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servlet called multiple times

Hendra Kurniawan
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Posts: 239
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my FirstServlet class is mapped to url pattern "/" (without quotation mark), so when I tried to call from browser with url localhost/myapp, I notice the service method was invoked three times. why is this? the content of the service method is a one liner : System.out.println("invoked");
the jsp has nothing inside :

why is this?
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