Log failures in state machine processing

Change-Id: Ib92768cf4cf5cce5e2642265d1c1aa3e2f13b246

@@ -259,6 +259,7 @@ public class AtomixConsistentMapState extends ResourceStateMachine implements Se
      * @return update result
      */
     protected MapEntryUpdateResult<String, byte[]> updateAndGet(Commit<? extends UpdateAndGet> commit) {
+        try {
             MapEntryUpdateResult.Status updateStatus = validate(commit.operation());
             String key = commit.operation().key();
             MapEntryValue oldCommitValue = mapEntries.get(commit.operation().key());
@@ -289,6 +290,10 @@ public class AtomixConsistentMapState extends ResourceStateMachine implements Se
             publish(Lists.newArrayList(new MapEvent<>("", key, newMapValue, oldMapValue)));
             return new MapEntryUpdateResult<>(updateStatus, "", key, oldMapValue,
                     newMapValue);
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
+        }
     }
 
     /**

@@ -58,6 +58,7 @@ import org.slf4j.Logger;
 
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
+import com.google.common.base.Throwables;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 
@@ -170,6 +171,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
                 notifyLeadershipChange(oldLeadership, newLeadership);
             }
             return newLeadership;
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -189,6 +193,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
             if (!Objects.equal(oldLeadership, newLeadership)) {
                 notifyLeadershipChange(oldLeadership, newLeadership);
             }
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -213,6 +220,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
             return (electionState != null &&
                     electionState.leader() != null &&
                     commit.operation().nodeId().equals(electionState.leader().nodeId()));
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -237,6 +247,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
                 notifyLeadershipChange(oldLeadership, newLeadership);
             }
             return true;
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -260,6 +273,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
                 }
             });
             notifyLeadershipChanges(changes);
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -274,6 +290,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
         String topic = commit.operation().topic();
         try {
             return leadership(topic);
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -291,6 +310,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
                 Leader leader = leadership(e.getKey()).leader();
                 return leader != null && leader.nodeId().equals(nodeId);
             }).keySet();
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }
@@ -306,6 +328,9 @@ public class AtomixLeaderElectorState extends ResourceStateMachine
         try {
             result.putAll(Maps.transformEntries(elections, (k, v) -> leadership(k)));
             return result;
+        } catch (Exception e) {
+            log.error("State machine operation failed", e);
+            throw Throwables.propagate(e);
         } finally {
             commit.close();
         }