private void sendFailIntermediateResultPartitionsRpcCall() {
final SimpleSlot slot = this.assignedResource;
if (slot != null) {
final Instance instance = slot.getInstance();
if (instance.isAlive()) {
final ActorGateway gateway = instance.getActorGateway();
// TODO For some tests this could be a problem when querying too early if all resources were
// released
gateway.tell(new FailIntermediateResultPartitions(attemptId));
}
}
}
/**
* Shuts down the checkpoint coordinator.
*
* <p>After this method has been called, the coordinator does not accept and further messages and
* cannot trigger any further checkpoints.
*/
public void shutdown() throws Exception {
synchronized (lock) {
try {
if (!shutdown) {
shutdown = true;
LOG.info("Stopping checkpoint coordinator for job " + job);
periodicScheduling = false;
triggerRequestQueued = false;
// shut down the thread that handles the timeouts and pending triggers
timer.cancel();
// make sure that the actor does not linger
if (jobStatusListener != null) {
jobStatusListener.tell(PoisonPill.getInstance());
jobStatusListener = null;
}
checkpointIdCounter.stop();
// clear and discard all pending checkpoints
for (PendingCheckpoint pending : pendingCheckpoints.values()) {
pending.discard(userClassLoader);
}
pendingCheckpoints.clear();
// clean and discard all successful checkpoints
completedCheckpointStore.discardAllCheckpoints();
onShutdown();
}
} finally {
// Remove shutdown hook to prevent resource leaks, unless this is invoked by the
// shutdown hook itself.
if (shutdownHook != null && shutdownHook != Thread.currentThread()) {
try {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
} catch (IllegalStateException ignored) {
// race, JVM is in shutdown already, we can safely ignore this
} catch (Throwable t) {
LOG.warn("Error unregistering checkpoint coordinator shutdown hook.", t);
}
}
}
}
}