From http://java.net/jira/browse/JERSEY-689 ; I'm not sure if this is a Jersey or a Weld issue.

I'm having problems getting my app to run under Glassfish 3.1 embedded, and have boiled the issue down to a minimal test case involving maven-embedded-glassfish-plugin for glassfish 3.1, jersey 1.5, and cdi (weld). There isn't even any Java code of my own in it, only web.xml, beans.xml and a pom.xml that declares a dependency on jersey-server 1.5. I'm using Jersey 1.5 because I need its improved file upload handling and JSON support.

When I use it to run an embedded glassfish server, deployment to to the embedded server fails with:

3/03/2011 6:40:28 PM org.glassfish.deployment.admin.DeployCommand execute
SEVERE: Exception while loading the app : org/apache/tools/ant/Task
java.lang.ClassNotFoundException: org.apache.tools.ant.Task
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
... (elided, see full exception linked below) ...
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1465)
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1368)
at org.glassfish.weld.BeanDeploymentArchiveImpl.handleEntry(BeanDeploymentArchiveImpl.java:485)
at org.glassfish.weld.BeanDeploymentArchiveImpl.collectJarInfo(BeanDeploymentArchiveImpl.java:473)
at org.glassfish.weld.BeanDeploymentArchiveImpl.populate(BeanDeploymentArchiveImpl.java:420)
at org.glassfish.weld.BeanDeploymentArchiveImpl.<init>(BeanDeploymentArchiveImpl.java:148)
at org.glassfish.weld.BeanDeploymentArchiveImpl.populate(BeanDeploymentArchiveImpl.java:391)
at org.glassfish.weld.BeanDeploymentArchiveImpl.<init>(BeanDeploymentArchiveImpl.java:148)
at org.glassfish.weld.BeanDeploymentArchiveImpl.<init>(BeanDeploymentArchiveImpl.java:128)
at org.glassfish.weld.DeploymentImpl.<init>(DeploymentImpl.java:120)
at org.glassfish.weld.WeldDeployer.load(WeldDeployer.java:334)
at org.glassfish.weld.WeldDeployer.load(WeldDeployer.java:99)
at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:186)
at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:249)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:460)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:370)
...

(full exception and log of test run here: https://github.com/ringerc/scrapcode/blob/master/testcases/javaee/embeddedglassfish-jersey15-testcase/README )

If I delete beans.xml to disable CDI, the failure goes away. The stack trace passes through weld, providing further evidence that it's somewhere in CDI-land that things are breaking.

I suspected that the problem might be related to WADL generation, so I set com.sun.jersey.config.feature.DisableWADL to true in the jersey servlet init params. That had no effect.

Excluding all the dependencies of jersey-server, so only the jersey-server jar its self was present, still triggers the issue. It doesn't seem to be an issue with one of jersey-server's dependencies.

The ready-to-run testcase is here: https://github.com/ringerc/scrapcode/tree/master/testcases/javaee/embeddedglassfish-jersey15-testcase . Just:

just:

git clone git://github.com/ringerc/scrapcode.git
cd scrapcode/testcases/javaee/embeddedglassfish-jersey15-testcase
mvn clean install

I'm filing this here because Jersey 1.5 seems to be the immediate cause, but there's always a chance it's a GF 3.1 or Weld bug.