From 32522d67e66c2d9adb2fb4d199b9e82172b95bf8 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Mon, 2 Apr 2018 19:44:30 +0300
Subject: XMPP: fix NPE

---
 juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java b/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java
index a60b506d..fbf1a529 100644
--- a/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java
+++ b/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java
@@ -624,8 +624,9 @@ public class XMPPConnection implements StanzaListener, NotificationListener {
                     incomingMessageJuick(user_from, msg.getFrom(), msg.getBody().trim(), null);
                 }
             } catch (Exception e) {
-                return;
+                logger.info("xmpp exception", e);
             }
+            return;
         }
 
         int uid_to = userService.getUIDbyName(username);
@@ -680,7 +681,7 @@ public class XMPPConnection implements StanzaListener, NotificationListener {
             // new message
             List<Tag> tags = tagService.fromString(command, false);
             String body = command.substring(TagUtils.toString(tags).length());
-            String attachmentType = StringUtils.isNotEmpty(attachment.toString()) ? attachment.toString().substring(attachment.toString().length() - 3) : null;
+            String attachmentType = attachment != null && StringUtils.isNotEmpty(attachment.toString()) ? attachment.toString().substring(attachment.toString().length() - 3) : null;
             int mid = messagesService.createMessage(user_from.getUid(), body, attachmentType, tags);
             subscriptionService.subscribeMessage(mid, user_from.getUid());
             if (StringUtils.isNotEmpty(attachmentType)) {
-- 
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