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Article - CS265097

Error "This page cannot be displayed" is received when accessing about/versioninfo API in ThingWorx Analytics Server 8.0

Modified: 13-Feb-2018   


Applies To

  • ThingWorx Analytics 8.0

Description

  • ThingWorx Analytics installation on Linux failed
  • Error Unable to Connect or This page cannot be displayed is displayed in the browser when accessing http://server:port/analytics/1.0/about/versioninfo
  • Error accessing Postgres connection when using Docker to install ThingWorx Analytics Server
  • The page cannot be displayed when accessing ThingWorx Analytics Server
  • Following error is documented in the log:
Error accessing postgres connection:  dial tcp xxxx:zzzz: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
 
 
    • sudo docker logs analytics reports
    Waiting for connection to PostgreSQL...
    psql: could not connect to server: No route to host
    is the server running on host XXXX and accepting TCP/IP connections on port ZZZZ
    Or
    could not connect to server: Cannot assign requested address
    Is the server running on host XXXX and accepting TCP/IP connections on port ZZZZ
    • ​org.hibernate.exception.JDBCConnectionException: Could not open connection error after installing ThingWorx Analytics
      • ​The connection between Builder and Server is established in Set page(in ThingWorx Analytics Extension - Analytics Builder UI)
      • But when redirect to Data page, the JDBCConnectionException error comes out
    • Following error is received when accessing the DATA tab in ThingWorx Analytics Builder
    Error invoking service: Wrapped org.apache.http.NoHttpResponseException: XXXX:YYYY failed to respond Cause: XXXX:YYYY failed to respond
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