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技术文章 - CS292339

即使方法服务器已准备就绪，用户也无法访问 Windchill PDMLink

已修改: 12-Aug-2025   


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适用于

  • FlexPLM 11.0 to 12.0.3.0
  • Windchill PDMLink 11.0 to 13.0

说明

  • 即使方法服务器已准备就绪，用户也无法访问 Windchill PDMLink
  • 重新托管后，即使方法服务器已准备就绪，用户也无法访问 Windchill
  • 配置为群集后，即使方法服务器已准备就绪，用户也无法访问 Windchill
  • 尝试访问时返回以下错误： 
     HTTP Error: 503 Service Unavailable at client side
  • 访问 Windchill 返回以下错误： 
     The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
  • 测试 URL http://<hostname>/Windchill/wtcore/test/dynAnon.jsp无法访问
  • <Apache>/logs/mod_jk.log文件中抛出了以下错误：
 [error] service::jk_lb_worker.c (1675): All tomcat instances failed, no more workers left
[date/time] [26611:140440799803136] [error] service::jk_lb_worker.c (1675): All tomcat instances failed, no more workers left
[date/time] [20136:140379259946752] [error] ajp_send_request::jk_ajp_common.c (1737): (tomcat1) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[date/time] [20136:140379259946752] [error] ajp_service::jk_ajp_common.c (2821): (tomcat1) connecting to tomcat failed (rc=-3, errors=1, client_errors=0).
[date/time] [20136:140379259946752] [error] ajp_send_request::jk_ajp_common.c (1737): (tomcat2) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[date/time] [20136:140379259946752] [error] ajp_service::jk_ajp_common.c (2821): (tomcat2) connecting to tomcat failed (rc=-3, errors=1, client_errors=0).
[date/time] [20136:140379259946752] [error] ajp_send_request::jk_ajp_common.c (1737): (tomcat3) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[date/time] [20136:140379259946752] [error] ajp_service::jk_ajp_common.c (2821): (tomcat3) connecting to tomcat failed (rc=-3, errors=1, client_errors=0).
[date/time] [20136:140379259946752] [error] ajp_send_request::jk_ajp_common.c (1737): (tomcat4) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[date/time] [20136:140379259946752] [error] ajp_service::jk_ajp_common.c (2821): (tomcat4) connecting to tomcat failed (rc=-3, errors=1, client_errors=0).
[date/time] [20136:140379259946752] [error] ajp_send_request::jk_ajp_common.c (1737): (tomcat5) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)
[date/time] [20136:140379259946752] [error] ajp_service::jk_ajp_common.c (2821): (tomcat5) connecting to tomcat failed (rc=-3, errors=1, client_errors=0).

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