Github user chaithu14 commented on a diff in the pull request:
https://github.com/apache/apex-core/pull/359#discussion_r71739128
--- Diff:
engine/src/main/java/com/datatorrent/stram/plan/physical/PhysicalPlan.java ---
@@ -895,8 +895,10 @@ private void redoPartitions(PMapping currentMapping,
String note)
addedPartitions.add(newPartition);
} else {
// check whether mapping was changed
+ int currentPartitionsSize = mainPC.currentPartitions.size();
for (DefaultPartition<Operator> pi : mainPC.currentPartitions) {
- if (pi == newPartition && pi.isModified()) {
+ if (pi == newPartition && (pi.isModified() ||
--- End diff --
@vrozov The problem occurs when definPartitions() returns the list of
partitions (size > 1) which consists of current partition of size 1. Unifier
will come into the picture in newPartitions which is not be there in initial
launch. Here, port mapping of current partition which is in
mainPC.newPartitions has to be changed.
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