Repository: asterixdb
Updated Branches:
  refs/heads/master 3f66d0916 -> 07075667c


http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-api/src/test/java/org/apache/hyracks/api/test/FrameWriterTestUtils.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-api/src/test/java/org/apache/hyracks/api/test/FrameWriterTestUtils.java
 
b/hyracks-fullstack/hyracks/hyracks-api/src/test/java/org/apache/hyracks/api/test/FrameWriterTestUtils.java
index c9cc71e..2c1ce37 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-api/src/test/java/org/apache/hyracks/api/test/FrameWriterTestUtils.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-api/src/test/java/org/apache/hyracks/api/test/FrameWriterTestUtils.java
@@ -19,6 +19,7 @@
 package org.apache.hyracks.api.test;
 
 import java.util.Collection;
+import java.util.Collections;
 
 public class FrameWriterTestUtils {
     public static final String EXCEPTION_MESSAGE = "IFrameWriter Exception in 
the call to the method ";
@@ -32,6 +33,10 @@ public class FrameWriterTestUtils {
         Close
     }
 
+    public static TestFrameWriter create() {
+        return create(Collections.emptyList(), Collections.emptyList(), false);
+    }
+
     public static TestFrameWriter create(Collection<FrameWriterOperation> 
exceptionThrowingOperations,
             Collection<FrameWriterOperation> errorThrowingOperations, boolean 
deepCopyInputFrames) {
         CountAnswer openAnswer =

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
index 2685f60..7a9306c 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/dataset/DatasetDirectoryService.java
@@ -151,12 +151,18 @@ public class DatasetDirectoryService implements 
IDatasetDirectoryService {
 
     @Override
     public synchronized void reportJobFailure(JobId jobId, List<Exception> 
exceptions) {
+        LOGGER.log(Level.INFO, "job " + jobId + " failed and is being reported 
to " + getClass().getSimpleName(),
+                exceptions.get(0));
         DatasetJobRecord djr = getDatasetJobRecord(jobId);
+        LOGGER.log(Level.INFO, "Dataset job record is " + djr);
         if (djr != null) {
+            LOGGER.log(Level.INFO, "Setting exceptions in Dataset job record");
             djr.fail(exceptions);
         }
         final JobResultInfo jobResultInfo = jobResultLocations.get(jobId);
+        LOGGER.log(Level.INFO, "Job result info is " + jobResultInfo);
         if (jobResultInfo != null) {
+            LOGGER.log(Level.INFO, "Setting exceptions in Job result info");
             jobResultInfo.setException(exceptions.isEmpty() ? null : 
exceptions.get(0));
         }
         notifyAll();

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/executor/JobExecutor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/executor/JobExecutor.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/executor/JobExecutor.java
index f18a917..dbbaf9f 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/executor/JobExecutor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/executor/JobExecutor.java
@@ -66,7 +66,6 @@ import org.apache.hyracks.control.cc.work.JobCleanupWork;
 import org.apache.hyracks.control.common.job.PartitionState;
 import org.apache.hyracks.control.common.job.TaskAttemptDescriptor;
 
-
 public class JobExecutor {
     private static final Logger LOGGER = 
Logger.getLogger(JobExecutor.class.getName());
 
