无法访问网页中显示“502 Bad Gateway Microsoft-Azure-Application-Gateway/v2”的 Windchill 应用程序

• 无法访问 Windchill PDMLink
• 方法服务器日志显示“MethodServer 就绪”但 Windchill 应用程序未启动
• 方法服务器启动失败
• 网页显示错误
• 
• mod_jk.log 文件中的错误：

[error] service::jk_lb_worker.c (1685): All tomcat instances failed, no more workers left
[error] ajp_send_request::jk_ajp_common.c (1733): (tomcat1) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[error] ajp_service::jk_ajp_common.c (2817): (tomcat1) connecting to tomcat failed (rc=-3, errors=7, client_errors=0).
[error] service::jk_lb_worker.c (1685): All tomcat instances failed, no more workers left