Index: .classpath
===================================================================
--- .classpath	(revision 53248)
+++ .classpath	(working copy)
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry excluding="**/*.java|**/*.java" kind="src" path="src/java"/>
+	<classpathentry kind="src" path="src/java"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="var" path="M2_REPO/javax/activation/activation/1.0.2/activation-1.0.2.jar"/>
 	<classpathentry kind="var" path="M2_REPO/ant/ant-optional/1.5.1/ant-optional-1.5.1.jar"/>
Index: src/java/org/sakaiproject/tool/assessment/ui/listener/author/PublishAssessmentListener.java
===================================================================
--- src/java/org/sakaiproject/tool/assessment/ui/listener/author/PublishAssessmentListener.java	(revision 53248)
+++ src/java/org/sakaiproject/tool/assessment/ui/listener/author/PublishAssessmentListener.java	(working copy)
@@ -25,6 +25,8 @@
 
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
 //import java.util.Map;
 
 import javax.faces.application.FacesMessage;
@@ -73,14 +75,15 @@
       IntegrationContextFactory.getInstance().getGradebookServiceHelper();
   private static final boolean integrated =
       IntegrationContextFactory.getInstance().isIntegrated();
-  private static Boolean repeatedPublish = Boolean.FALSE;
+  private static final Lock repeatedPublishLock = new ReentrantLock();
+  private static boolean repeatedPublish = false;
 
   public PublishAssessmentListener() {
   }
 
   public void processAction(ActionEvent ae) throws AbortProcessingException {
-  	synchronized(repeatedPublish)
-		{
+	  repeatedPublishLock.lock();
+	  try {
   		//FacesContext context = FacesContext.getCurrentInstance();
   		
   		UIComponent eventSource = (UIComponent) ae.getSource();
@@ -88,11 +91,11 @@
   		String buttonValue = (String) vb.getExpressionString(); 
   		if(buttonValue.endsWith(".button_unique_save_and_publish}"))
   		{
-  			repeatedPublish = Boolean.FALSE;
+  			repeatedPublish = false;
   			return;
   		}
   		
-  		if(!repeatedPublish.booleanValue())
+  		if(!repeatedPublish)
   		{
   			//Map reqMap = context.getExternalContext().getRequestMap();
   			//Map requestParams = context.getExternalContext().getRequestParameterMap();
@@ -120,8 +123,10 @@
   			authorActionListener.prepareAssessmentsList(author, assessmentService, gradingService, publishedAssessmentService);
   			
   			
-  			repeatedPublish = Boolean.TRUE;
+  			repeatedPublish = true;
   		}
+		} finally {
+			repeatedPublishLock.unlock();
 		}
   }