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Since HPI executes as a JavaScript application in the browser and communicates with OpenContent on the server, you must account for the Same-Origin Policy. There are two ways to handle this:

1. Deploy hpi.war to the same Application Server that's running OpenContent. This ensures that HPI is sourced from the same server and port as OpenContent. Note - for this to work, the application server port must be accessible to the end user's browser.
2. Front all communication from HPI to OpenContent through a web server. For example, if HPI runs on server1 on port 9090 and OpenContent runs on server2 port 8080 (could be the same server or different server), you must make both HPI and OpenContent accessible from a single host and port. So:

• server1 has an Apache server installed that:
  • Proxies requests to server1/hpi to server1:9090/hpi
  • Proxies requests to server1/OpenContenet to server2:8080/OpenContent
• http://server1:9090/hpi is accessible by http://server1/hpi
• http://server2:8080/OpenContent is accessible by http://server1/OpenContent