@@ -190,11 +189,11 @@ public class JobExecutor {
 
     private void startRunnableActivityClusters() throws HyracksException {
         Set<TaskCluster> taskClusterRoots = new HashSet<>();
-        findRunnableTaskClusterRoots(taskClusterRoots, 
jobRun.getActivityClusterGraph().getActivityClusterMap()
-                .values());
-        if (LOGGER.isLoggable(Level.FINE)) {
-            LOGGER.fine("Runnable TC roots: " + taskClusterRoots + ", 
inProgressTaskClusters: "
-                    + inProgressTaskClusters);
+        findRunnableTaskClusterRoots(taskClusterRoots,
+                
jobRun.getActivityClusterGraph().getActivityClusterMap().values());
+        if (LOGGER.isLoggable(Level.INFO)) {
+            LOGGER.log(Level.INFO,
+                    "Runnable TC roots: " + taskClusterRoots + ", 
inProgressTaskClusters: " + inProgressTaskClusters);
         }
         if (taskClusterRoots.isEmpty() && inProgressTaskClusters.isEmpty()) {
             ccs.getWorkQueue()
@@ -344,8 +343,8 @@ public class JobExecutor {
         for (int i = 0; i < tasks.length; ++i) {
             Task ts = tasks[i];
             TaskId tid = ts.getTaskId();
-            TaskAttempt taskAttempt = new TaskAttempt(tcAttempt, new 
TaskAttemptId(new TaskId(tid.getActivityId(),
-                    tid.getPartition()), attempts), ts);
+            TaskAttempt taskAttempt = new TaskAttempt(tcAttempt,
+                    new TaskAttemptId(new TaskId(tid.getActivityId(), 
tid.getPartition()), attempts), ts);
             taskAttempt.setStatus(TaskAttempt.TaskStatus.INITIALIZED, null);
             locationMap.put(tid,
                     new 
PartitionLocationExpression(tid.getActivityId().getOperatorDescriptorId(), 
tid.getPartition()));
@@ -496,8 +495,8 @@ public class JobExecutor {
         final DeploymentId deploymentId = jobRun.getDeploymentId();
         final JobId jobId = jobRun.getJobId();
         final ActivityClusterGraph acg = jobRun.getActivityClusterGraph();
-        final Map<ConnectorDescriptorId, IConnectorPolicy> connectorPolicies = 
new HashMap<>(
-                jobRun.getConnectorPolicyMap());
+        final Map<ConnectorDescriptorId, IConnectorPolicy> connectorPolicies =
+                new HashMap<>(jobRun.getConnectorPolicyMap());
         INodeManager nodeManager = ccs.getNodeManager();
         try {
             byte[] acgBytes = predistributed ? null : 
JavaSerializationUtils.serialize(acg);
@@ -555,14 +554,14 @@ public class JobExecutor {
             }
         }
         final JobId jobId = jobRun.getJobId();
-        LOGGER.fine("Abort map for job: " + jobId + ": " + 
abortTaskAttemptMap);
+        LOGGER.info("Abort map for job: " + jobId + ": " + 
abortTaskAttemptMap);
         INodeManager nodeManager = ccs.getNodeManager();
         for (Map.Entry<String, List<TaskAttemptId>> entry : 
abortTaskAttemptMap.entrySet()) {
             final NodeControllerState node = 
nodeManager.getNodeControllerState(entry.getKey());
             final List<TaskAttemptId> abortTaskAttempts = entry.getValue();
             if (node != null) {
-                if (LOGGER.isLoggable(Level.FINE)) {
-                    LOGGER.fine("Aborting: " + abortTaskAttempts + " at " + 
entry.getKey());
+                if (LOGGER.isLoggable(Level.INFO)) {
+                    LOGGER.info("Aborting: " + abortTaskAttempts + " at " + 
entry.getKey());
                 }
                 try {
                     node.getNodeController().abortTasks(jobId, 
abortTaskAttempts);
@@ -582,6 +581,7 @@ public class JobExecutor {
     }
 
     private void abortDoomedTaskClusters() throws HyracksException {
+        LOGGER.log(Level.INFO, "aborting doomed task clusters");
         Set<TaskCluster> doomedTaskClusters = new HashSet<>();
         for (TaskCluster tc : inProgressTaskClusters) {
             // Start search at TCs that produce no outputs (sinks)
@@ -590,6 +590,7 @@ public class JobExecutor {
             }
         }
 
+        LOGGER.log(Level.INFO, "number of doomed task clusters found = " + 
doomedTaskClusters.size());
         for (TaskCluster tc : doomedTaskClusters) {
             TaskClusterAttempt tca = findLastTaskClusterAttempt(tc);
             if (tca != null) {
@@ -628,7 +629,7 @@ public class JobExecutor {
             if ((maxState == null
                     || (cPolicy.consumerWaitsForProducerToFinish() && maxState 
!= PartitionState.COMMITTED))
                     && 
findDoomedTaskClusters(partitionProducingTaskClusterMap.get(pid), 
doomedTaskClusters)) {
-                    doomed = true;
+                doomed = true;
             }
         }
         if (doomed) {
@@ -663,28 +664,36 @@ public class JobExecutor {
 
     /**
      * Indicates that a single task attempt has encountered a failure.
-     * @param ta Failed Task Attempt
-     * @param exceptions exeptions thrown during the failure
+     *
+     * @param ta
+     *            Failed Task Attempt
+     * @param exceptions
+     *            exeptions thrown during the failure
      */
     public void notifyTaskFailure(TaskAttempt ta, List<Exception> exceptions) {
         try {
-            LOGGER.fine("Received failure notification for TaskAttempt " + 
ta.getTaskAttemptId());
+            LOGGER.log(Level.INFO, "Received failure notification for 
TaskAttempt " + ta.getTaskAttemptId());
             TaskAttemptId taId = ta.getTaskAttemptId();
             TaskCluster tc = ta.getTask().getTaskCluster();
             TaskClusterAttempt lastAttempt = findLastTaskClusterAttempt(tc);
             if (lastAttempt != null && taId.getAttempt() == 
lastAttempt.getAttempt()) {
-                LOGGER.fine("Marking TaskAttempt " + ta.getTaskAttemptId() + " 
as failed");
+                LOGGER.log(Level.INFO, "Marking TaskAttempt " + 
ta.getTaskAttemptId() + " as failed");
                 ta.setStatus(TaskAttempt.TaskStatus.FAILED, exceptions);
                 abortTaskCluster(lastAttempt, 
TaskClusterAttempt.TaskClusterStatus.FAILED);
                 abortDoomedTaskClusters();
-                if (lastAttempt.getAttempt() >= 
jobRun.getActivityClusterGraph().getMaxReattempts() || isCancelled()) {
+                int maxReattempts = 
jobRun.getActivityClusterGraph().getMaxReattempts();
+                LOGGER.log(Level.INFO, "Marking TaskAttempt " + 
ta.getTaskAttemptId()
+                        + " as failed and the number of max re-attempts = " + 
maxReattempts);
+                if (lastAttempt.getAttempt() >= maxReattempts || 
isCancelled()) {
+                    LOGGER.log(Level.INFO, "Aborting the job of " + 
ta.getTaskAttemptId());
                     abortJob(exceptions);
                     return;
                 }
+                LOGGER.log(Level.INFO, "We will try to start runnable activity 
clusters of " + ta.getTaskAttemptId());
                 startRunnableActivityClusters();
             } else {
-                LOGGER.warning("Ignoring task failure notification: " + taId + 
" -- Current last attempt = "
-                        + lastAttempt);
+                LOGGER.warning(
+                        "Ignoring task failure notification: " + taId + " -- 
Current last attempt = " + lastAttempt);
             }
         } catch (Exception e) {
             abortJob(Collections.singletonList(e));

