diff --git a/src/altk/comm/engine/postback/PostBack.java b/src/altk/comm/engine/postback/PostBack.java
index f1e3486..e87730a 100644
--- a/src/altk/comm/engine/postback/PostBack.java
+++ b/src/altk/comm/engine/postback/PostBack.java
@@ -108,7 +108,11 @@ public class PostBack
                             if (report == null) break;
                             reportList.add(report);
                         }
-                        if (reportList.size() > 0) break;  // break out to do the work.
+                        if (reportList.size() > 0)
+                        {
+                            postQueue.notify();
+                            break;  // break out to do the work.
+                        }
                         
                         // Nothing to do, so wait a while, and look at the
                         // queue again.
@@ -136,8 +140,11 @@ public class PostBack
                             
                         case SERVER_IO_ERROR:
                             // TODO: Limit retries, using rate limiting.  Posting can be recovered using the activity log.
-                            // Re-queue this job
-                            queueReports(reportList);
+                            // Re-queue these reports
+                            for (String rpt : reportList)
+                            {
+                                queueReport(rpt);
+                            }
                             // Sleep for a while before retrying this PostBack server.
                             CommonLogger.alarm.warn(getName() + ": Caught server IO error.  sleep for " + POSTBACK_SERVER_WAIT_TIME + " seconds");
                             try
@@ -372,14 +379,29 @@ public class PostBack
         myLogger.debug(myName + ": postQueue size: " + postQueue.size());
         synchronized(postQueue)
         {
-            if (postQueue.size() < maxQueueSize)
-            {    
-                postQueue.add(report);
-                postQueue.notify();
-                return true;
+            for (;;)
+            {
+                if (postQueue.size() < maxQueueSize)
+                {    
+                    postQueue.add(report);
+                    postQueue.notify();
+                    return true;
+                }
+                else
+                {
+                    myLogger.debug("Waiting for space in postQueue to queue report");
+                    try
+                    {
+                        postQueue.wait();
+                    }
+                    catch (InterruptedException e)
+                    {
+                        break;
+                    }
+                }
             }
         }
-        CommonLogger.alarm.warn(myName + ".queueReport method returning false");
+        myLogger.error("Interrupted while waiting for space to queue report");
         return false;
     }
     
@@ -389,6 +411,8 @@ public class PostBack
      * @param reports to be added back to postQueue
      * @return true if all jobs have been added to queue, false otherwise (queue full)
      */
+    /*
+    @Deprecated
     public boolean queueReports(List<String> reports)
     {
         myLogger.debug(myName + ": postQueue size: " + postQueue.size());
@@ -416,6 +440,7 @@ public class PostBack
             return returnValue;
         }
     }
+    */
 
     public void terminate()
     {