When the SSL port is used to monitor the Apache server, the server goes down. What could be the reason?

When the SSL port is used to monitor the Apache server, the server goes down. What could be the reason?

Look for the following errors in the logs:

javax.net.ssl.SSLProtocolException: handshake alert:  unrecognized_name 

[02 Dec 2016 17:40:07:204] SYS_ERR: at sun.security.ssl.ClientHandshaker.handshakeAlert(Unknown Source)

[02 Dec 2016 17:40:07:204] SYS_ERR: at sun.security.ssl.SSLSocketImpl.recvAlert(Unknown Source)

[02 Dec 2016 17:40:07:204] SYS_ERR: at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)

[02 Dec 2016 17:40:07:204] SYS_ERR: at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)

[02 Dec 2016 17:40:07:204] SYS_ERR: at sun.security.ssl.SSLSocketImpl.writeRecord(Unknown Source)

If it’s present then enable the system property "-Djsse.enableSNIExtension=false" in  wrapper.conf Or StartApplicationsManager.bat/sh

                  New to ADManager Plus?

                    New to ADSelfService Plus?

                      • Related Articles

                      • How to monitor SSL Certificate of FTPS server?

                        Two modes to invoke client security in FTPS Explicit mode Implicit mode Explicit mode (Default port 21) - This port shouldn't be used In Explicit mode, an FTPS client must "explicitly request" security from an FTPS server by sending an FTP command ...
                      • UDP Port Monitor - Troubleshooting

                        How do we monitor UDP Port? UDP is a connectionless protocol which doesn't send any acknowledgement on connecting to the UDP port like TCP. When UDP port is not open system will send ICMP port unreachable message. The Issue is when the UDP port is ...
                      • Troubleshooting - Apache Solr

                        If the Solr monitor can't be added, then do the following:- Ask the customer to verify whether he can access the particular Solr instance from the machine where he tries to add. Also ask the customer to access the following URLs from the machine, ...
                      • Troubleshooting URL Monitor

                        Here are few of the common errors you may come across in URL monitor, we have mentioned the steps you can follow to troubleshoot them. General troubleshooting for URL monitor Ensure that the URL is accessible from the server in which Applications ...
                      • Self monitor Applications Manager using Real User Monitoring

                        We can monitor the Applications Manager using Real User Monitoring with a Java Script injection and this can be used to measure the Applications Manager's performance continuously. All you need is to install and setup the Real User Monitoring (RUM) ...