Revision: 5259
          http://sourceforge.net/p/jump-pilot/code/5259
Author:   edso
Date:     2016-12-15 11:26:16 +0000 (Thu, 15 Dec 2016)
Log Message:
-----------
make sure there is a message to be logged instead of NULL

Modified Paths:
--------------
    core/trunk/src/com/vividsolutions/jump/workbench/Logger.java

Modified: core/trunk/src/com/vividsolutions/jump/workbench/Logger.java
===================================================================
--- core/trunk/src/com/vividsolutions/jump/workbench/Logger.java        
2016-12-15 10:30:48 UTC (rev 5258)
+++ core/trunk/src/com/vividsolutions/jump/workbench/Logger.java        
2016-12-15 11:26:16 UTC (rev 5259)
@@ -136,9 +136,12 @@
         throw new IllegalArgumentException(
             "Logger: either message or throwable must be given. "+element);
 
-    // use throwable's message if null message given
-    if (msg == null)
+    // use throwable's data if null message was given
+    if (msg == null) {
       msg = t.getMessage();
+      if (msg == null || msg.isEmpty() )
+        msg = t.getClass().getName();
+    }
 
     logger.log(logLevel, msg + msgAppend, t);
   }


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