If an exception comes out of DoOnRezScript in DoOnRezScriptQueue(), then only fail a single script rather than halting the exntire script startup process.

OpenSim/Region/ScriptEngine/XEngine/XEngine.cs

@@ -1050,6 +1050,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 int scriptsStarted = 0;
 
                 while (m_CompileQueue.Dequeue(out o))
+                {
+                    try
                     {
                         if (DoOnRezScript(o))
                         {
@@ -1061,6 +1063,15 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                                         "[XEngine]: Started {0} scripts in {1}", scriptsStarted, m_Scene.Name);
                         }
                     }
+                    catch (Exception e)
+                    {
+                        m_log.Error(
+                            string.Format(
+                                "[XEngine]: Failure in DoOnRezScriptQueue() for item {0} in {1}.  Continuing.  Exception  ", 
+                                o[1], m_Scene.Name), 
+                            e);
+                    }
+                }
 
                 if (m_InitialStartup)
                     m_log.InfoFormat(