juick-xmpp: fix NPE

1 files changed, 7 insertions, 2 deletions

diff --git a/juick-xmpp/src/main/java/com/juick/components/s2s/ConnectionIn.java b/juick-xmpp/src/main/java/com/juick/components/s2s/ConnectionIn.java
index 3304f73f..60268284 100644
--- a/juick-xmpp/src/main/java/com/juick/components/s2s/ConnectionIn.java
+++ b/juick-xmpp/src/main/java/com/juick/components/s2s/ConnectionIn.java
@@ -106,8 +106,13 @@ public class ConnectionIn extends Connection implements Runnable {
                     updateTsRemoteData();
                     boolean valid = false;
                     if (vfrom != null && vto != null && vid != null && vkey != null) {
-                        String dialbackKey = xmpp.getConnectionOut(vfrom, false).dbKey;
-                        valid = vkey.equals(dialbackKey);
+                        ConnectionOut c = xmpp.getConnectionOut(vfrom, false);
+                        if (c == null) {
+                            logger.warn("outgoing connection to {} not found", vfrom);
+                        } else {
+                            String dialbackKey = c.dbKey;
+                            valid = vkey.equals(dialbackKey);
+                        }
                     }
                     if (valid) {
                         sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='valid'/>");