Re: OpenEJB/Tomcat 6 manual integration help

Wed, 15 Apr 2009 09:18:43 -0700 

Hi Zach,
Those directions should probably be deleted. Simply deploying the openejb.war and then running through the "installer" link at http://localhost:8080/openejb/ is definitely the best approach. It will do the installation steps for you and tell you what it's doing. 


In 3.1 we updated the integration a bit and it looks like we forgot to  
update that page to reflect it.  Add the openejb-tomcat-loader-3.1.jar  
to $CATALINA_HOME/lib and change the listener classname from  
"org.apache.openejb.loader.OpenEJBListener" to  
"org.apache.openejb.tomcat.loader.OpenEJBListener"


Definitely let us know if you have any more issues.

-David

On Apr 14, 2009, at 9:22 AM, Zach Romans wrote:


Hello,


I am getting a ClassNotFoundException for  
org.apache.openejb.loader.OpenEJBListener on Tomcat startup after  
copying the openejb-loader-3.1.jar into $CATALINA_HOME/lib and  
adding the Listener element to the server.xml.


I am using Tomcat 6.0.14 with Java 1.6.0_05 on Solaris 9.


I am trying to manually integrate as per http://openejb.apache.org/manual-installation.html 
, since the installer does not seem to like my tweaked-for-my-own- 
purposes Tomcat installation.


openejb.war downloaded and expanded to $CATALINA_HOME/webapps/openejb:


{zr129649} phys-lsu-hadbms-tst-01:/local/DATA/SUNWtatc5/apache- 
tomcat-6.0.14

574 > ls webapps/openejb/

LICENSE.txt          default.css          images/               
lib/                 testsuite.jsp
META-INF/            ejbclasses.html      index.jsp            re- 
help.html         tomcat/
NOTICE.txt           ejbref.html          installer-view.jsp    
testejb.jsp          viewclass.jsp
README.txt           enc-help.html        invokeobj.jsp         
testhome.jsp         viewejb.jsp
WEB-INF/             howitworks.html      juli.properties       
testint.jsp          viewjndi.jsp


openejb-loader-3.1.jar copied to my $CATALINA_HOME/lib:


{zr129649} phys-lsu-hadbms-tst-01:/local/DATA/SUNWtatc5/apache- 
tomcat-6.0.14

575 > ls -l lib/open*

-rw-r--r--   1 tdmsadm  dba        12845 Apr 13 23:21 lib/openejb- 
javaagent-3.1.jar
-rw-r--r--   1 tdmsadm  dba        34063 Apr 14 00:02 lib/openejb- 
loader-3.1.jar


and the Listener element added to my server.xml:


{zr129649} phys-lsu-hadbms-tst-01:/local/DATA/SUNWtatc5/apache- 
tomcat-6.0.14

576 > cat conf/server.xml
<!-- Note:  A "Server" is not itself a "Container", so you may not
    define subcomponents such as "Valves" at this level.
    Documentation at /docs/config/server.html
-->
<Server port="8006" shutdown="SHUTDOWN">
 <!-- Listener for OpenEJB plugin -->
 <Listener className="org.apache.openejb.loader.OpenEJBListener" />


complete contents of catalina.out from most recent startup attempt:


Apr 14, 2009 12:33:50 AM org.apache.tomcat.util.digester.Digester  
startElement

SEVERE: Begin event threw exception

java.lang.ClassNotFoundException:  
org.apache.openejb.loader.OpenEJBListener

       at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
       at java.security.AccessController.doPrivileged(Native Method)
       at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

       at  
org 
.apache 
.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java: 
205)

       at org.apache.tomcat.util.digester.Rule.begin(Rule.java:153)

       at  
org.apache.tomcat.util.digester.Digester.startElement(Digester.java: 
1276)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers 
.AbstractXMLDocumentParser 
.emptyElement(AbstractXMLDocumentParser.java:179)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanStartElement(XMLDocumentFragmentScannerImpl.java:1337)
       at  
com 
.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2740)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
807)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
737)
       at  
com 
.sun 
.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java: 
107)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java: 
1205)
       at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl 
$JAXPSAXParser.parse(SAXParserImpl.java:522)
       at  
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
504)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
538)

       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

       at  
sun 
.reflect 
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at  
sun 
.reflect 
.DelegatingMethodAccessorImpl 
.invoke(DelegatingMethodAccessorImpl.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)

       at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java: 
260)
       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 
412)

