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


Attachment: frontApplication.composite
Description: frontApplication.composite

Attachment: middleoffice.composite
Description: middleoffice.composite

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