PortletContextManager.remove(InternalPortletContext) fails
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Key: PLUTO-332
URL: https://issues.apache.org/jira/browse/PLUTO-332
Project: Pluto
Issue Type: Bug
Components: portlet container
Affects Versions: 1.1.1
Reporter: Eric Dalquist
The destroy() method of the PortletServlet throws an exception when shutting
down the container:
ERROR [ContainerBackgroundProcessor[StandardEngine[Catalina]]]
[localhost].[/uP3] Mar/05 14:44:41.832 - Servlet GenericXsltPortlet threw
unload() exception
javax.servlet.ServletException: Servlet.destroy() for servlet
GenericXsltPortlet threw exception
at
org.apache.catalina.core.StandardWrapper.unload(StandardWrapper.java:1339)
at
org.apache.catalina.core.StandardWrapper.stop(StandardWrapper.java:1654)
at
org.apache.catalina.core.StandardContext.stop(StandardContext.java:4345)
at
org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1081)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1187)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:292)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1305)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
at java.lang.Thread.run(Thread.java:595)
Tracing the code execution this is tracked to the
PortletContextManager.remove(InternalPortletContext) call in which a Map keySet
Iterator is used but remove() is called on the Map. Instead of calling remove()
on the Map it should be called on the Iterator in use to prevent the
ConcurrentModificationException.
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