get a handle for grep: 'StackTrace'

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6462 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/kelondro/logging/Log.java

@@ -166,7 +166,7 @@ public final class Log {
         enQueueLog(appName, Level.WARNING, message);
     }
     public final static void logException(final Throwable thrown) {
-        enQueueLog("", Level.WARNING, thrown.getMessage(), thrown);
+        enQueueLog("StackTrace", Level.WARNING, thrown.getMessage(), thrown);
     }
     public final static void logWarning(final String appName, final String message, final Throwable thrown) {
         enQueueLog(appName, Level.WARNING, message, thrown);