diff --git shims/src/hadoop23/org/apache/pig/backend/hadoop23/PigJobControl.java shims/src/hadoop23/org/apache/pig/backend/hadoop23/PigJobControl.java
index 6b03b50..411d4fc 100644
--- shims/src/hadoop23/org/apache/pig/backend/hadoop23/PigJobControl.java
+++ shims/src/hadoop23/org/apache/pig/backend/hadoop23/PigJobControl.java
@@ -20,6 +20,7 @@ package org.apache.pig.backend.hadoop23;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.Iterator;
+import java.util.List;
 import java.util.LinkedList;
 
 import org.apache.commons.logging.Log;
@@ -179,7 +180,50 @@ public class PigJobControl extends JobControl {
           }
           while(it.hasNext()) {
             ControlledJob j = it.next();
-            log.debug("Checking state of job "+j);
+
+            // For logging
+            StringBuffer sb = new StringBuffer();
+
+            // Job name
+            sb.append("job name:\t");
+            String jobName = null;
+            if (j.getJob().getStatus() == null) {
+              jobName = null;
+              log.warn("Unable to get job name, as job status is null.");
+            } else {
+              jobName = j.getJobName();
+            }
+            sb.append(jobName).append("\n");  // still ok when jobName is null, "null" is appended
+
+            // Others
+            sb.append("job id:\t").append(j.getJobID()).append("\n");
+            sb.append("job state:\t").append(j.getJobState()).append("\n");
+            sb.append("job mapred id:\t").append(j.getJobID()).append("\n");
+            sb.append("job message:\t").append(j.getMessage()).append("\n");
+
+            // The jobs the current job depends on
+            List<ControlledJob> dependentJobs = j.getDependentJobs();
+            if (dependentJobs == null || dependentJobs.size() == 0) {
+              sb.append("job has no depending job:\t").append("\n");
+            } else {
+              sb.append("job has ").append(dependentJobs.size()).
+                      append(" depending jobs:\n");
+              for (int i = 0; i < dependentJobs.size(); i++) {
+                sb.append("\t depending job ").append(i).append(":\t");
+                if (dependentJobs.get(i).getJob().getStatus() == null) {
+                  jobName = null;
+                  log.warn("Unable to get job name, as job status is null.");
+                } else {
+                  jobName = dependentJobs.get(i).getJobName();
+                }
+                sb.append(jobName).append("\n");  // still ok when jobName is null, "null" is appended
+              }
+            }
+
+            // Do logging
+            log.debug("Checking state of job " + sb.toString());
+
+            // Check job state and take actions
             switch(checkState(j)) {
             case SUCCESS:
               getJobs(successfulJobs).add(j);