Apr 14, 2009 12:33:50 AM org.apache.catalina.startup.Catalina load
WARNING: Catalina.start using conf/server.xml:

java.lang.ClassNotFoundException:  
org.apache.openejb.loader.OpenEJBListener
       at  
org 
.apache 
.tomcat.util.digester.Digester.createSAXException(Digester.java:2726)
       at  
org 
.apache 
.tomcat.util.digester.Digester.createSAXException(Digester.java:2752)
       at  
org.apache.tomcat.util.digester.Digester.startElement(Digester.java: 
1279)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers 
.AbstractXMLDocumentParser 
.emptyElement(AbstractXMLDocumentParser.java:179)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanStartElement(XMLDocumentFragmentScannerImpl.java:1337)
       at  
com 
.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2740)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
807)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
737)
       at  
com 
.sun 
.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java: 
107)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java: 
1205)
       at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl 
$JAXPSAXParser.parse(SAXParserImpl.java:522)
       at  
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
504)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
538)

       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

       at  
sun 
.reflect 
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at  
sun 
.reflect 
.DelegatingMethodAccessorImpl 
.invoke(DelegatingMethodAccessorImpl.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)

       at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java: 
260)
       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 
412)
Apr 14, 2009 12:33:50 AM org.apache.tomcat.util.digester.Digester  
startElement

SEVERE: Begin event threw exception

java.lang.ClassNotFoundException:  
org.apache.openejb.loader.OpenEJBListener

       at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
       at java.security.AccessController.doPrivileged(Native Method)
       at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

       at  
org 
.apache 
.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java: 
205)

       at org.apache.tomcat.util.digester.Rule.begin(Rule.java:153)

       at  
org.apache.tomcat.util.digester.Digester.startElement(Digester.java: 
1276)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers 
.AbstractXMLDocumentParser 
.emptyElement(AbstractXMLDocumentParser.java:179)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanStartElement(XMLDocumentFragmentScannerImpl.java:1337)
       at  
com 
.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2740)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
807)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
737)
       at  
com 
.sun 
.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java: 
107)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java: 
1205)
       at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl 
$JAXPSAXParser.parse(SAXParserImpl.java:522)
       at  
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
504)
       at org.apache.catalina.startup.Catalina.start(Catalina.java: 
558)

       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

       at  
sun 
.reflect 
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at  
sun 
.reflect 
.DelegatingMethodAccessorImpl 
.invoke(DelegatingMethodAccessorImpl.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)

       at  
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 
413)

Apr 14, 2009 12:33:50 AM org.apache.catalina.startup.Catalina load
WARNING: Catalina.start using conf/server.xml:

java.lang.ClassNotFoundException:  
org.apache.openejb.loader.OpenEJBListener
       at  
org 
.apache 
.tomcat.util.digester.Digester.createSAXException(Digester.java:2726)
       at  
org 
.apache 
.tomcat.util.digester.Digester.createSAXException(Digester.java:2752)
       at  
org.apache.tomcat.util.digester.Digester.startElement(Digester.java: 
1279)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.parsers 
.AbstractXMLDocumentParser 
.emptyElement(AbstractXMLDocumentParser.java:179)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanStartElement(XMLDocumentFragmentScannerImpl.java:1337)
       at  
com 
.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2740)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal 
.impl 
.XMLDocumentFragmentScannerImpl 
.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
807)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.XML11Configuration.parse(XML11Configuration.java: 
737)
       at  
com 
.sun 
.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java: 
107)
       at  
com 
.sun 
.org 
.apache 
.xerces 
.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java: 
1205)
       at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl 
$JAXPSAXParser.parse(SAXParserImpl.java:522)
       at  
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
       at org.apache.catalina.startup.Catalina.load(Catalina.java: 
504)
       at org.apache.catalina.startup.Catalina.start(Catalina.java: 
558)

       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

       at  
sun 
.reflect 
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at  
sun 
.reflect 
.DelegatingMethodAccessorImpl 
.invoke(DelegatingMethodAccessorImpl.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)

       at  
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 
413)

Apr 14, 2009 12:33:50 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 0 ms
java.lang.reflect.InvocationTargetException
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

       at  
sun 
.reflect 
.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at  
sun 
.reflect 
.DelegatingMethodAccessorImpl 
.invoke(DelegatingMethodAccessorImpl.java:25)

       at java.lang.reflect.Method.invoke(Method.java:597)

       at  
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
       at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 
413)

Caused by: java.lang.NullPointerException

       at org.apache.catalina.startup.Catalina.await(Catalina.java: 
630)
       at org.apache.catalina.startup.Catalina.start(Catalina.java: 
590)

       ... 6 more



I'm no Java or Tomcat guru (I'm getting this setup for our sw  
developer), but to my knowledge, I do not need to do anything  
explicit to get Tomcat to "see" the .jar files placed in  
$CATALINA_HOME/lib.


Any advice/suggestions greatly appreciated.

aTdHvAaNnKcSe

- z

--
Zach Romans - Test Engineer IV                            [email protected]

WWOPS/Test Infrastructure Engineering            ("desk")  
x30913/503-345-9313

Sun Microsystems, Inc

./.*                 "It's a hash of a hash of an array of hashes of  
arrays!"


























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