[ http://jira.jboss.com/jira/browse/JBAS-1551?page=history ]
Bruno Melloni updated JBAS-1551:
--------------------------------
Attachment: TestServlet.java
This is the TestServlet used in both EAR files. The only difference between
the 2 EARs is a change in this servlet to say "Hello 1" or "Hello 2" (same name
and package for the class to verify that they are truly in isolated
environments).
> Classloader bug (version > 3.2.3)
> ---------------------------------
>
> Key: JBAS-1551
> URL: http://jira.jboss.com/jira/browse/JBAS-1551
> Project: JBoss Application Server
> Type: Bug
> Environment: All O/S. Tested on WinXP and Linux
> Reporter: Bruno Melloni
> Attachments: TestServlet.java, coA.ear, coB.ear
>
>
> Bug did not exist in version 3.2.3. It is present in (at least) 3.2.6 and
> 4.0.1. Bug may be a simple "documentation bug" caused by not updating
> published configuration instructions after making a server change.
> Bug: It is no longer possible to run an application in its own classloader
> instead of the unified classloader, even when configured in an EAR according
> to published jBoss instructions for private classloaders.
> The following test application was confirmed to work with 3.2.3 but have .jar
> conflicts with jBoss 3.2.6 and 4.0.1 (commons-logging.jar to be specific) at
> deployment time. The conflicts would not occur if there classloader
> isolation worked correctly.
> coA.ear:
> - coA.war:
> --- index.jsp
> --- META-INF/Manifest.mf
> --- WEB-INF/web.xml
> --- WEB-INF/classes/coLog4j.xml (not used at this point)
> --- WEB-INF/classes/TestServlet.class
> --- WEB-INF/lib/commons-logging.jar
> --- WEB-INF/lib/log4j-1.2.9.jar
> - META-INF/application.xml
> - META-INF/jboss-app.xml
> - META-INF/Manifest.mf
> - Manifest.mf (both are default ant manifests with no manual content)
> - application.xml:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE application PUBLIC "-//Sun Microsystems, Inc.//DTD J2EE Application
> 1.3//EN" "http://java.sun.com/dtd/application_1_3.dtd";>
> <application id="Application_ID">
> <display-name>Test A</display-name>
> <module>
> <web>
> <web-uri>coA.war</web-uri>
> <context-root>coA</context-root>
> </web>
> </module>
> </application>
> - jboss-app.xml:
> <?xml version="1.0"?>
> <jboss-app>
> <loader-repository>
> coa.akuratus.com:loader=coA.ear
> <loader-repository-config>
> java2ParentDelegation=false
> </loader-repository-config>
> </loader-repository>
> </jboss-app>
> - web.xml:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application
> 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd";>
> <web-app id="WebApp">
> <display-name>coA</display-name>
> <servlet>
> <servlet-name>log4jTest</servlet-name>
> <servlet-class>TestServlet</servlet-class>
> <load-on-startup>1</load-on-startup>
> </servlet>
> <welcome-file-list>
> <welcome-file>index.jsp</welcome-file>
> </welcome-file-list>
> </web-app>
> - TestServlet.java:
> import javax.servlet.http.HttpServlet;
> import org.apache.log4j.Logger;
> public class TestServlet extends HttpServlet {
> public static String hello = "HELLO 1";
> public void init() {
> System.out.println("\n\n"+hello+"\n\n");
> }
> }
> An identical setup was made for coB.ear, but with "HELLO 2" as the
> string for the servlet. In 3.2.3 both ears can be loaded and unloaded
> with no exceptions, and the proper strings displaying at load time.
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