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
index 486e9c6..8f50087 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/src/main/java/org/apache/hyracks/control/cc/work/TaskFailureWork.java
@@ -19,6 +19,8 @@
 package org.apache.hyracks.control.cc.work;
 
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import org.apache.hyracks.api.dataflow.TaskAttemptId;
 import org.apache.hyracks.api.job.JobId;
@@ -28,6 +30,7 @@ import org.apache.hyracks.control.cc.job.JobRun;
 import org.apache.hyracks.control.cc.job.TaskAttempt;
 
 public class TaskFailureWork extends AbstractTaskLifecycleWork {
+    private static final Logger LOGGER = 
Logger.getLogger(TaskFailureWork.class.getName());
     private final List<Exception> exceptions;
 
     public TaskFailureWork(ClusterControllerService ccs, JobId jobId, 
TaskAttemptId taId, String nodeId,
@@ -38,6 +41,7 @@ public class TaskFailureWork extends 
AbstractTaskLifecycleWork {
 
     @Override
     protected void performEvent(TaskAttempt ta) {
+        LOGGER.log(Level.WARNING, "Executing task failure work for " + this, 
exceptions.get(0));
         IJobManager jobManager = ccs.getJobManager();
         JobRun run = jobManager.get(jobId);
         ccs.getDatasetDirectoryService().reportJobFailure(jobId, exceptions);

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
index 0189735..b654d44 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/dataset/DatasetPartitionWriter.java
@@ -120,7 +120,7 @@ public class DatasetPartitionWriter implements IFrameWriter 
{
                 manager.reportPartitionWriteCompletion(jobId, resultSetId, 
partition);
             }
         } catch (HyracksException e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
index 92831f4..10c7415 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/io/IOManager.java
@@ -229,7 +229,7 @@ public class IOManager implements IIOManager {
         try {
             ((FileHandle) fHandle).close();
         } catch (IOException e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 
@@ -242,7 +242,7 @@ public class IOManager implements IIOManager {
         try {
             waf = File.createTempFile(prefix, WORKSPACE_FILE_SUFFIX, new 
File(dev.getMount(), waPath));
         } catch (IOException e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
         return dev.createFileRef(waPath + File.separator + waf.getName());
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
index 7f5302a..4f5b556 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/ApplicationMessageWork.java
@@ -28,9 +28,6 @@ import org.apache.hyracks.control.common.work.AbstractWork;
 import org.apache.hyracks.control.nc.NodeControllerService;
 import org.apache.hyracks.control.nc.application.NCServiceContext;
 
-/**
- * @author rico
- */
 public class ApplicationMessageWork extends AbstractWork {
     private static final Logger LOGGER = 
Logger.getLogger(ApplicationMessageWork.class.getName());
     private byte[] message;
@@ -63,6 +60,6 @@ public class ApplicationMessageWork extends AbstractWork {
 
     @Override
     public String toString() {
-        return getName() + ": nodeID: " + nodeId;
+        return getName() + ": nodeId: " + nodeId;
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
index f4ee6b0..7728d16 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskCompleteWork.java
@@ -18,12 +18,16 @@
  */
 package org.apache.hyracks.control.nc.work;
 
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
 import org.apache.hyracks.control.common.job.profiling.om.TaskProfile;
 import org.apache.hyracks.control.common.work.AbstractWork;
 import org.apache.hyracks.control.nc.NodeControllerService;
 import org.apache.hyracks.control.nc.Task;
 
 public class NotifyTaskCompleteWork extends AbstractWork {
+    private static final Logger LOGGER = 
Logger.getLogger(NotifyTaskCompleteWork.class.getName());
     private final NodeControllerService ncs;
     private final Task task;
 
