Hi, ive already experienced a similar problem before. Check if you're using
a collection iterator correctly or iterating the collection the right way.
This exception is thrown when a thread is iterating over a collection (using
an iterator) and other thread, or the same thread tries to modify the
collection. IE:
Iterator it = myList.getIterator();
while(it.hasNext()){
MyClass item = it.next();
myLis.remove(0); // the exception will be thrown here because youre
iterating the collection named "myList" with the iterator "it"
// and while doing that you modify the collection removing a item
directly ( not using the iterator as it should be).
}
Check if youre not doing this. Hope this helps.
Best regards.
On Wed, Aug 5, 2009 at 6:13 AM, Simon <[email protected]> wrote:
> Hello !!
>
> We are using Stripes for our web applications and we are really happy with
> it.
>
> However, today we got a strange exception :
>
> java.util.ConcurrentModificationException
> at
> java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> at java.util.AbstractList$Itr.next(AbstractList.java:343)
> at
> net.sourceforge.stripes.controller.BeforeAfterMethodInterceptor.intercept(BeforeAfterMethodInterceptor.java:101)
>
> at
> net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
>
> at
> net.sourceforge.stripes.controller.ExecutionContext.wrap(ExecutionContext.java:74)
>
> at
> net.sourceforge.stripes.controller.DispatcherHelper.doBindingAndValidation(DispatcherHelper.java:190)
>
> at
> net.sourceforge.stripes.controller.DispatcherServlet.doBindingAndValidation(DispatcherServlet.java:254)
>
> at
> net.sourceforge.stripes.controller.DispatcherServlet.service(DispatcherServlet.java:148)
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:92)
>
> ....
>
> at
> com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
>
> at
> com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:420)
> at com.caucho.server.port.TcpConnection.run(TcpConnection.java:514)
> at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520)
> at com.caucho.util.ThreadPool.run(ThreadPool.java:442)
> at java.lang.Thread.run(Thread.java:619)
>
> This is our actual configuration :
>
> stripes version : 1.5.1
> web container : Caucho Resin 3.0.24
> java version : 1.6.0_13
> OS : SunOS 5.10 sparc
>
>
> Any clue on this exception ? :)
>
>
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