2918364 - HTTP 404 accessing GetServerInfo after Live Data Connect webapp deployment

This KBA relates to the legacy version LUC 2.x only. It is heavily recommended to upgrade to LUC 3.x for Full Support and for a much simpler deployment process.

• The following error is seen when accessing https://<HOST>:<PORT>/sap/boc/ina/GetServerInfo after deploying the SAP Analytics Cloud (SAC) Live Data Connect (LDC) web application on tomcat:
  HTTP Status 404 – Not Found
  Type Status Report
  Message /sap/boc/ina/GetServerInfo
  Description The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.
  
  
• If deploying the web application through the Tomcat manager app, the below message may be seen:
  FAIL - Deployed application at context path [/sap/boc/ina] but context failed to start
  
  
• In the tomcat stderr.log (Available at tomcatdir/logs), the following error is seen:
  

  Apr 23, 2020 1:55:49 PM org.apache.catalina.core.StandardContext startInternal
  SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
  Apr 23, 2020 1:55:49 PM org.apache.catalina.core.StandardContext startInternal
  SEVERE: Context [/sap/boc/ina] startup failed due to previous errors

• In the localhost.<DATE>.log, the following error is seen:
  

  08-Apr-2020 12:47:05.828 SEVERE [https-jsse-nio-8444-exec-2] org.apache.catalina.core.StandardContext.filterStart Exception starting filter [CorsFilter]
  javax.servlet.ServletException: It is not allowed to configure supportsCredentials=[true] when allowedOrigins=[*]
  at org.apache.catalina.filters.CorsFilter.parseAndStore(CorsFilter.java:729)
  at org.apache.catalina.filters.CorsFilter.init(CorsFilter.java:183)

• SAP Analytics Cloud
• Live Data Connect (LDC) / Live Universe Connector (LUC) 2.x

1. Deploy LUC on Tomcat following the documentation
2. Observe the application is not accessible at https://<HOST>:<PORT>/sap/boc/ina/GetServerInfo 

The CorsFilter has not been configured correctly.

1. Navigate to TOMCATDIR\webapps\sap#boc#ina\WEB-INF
2. Open web.xml 
3. Search for:
   

   <init-param>
   <description>A comma separated list of allowed origins. Note: An '*' cannot be used for an allowed origin when using credentials.</description>
   <param-name>cors.allowed.origins</param-name>
   <param-value>*</param-value>
   </init-param>

4. Configure it as below:
   <init-param>
   <description>A comma separated list of allowed origins. Note: An '*' cannot be used for an allowed origin when using credentials.</description>
   <param-name>cors.allowed.origins</param-name>
   <param-value>https://example.SAC.tenant.com</param-value>
   </init-param>
   
   Note: Ensure there is no trailing backslash after the URL
   
   
5. Restart Tomcat, or start the webapp again through the Tomcat manager application

• 2569847 - Where can you find SAC user assistance (help) to use, configure, and operate it more effectively?
• Have a question? Ask it here and let our amazing SAP community help! Or reply and share your knowledge!
• 2487011 - What information do I need to provide when opening an case for SAP Analytics Cloud?
• SAP Analytics Cloud > Learning > Guided Playlists
• SAP Analytics Cloud > Learning > Guided Playlists > Getting Support
• Need More Help? Contact Support or visit the solution finder today!

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