CAIQUM-3367：監査リモートロギングを有効にしたあとにAIQUM GUIにログインできない

問題

Unable to access to AIQUM GUI via local or remote user after enabling Audit Syslog Remote Settings
Sign in never finished after the credentials entered on the sign-in page
server.log shows Null Pointer Exception during login
ERROR [io.undertow.request] (default task-1011) UT005023: Exception handling request to /login: java.lang.NullPointerException