https://bugs.kde.org/show_bug.cgi?id=436675
Bug ID: 436675
Summary: File transfer from Windows to Android fails (it used
to work earlier) (it works from Android to Windows)
Product: kdeconnect
Version: unspecified
Platform: Android
OS: Android 10.x
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: albertv...@gmail.com
Reporter: bohah87...@httptuan.com
Target Milestone: ---
SUMMARY
At some point a few weeks (months?) ago, file transfers from Windows to Android
stopped working.
STEPS TO REPRODUCE
1. Right click on any file in Windows.
2. Click on "Send to remote device via KDE Connect"
3. Click on OK when the device selection dialogue appears.
OBSERVED RESULT
The file transfer progress dialogue appears, but it stays there indefinitely,
never showing any progress.
Meanwhile, on the Android phone, a zero byte file is created with the correct
name and extension, but nothing else happens for half a minute or so, after
which a notification appears stating "Failed receiving file from [pcname]".
EXPECTED RESULT
The file should transfer successfully, as it used to earlier.
SOFTWARE/OS VERSIONS
Windows: 7
Android: LineageOS 17.1
ADDITIONAL INFORMATION
Logcat for successful Android -> Windows transfer:
```
05-06 12:20:49.555 W/ActivityThread(10933): handleWindowVisibility: no activity
for token android.os.BinderProxy@e316003
05-06 12:20:50.765 W/SendFileActivity(10933): Unable to get file modification
time. Available columns were: [_display_name, _size, _data]
05-06 12:20:50.767 W/SendFileActivity(10933): Unable to read file last modified
time
05-06 12:20:50.831 I/KDE/LanLink(10933): Using port [port1]
05-06 12:20:51.204 I/KDE/LanLink(10933): Beginning to send payload
05-06 12:20:53.730 I/KDE/LanLink(10933): Finished sending payload ([x] bytes
written)
```
Logcat for failed Windows -> Android transfer:
```
05-06 12:22:00.098 I/KDE/LanLinkProvider(10933): Broadcast identity package
received from [pcname]
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): Cannot connect to /[ipaddress]
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): java.net.ConnectException:
failed to connect to /[ipaddress] (port [port1]) from /:: (port [port2]):
connect failed: ETIMEDOUT (Connection timed out)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.IoBridge.connect(IoBridge.java:143)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:142)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:390)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:230)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:212)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:436)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.Socket.connect(Socket.java:621)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.Socket.connect(Socket.java:570)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.Socket.<init>(Socket.java:450)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.net.Socket.<init>(Socket.java:250)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:285)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.udpPacketReceived(LanLinkProvider.java:131)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.lambda$setupUdpListener$4(LanLinkProvider.java:298)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLinkProvider.lambda$setupUdpListener$4$LanLinkProvider(Unknown
Source:0)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
org.kde.kdeconnect.Backends.LanBackend.-$$Lambda$LanLinkProvider$PTwWRcetgphRwizdRW_GUK-3Oak.run(Unknown
Source:2)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
java.lang.Thread.run(Thread.java:919)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): Caused by:
android.system.ErrnoException: connect failed: ETIMEDOUT (Connection timed out)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.Linux.connect(Native Method)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.ForwardingOs.connect(ForwardingOs.java:95)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.BlockGuardOs.connect(BlockGuardOs.java:136)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.ForwardingOs.connect(ForwardingOs.java:95)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.IoBridge.connectErrno(IoBridge.java:157)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): at
libcore.io.IoBridge.connect(IoBridge.java:135)
05-06 12:22:31.188 E/KDE/LanLinkProvider(10933): ... 15 more
05-06 12:22:31.188 W/KDE/LanLinkProvider(10933): Blacklisting /[ipaddress]
05-06 12:22:31.258 I/KDE/LanLinkProvider(10933): Identity package received from
a TCP connection from [pcname]
05-06 12:22:31.258 I/KDE/LanLinkProvider(10933): Starting SSL handshake with
[pcname] trusted:true
05-06 12:22:31.302 I/KDE/LanLinkProvider(10933): Handshake as client successful
with [pcname] secured with TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
05-06 12:22:31.302 I/KDE/LanLinkProvider(10933): Reusing same link for device
[deviceserialnumber]
05-06 12:22:33.854 E/KDE/LanLink(10933): Exception connecting to payload remote
socket
05-06 12:22:33.854 E/KDE/LanLink(10933): java.net.ConnectException: failed to
connect to /[ipaddress] (port [port3]) from /:: (port [port4]): connect failed:
ETIMEDOUT (Connection timed out)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.IoBridge.connect(IoBridge.java:143)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:142)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:390)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:230)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:212)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:436)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.Socket.connect(Socket.java:621)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.net.Socket.connect(Socket.java:570)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLink.receivedNetworkPacket(LanLink.java:238)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLink.lambda$reset$0(LanLink.java:97)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
org.kde.kdeconnect.Backends.LanBackend.LanLink.lambda$reset$0$LanLink(Unknown
Source:0)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
org.kde.kdeconnect.Backends.LanBackend.-$$Lambda$LanLink$u8LWlVA_uGoxlkxdXMbWulE13kY.run(Unknown
Source:4)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
java.lang.Thread.run(Thread.java:919)
05-06 12:22:33.854 E/KDE/LanLink(10933): Caused by:
android.system.ErrnoException: connect failed: ETIMEDOUT (Connection timed out)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.Linux.connect(Native Method)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.ForwardingOs.connect(ForwardingOs.java:95)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.BlockGuardOs.connect(BlockGuardOs.java:136)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.ForwardingOs.connect(ForwardingOs.java:95)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.IoBridge.connectErrno(IoBridge.java:157)
05-06 12:22:33.854 E/KDE/LanLink(10933): at
libcore.io.IoBridge.connect(IoBridge.java:135)
05-06 12:22:33.854 E/KDE/LanLink(10933): ... 12 more
05-06 12:22:33.862 I/LanLink (10933): Socket closed: 230732410. Reason: Socket
is closed
05-06 12:22:34.302 E/Shareplugin(10933): Error receiving file
05-06 12:22:34.302 E/Shareplugin(10933): java.lang.NullPointerException:
Attempt to invoke virtual method 'int java.io.InputStream.read(byte[])' on a
null object reference
05-06 12:22:34.302 E/Shareplugin(10933): at
org.kde.kdeconnect.Plugins.SharePlugin.CompositeReceiveFileJob.receiveFile(CompositeReceiveFileJob.java:278)
05-06 12:22:34.302 E/Shareplugin(10933): at
org.kde.kdeconnect.Plugins.SharePlugin.CompositeReceiveFileJob.run(CompositeReceiveFileJob.java:146)
05-06 12:22:34.302 E/Shareplugin(10933): at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)
05-06 12:22:34.302 E/Shareplugin(10933): at
java.util.concurrent.FutureTask.run(FutureTask.java:266)
05-06 12:22:34.302 E/Shareplugin(10933): at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
05-06 12:22:34.302 E/Shareplugin(10933): at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
05-06 12:22:34.302 E/Shareplugin(10933): at
java.lang.Thread.run(Thread.java:919)
```
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