try to remove hung swf parser from queue

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6090 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/plasma/parser/swf/swfParser.java

@@ -72,6 +72,8 @@ public Hashtable<String, String> getSupportedMimeTypes() {
      */
     public plasmaParserDocument parse(final yacyURL location, final String mimeType, final String charset, final InputStream source) throws ParserException, InterruptedException {
 
+    	plasmaParserDocument theDoc = null;
+
         try {
             final SWF2HTML swf2html = new SWF2HTML();
             String contents = "";
@@ -109,7 +111,7 @@ public plasmaParserDocument parse(final yacyURL location, final String mimeType,
             }
 
            // As the result of parsing this function must return a plasmaParserDocument object
-            final plasmaParserDocument theDoc = new plasmaParserDocument(
+            theDoc = new plasmaParserDocument(
                     location,     // url of the source document
                     mimeType,     // the documents mime type
                     "UTF-8",      // charset of the document text
@@ -134,6 +136,13 @@ public plasmaParserDocument parse(final yacyURL location, final String mimeType,
             final String errorMsg = "Unable to parse the swf document '" + location + "':" + e.getMessage();
             this.theLogger.logSevere(errorMsg);
             throw new ParserException(errorMsg, location);
+        } finally {
+        	if (theDoc == null) {
+                // if an unexpected error occures just log the error and raise a new ParserException
+                final String errorMsg = "Unable to parse the swf document '" + location + "': possibly out of memory";
+                this.theLogger.logSevere(errorMsg);
+                throw new ParserException(errorMsg, location);
+        	}
         }
     }