
from Sun 1.3.0. The plug-in has been setup (through the control panel) to use
the JDK runtime environment (1.3).
What exactly is the "__Proxy1" class which I retreive in the
JNDI lookup? Is the use of the "com.sun.corba.se" an indication of use of an
incorrect SPI for underlying network communication?
Excerpt from the client code (where the exception is
thrown):
Object objRef = null;
try { objRef =
initial.lookup ("java:comp/env/ejb/"+ location);
} catch (NamingException e)
{ throw new MessagingException (e, "Cannot
resolve ejb name"); }
RemoteMessageSenderHome home = null;
Throwable t = null;
try { home =
(RemoteMessageSenderHome) objRef; }
catch (ClassCastException e)
{ t = e;
try
{ home = (RemoteMessageSenderHome)
PortableRemoteObject.narrow(objRef,
RemoteMessageSenderHome.class);
} catch (ClassCastException
f)
{ t =
f; }
} if (home == null)
throw new MessagingException (t, "Unable to locate home interface for a " +
objRef.getClass().toString()); // Always happens in plug-in.
else System.out.println
("Successfully resolved a " + objRef.getClass().toString()); // Always happens
when not running Plug-in
Any tips regarding these matters would be greatly appreciated.
I have plunged into different mail lists and news archives with no success.
/August
Re: JMS question, topics mixed up? Problem fixed.
Hello everyone again! The problem has been solved. I missed to fill in the topic/topic declarations in config/jms.xml. However, the error was confusing, and a good guess is that the application should not be able be run in the first place without the declarations in jms.xml. I would still be interested in clarifications and experiences about these matters. Also the status of the Orion JMS server would be very interesting to know more about, mostly since we consider to use Orion as a production platform. /August - Original Message - From: August Linnman To: Orion-Interest Cc: Robin Rosenberg Sent: Tuesday, August 22, 2000 12:08 AM Subject: JMS question, topics mixed up? Hello everyone! I have a rather mysterious problem related to Topic Pub/Sub. My application defines two separate topics used for different purposes, but no matter what I try all TopicSubscribers will receive data posted on *both* topics. I am somewhat a newbie to JMS, but not to messaging systems, and this is not what I expect from the Orion JMS server. Am I running into a known problem? The mailing list contains so far very few postings on JMS. What is the status of the Orion JMS server? Thanks in advance for all advice. /August
JMS: subscribe(timeout) does not work?
Hi all, When I call TopicSubscriber.subscribe (timeoutvalue) the call does not seem to return in a time-out situation. It just waits forever. According to spec the timeoutvalue is specified in milliseconds. Anyone knows of this problem? Is there some setup needed for a time-out call to work properly? Code sample: TopicConnectionFactory factory = (TopicConnectionFactory)new InitialContext().lookup(...); TopicConnection connection = factory.createTopicConnection(); Topic topic = (Topic)new InitialContext().lookup(.); TopicSession session = connection.createTopicSession(false, TopicSession.CLIENT_ACKNOWLEDGE); TopicSubscriber subscriber = session.createSubscriber(topic); connection.start(); Message theMessage = subscriber.receive (5000);// MAY HANG, BUT SHOULD WAIT AT MOST 5 SECS. The test program on the other side is abruptly stopping its message delivery, either through a hard cut-wire, or through System.exit(-1). We want to be able to cope with abruptly stopping clients. Can this influence in some ways? It is in theory to work around this problem using subscribe() with no parameters and start a separate time-out/killer thread, but it seems very odd and awkward. Thanks in advance for any ideas. /August
JMS question, topics mixed up?
