Rikulo-Stream crashes daily with -"SocketException: OS Error: Broken pipe, errno = 32"

Question

I have a simple web app (http://www.webdungeon2.org) (6 pages) running on the latest (April 2014) version of Rikulo Stream (Ubuntu 13.04), Dart 1.2 and I get the following error when browsing (i think):

Uncaught Error: SocketException: OS Error: Broken pipe, errno = 32, address = 0.0.0.0, port = 80
Unhandled exception:
SocketException: OS Error: Broken pipe, errno = 32, address = 0.0.0.0, port = 80
#0      _rootHandleUncaughtError.<anonymous closure>.<anonymous closure> (dart:async/zone.dart:700)
#1      _asyncRunCallbackLoop (dart:async/schedule_microtask.dart:23)
#2      _asyncRunCallback (dart:async/schedule_microtask.dart:32)
#3      _asyncRunCallback (dart:async/schedule_microtask.dart:36)
#4      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:119)

The server crashes and then I restart it. This has happened 3 times in 3 days.

I also get these (which do NOT crash the site):

2014-04-09 15:07:33.394:stream:5
SHOUT: [/MY_WEB_PAGE] HttpException: Trying to set 'Transfer-Encoding: Chunked' on HTTP 1.0 headers
#0      _HttpHeaders.chunkedTransferEncoding= (http_headers.dart:142)
#1      Rsp.init (package:stream/src/rsp_util.dart:25:15)
#2      demo (file:///mytool/webdungeon/web/webapp/demo.rsp.dart:10:16)
#3      _StreamServer._handle (package:stream/src/server_impl.dart:92:39)
#4      _StreamServer._startChannel.<anonymous closure>.<anonymous closure> (package:stream/src/server_impl.dart:310:16)
#5      _rootRunUnary (dart:async/zone.dart:717)
#6      _ZoneDelegate.runUnary (dart:async/zone.dart:449)
#7      _CustomizedZone.runUnary (dart:async/zone.dart:654)
#8      _BaseZone.runUnaryGuarded (dart:async/zone.dart:569)
......
......

Any suggestions?

UPDATE - 12 April

Problem still occurs on Dart 1.3, but error code is different

Uncaught Error: SocketException: OS Error: Connection reset by peer, errno = 104, address = 0.0.0.0, port = 80
Unhandled exception:
SocketException: OS Error: Connection reset by peer, errno = 104, address = 0.0.0.0, port = 80
#0      _rootHandleUncaughtError.<anonymous closure>.<anonymous closure> (dart:async/zone.dart:713)
#1      _asyncRunCallbackLoop (dart:async/schedule_microtask.dart:23)
#2      _asyncRunCallback (dart:async/schedule_microtask.dart:32)
#3      _asyncRunCallback (dart:async/schedule_microtask.dart:36)
#4      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:119)

Serge

UPDATE - 28 April

The problem seems to have been resolved in Dart SDK version 1.3.3. My server has been running for 2 days without a hitch.

Serge

Can you update with the source code in question? I'd like to investigate this issue a bit closer. — Anders Johnsen, Apr 15 '14 at 17:20

score 1 · Accepted Answer · answered Apr 11 '14 at 00:45

1

Did you upgrade to Dart 1.3? The problem shall be caused by Issue 17468, and it was fixed in Dart 1.3.

For the issue of HttpException...Chunked, I don't have the experience of it. You have to check Dart API, or make a simple case to reproduce the issue.

answered Apr 11 '14 at 00:45

Tom Yeh

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Yes, upgraded to Dart 1.3 two days ago and so far no more crashes. I will wait a few days and then confirm that it fixed the issue. – NullPumpkinException Apr 12 '14 at 01:27
Server running Dart 1.3 just crashed with a similar error "OS Error: Connection reset by peer, errno = 104" – NullPumpkinException Apr 12 '14 at 07:10
Can you report to dartbug.com? It is a server issue. – Tom Yeh Apr 13 '14 at 05:38
OK. will try. I have a suspicion that chunk HTTP 1.0 error is caused by robots scanning site. I had previously disallowed access to some subdirectories. Now set robots.txt to disallow: [blank]. – NullPumpkinException Apr 14 '14 at 06:36
As described in [Issue 17468](https://code.google.com/p/dart/issues/detail?id=17468), it was fixed a few hours ago. Please give it a try, when it (r35071) is ready at [here](http://gsdview.appspot.com/dart-archive/channels/dev/raw/latest/) – Tom Yeh Apr 16 '14 at 00:58
Fixed with Dart SDK 1.3.3 (64 bit linux). Hooray! – NullPumpkinException Apr 28 '14 at 07:29

score 0 · Answer 2 · answered Apr 15 '14 at 19:03

The fix for issue 17468 contained a bug. Streams belongs to the zone where they are listened to, not created. I've fixed this mistake with r35071.

While this will not fix the 1.3 binary, it should be possible to check out the 1.3 source and apply this patch.

Rikulo-Stream crashes daily with -"SocketException: OS Error: Broken pipe, errno = 32"

2 Answers2