Fixing compiler source for modules that now require Java 8

jetty-server/pom.xml

@@ -14,6 +14,14 @@
   </properties>
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>1.8</source>
+          <target>1.7</target>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.felix</groupId>
         <artifactId>maven-bundle-plugin</artifactId>

jetty-server/src/main/java/org/eclipse/jetty/server/handler/ContextHandler.java

@@ -2220,8 +2220,8 @@ public class ContextHandler extends ScopedHandler implements Attributes, Gracefu
 
             try
             {
-                @SuppressWarnings("unchecked")
-                Class<? extends EventListener> clazz = _classLoader==null?Loader.loadClass(ContextHandler.class,className):_classLoader.loadClass(className);
+                @SuppressWarnings({ "unchecked", "rawtypes" })
+                Class<? extends EventListener> clazz = _classLoader==null?Loader.loadClass(ContextHandler.class,className):(Class)_classLoader.loadClass(className);
                 addListener(clazz);
             }
             catch (ClassNotFoundException e)

jetty-util/pom.xml

@@ -14,6 +14,14 @@
   </properties>
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>1.8</source>
+          <target>1.7</target>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.felix</groupId>
         <artifactId>maven-bundle-plugin</artifactId>