Hello everyone! I have a rather mysterious problem related to Topic Pub/Sub. My application defines two separate topics used for different purposes, but no matter what I try all TopicSubscribers will receive data posted on *both* topics. I am somewhat a newbie to JMS, but not to messaging systems, and this is not what I expect from the Orion JMS server. Am I running into a known problem? The mailing list contains so far very few postings on JMS. What is the status of the Orion JMS server? Thanks in advance for all advice. /August
Problem with Class.forName
Hello all! I seems to be impossible for my session bean to load a class dynamically through Class.forName(String) or Class.forName(String, boolean, ClassLoader). The class I try to load is placed in the EJB-JAR. Any attempt always causes a ClassNotFoundException. I can recall vaguely that this might be a security thing. Anyone has any indication to this kind of problem? Thanks in advance /August
Sharing code between web-app and ejbs
Hello everyone! This is maybe not orion-specific (off-topic) but may be relevant anyway. How can you in a manageable way include "library" code, i e common code in an EAR which should be accessible from both the WAR and the EJB-JAR, and also preferably be put in the same EAR. The only way I can think of now is to duplicate code between the EJB-JAR part and the WEB-INF/classes directory, which is not a very nice solution. Another way would be to link the external code through another JAR-file, and tie together using a Manifest, but I cannot resolve exactly which Manifest should be used (the EAR or the JAR?) and how this should be done. I have read the Sun specs aboutthe Jar-manifest format but either they are very unclear, or I have not found the right information. Any clarity in this matter would be greatly appreciated. /August
Re: JMS sample error
Hello everyone again. The problem disappeared after having done a "java -jar autoupdate.jar". Maybe a bug that was corrected. :-) /August - Original Message - From: August Linnman To: Orion-Interest Sent: Tuesday, August 08, 2000 5:38 PM Subject: JMS sample error Hello everyone. When trying to run the coffemaker sample I get the error below. I think I follow the instructions carefully. This error resembles many other similar cases related to class loading problems. I use JDK 1.3. Anyone having a clue? /August Linnman, Dewire Innovation AB, Stockholm. === D:\orion\demo\jmsjava -jar coffeemaker.jar Login for admin account - works fine .. After appr 5 seconds this happens java.lang.ClassNotFoundException: com/evermind/server/administration/ResourceFinder at com.evermind.server.rmi.a8.invokeMethod(JAX) at com.evermind.server.rmi.a_.invoke(JAX) at com.evermind.server.rmi.a0.invoke(JAX) at __Proxy0.getLocation(Unknown Source) at com.evermind.server.administration.LazyResourceFinder.getLocation(JAX) at com.evermind.server.Application.akc(JAX) at com.evermind.server.ApplicationClientInitialContextFactory.getInitialContext(JAX) at javax.naming.spi.NamingManager.getInitialContext(Unknown Source) at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source) at javax.naming.InitialContext.init(Unknown Source) at javax.naming.InitialContext.init(Unknown Source) at CoffeeMaker.main(CoffeeMaker.java:23)
doPost/doGet confusion
Hello! We have experienced a most strange behaviour on a fresh installation of Orion 1.0rc1 deploying a web application of ours. When executing a "POST" request on a servlet (using a java client program using a HTTPUrlConnection) the orion server seems to dispatch to the "doGet" method instead of "doPost"!! We have tried to swap the Orion server for a Tomcat 3.1, using exactly the same client software and the same deployed WEB-archive and code, and Tomcat correctly invokes the "doPost" method for the same request. Is this a common and known bug, or do we need to dig deeper to get more debug information? Any information useful in solving this mystery would be greatly appreciated. Best Regards /August Linnman, ITEC OBI AB, Stockholm. ========== August Linnman, ITEC Open Business Integrator AB. Stockholm, Sweden Telephone: +4670 930 61 05 PGP key lookup: http://certserver.pgp.com:11371/pks/lookup?op=getsearch=0x2BF524E7 == BEGIN:VCARD VERSION:2.1 N:Linnman;August FN:August Linnman ORG:ITEC Open Business Integrator AB;Software development TITLE:System Engineer NOTE;ENCODING=QUOTED-PRINTABLE:PGP key lookup: http://certserver.pgp.com:11371/pks/lookup?op=3Dgetsearch= =3D0x2BF524E7=0D=0A TEL;WORK;VOICE:+468-343431 TEL;WORK;VOICE:+4670-4928641 TEL;HOME;VOICE:+468-308917 TEL;CELL;VOICE:+4670-9306105 TEL;WORK;FAX:+468-343438 TEL;HOME;FAX:+468-314954 ADR;WORK:;;Ynglingagatan 17;Stockholm;Stockholm;11347;Stockholm LABEL;WORK;ENCODING=QUOTED-PRINTABLE:Ynglingagatan 17=0D=0AStockholm, Stockholm 11347=0D=0AStockholm ADR;HOME:;;Torbjörn Klockares g 13;Stockholm;Stockholm;113 30;Sweden LABEL;HOME;ENCODING=QUOTED-PRINTABLE:Torbj=F6rn Klockares g 13=0D=0AStockholm, Stockholm 113 30=0D=0ASweden X-WAB-GENDER:2 URL:http://www.itec.se/august.htm URL:http://www.itec.se EMAIL;PREF;INTERNET:[EMAIL PROTECTED] REV:2525T112300Z END:VCARD
