delete everything and use the automatic Debian installation script.

But as I'm on centos I'm not able to e.g. I've seen that there are already some issues in here with the same error. Jicofo.sh: at .XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1055) Jicofo.sh: at .XMPPTCPConnection.access$1200(XMPPTCPConnection.java:150) Jicofo.sh: at .XMPPTCPConnection.proceedTLSReceived(XMPPTCPConnection.java:798) Jicofo.sh: at .startHandshake(SSLSocketImpl.java:1387) Jicofo.sh: at .startHandshake(SSLSocketImpl.java:1403) Jicofo.sh: at .performInitialHandshake(SSLSocketImpl.java:1375) Jicofo.sh: at .readRecord(SSLSocketImpl.java:1062)

Jicofo.sh: at .process_record(Handshaker.java:914) Jicofo.sh: at .processLoop(Handshaker.java:979) Jicofo.sh: at .processMessage(ClientHandshaker.java:216) Jicofo.sh: at .serverCertificate(ClientHandshaker.java:1509) Jicofo.sh: at .fatalSE(Handshaker.java:296) Jicofo.sh: at .fatalSE(Handshaker.java:302) Jicofo.sh: at .fatal(SSLSocketImpl.java:1949) Jicofo.sh: at .getSSLException(Alerts.java:192) Jicofo.sh: Caused by: : : PKIX path building failed: .SunCertPathBuilderException: unable to find valid certification path to requested target Jicofo.sh: at .XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:998) Jicofo.sh: at .XMPPTCPConnection$PacketReader.access$300(XMPPTCPConnection.java:982) Jicofo.sh: at .XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1060) Jicofo.sh: : : : PKIX path building failed: .SunCertPathBuilderException: unable to find valid certification path to requested target Jicofo.sh: Jicofo 13:39:03.931 SEVERE: .().345 Failed to connect/login: : : PKIX path building failed: .SunCertPathBuilderException: unable to find valid certification path to requested target

Jitsi security issues