Monitoring by External Systems

If you have a need to monitor the Composable Architecture Platform engine using an external monitoring service, you can include the following line of code in your application status page to determine if the Composable Architecture Platform engine is active:

software.tomorrow.server.Engine.isStarted()

For example: The following JSP construct will result in a page that outputs true or false, depending on whether the engine is started or not:

<html>
  <head>
    <title>Composable Architecture Platform Status</title>
  </head>
  <% // Make sure there is no caching response.setHeader("Pragma", "No-cache");
  response.setDateHeader("Expires", 0); response.setHeader("Cache-Control",
  "private"); response.setHeader("Cache-Control", "no-cache");
  response.setHeader("Cache-Control", "must-revalidate");
  response.setHeader("Expires", "Mon, 26 Jul 1997 00:00:00 GMT"); %>
  <body>
    Composable Architecture Platform is
    started:&nbsp;<%=software.tomorrow.server.Engine.isStarted()%>
  </body>
</html>

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