Or just use a Vector instead of an ArrayList, which is synchronized.
Regards,
Randy Burgess
Sr. Web Applications Developer
Nuvox Communications
> From: Eduardo Dela Rosa <[EMAIL PROTECTED]>
> Reply-To: Struts Users Mailing List <user@struts.apache.org>
> Date: Wed, 27 Feb 2008 09:59:25 +1100
> To: Struts Users Mailing List <user@struts.apache.org>
> Subject: Re: java.util.ConcurrentModificationException at IteratorComponent
>
> You are right there. And I guess the best way to rid this exception then is
> to have the code part in synchronized block, i.e., synchronizing on the list
> object itself + get the iterator + invoke either "add" or "remove" inside
> the block. This will hurt the performance a bit BUT will preserve the
> integrity of the content of the list.
>
> On Wed, Feb 27, 2008 at 9:50 AM, Dave Newton <[EMAIL PROTECTED]> wrote:
>
>> --- Eduardo Dela Rosa <[EMAIL PROTECTED]> wrote:
>>> Also, you must be removing or updating object directly inside your list
>>> object which is why you're getting this error. Try to get a reference to
>>> Iterator from your ArrayList object and invoke "remove" or "add" methods
>>> via the Iterator to get away from the ConcurrentModificationException.
>>
>> Strictly speaking I don't believe that's necessarily true; one can get a
>> ConcurrentModificationException depending on how a map object is accessed
>> in
>> the iterator.
>>
>> (Not totally relevant since we're talking about lists, but thought I'd
>> throw
>> that out there.)
>>
>> Dave
>>
>>
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>
>
> --
> Eduardo Dela Rosa
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