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I have the below problem and need your suggesstion.
My application is deployed in Websphere with 3 JVM instance( 3 ports). I need to monitor the application in all 3 ports and if one goes down, i need to get alert.Goes down means, if the port is not accessible in any port or if the HTTP request (clickng hyperlink/button click) takes more time to reach other page via any port.
a) for checking the the application availabilty , i can check the http response status code 200. b) but if the request takes longer to get response, it is a problem. so, i need to know the response time for the http request made. Based on this, if it is greater than certain seconds, i can set alerts.
How to get this response time for any http request we make ? any api in java or any other ideas . Kindly share.