Github user gyfora commented on a diff in the pull request:
https://github.com/apache/flink/pull/534#discussion_r27115257
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/main/java/org/apache/flink/streaming/api/streamvertex/StreamVertex.java
---
@@ -283,16 +288,18 @@ public StreamConfig getConfig() {
*
* @param id
*/
- private void actOnBarrier(long id) {
- try {
- outputHandler.broadcastBarrier(id);
- // TODO checkpoint state here
- confirmBarrier(id);
- if (LOG.isDebugEnabled()) {
- LOG.debug("Superstep " + id + " processed: " +
StreamVertex.this);
+ private synchronized void actOnBarrier(long id) {
+ if (this.isRunning) {
+ try {
+ outputHandler.broadcastBarrier(id);
+ // TODO checkpoint state here
+ confirmBarrier(id);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Superstep " + id + "
processed: " + StreamVertex.this);
+ }
+ } catch (Exception e) {
+ // TODO:Figure this out properly
--- End diff --
I had some weird exceptions after the streams finished, and in any case
this shouldnt affect the recovery logic
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