ZoneMinder Forums

Posted: **Wed Jun 29, 2011 7:59 pm**

Hello all,

I was running 1.24.2 and upgraded to 1.24.4. After this, all but one of my cameras are showing blue with time stamp. I am running CentOS 5.6 with all updates. All my cameras are remote NFC31-IR Network Camera. My logs are filled with things that look like this.

Jun 29 15:58:18 surveillance zmc_m8[28538]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m8[28538]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m3[3016]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m3[3016]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m8[28538]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m8[28538]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m4[3026]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m4[3026]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m5[3036]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m5[3036]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m2[11193]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m2[11193]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m7[3056]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m7[3056]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m3[3016]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m3[3016]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m4[3026]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m4[3026]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m6[6541]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m6[6541]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m5[3036]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m5[3036]: WAR [Unable to capture image, retrying]
Jun 29 15:58:18 surveillance zmc_m2[11193]: ERR [Connection dropped by remote end]
Jun 29 15:58:18 surveillance zmc_m2[11193]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m3[3016]: ERR [Connection dropped by remote end]
Jun 29 15:58:19 surveillance zmc_m3[3016]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m4[3026]: ERR [Connection dropped by remote end]
Jun 29 15:58:19 surveillance zmc_m4[3026]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m7[3056]: ERR [Connection dropped by remote end]
Jun 29 15:58:19 surveillance zmc_m7[3056]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m5[3036]: ERR [Connection dropped by remote end]
Jun 29 15:58:19 surveillance zmc_m5[3036]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m6[6541]: ERR [Connection dropped by remote end]
Jun 29 15:58:19 surveillance zmc_m6[6541]: WAR [Unable to capture image, retrying]
Jun 29 15:58:19 surveillance zmc_m3[3016]: ERR [Connection dropped by remote end]

Anyone have any advice? Anything else I can post to help you help me?

Posted: **Wed Jun 29, 2011 9:00 pm**

You are going to need to provide a bit more detail than that. How are your monitors set up for example? I'm not familiar with those cameras so can't suggest anything in that regard. There's not really a huge different in how netcams work between 1.24.2 and 1.24.4 so it is going to be something subtle I suspect.

Posted: **Wed Jun 29, 2011 9:26 pm**

Yes, it is always the small changes that drives one nuts.

I am attaching some screen shots. The one labeled ComputerROOM works, the one labeled Front Desk does not.

Posted: **Wed Jun 29, 2011 9:27 pm**

Looks like I could not attach all to one post. Let me know what else I can provide.

Posted: **Wed Jun 29, 2011 9:29 pm**

The only things that jumps out is that one monitor has a path that starts with /jpg and the other starts with just jpg. Have you tried setting them both the same? Though I can't see why that would make any difference but sometimes cameras are a bit touchy.

Posted: **Wed Jun 29, 2011 10:25 pm**

Yup tried it every which way. Just strange that they all worked till the upgrade.

Posted: **Thu Jun 30, 2011 7:26 am**

It might be worth switching on debug to get a better picture of exactly what is happening with communications to the cameras.

Posted: **Thu Jun 30, 2011 11:30 am**

What do you need me to post?

Posted: **Thu Jun 30, 2011 1:14 pm**

Ok some updates.

I changed the cams that were not working to RTSP. They all worked, but the feed was not reliable as I got the "WAR [Discarding packet for unrecognised ssr]c" errors, this is 64bit Centos.

I changed it to FFMPEG connecting to the same rtsp feed (rtsp://DEVICE_IP/video.mp4) and that also works, but I'm missing too many seconds in between.

Could it be that 1.24.4 doesn't like the format of the jpg? Would upgrading to the test verision 1.25 help?

Posted: **Thu Jun 30, 2011 9:40 pm**

If you go to Options->Debug then there are various options there that allow you to set up debug for one or more processes. Set it for about level 5 for the zmc processes and it should generate some more information. It's hard to say exactly what to look for at this stage, maybe just before the connection to the camera drops.

Posted: **Thu Jun 30, 2011 9:44 pm**

You get unrecognised ssrc messages when the camera is still sending frames for the previous connection whilst the new one is ongoing. After a minute or so, they should stop when it realises that no-one is listening. I don't think 1.25.0 is going to make any difference, there are no changes in that area and it's not quite ready for full time use yet.

