My application makes use of a configuration file stored inside a jar that ships
in the EAR file. This config file is accessed by way of a
classloader.getResourceAsStream(), where the classloader is returned from the
Thread.getContextClassloader() method.
This operation succeeds on WebLogic and WebSphere as expected, but on JBoss
4.0.3SP1, I cannot get anything except a null input stream from this call.
My application is laid out as:
app.ear/
| ejb.jar/
| META-INF/MANIFEST.MF: Class-Path: ./config.jar
| com.my.classes.ConfigLoader
| config.jar/
| config.properties
The loader code is (in brief -- there's a lot of error checking et al that I
have removed):
ClassLoader loader = Thread.currentThread().getContextClassLoader();
| InputStream ins = loader.getResourceAsStream ("/config.properties");
| if (ins == null) {
| System.out("The input stream was null after getResourceAsStream");
| }
| else {
| loadConfig(ins);
| }
So, what I'm wondering is, of course, why does this not work? I've traced the
classloader initialization, and it appears that the config jar is being added
to the UCL (here is the trace output from a deployment, up to the point where
the beans themselves are configured):
anonymous wrote : 09:49:05,970 DEBUG [RepositoryClassLoader] Unregistering
[EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12702app.ear ,addedOrder=30}
| 09:49:05,970 DEBUG [UnifiedLoaderRepository3] UnifiedLoaderRepository
removed(true) [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12702app.ear ,addedOrder=30}
| 09:49:06,004 INFO [EARDeployer] Init J2EE application:
file:/opt/md/jboss/server/default/deploy/app.ear
| 09:49:06,125 DEBUG [UnifiedClassLoader] New jmx UCL with url
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear
| 09:49:06,125 DEBUG [RepositoryClassLoader] setRepository, [EMAIL
PROTECTED], [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=0}
| 09:49:06,125 DEBUG [RepositoryClassLoader] setRepository, [EMAIL
PROTECTED], [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=0}
| 09:49:06,125 DEBUG [UnifiedLoaderRepository3] Adding [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=0}
| 09:49:06,126 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
| 09:49:06,509 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.aciworldwide.ecourier.utility
| 09:49:06,517 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.aciworldwide.ecourier.auth.jboss
| 09:49:06,521 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.aciworldwide.ecourier.auth
| 09:49:06,528 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/ejb.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,552 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/jrmsadm.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,554 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/ecjavautil.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,558 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
javax.mail
| 09:49:06,569 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
javax.mail.event
| 09:49:06,570 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
javax.mail.search
| 09:49:06,573 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
javax.mail.internet
| 09:49:06,579 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.util
| 09:49:06,582 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.smtp
| 09:49:06,585 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.iap
| 09:49:06,587 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.imap
| 09:49:06,594 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.imap.protocol
| 09:49:06,599 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.pop3
| 09:49:06,601 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.mail.handlers
| 09:49:06,602 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/mail.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,605 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
javax.activation
| 09:49:06,609 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.activation.registries
| 09:49:06,610 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
com.sun.activation.viewers
| 09:49:06,611 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/activation.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,615 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
conf
| 09:49:06,615 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
org.opensaml
| 09:49:06,642 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
org.opensaml.artifact
| 09:49:06,644 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
org.opensaml.provider
| 09:49:06,645 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
schemas
| 09:49:06,648 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/opensaml-1.1.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,814 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/xercesImpl.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,833 DEBUG [ClassLoaderUtils] Multiple class loaders found for pkg:
org.w3c.dom
| 09:49:06,845 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/xml-apis.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,880 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/xstream-1.1.2.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
| 09:49:06,881 DEBUG [RepositoryClassLoader] Added url:
file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear-contents/config.jar,
to ucl: [EMAIL PROTECTED]
url=file:/opt/md/jboss/server/default/tmp/deploy/tmp12704app.ear ,addedOrder=32}
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