It is 'changeit' mostt likelyġ) To create a new keystore and self-signed certificate with corresponding public/private keys: keytool -genkeypair -alias 'username' -keyalg RSA -validity 7 -keystore keystoreĢ) To Examine the keystore: keytool -list -v -keystore keystoreģ) Export and examine the self-signed certificate: keytool -export -alias 'username' -keystore keystore -rfc -file 'username'.cerĤ) Import the certificate into a new truststore: keytool -import -alias 'username' -file 'username'.cer -keystore truststoreĥ) Examine the truststore: keytool -list -v -keystore truststoreĦ) Add to keystore (this is what your looking for): sudo keytool -import -file 'username'.cer -alias 'username' -keystore 'path-to-keystore' To add the key to your cacerts file, as in step 6, the computer might ask you for a password that you don't know. There must be a truststore, keystore, and the certs have to be added. Here is a list of things you might need to be familiar with before working with a secure SSL program. The problem you're having is with the certificates. : Connection has been shutdown: : Received fatal alert: certificate_unknownĪt .(SSLSocketImpl.java:1172)Īt .(AppInputStream.java:65)Īt .MessageInput.readExactly(MessageInput.java:166)Īt .MessageInput.readMessage(MessageInput.java:78)Īt cc.(ClientWriterThread.java:241)Ĭaused by: : Received fatal alert: certificate_unknownĪt .(Alerts.java:174)Īt .(Alerts.java:136)Īt .(SSLSocketImpl.java:1586)Īt .(SSLSocketImpl.java:865)Īt .(SSLSocketImpl.java:1029)Īt .(SSLSocketImpl.java:621)Īt .(AppOutputStream.java:59)Īt java.io.OutputStream.write(OutputStream.java:58)Īt .Message.write(Message.java:267)Īt .MessageOutput.writeMessage(MessageOutput.java:53) But from yesterday it gives following error can anyone tell me the reason.

It works without any problem for a long time. I use SSL connection to connect web client to server.

Runemate sslhandlshakeexception