@@ -40,8 +44,13 @@ public class NotifyTaskCompleteWork extends AbstractWork {
             
ncs.getClusterController().notifyTaskComplete(task.getJobletContext().getJobId(),
 task.getTaskAttemptId(),
                     ncs.getId(), taskProfile);
         } catch (Exception e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, "Failed notifying task complete for " + 
task.getTaskAttemptId(), e);
         }
         task.getJoblet().removeTask(task);
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + task.getTaskAttemptId();
+    }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
index fa8ba28..7ed2c09 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/src/main/java/org/apache/hyracks/control/nc/work/NotifyTaskFailureWork.java
@@ -35,7 +35,6 @@ public class NotifyTaskFailureWork extends AbstractWork {
     private final Task task;
     private final JobId jobId;
     private final TaskAttemptId taskId;
-
     private final List<Exception> exceptions;
 
     public NotifyTaskFailureWork(NodeControllerService ncs, Task task, 
List<Exception> exceptions, JobId jobId,
@@ -49,6 +48,8 @@ public class NotifyTaskFailureWork extends AbstractWork {
 
     @Override
     public void run() {
+        LOGGER.log(Level.WARNING, ncs.getId() + " is sending a notification to 
cc that task " + taskId + " has failed",
+                exceptions.get(0));
         try {
             IDatasetPartitionManager dpm = ncs.getDatasetPartitionManager();
             if (dpm != null) {

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
index e5f7d09..0c639db 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-common/src/main/java/org/apache/hyracks/dataflow/common/comm/io/ArrayTupleBuilder.java
@@ -104,7 +104,7 @@ public class ArrayTupleBuilder implements 
IDataOutputProvider {
                 
fieldData.getDataOutput().writeInt(FrameConstants.FRAME_FIELD_MAGIC);
             }
         } catch (IOException e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
         fEndOffsets[nextField++] = fieldData.getLength();
     }
@@ -139,7 +139,7 @@ public class ArrayTupleBuilder implements 
IDataOutputProvider {
         try {
             fieldData.getDataOutput().write(bytes, start, length);
         } catch (IOException e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
         fEndOffsets[nextField++] = fieldData.getLength();
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractReplicateOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractReplicateOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractReplicateOperatorDescriptor.java
index 8ee4fa3..16c0a29 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractReplicateOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/base/AbstractReplicateOperatorDescriptor.java
@@ -84,16 +84,16 @@ public abstract class AbstractReplicateOperatorDescriptor 
extends AbstractOperat
 
     @Override
     public void contributeActivities(IActivityGraphBuilder builder) {
-        ReplicatorMaterializerActivityNode sma = new 
ReplicatorMaterializerActivityNode(
-                new ActivityId(odId, SPLITTER_MATERIALIZER_ACTIVITY_ID));
+        ReplicatorMaterializerActivityNode sma =
+                new ReplicatorMaterializerActivityNode(new ActivityId(odId, 
SPLITTER_MATERIALIZER_ACTIVITY_ID));
         builder.addActivity(this, sma);
         builder.addSourceEdge(0, sma, 0);
         int pipelineOutputIndex = 0;
         int activityId = MATERIALIZE_READER_ACTIVITY_ID;
         for (int i = 0; i < outputArity; i++) {
             if (outputMaterializationFlags[i]) {
-                MaterializeReaderActivityNode mra = new 
MaterializeReaderActivityNode(
-                        new ActivityId(odId, activityId++));
+                MaterializeReaderActivityNode mra =
+                        new MaterializeReaderActivityNode(new ActivityId(odId, 
activityId++));
                 builder.addActivity(this, mra);
                 builder.addBlockingEdge(sma, mra);
                 builder.addTargetEdge(i, mra, 0);
@@ -165,7 +165,7 @@ public abstract class AbstractReplicateOperatorDescriptor 
extends AbstractOperat
                                     writers[i].close();
                                 } catch (Throwable th) {
                                     if (hde == null) {
-                                        hde = new HyracksDataException(th);
+                                        hde = HyracksDataException.create(th);
                                     } else {
                                         hde.addSuppressed(th);
                                     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
index 7ff280b..6748a4d 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/collectors/InputChannelFrameReader.java
@@ -53,7 +53,8 @@ public class InputChannelFrameReader implements IFrameReader, 
IInputChannelMonit
             try {
                 wait();
             } catch (InterruptedException e) {
-                throw new HyracksDataException(e);
+                Thread.currentThread().interrupt();
+                throw HyracksDataException.create(e);
             }
         }
         if (failed) {

