Cannot stop/start a Tuscany app deployed as a web app
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Key: TUSCANY-367
URL: http://issues.apache.org/jira/browse/TUSCANY-367
Project: Tuscany
Type: Bug
Components: Java SCA Core, Java SCA Tomcat Integration
Versions: Java-M1
Reporter: Jean-Sebastien Delfino
Priority: Blocker
Fix For: Java-M1
This is a significant issue, pretty much blocking any basic use of Tuscany in a
Tomcat environment (you will run into this as soon as you start to develop and
test a Tuscany application in a Tomcat environment, as most application updates
in this environment require or trigger an application restart).
The scenario is very simple, the problem can be reproduced as folllows:
- Deploy the sample-helloworldweb-SNAPSHOT.war module to Tomcat (copy it to the
Tomcat webapps)
- Start Tomcat
- Stop the Web app
You can use the Tomcat manager at http://localhost:8080/manager/html to do that
By default the Tomcat manager is not enabled, to enable it you need to add the
following to your Tomcat conf/tomcat-users.xml
<user username="admin" password="tomcat" roles="tomcat,manager"/>
- Try to start the Web app again
The app cannot be started anymore. The Tomcat manager will show the following:
FAIL - Application at context path /sample-helloworldweb-SNAPSHOT could not be
started
FAIL - Encountered exception
org.apache.tuscany.core.context.DuplicateNameException:
/sample-helloworldweb-SNAPSHOT
The Tomcat logs will contain the following exception:
SEVERE: FAIL - Application at context path /sample-helloworldweb-SNAPSHOT could
not be started
org.apache.tuscany.core.context.DuplicateNameException:
/sample-helloworldweb-SNAPSHOT
at
org.apache.tuscany.core.context.impl.AbstractCompositeContext.registerConfiguration(AbstractCompositeContext.java:489)
at
org.apache.tuscany.core.context.impl.AbstractCompositeContext.registerModelObject(AbstractCompositeContext.java:446)
at
org.apache.tuscany.tomcat.TuscanyContextListener.loadContext(TuscanyContextListener.java:125)
at
org.apache.tuscany.tomcat.TuscanyContextListener.startContext(TuscanyContextListener.java:81)
at
org.apache.tuscany.tomcat.TuscanyContextListener.lifecycleEvent(TuscanyContextListener.java:67)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4182)
at
org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1175)
at
org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:527)
at
org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:104)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
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