Posted: **Fri Jul 15, 2011 8:55 am**

i have the same problem camera stop working after upgrade

http://www.zoneminder.com/forums/viewto ... 21&t=17740

here is part of debug, where zm connect to camera:

07/18/11 13:40:50.900257 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/106 [Connected to host, socket = 4]
07/18/11 13:40:50.900369 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/128 [Request sent]
07/18/11 13:40:51.598088 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 2169 bytes]
07/18/11 13:40:51.598238 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 2169 bytes]
07/18/11 13:40:51.598282 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [HTTP/1.1 200 OK
Date: Mon, 18 Jul 2011 12:36:39 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��]
07/18/11 13:40:51.598318 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/650 [Got http header 'HTTP/1.1 200 OK
Date: Mon, 18 Jul 2011 12:36:39 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��']
07/18/11 13:40:51.598352 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [Date: Mon, 18 Jul 2011 12:36:39 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��]
07/18/11 13:40:51.598390 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/669 [Got ignored header 'Date: Mon, 18 Jul 2011 12:36:39 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��']
07/18/11 13:40:51.598426 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��]
07/18/11 13:40:51.598462 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/669 [Got ignored header 'Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��']
07/18/11 13:40:51.598497 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��]
07/18/11 13:40:51.598612 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/669 [Got ignored header 'Accept-Ranges: bytes
Connection: close
Content-type: image/jpeg

��']
07/18/11 13:40:51.598645 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [Connection: close
Content-type: image/jpeg

��]
07/18/11 13:40:51.598675 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/655 [Got connection header 'Connection: close
Content-type: image/jpeg

��']
07/18/11 13:40:51.598708 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/642 [Content-type: image/jpeg

��]
07/18/11 13:40:51.598741 zmc_m1[-1].DB6-zm_remote_camera_http.cpp/665 [Got content type header 'Content-type: image/jpeg

��']
07/18/11 13:40:51.598785 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/714 [Got status '200' (OK), http version 1.1]
07/18/11 13:40:51.598820 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/721 [Got connection 'close']
07/18/11 13:40:51.598853 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/755 [Got content type 'image/jpeg']
07/18/11 13:40:51.599251 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1448 bytes]
07/18/11 13:40:51.599678 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1448 bytes]
07/18/11 13:40:51.599737 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 480 bytes]
07/18/11 13:40:51.599789 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 480 bytes]
07/18/11 13:40:51.611447 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 119 bytes]
07/18/11 13:40:51.611502 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 119 bytes]
07/18/11 13:40:51.617302 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1448 bytes]
07/18/11 13:40:51.617356 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1448 bytes]
07/18/11 13:40:51.617677 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1448 bytes]
07/18/11 13:40:51.617729 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1448 bytes]
07/18/11 13:40:51.618356 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1200 bytes]
07/18/11 13:40:51.618411 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1200 bytes]
07/18/11 13:40:51.620655 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1448 bytes]
07/18/11 13:40:51.620709 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1448 bytes]
07/18/11 13:40:51.621042 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1448 bytes]
07/18/11 13:40:51.621094 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1448 bytes]
07/18/11 13:40:51.621716 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1200 bytes]
07/18/11 13:40:51.621769 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1200 bytes]
07/18/11 13:40:51.622700 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/174 [Expecting 1413 bytes]
07/18/11 13:40:51.622756 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/199 [Read 1413 bytes]
07/18/11 13:40:51.623463 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/169 [Socket closed]
07/18/11 13:40:51.623609 zmc_m1[-1].DB3-zm_remote_camera_http.cpp/114 [Disconnected from host]
07/18/11 13:40:51.623643 zmc_m1[-1].ERR-zm_remote_camera_http.cpp/985 [Connection dropped by remote end]
07/18/11 13:40:51.624180 zmc_m1[-1].WAR-zm_remote_camera_http.cpp/1086 [Unable to capture image, retrying]

Posted: **Tue Jul 19, 2011 7:50 am**

SAME PROBLEM WITH FREEBSD (AFTER UPGRADE) AND VIVOTEK IP6122
IP7330 WORKS

Posted: **Thu Jul 21, 2011 3:34 pm**

I'm using Toshiba IWKB-16A's and I'm getting the blue screen and the same errors in the log regarding dropped connection when using 1.24.4 or 1.25. With 1.24.2 the same cameras/configs work fine. Something must have changed.

Edit: I just recompiled 1.24.4 with the zm_remote_camera_http.cpp file from 1.24.2 and now my camera images are being captured. If I have time i'll try find the the exact change that is causing the problem. Theres only a few.

Posted: **Fri Jul 22, 2011 10:48 am**

If anyone gets chance, perhaps you could try this patch and see if it helps at all. Sorry for the formatting but hopefully it's simple enough to apply the changes manually anyway.

Code: Select all

Index: src/zm_remote_camera_http.cpp
===================================================================
--- src/zm_remote_camera_http.cpp       (revision 3475)
+++ src/zm_remote_camera_http.cpp       (working copy)
@@ -451,9 +451,12 @@
                                                        int buffer_len = ReadData( buffer );
                                                if ( buffer_len == 0 )
                             {
+                                if ( mode == MULTI_IMAGE )
+                                {
                                 Error( "Connection dropped by remote end" );
                                 return( 0 );
                             }
+                            }
                                                else if ( buffer_len < 0 )
                                                        {
                                 Error( "Unable to read content" );
@@ -982,9 +985,12 @@
                                                        int buffer_len = ReadData( buffer );
                             if ( buffer_len == 0 )
                             {
+                                if ( mode == MULTI_IMAGE )
+                                {
                                 Error( "Connection dropped by remote end" );
                                 return( 0 );
                             }
+                            }
                             else if ( buffer_len < 0 )
                                                        {
                                 Error( "Unable to read content" );

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