HttpSessionStatus.isActive and HttpSession.isNew() throw WELD-000052 Cannot
return null from a non-dependent producer method
----------------------------------------------------------------------------------------------------------------------------
Key: SEAM-107
URL: https://issues.jboss.org/browse/SEAM-107
Project: Seam 3 Distribution
Issue Type: Bug
Environment: seam 3.1.0.Beta2
Reporter: Geoffrey De Smet
We have this code in guvnor:
{code}
@ApplicationScoped
public class Backchannel {
...
@Inject
private HttpSessionStatus sessionStatus;
...
public List<PushResponse> subscribe() {
if (sessionStatus.isActive()) {
...
}
}
...
{code}
Which is a direct copy of this documented code:
http://docs.jboss.org/seam/3/latest/reference/en-US/html_single/#injectablerefs.http_session_status
which throws this exception:
{code}
ERROR 06-10 14:38:59,303 (LoggingHelper.java:error:74) Service method 'public
abstract java.util.List
org.drools.guvnor.client.rpc.RepositoryService.subscribe()' threw an unexpected
exception: org.jboss.weld.exceptions.IllegalProductException: WELD-000052
Cannot return null from a non-dependent producer method: [method] @Produces
@Typed @RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()
org.jboss.weld.exceptions.IllegalProductException: WELD-000052 Cannot return
null from a non-dependent producer method: [method] @Produces @Typed
@RequestScoped protected
org.jboss.seam.servlet.http.ImplicitHttpServletObjectsProducer.getHttpServletRequest()
at
org.jboss.weld.bean.AbstractProducerBean.checkReturnValue(AbstractProducerBean.java:256)
at
org.jboss.weld.bean.AbstractProducerBean.create(AbstractProducerBean.java:362)
at org.jboss.weld.context.AbstractContext.get(AbstractContext.java:122)
at
org.jboss.weld.bean.proxy.ContextBeanInstance.getInstance(ContextBeanInstance.java:99)
at
org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:124)
at
org.jboss.weld.proxies.HttpServletRequest$-55412919$Proxy$_$$_WeldClientProxy.isRequestedSessionIdValid(HttpServletRequest$-55412919$Proxy$_$$_WeldClientProxy.java)
at
org.jboss.seam.servlet.http.HttpSessionStatus.isActive(HttpSessionStatus.java:41)
at
org.jboss.seam.servlet.http.HttpSessionStatus$Proxy$_$$_WeldClientProxy.isActive(HttpSessionStatus$Proxy$_$$_WeldClientProxy.java)
at org.drools.guvnor.server.Backchannel.subscribe(Backchannel.java:64)
at
org.drools.guvnor.server.Backchannel$Proxy$_$$_WeldClientProxy.subscribe(Backchannel$Proxy$_$$_WeldClientProxy.java)
at
org.drools.guvnor.server.ServiceImplementation.subscribe(ServiceImplementation.java:934)
at
org.drools.guvnor.server.RepositoryServiceServlet.subscribe(RepositoryServiceServlet.java:689)
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:597)
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at
org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
{code}
Note: there is no seam 3 servlet JIRA project, so I dropped it under Seam 3
distribution.
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