Seam Servlet broken in multi-war ear deployment
-----------------------------------------------
Key: SEAMSERVLET-42
URL: https://issues.jboss.org/browse/SEAMSERVLET-42
Project: Seam Servlet
Issue Type: Bug
Affects Versions: 3.0.0.Final
Reporter: Jozef Hartinger
Fix For: 3.0.1.Beta1
The Servlet specification requires a java library to be bundled within the
WEB-INF/lib folder for its web-fragment.xml to be read. Therefore, if multiple
web applications using Seam Servlet are bundled within an EAR, they all have to
package Seam Servlet within their WEB-INF/lib folders.
The CDI specification is not clear in defining the application scope in an EAR
(See https://issues.jboss.org/browse/CDI-129 for details.)
JBoss AS 7 implements the application scope as per-ear.
This results in conflicts between multiple instances of Seam Servlet.
Therefore, when the ear is deployed, the deployment fails with
AmbiguousResolutionException like the following one:
15:14:42,467 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7)
MSC00001: Failed to start service jboss.deployment.unit."test.ear".WeldService:
org.jboss.msc.service.StartException in service
jboss.deployment.unit."test.ear".WeldService:
org.jboss.weld.exceptions.DeploymentException: WELD-001409 Ambiguous
dependencies for type [HttpServletRequest] with qualifiers [@Default] at
injection point [[field] @Inject private
org.jboss.seam.servlet.http.CookieParamProducer.request]. Possible dependencies
[[Producer Method [HttpServletRequest] with qualifiers [@Any @Default] declared
as [[method] @Produces @Typed @RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()],
Producer Method [HttpServletRequest] with qualifiers [@Any @Default] declared
as [[method] @Produces @Typed @RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()]]]
at org.jboss.as.weld.services.WeldService.start(WeldService.java:96)
at
org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)
at
org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[:1.6.0_24]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[:1.6.0_24]
at java.lang.Thread.run(Thread.java:662) [:1.6.0_24]
Caused by: org.jboss.weld.exceptions.DeploymentException: WELD-001409 Ambiguous
dependencies for type [HttpServletRequest] with qualifiers [@Default] at
injection point [[field] @Inject private
org.jboss.seam.servlet.http.CookieParamProducer.request]. Possible dependencies
[[Producer Method [HttpServletRequest] with qualifiers [@Any @Default] declared
as [[method] @Produces @Typed @RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()],
Producer Method [HttpServletRequest] with qualifiers [@Any @Default] declared
as [[method] @Produces @Typed @RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()]]]
at
org.jboss.weld.bootstrap.Validator.validateInjectionPoint(Validator.java:274)
at org.jboss.weld.bootstrap.Validator.validateBean(Validator.java:106)
at org.jboss.weld.bootstrap.Validator.validateRIBean(Validator.java:129)
at org.jboss.weld.bootstrap.Validator.validateBeans(Validator.java:351)
at
org.jboss.weld.bootstrap.Validator.validateDeployment(Validator.java:336)
at
org.jboss.weld.bootstrap.WeldBootstrap.validateBeans(WeldBootstrap.java:404)
at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:82)
at org.jboss.as.weld.services.WeldService.start(WeldService.java:89)
... 5 more
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