strange, you seem to have a pretty old copy
here what the latest looks like [1], notice line 1066 doesnt match what you
have
also have a look at how the messages are cleared [2] ... iterator is not
used in clearRendered() which is what session.cleanupMessages() calls
[1]
http://svn.apache.org/viewvc/incubator/wicket/trunk/wicket/src/main/java/wicket/Session.java?view=annotate
[2]
http://svn.apache.org/viewvc/incubator/wicket/trunk/wicket/src/main/java/wicket/feedback/FeedbackMessages.java?view=annotate
-igor
On 1/22/07, TimOBrien <[EMAIL PROTECTED]> wrote:
No doubt, I don't have the stack trace at hand, but I can point you to
line
1066 in cleanupFeedbackMessages() in Session. The issue here is that the
Iterator returned from the a CopyOnWriteArrayList throws this exception
from
a call to remove, set, or add. Here's the quote from
CopyOnWriteArrayList:
"Element-changing
* operations on iterators themselves (remove, set, and add) are not
* supported. These methods throw
* <tt>UnsupportedOperationException</tt>"
Problem was manifesting itself the first time a message was added to
feedbackMessage
igor.vaynberg wrote:
>
> your fix wont do, the list needs to be threadsafe
>
> can you please paste the stacktrace so we can see where the remove() is
> being called from?
>
> -igor
>
>
> On 1/22/07, TimOBrien <[EMAIL PROTECTED]> wrote:
>>
>>
>> I updated my copy of trunk, and I kept on getting this message:
>>
>> java.lang.UnsupportedOperationException
>>
>> java.util.concurrent.CopyOnWriteArrayList$COWIterator.remove(
>> CopyOnWriteArrayList.java:937)
>> wicket.Session.cleanupFeedbackMessages(Session.java:1067)
>>
>> Tracked it down to CopyOnWriteArrayList in Session for
feedbackMessages.
>> Changing the type of feedbackMessage to ArrayList, and rebuilding
seemed
>> to
>> fix the issue. Any other users having a similar issue?
>> --
>> View this message in context:
>>
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>>
>>
>>
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