From a5e6b8aff064c182bc19312eeeb501f10d0cef7a Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Wed, 30 Jan 2019 20:17:14 +0000
Subject: [PATCH] 00_MQTT2_SERVER.pm: Remove the "unclean session" error (Forum
 #90145)

git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@18459 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/00_MQTT2_SERVER.pm | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/FHEM/00_MQTT2_SERVER.pm b/FHEM/00_MQTT2_SERVER.pm
index e2ea1c844..aeb81eb4d 100644
--- a/FHEM/00_MQTT2_SERVER.pm
+++ b/FHEM/00_MQTT2_SERVER.pm
@@ -280,11 +280,6 @@ MQTT2_SERVER_Read($@)
     $hash->{keepalive} = unpack('n', substr($pl, $off, 2)); $off += 2;
     ($hash->{cid}, $off) = MQTT2_SERVER_getStr($pl, $off);
 
-    if(!($hash->{cflags} & 0x02)) {
-      Log3 $sname, 2, "$cname wants unclean session, disconnecting";
-      return MQTT2_SERVER_terminate($hash, pack("C*", 0x20, 2, 0, 1));
-    }
-
     my $desc = "keepAlive:$hash->{keepalive}";
     if($hash->{cflags} & 0x04) { # Last Will & Testament
       my ($wt, $wm);