org.apache.sshd.common.io.IoAcceptor.getManagedSessions()' on a null object reference

[forenbuddy]

When trying to start the sftp service in prim-ftpd in logcat I get:

03-03 11:02:59.533  1049  4139 W ActivityManager: Bringing down service while still waiting for start foreground: ServiceRecord{d67bcb8 u0 org.primftpd/.services.SshServerService}
03-03 11:02:59.533  1049  1085 I ActivityManager: serviceForegroundCrash to crash app : ProcessRecord{24ecce0 14756:org.primftpd/u0a13} because of ServiceRecord{d67bcb8 u0 org.primftpd/.services.SshServerService}
03-03 11:02:59.536 14756 17781 E AndroidRuntime: FATAL EXCEPTION: ServiceStartArguments
03-03 11:02:59.536 14756 17781 E AndroidRuntime: Process: org.primftpd, PID: 14756
03-03 11:02:59.536 14756 17781 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Map org.apache.sshd.common.io.IoAcceptor.getManagedSessions()' on a null object reference
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at org.apache.sshd.SshServer.getActiveSessions(SshServer.java:343)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at org.primftpd.services.SshServerService.stopServer(SshServerService.java:98)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at org.primftpd.services.ServerServiceHandler.handleStop(ServerServiceHandler.java:109)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at org.primftpd.services.ServerServiceHandler.handleMessage(ServerServiceHandler.java:61)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at android.os.Handler.dispatchMessage(Handler.java:106)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at android.os.Looper.loopOnce(Looper.java:201)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at android.os.Looper.loop(Looper.java:288)
03-03 11:02:59.536 14756 17781 E AndroidRuntime: 	at android.os.HandlerThread.run(HandlerThread.java:67)

My device is Lenovo TB328XU

versionName=7.3

Installed from F-Droid

[wolpi]

Strange.
Does not happen on other devices.
By stacktrace it seems like this could be avoided easily with some if/else check, will be added.