Wow! That was a really fast reply! Thanks! Ok, that makes sense. I'll give that a try. Thanks for the insight.
Dave > -----Original Message----- > From: Viktor Szathmary [mailto:[EMAIL PROTECTED] > Sent: 4 April 2005 11:27 > To: Tapestry users; [EMAIL PROTECTED] > Subject: Re: java.util.ConcurrentModificationException > > > Hi, > > You have a Foreach that iterates thru your collection. The remove > listener is invoked inside the Foreach. You will want to change your > loop so it operates on a clone of the data, like so: > > <tr jwcid="@Foreach" > source="ognl:new ArrayList(terms)" > value="ognl:term" > element="tr"> > > viktor > > On Apr 3, 2005 10:23 PM, David Leangen <[EMAIL PROTECTED]> wrote: > > > > Hi, Kent, > > > > Thanks for the reply. (Comments below) > > > > > > I have a table in which I use a Foreach to add rows. > > > > > > > > When I click on one of the buttons in the table, I am getting a > > > > java.util.ConcurrentModificationException (full stack trace below). > > > > > > The collection is being modified while an iterator is iterating > > > on it. > > > > Yeah, I kinda figured that. Any ideas why this would be > happening, though? > > > > Essentially, this is the kind of listener I have: > > > > public void onRemoveTerm(IRequestCycle cycle) > > { > > final int buttonNum = getSelectedButton().intValue(); > > removeTerm(buttonNum); > > } > > > > This is the template: > > > > <tr jwcid="@Foreach" > > source="ognl:terms" > > value="ognl:term" > > element="tr"> > > <td>Term:</td> > > <td><span jwcid="@Insert" value="ognl:term"/></td> > > <td><input jwcid="removeTermButton" type="submit" > value="Remove"/></td> > > </tr> > > > > And this is the component definition: > > > > <component id="removeTermButton" type="Submit"> > > <binding name="listener" expression="listeners.onRemoveTerm"/> > > <binding name="tag" expression="removeButtonTag"/> > > <binding name="selected" expression="selectedButton"/> > > </component> > > > > I hope that gives you enough information to get the idea. > > > > I'm not quite understanding why concurrent access is happening > here, which > > means I'm not able to understand how to solve the problem. > > > > Any insights would be greatly appreciated!!! > > > > Dave > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
