Isn't this just a bug? This used to work, why would we not want to support it now?
...ant On Thu, Aug 28, 2008 at 7:01 PM, Raymond Feng <[EMAIL PROTECTED]> wrote: > Hi, > > AFAIK, we don't support sharing (same classloader) tuscany jars across > multiple web applications. As you have found out, packaging tuscany jars in > the webapp works. There is another scheme we can support with the SCANode > APIs: we can share the physical tuscany jars across multiple web > applications, but these jars are still loaded by different classloaders from > the webapp. If you are interested in this scheme, take a look at: > https://svn.apache.org/repos/asf/tuscany/java/sca/modules/node-launcher-webapp > . > > Thanks, > Raymond > > From: Jérôme Besnainou > Sent: Thursday, August 28, 2008 10:08 AM > To: [email protected] > Subject: Issue at tomcat stop time when I shared Tuscany lib between > several webApplication > > > > Hello, > > I'm using tuscany 1.3 inside tomcat 6.0.16 with jdk 1.6.06. > I have 2 webApplications. These 2 webApplications are using sca composites > (one composite on each webApplication). > The tuscany lib are shared between these two webApplications on the tomcat > « shared.loader ». > Everything work well but I got this error when I stop tomcat and my second > webApplication is undeployed : > org.apache.catalina.startup.HostConfig undeployApps > ATTENTION: Error while removing context [/datalayerApplicationTest] > java.lang.NullPointerException > at > org.apache.tuscany.sca.host.embedded.impl.DefaultSCADomain.close(DefaultSCADomain.java:365) > at > org.apache.tuscany.sca.host.webapp.WebSCADomain.destroy(WebSCADomain.java:50) > at > org.apache.tuscany.sca.host.webapp.WebAppServletHost.destroy(WebAppServletHost.java:302) > at > org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.destroy(TuscanyServletFilter.java:72) > at > org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:332) > at > org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:3744) > at > org.apache.catalina.core.StandardContext.stop(StandardContext.java:4506) > at > org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:924) > at > org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1189) > at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1160) > at > org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313) > at > org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) > at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1086) > at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098) > at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448) > at org.apache.catalina.core.StandardService.stop(StandardService.java:584) > at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744) > at org.apache.catalina.startup.Catalina.stop(Catalina.java:628) > at org.apache.catalina.startup.Catalina.start(Catalina.java:603) > 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 org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) > > Note: > - If I have n webApplications the n-1 last webApplications raised > this error at undeploy time. > - If tuscany lib are put in each webApplication WEB-INF/lib there > is no issue > > I seems that when tomcat undeploy the first webApplication the « > DefaultSCADomain » is closed for all composites. > > I put in attachement frontApplication.composite (composite used on the > first webApplication) and middleoffice.composite (composite used on the > second webApplication). > > Let me know your opinion about this issue. > > Is it a best practice to shared tuscany lib or do you think it is better to > put a tuscany in each webApplication ? > > Best Regards, > > Jérôme > > > >
