MID Servers Web Server Extension set to use a Certificate, may fail to start after upgrade to Paris (newer jetty version uses deprecated SSL package, breaking certificate chains)DescriptionMID Servers Web Server Extension set to use a Certificate, may fail to start after upgrade to Paris. An upgrade of the "jetty" version caused usage of a deprecated SSL package, which brakes usage of certificate chains on mid web server.Steps to Reproduce On a Paris InstanceCreate keystore with an entry containing a server certificate chain.Import that keystore to the <mid_installation directory>/keystore as webserver_keystore.jceksCreate mid web server using the above keystore to establish secure connection (provide password to keystore and entry inside it and alias if required).Start the extension.Observere the following error: Error: java.lang.IllegalStateException: KeyStores with multiple certificates are not supported on the base class org.eclipse.jetty.util.ssl.SslContextFactoryWorkaroundThis problem has been fixed. If you are able to upgrade, review the Fixed In or Intended Fix Version fields to determine whether any versions have a planned or permanent fix.Related Problem: PRB1442388