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8287318: ConcurrentModificationException in sun.net.httpserver.ServerImpl$Dispatcher

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Reviewed-by: dfuchs
This commit is contained in:
Jaikiran Pai 2022-06-01 03:55:55 +00:00
parent 8fc201e5bb
commit 3deb58a89a
1 changed files with 8 additions and 4 deletions

12
src/jdk.httpserver/share/classes/sun/net/httpserver/ServerImpl.java

@ -374,10 +374,14 @@ class ServerImpl implements TimeSource {
/* process the selected list now */
Set<SelectionKey> selected = selector.selectedKeys();
Iterator<SelectionKey> iter = selected.iterator();
while (iter.hasNext()) {
SelectionKey key = iter.next();
iter.remove ();
// create a copy of the selected keys so that we can iterate over it
// and at the same time not worry about the underlying Set being
// modified (leading to ConcurrentModificationException) due to
// any subsequent select operations that we invoke on the
// selector (in this same thread).
for (final SelectionKey key : selected.toArray(SelectionKey[]::new)) {
// remove the key from the original selected keys (live) Set
selected.remove(key);
if (key.equals (listenerKey)) {
if (terminating) {
continue;