[NO ISSUE][OTR] Logging Cleanup

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- No pretty printing for replica status.
- Log ignored exception in debug level.

Change-Id: I7e4a37e9621ef5bdb27105b17e883800212e594b
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2276
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@apache.org>
diff --git a/asterixdb/asterix-replication/src/main/java/org/apache/asterix/replication/api/PartitionReplica.java b/asterixdb/asterix-replication/src/main/java/org/apache/asterix/replication/api/PartitionReplica.java
index f752745..d3ddc43 100644
--- a/asterixdb/asterix-replication/src/main/java/org/apache/asterix/replication/api/PartitionReplica.java
+++ b/asterixdb/asterix-replication/src/main/java/org/apache/asterix/replication/api/PartitionReplica.java
@@ -128,7 +128,7 @@
     private JsonNode asJson() {
         ObjectNode json = OBJECT_MAPPER.createObjectNode();
         json.put("id", id.toString());
-        json.put("state", status.name());
+        json.put("status", status.name());
         return json;
     }
 
@@ -152,7 +152,7 @@
     @Override
     public String toString() {
         try {
-            return JSONUtil.convertNode(asJson());
+            return OBJECT_MAPPER.writeValueAsString(asJson());
         } catch (JsonProcessingException e) {
             throw new ReplicationException(e);
         }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
index c59c1a8..f75144a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexDropOperatorNodePushable.java
@@ -83,7 +83,7 @@
                 return;
             } catch (HyracksDataException e) {
                 if (isIgnorable(e)) {
-                    LOGGER.info("Ignoring exception on drop", e);
+                    LOGGER.debug("Ignoring exception on drop", e);
                     return;
                 }
                 if (canRetry(e)) {