Merge pull request #764 from tristantarrant/JGRP-2756/jdbc_driver_cla…

…ssloader

JGRP-2756 Look for JDBC drivers in multiple classloaders

src/org/jgroups/protocols/JDBC_PING.java

@@ -271,7 +271,7 @@ protected void loadDriver() {
             return;
         log.debug("Registering JDBC Driver named '%s'", connection_driver);
         try {
-            Class.forName(connection_driver);
+            Util.loadClass(connection_driver, this.getClass().getClassLoader());
         } catch (ClassNotFoundException e) {
             throw new IllegalArgumentException("JDBC Driver required for JDBC_PING "
                         + " protocol could not be loaded: '" + connection_driver + "'");