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
index 253b3e3..63bb72b 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/LocalityAwarePartitionDataWriter.java
@@ -130,7 +130,7 @@ public class LocalityAwarePartitionDataWriter implements 
IFrameWriter {
                     appenders[i].write(pWriters[i], true);
                 } catch (Throwable th) {
                     if (closeException == null) {
-                        closeException = new HyracksDataException(th);
+                        closeException = HyracksDataException.create(th);
                     } else {
                         closeException.addSuppressed(th);
                     }
@@ -139,7 +139,7 @@ public class LocalityAwarePartitionDataWriter implements 
IFrameWriter {
                         pWriters[i].close();
                     } catch (Throwable th) {
                         if (closeException == null) {
-                            closeException = new HyracksDataException(th);
+                            closeException = HyracksDataException.create(th);
                         } else {
                             closeException.addSuppressed(th);
                         }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNBroadcastConnectorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNBroadcastConnectorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNBroadcastConnectorDescriptor.java
index d748c8e..4246626 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNBroadcastConnectorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/connectors/MToNBroadcastConnectorDescriptor.java
@@ -95,7 +95,7 @@ public class MToNBroadcastConnectorDescriptor extends 
AbstractMToNConnectorDescr
                             epWriters[i].close();
                         } catch (Throwable th) {
                             if (closeException == null) {
-                                closeException = new HyracksDataException(th);
+                                closeException = 
HyracksDataException.create(th);
                             } else {
                                 closeException.addSuppressed(th);
                             }
@@ -129,8 +129,8 @@ public class MToNBroadcastConnectorDescriptor extends 
AbstractMToNConnectorDescr
             int nProducerPartitions, int nConsumerPartitions) throws 
HyracksDataException {
         BitSet expectedPartitions = new BitSet(nProducerPartitions);
         expectedPartitions.set(0, nProducerPartitions);
-        NonDeterministicChannelReader channelReader = new 
NonDeterministicChannelReader(nProducerPartitions,
-                expectedPartitions);
+        NonDeterministicChannelReader channelReader =
+                new NonDeterministicChannelReader(nProducerPartitions, 
expectedPartitions);
         NonDeterministicFrameReader frameReader = new 
NonDeterministicFrameReader(channelReader);
         return new PartitionCollector(ctx, getConnectorId(), index, 
expectedPartitions, frameReader, channelReader);
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
index a34a322..b94f305 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/FrameFileWriterOperatorDescriptor.java
@@ -66,7 +66,7 @@ public class FrameFileWriterOperatorDescriptor extends 
AbstractSingleActivityOpe
                 try {
                     out.write(buffer.array());
                 } catch (IOException e) {
-                    throw new HyracksDataException(e);
+                    throw HyracksDataException.create(e);
                 }
             }
 
@@ -79,7 +79,7 @@ public class FrameFileWriterOperatorDescriptor extends 
AbstractSingleActivityOpe
                 try {
                     out.close();
                 } catch (IOException e) {
-                    throw new HyracksDataException(e);
+                    throw HyracksDataException.create(e);
                 }
             }
         };

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
index 3a3f414..76ebaa4 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/file/PlainFileWriterOperatorDescriptor.java
@@ -76,8 +76,8 @@ public class PlainFileWriterOperatorDescriptor extends 
AbstractSingleActivityOpe
         final FileSplit[] splits = fileSplitProvider.getFileSplits();
         IIOManager ioManager = ctx.getIoManager();
         // Frame accessor
-        final FrameTupleAccessor frameTupleAccessor = new FrameTupleAccessor(
-                recordDescProvider.getInputRecordDescriptor(getActivityId(), 
0));
+        final FrameTupleAccessor frameTupleAccessor =
+                new 
FrameTupleAccessor(recordDescProvider.getInputRecordDescriptor(getActivityId(), 
0));
         // Record descriptor
         final RecordDescriptor recordDescriptor = 
recordDescProvider.getInputRecordDescriptor(getActivityId(), 0);
         return new AbstractUnaryInputSinkOperatorNodePushable() {
@@ -131,7 +131,7 @@ public class PlainFileWriterOperatorDescriptor extends 
AbstractSingleActivityOpe
                 try {
                     out.close();
                 } catch (IOException e) {
-                    throw new HyracksDataException(e);
+                    throw HyracksDataException.create(e);
                 }
             }
         };

