Starting server for the first time on Raspberry Pi throws java.io.IOException error

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(13-12-2020 09:29)simoncn Wrote:  Many thanks for your help with debugging this problem.

Always glad to help.

(13-12-2020 09:29)simoncn Wrote:  Please also try both of these with the VPN client enabled:

ip a
ifconfig

There you go:

Code:

> ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether dc:a6:32:e5:d0:a2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.61/24 brd 192.168.1.255 scope global dynamic noprefixroute eth0
       valid_lft 84731sec preferred_lft 73931sec
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether dc:a6:32:e5:d0:a3 brd ff:ff:ff:ff:ff:ff
7: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 100
    link/none
    inet 10.8.3.6/24 brd 10.8.3.255 scope global tun0
       valid_lft forever preferred_lft forever

> ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.61  netmask 255.255.255.0  broadcast 192.168.1.255
        ether dc:a6:32:e5:d0:a2  txqueuelen 1000  (Ethernet)
        RX packets 61352011  bytes 1356064491 (1.2 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 45671045  bytes 2364367196 (2.2 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 921100  bytes 182276573 (173.8 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 921100  bytes 182276573 (173.8 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>  mtu 1500
        inet 10.8.3.6  netmask 255.255.255.0  destination 10.8.3.6
        unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 100  (UNSPEC)
        RX packets 1713  bytes 210517 (205.5 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2117  bytes 351572 (343.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

(13-12-2020 09:29)simoncn Wrote:  Which VPN client is it?

NordVPN