findbugs all over

router/java/src/net/i2p/router/message/OutboundClientMessageJobHelper.java

@@ -260,8 +260,6 @@ class OutboundClientMessageJobHelper {
         // remembering that key+tag so that we can decrypt it later.  this means we can do the
         // garlic encryption without any ElGamal (yay)
         MessageWrapper.OneTimeSession sess = MessageWrapper.generateSession(ctx, skm);
-        if (sess == null)
-            return null;
         GarlicMessage msg = MessageWrapper.wrap(ctx, dsm, sess);
         return msg;
     }

router/java/src/net/i2p/router/networkdb/kademlia/MessageWrapper.java

@@ -187,6 +187,7 @@ public class MessageWrapper {
      *  The recipient can then send us an AES-encrypted message,
      *  avoiding ElGamal.
      *
+     *  @return non-null
      *  @since 0.9.9
      */
     public static OneTimeSession generateSession(RouterContext ctx, SessionKeyManager skm) {