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
index e7e084c..fa812cf 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/map/ReflectionBasedDeserializedMapperFactory.java
@@ -33,10 +33,8 @@ public class ReflectionBasedDeserializedMapperFactory 
implements IDeserializedMa
     public IDeserializedMapper createMapper() throws HyracksDataException {
         try {
             return mapperClass.newInstance();
-        } catch (InstantiationException e) {
-            throw new HyracksDataException(e);
-        } catch (IllegalAccessException e) {
-            throw new HyracksDataException(e);
+        } catch (Exception e) {
+            throw HyracksDataException.create(e);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
index 2dbcf83..ecee076 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
@@ -24,7 +24,6 @@ import org.apache.hadoop.mapreduce.JobID;
 import org.apache.hadoop.mapreduce.Mapper;
 import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
-
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
@@ -37,7 +36,7 @@ public class ContextFactory {
         try {
             return new Mapper().new Context(conf, tid, null, null, null, null, 
null);
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 
@@ -46,7 +45,7 @@ public class ContextFactory {
             TaskAttemptID tid = new TaskAttemptID("", 0, true, partition, 0);
             return new TaskAttemptContext(conf, tid);
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
index dc6ca4e..96b0a23 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-2.x/src/main/java/org/apache/hyracks/hdfs/ContextFactory.java
@@ -26,7 +26,6 @@ import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.mapreduce.TaskType;
 import org.apache.hadoop.mapreduce.task.JobContextImpl;
 import org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl;
-
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 /**
@@ -38,7 +37,7 @@ public class ContextFactory {
         try {
             return new TaskAttemptContextImpl(conf, tid);
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 
@@ -47,7 +46,7 @@ public class ContextFactory {
             TaskAttemptID tid = new TaskAttemptID("", 0, TaskType.REDUCE, 
partition, 0);
             return new TaskAttemptContextImpl(conf, tid);
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
index 3840167..33b84dc 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/ConfFactory.java
@@ -39,7 +39,7 @@ public class ConfFactory implements Serializable {
             confBytes = bos.toByteArray();
             dos.close();
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 
@@ -51,7 +51,7 @@ public class ConfFactory implements Serializable {
             dis.close();
             return conf;
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
index e7a3111..dcf4508 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/HDFSWriteOperatorDescriptor.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.mapred.FileOutputFormat;
 import org.apache.hadoop.mapred.JobConf;
-
 import org.apache.hyracks.api.context.IHyracksTaskContext;
 import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
 import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
@@ -124,7 +123,7 @@ public class HDFSWriteOperatorDescriptor extends 
AbstractSingleActivityOperatorD
                     tupleWriter.close(dos);
                     dos.close();
                 } catch (Exception e) {
-                    throw new HyracksDataException(e);
+                    throw HyracksDataException.create(e);
                 } finally {
                     Thread.currentThread().setContextClassLoader(ctxCL);
                 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
index 927eb54..5cc09b7 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs/dataflow/InputSplitsFactory.java
@@ -103,7 +103,7 @@ public class InputSplitsFactory implements Serializable {
             dis.close();
             return splits;
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
index 0e49fef..b02a97b 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/ConfFactory.java
@@ -25,7 +25,6 @@ import java.io.DataOutputStream;
 import java.io.Serializable;
 
 import org.apache.hadoop.mapreduce.Job;
-
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 public class ConfFactory implements Serializable {
@@ -40,7 +39,7 @@ public class ConfFactory implements Serializable {
             confBytes = bos.toByteArray();
             dos.close();
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 
@@ -52,7 +51,7 @@ public class ConfFactory implements Serializable {
             dis.close();
             return conf;
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
index ef95ee8..682b49a 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/FileSplitsFactory.java
@@ -30,7 +30,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.hadoop.mapreduce.lib.input.FileSplit;
-
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 
 @SuppressWarnings("rawtypes")
@@ -96,7 +95,7 @@ public class FileSplitsFactory implements Serializable {
             ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
             DataInputStream dis = new DataInputStream(bis);
             int size = dis.readInt();
-            List<FileSplit> splits = new ArrayList<FileSplit>();
+            List<FileSplit> splits = new ArrayList<>();
             for (int i = 0; i < size; i++) {
                 splits.add((FileSplit) defaultConstructor.newInstance());
                 splits.get(i).readFields(dis);
@@ -104,7 +103,7 @@ public class FileSplitsFactory implements Serializable {
             dis.close();
             return splits;
         } catch (Exception e) {
-            throw new HyracksDataException(e);
+            throw HyracksDataException.create(e);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
index c27e4ec..1f163ba 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/org/apache/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
@@ -27,7 +27,6 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.mapreduce.Job;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
-
 import org.apache.hyracks.api.context.IHyracksTaskContext;
 import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
 import org.apache.hyracks.api.dataflow.value.IRecordDescriptorProvider;
@@ -123,7 +122,7 @@ public class HDFSWriteOperatorDescriptor extends 
AbstractSingleActivityOperatorD
                     tupleWriter.close(dos);
                     dos.close();
                 } catch (Exception e) {
-                    throw new HyracksDataException(e);
+                    throw HyracksDataException.create(e);
                 } finally {
                     Thread.currentThread().setContextClassLoader(ctxCL);
                 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
 
b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
index d9ab210..dea48bd 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-ipc/src/main/java/org/apache/hyracks/ipc/impl/IPCSystem.java
@@ -74,6 +74,7 @@ public class IPCSystem {
         } catch (IOException e) {
             throw new IPCException(e);
         } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
             throw new IPCException(e);
         }
     }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
index b358f07..07d07c3 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
@@ -215,7 +215,7 @@ public abstract class IndexSearchOperatorNodePushable 
extends AbstractUnaryInput
                     }
                 } catch (Throwable th) {
                     writer.fail();
-                    closeException = new HyracksDataException(th);
+                    closeException = HyracksDataException.create(th);
                 }
             }
 
