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patch documented here https://github.com/ether/etherpad-lite/issues/472 adds some stability but not a perfect solution

This commit is contained in:
John McLear 2013-02-27 16:17:50 +00:00
parent 716cac9c95
commit ebd8b85072
1 changed files with 8 additions and 1 deletions
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9
src/node/handler/PadMessageHandler.js
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@ -586,7 +586,14 @@ function handleUserChanges(client, message)
// client) are relative to revision r - 1. The follow function
// rebases "changeset" so that it is relative to revision r
// and can be applied after "c".
changeset = Changeset.follow(c, changeset, false, apool);
try
{
changeset = Changeset.follow(c, changeset, false, apool);
}catch(e){
console.warn("Can't apply USER_CHANGES "+changeset+", possibly because of mismatched follow error");
client.json.send({disconnect:"badChangeset"});
return;
}
if ((r - baseRev) % 200 == 0) { // don't let the stack get too deep
async.nextTick(callback);