- disable Jetty servlet defaultUseCache (prevent double caching)

- include short memory status check for class cache in DefaultServlet
- remove obsolete Resource interface for Jetty8YaCyDefaultServlet

source/net/yacy/http/Jetty8YaCyDefaultServlet.java

@@ -54,7 +54,6 @@ import org.eclipse.jetty.util.MultiPartOutputStream;
 import org.eclipse.jetty.util.QuotedStringTokenizer;
 import org.eclipse.jetty.util.URIUtil;
 import org.eclipse.jetty.util.resource.Resource;
-import org.eclipse.jetty.util.resource.ResourceFactory;
 
 /* ------------------------------------------------------------ */
 /**
@@ -95,7 +94,7 @@ import org.eclipse.jetty.util.resource.ResourceFactory;
  * </PRE>
  *
  */
-public class Jetty8YaCyDefaultServlet extends YaCyDefaultServlet implements ResourceFactory {
+public class Jetty8YaCyDefaultServlet extends YaCyDefaultServlet {
 
     private static final long serialVersionUID = 4900000000000001110L;
     

source/net/yacy/http/YaCyDefaultServlet.java

@@ -154,6 +154,7 @@ public abstract class YaCyDefaultServlet extends HttpServlet  {
         _dirAllowed = getInitBoolean("dirAllowed", _dirAllowed);
         _pathInfoOnly = getInitBoolean("pathInfoOnly", _pathInfoOnly);
 
+        Resource.setDefaultUseCaches(false); // caching is handled internally (prevent double caching)
         _relativeResourceBase = getInitParameter("relativeResourceBase");
 
         String rb = getInitParameter("resourceBase");
@@ -168,7 +169,7 @@ public abstract class YaCyDefaultServlet extends HttpServlet  {
                 throw new UnavailableException(e.toString());
             }
         }
-
+        
         _etags = getInitBoolean("etags", _etags);
         
         if (ConcurrentLog.isFine("FILEHANDLER")) {
@@ -423,9 +424,12 @@ public abstract class YaCyDefaultServlet extends HttpServlet  {
                 serverSwitch.class};
             m = c.getMethod("respond", params);
 
-            // store the method into the cache
-            templateMethodCache.put(classFile, new SoftReference<Method>(m));
-
+            if (MemoryControl.shortStatus()) {
+                templateMethodCache.clear();
+            } else {
+                // store the method into the cache
+                templateMethodCache.put(classFile, new SoftReference<Method>(m));
+            }
         } catch (final ClassNotFoundException e) {
             ConcurrentLog.severe("FILEHANDLER","YaCyDefaultServlet: class " + classFile + " is missing:" + e.getMessage());
             throw new InvocationTargetException(e, "class " + classFile + " is missing:" + e.getMessage());