@@ -223,7 +223,7 @@ public abstract class IndexSearchOperatorNodePushable 
extends AbstractUnaryInput
                 cursor.close();
             } catch (Throwable th) {
                 if (closeException == null) {
-                    closeException = new HyracksDataException(th);
+                    closeException = HyracksDataException.create(th);
                 } else {
                     closeException.addSuppressed(th);
                 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/MutableArrayValueReference.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/MutableArrayValueReference.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/MutableArrayValueReference.java
index a19e69a..157450a 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/MutableArrayValueReference.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/freepage/MutableArrayValueReference.java
@@ -18,6 +18,8 @@
  */
 package org.apache.hyracks.storage.am.common.freepage;
 
+import java.nio.charset.StandardCharsets;
+
 import org.apache.hyracks.data.std.api.IValueReference;
 
 public class MutableArrayValueReference implements IValueReference {
@@ -46,4 +48,9 @@ public class MutableArrayValueReference implements 
IValueReference {
         return array == null ? 0 : array.length;
     }
 
+    @Override
+    public String toString() {
+        return new String(array, StandardCharsets.UTF_8);
+    }
+
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
index eb8ec92..33bb60e 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeDiskComponent.java
@@ -63,4 +63,9 @@ public class LSMBTreeDiskComponent extends 
AbstractLSMDiskComponent {
     public int getFileReferenceCount() {
         return btree.getBufferCache().getFileReferenceCount(btree.getFileId());
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + 
btree.getFileReference().getRelativePath();
+    }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
index 57b9092..0ba7c30 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyDiskComponent.java
@@ -74,4 +74,8 @@ public class LSMBTreeWithBuddyDiskComponent extends 
AbstractLSMDiskComponent {
         return btree.getBufferCache().getFileReferenceCount(btree.getFileId());
     }
 
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + 
btree.getFileReference().getRelativePath();
+    }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
index 8ff907a..b1005bd 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMHarness.java
@@ -221,6 +221,7 @@ public class LSMHarness implements ILSMHarness {
                      * See PrefixMergePolicy.isMergeLagging() for more details.
                      */
                     if (opType == LSMOperationType.FLUSH) {
+                        opTracker.notifyAll();
                         while (mergePolicy.isMergeLagging(lsmIndex)) {
                             try {
                                 opTracker.wait();
@@ -672,16 +673,27 @@ public class LSMHarness implements ILSMHarness {
     }
 
     /***
-     * Ensures the index is in a modifiable state
-     * @throws HyracksDataException if the index is not in a modifiable state
+     * Ensures the index is in a modifiable state (no failed flushes)
+     *
+     * @throws HyracksDataException
+     *             if the index is not in a modifiable state
      */
     private void ensureIndexModifiable() throws HyracksDataException {
+        // if current memory component has a flush request, it means that 
flush didn't start for it
+        if (lsmIndex.hasFlushRequestForCurrentMutableComponent()) {
+            return;
+        }
         // find if there is any memory component which is in a writable state 
or eventually will be in a writable state
         for (ILSMMemoryComponent memoryComponent : 
lsmIndex.getMemoryComponents()) {
             switch (memoryComponent.getState()) {
                 case INACTIVE:
+                    // will be activated on next modification
+                case UNREADABLE_UNWRITABLE:
+                    // flush completed successfully but readers are still 
inside
                 case READABLE_WRITABLE:
+                    // writable
                 case READABLE_UNWRITABLE_FLUSHING:
+                    // flush is ongoing
                     return;
                 default:
                     // continue to the next component

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/utils/ComponentMetadataUtil.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/utils/ComponentMetadataUtil.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/utils/ComponentMetadataUtil.java
index 6ccbc8d..40017d1 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/utils/ComponentMetadataUtil.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/utils/ComponentMetadataUtil.java
@@ -19,6 +19,8 @@
 package org.apache.hyracks.storage.am.lsm.common.utils;
 
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.data.std.api.IPointable;
@@ -32,8 +34,8 @@ import 
org.apache.hyracks.storage.am.lsm.common.api.ILSMMemoryComponent;
 
 public class ComponentMetadataUtil {
 
-    public static final MutableArrayValueReference MARKER_LSN_KEY =
-            new MutableArrayValueReference("Marker".getBytes());
+    private static final Logger LOGGER = 
Logger.getLogger(ComponentMetadataUtil.class.getName());
+    public static final MutableArrayValueReference MARKER_LSN_KEY = new 
MutableArrayValueReference("Marker".getBytes());
     public static final long NOT_FOUND = -1L;
 
