Index: assignment-impl/impl/pom.xml
===================================================================
--- assignment-impl/impl/pom.xml	(revision 96550)
+++ assignment-impl/impl/pom.xml	(working copy)
@@ -83,11 +83,12 @@
             <artifactId>commons-codec</artifactId>
             <version>1.3</version>
         </dependency>
+<dependency>
+    <groupId>org.apache.commons</groupId>
+    <artifactId>commons-lang3</artifactId>
+    <version>3.0.1</version>
+</dependency>        
         <dependency>
-            <groupId>commons-lang</groupId>
-            <artifactId>commons-lang</artifactId>
-        </dependency>
-        <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>servlet-api</artifactId>
         </dependency>
Index: assignment-impl/impl/src/java/org/sakaiproject/assignment/impl/BaseAssignmentService.java
===================================================================
--- assignment-impl/impl/src/java/org/sakaiproject/assignment/impl/BaseAssignmentService.java	(revision 96550)
+++ assignment-impl/impl/src/java/org/sakaiproject/assignment/impl/BaseAssignmentService.java	(working copy)
@@ -45,9 +45,10 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.commons.lang3.math.NumberUtils;
 import org.apache.poi.hssf.usermodel.HSSFCell;
 import org.apache.poi.hssf.usermodel.HSSFCellStyle;
 import org.apache.poi.hssf.usermodel.HSSFRow;
@@ -6403,7 +6404,7 @@
 							m_context = attributes.getValue("context");
 							try
 							{
-								m_position_order = Long.valueOf(attributes.getValue("position_order")).intValue();
+								m_position_order = NumberUtils.toInt(attributes.getValue("position_order"));
 							}
 							catch (Exception e)
 							{