[jboss-user] [Installation, Configuration & DEPLOYMENT] - jboss-service.xml classpath element using HTTP protocol

[logicmason]

Hi All,

I've been searching around, but I can't find anywhere that shows me the correct format for including an external JAR file using the HTTP protocol.

In the jboss-service DTD, it reads:

<!-- The codebase attribute specifies the base URL from which the jars or classes
  | are loaded from. If the codebase is '.' then it is equal to the mbean deployment URL.
  | Otherwise, it is resolved as a path spec relative to the serverHomeURL (e.g., file:/jboss-3.2.0)
  | using the URL ctor URL(serverHomeURL, codebase)
  | 
  | Examples:
  | 
  |    <classpath codebase='.' archives='util.jar' />
  |    <classpath codebase='http://classloader.dot.com' archives='*' />
  |    <classpath codebase="lib" archives="*"/>
  | -->

So, I've set up two jboss servers on my machine, and the both start without issue without including this extra classpath entry in the conf/jboss-service.xml file.

The second jboss instance  (or the "external" one in relation to my main instance) has a deployed WAR containg the JAR file. When I enter the URL in my browser, the save dialog pops up asking me if I want to save the JAR file to the file system, therefore indicating the context is propely deployed, and the JAR is available:

http://localhost:9080/mycontext/my-external-jar.jar

However, when I add this element to jboss-service.xml:


  | <classpath codebase="http://localhost:9080/mycontext" archives="my-external-jar.jar"/>
  | 


I get this exception almost immediately:


  | 12:57:41,382 ERROR [MainDeployer] Could not initialise deployment: file:/C:/JBoss/jboss-4.0.5/server/default/conf/jboss-service.xml
  | java.lang.NoClassDefFoundError: org/apache/commons/httpclient/HttpException
  |         at java.lang.Class.getDeclaredConstructors0(Native Method)
  |         at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
  |         at java.lang.Class.getConstructor0(Class.java:2671)
  |         at java.lang.Class.newInstance0(Class.java:321)
  |         at java.lang.Class.newInstance(Class.java:303)
  |         at org.jboss.net.protocol.URLListerFactory.createURLLister(URLListerFactory.java:70)
  |         at org.jboss.net.protocol.URLListerFactory.createURLLister(URLListerFactory.java:53)
  |         at org.jboss.deployment.SARDeployer.parseXMLClasspath(SARDeployer.java:556)
  |         at org.jboss.deployment.SARDeployer.init(SARDeployer.java:193)
  |         at org.jboss.deployment.MainDeployer.init(MainDeployer.java:872)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:809)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
  |         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:585)
  |         at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
  |         at $Proxy5.deploy(Unknown Source)
  |         at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
  |         at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
  |         at org.jboss.Main.boot(Main.java:200)
  |         at org.jboss.Main$1.run(Main.java:490)
  |         at java.lang.Thread.run(Thread.java:595)
  | Failed to boot JBoss:
  | org.jboss.deployment.DeploymentException: Could not initialise deployment: file:/C:/JBoss/jboss-4.0.5/server/default/conf/jboss-service.xml; 
  | - nested throwable: (java.lang.NoClassDefFoundError: org/apache/commons/httpclient/HttpException)
  |         at org.jboss.deployment.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:53)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:814)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
  |         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:585)
  |         at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
  |         at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
  |         at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
  |         at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
  |         at $Proxy5.deploy(Unknown Source)
  |         at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
  |         at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
  |         at org.jboss.Main.boot(Main.java:200)
  |         at org.jboss.Main$1.run(Main.java:490)
  |         at java.lang.Thread.run(Thread.java:595)
  | Caused by: java.lang.NoClassDefFoundError: org/apache/commons/httpclient/HttpException
  |         at java.lang.Class.getDeclaredConstructors0(Native Method)
  |         at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
  |         at java.lang.Class.getConstructor0(Class.java:2671)
  |         at java.lang.Class.newInstance0(Class.java:321)
  |         at java.lang.Class.newInstance(Class.java:303)
  |         at org.jboss.net.protocol.URLListerFactory.createURLLister(URLListerFactory.java:70)
  |         at org.jboss.net.protocol.URLListerFactory.createURLLister(URLListerFactory.java:53)
  |         at org.jboss.deployment.SARDeployer.parseXMLClasspath(SARDeployer.java:556)
  |         at org.jboss.deployment.SARDeployer.init(SARDeployer.java:193)
  |         at org.jboss.deployment.MainDeployer.init(MainDeployer.java:872)
  |         at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:809)
  |         ... 21 more
  | 12:57:41,397 INFO  [Server] Runtime shutdown hook called, forceHalt: true
  | 12:57:41,397 INFO  [Server] JBoss SHUTDOWN: Undeploying all packages
  | 12:57:41,413 INFO  [Server] Shutdown complete
  | Shutdown complete
  | Halting VM
  | Press any key to continue . . .
  | 


I've had a look in the "server/default/lib" directory, and the commons httpclient JAR is present, and does contain the HttpException class, so anyone know why I might be getting this, or if I have the correct format in the classpath XML element?

Do I need to re-order the deployment items? (JAR, WAR, etc...)

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