     private ComponentMetadataUtil() {
@@ -71,16 +73,28 @@ public class ComponentMetadataUtil {
      * @throws HyracksDataException
      */
     public static void get(ILSMIndex index, IValueReference key, IPointable 
pointable) throws HyracksDataException {
+        LOGGER.log(Level.INFO, "Getting " + key + " from index " + index);
         // Lock the opTracker to ensure index components don't change
         synchronized (index.getOperationTracker()) {
             index.getCurrentMemoryComponent().getMetadata().get(key, 
pointable);
             if (pointable.getLength() == 0) {
+                LOGGER.log(Level.INFO, key + " was not found in mutable memory 
component of " + index);
                 // was not found in the in current mutable component, search 
in the other in memory components
                 fromImmutableMemoryComponents(index, key, pointable);
                 if (pointable.getLength() == 0) {
+                    LOGGER.log(Level.INFO, key + " was not found in all 
immmutable memory components of " + index);
                     // was not found in the in all in memory components, 
search in the disk components
                     fromDiskComponents(index, key, pointable);
+                    if (pointable.getLength() == 0) {
+                        LOGGER.log(Level.INFO, key + " was not found in all 
disk components of " + index);
+                    } else {
+                        LOGGER.log(Level.INFO, key + " was found in disk 
components of " + index);
+                    }
+                } else {
+                    LOGGER.log(Level.INFO, key + " was found in the immutable 
memory components of " + index);
                 }
+            } else {
+                LOGGER.log(Level.INFO, key + " was found in mutable memory 
component of " + index);
             }
         }
     }
@@ -105,7 +119,9 @@ public class ComponentMetadataUtil {
 
     private static void fromDiskComponents(ILSMIndex index, IValueReference 
key, IPointable pointable)
             throws HyracksDataException {
+        LOGGER.log(Level.INFO, "Getting " + key + " from disk components of " 
+ index);
         for (ILSMDiskComponent c : index.getImmutableComponents()) {
+            LOGGER.log(Level.INFO, "Getting " + key + " from disk components " 
+ c);
             c.getMetadata().get(key, pointable);
             if (pointable.getLength() != 0) {
                 // Found
@@ -115,10 +131,13 @@ public class ComponentMetadataUtil {
     }
 
     private static void fromImmutableMemoryComponents(ILSMIndex index, 
IValueReference key, IPointable pointable) {
+        LOGGER.log(Level.INFO, "Getting " + key + " from immutable memory 
components of " + index);
         List<ILSMMemoryComponent> memComponents = index.getMemoryComponents();
         int numOtherMemComponents = memComponents.size() - 1;
         int next = index.getCurrentMemoryComponentIndex();
+        LOGGER.log(Level.INFO, index + " has " + numOtherMemComponents + " 
immutable memory components");
         for (int i = 0; i < numOtherMemComponents; i++) {
+            LOGGER.log(Level.INFO, "trying to get " + key + " from immutable 
memory components number: " + (i + 1));
             next = next - 1;
             if (next < 0) {
                 next = memComponents.size() - 1;

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
index f2b3284..2470a39 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexDiskComponent.java
@@ -75,4 +75,9 @@ public class LSMInvertedIndexDiskComponent extends 
AbstractLSMDiskComponent {
     public int getFileReferenceCount() {
         return 
deletedKeysBTree.getBufferCache().getFileReferenceCount(deletedKeysBTree.getFileId());
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + ((OnDiskInvertedIndex) 
invIndex).getInvListsFile().getRelativePath();
+    }
 }

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
index d89a31a..9332302 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndex.java
@@ -43,8 +43,8 @@ import 
org.apache.hyracks.storage.am.common.api.IIndexOperationContext;
 import org.apache.hyracks.storage.am.common.api.IPageManagerFactory;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import org.apache.hyracks.storage.am.common.tuples.PermutingTupleReference;
-import 
org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 import 
org.apache.hyracks.storage.am.lsm.invertedindex.api.IInPlaceInvertedIndex;
+import 
org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexAccessor;
 import 
org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearcher;
 import 
org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListBuilder;
 import org.apache.hyracks.storage.am.lsm.invertedindex.api.IInvertedListCursor;
@@ -292,7 +292,7 @@ public class OnDiskInvertedIndex implements 
IInPlaceInvertedIndex {
                 output.writeInt(invListBuilder.getListSize());
                 btreeTupleBuilder.addFieldEndOffset();
             } catch (IOException e) {
-                throw new HyracksDataException(e);
+                throw HyracksDataException.create(e);
             }
             // Reset tuple reference and add it into the BTree load.
             btreeTupleReference.reset(btreeTupleBuilder.getFieldEndOffsets(), 
btreeTupleBuilder.getByteArray());

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/07075667/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
----------------------------------------------------------------------
diff --git 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
index 982f89b..54ef122 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeDiskComponent.java
@@ -76,4 +76,9 @@ public class LSMRTreeDiskComponent extends 
AbstractLSMDiskComponent {
     public int getFileReferenceCount() {
         return rtree.getBufferCache().getFileReferenceCount(rtree.getFileId());
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + ":" + 
rtree.getFileReference().getRelativePath();
+    }
 }

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