Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/McMonitoringAction.java
===================================================================
diff -u -r7d03e2ea6fe79a84b7754c4ebed98e4e22cf489f -r27ce47a7e28a2a4804f696bcd55d28d83959fedb
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/McMonitoringAction.java	(.../McMonitoringAction.java)	(revision 7d03e2ea6fe79a84b7754c4ebed98e4e22cf489f)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/McMonitoringAction.java	(.../McMonitoringAction.java)	(revision 27ce47a7e28a2a4804f696bcd55d28d83959fedb)
@@ -337,7 +337,7 @@
 	int rowLimit = WebUtil.readIntParam(request, AttributeNames.PARAM_ROWS);
 	String sortOrder = WebUtil.readStrParam(request, AttributeNames.PARAM_SORD);
 	String sortBy = WebUtil.readStrParam(request, AttributeNames.PARAM_SIDX, true);
-	if (sortBy == "") {
+	if (StringUtils.isEmpty(sortBy)) {
 	    sortBy = "userName";
 	}
 	String searchString = WebUtil.readStrParam(request, "userName", true);