NativeScript / NativeScript/nativescript-cli
Exception will throw if you open URL with delay
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backlog
bug
debug
os: android
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- Dominant language
- JavaScript
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Description
Tell us about the problem
exception will throw if you open URL with delay
Which platform(s) does your issue occur on?
Android
Please provide the following version numbers that your issue occurs with:
- CLI: 4.1.0-rc
- Runtime(s): 4.1.1-rc
Please tell us how to recreate the issue in as much detail as possible.
- tns create app
- tns debug android
Please don't open the URL. Open it after 10 min(for example). You will see the following exception:
System.err: java.io.IOException: Broken pipe
System.err: at android.net.LocalSocketImpl.write_native(Native Method)
System.err: at android.net.LocalSocketImpl.-wrap2(Unknown Source:0)
System.err: at android.net.LocalSocketImpl$SocketOutputStream.write(LocalSocketImpl.java:154)
System.err: at fi.iki.elonen.NanoWSD$WebSocketFrame.write(NanoWSD.java:700)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.sendFrame(NanoWSD.java:271)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.close(NanoWSD.java:135)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.handleCloseFrame(NanoWSD.java:184)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.handleWebsocketFrame(NanoWSD.java:218)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.readWebsocket(NanoWSD.java:246)
System.err: at fi.iki.elonen.NanoWSD$WebSocket.access$200(NanoWSD.java:65)
System.err: at fi.iki.elonen.NanoWSD$WebSocket$1.send(NanoWSD.java:88)
System.err: at fi.iki.elonen.NanoHTTPD$HTTPSession.execute(NanoHTTPD.java:1011)
System.err: at fi.iki.elonen.NanoHTTPD$LocalClientHandler.run(NanoHTTPD.java:251)
System.err: at java.lang.Thread.run(Thread.java:764)
another case to reproduce this exception is:
- tns create app
- tns debug android
- copy URL from terminal and open 2 tabs.
- close the second tab and you will see the exception.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue with tns create app and tns debug android, including the delayed URL and two-tab cases. Start from the NanoWSD.java and NanoHTTPD.java stack frames, then trace how the Android debug flow handles a closed or delayed connection. Done means these scenarios no longer produce the reported broken-pipe exception.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, java, javascript
- Domain
- cli, mobile-dev, networking
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100