SAP Knowledge Base Article - Preview

3192730 - CMC and BI Launchpad fail with ERR_CONNECTION_REFUSED after upgrade

Symptom

After upgrading SAP BI platform from 4.2 SP3 to higher patch (SP09 patch 7), 

  • On chrome browser, both CMC and BI Launchpad fail to run in chrome with error ERR_CONNECTION_REFUSED
  • ERROR:  This site can't be reached. site refused to connect. 
    Try: checking the connection or checking the proxy and the firewall
    ERR_CONNECTION_REFUSED
  • The same error is seen when using HTTP or HTTPS URL
  • On IE 11, a similar error is seen
  • Apache Tomcat server was configured with SSL before the upgrade  
  • Even tomcat home page gives same behavior [http://localhost:port]


Read more...

Environment

SAP BI Platform 4.x (4.2 or 4.3)
Any supported operating system
Apache Tomcat 9 [Possible on any supported web application server] 
HTTP/SSL Enabled

Keywords

ERR_CONNECTION_REFUSED BI 4.2 4.3 4.x SSL Apache Tomcat http https launchpad CMC update install patch upgrade , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.