Hello
In my application, I have a button. When I click on this button, it will be
log off. However, there is a ConcurrentModificationException:
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java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:448)
at java.util.AbstractList$Itr.next(AbstractList.java:419)
at
com.crseducation.kokiridatabase.hauoraclient.currentuser.CurrentUser._$9098(
CurrentUser.java:308)
at
com.crseducation.kokiridatabase.hauoraclient.currentuser.CurrentUser.logoff(
CurrentUser.java:242)
at
com.crseducation.kokiridatabase.hauoraclient.guiapplication.MainWindow.login
(MainWindow.java:265)
at
com.crseducation.kokiridatabase.hauoraclient.guiapplication.MainWindow.login
_actionPerformed(MainWindow.java:257)
at
com.crseducation.kokiridatabase.hauoraclient.guiapplication.MainWindow_tbBut
tonLogin_actionAdapter.actionPerformed(MainWindow.java:355)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
This was happend in this code
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private void signalLogoff(){
Iterator iterator = myListeners.iterator();
while(iterator.hasNext()){
CurrentUserListener listener = (CurrentUserListener) iterator.next();
//The error here
listener.userLoggedOff();
}
}
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I know this is hard question. However, if you have any clue for this error,
please help
Many thanks
S.Hoa