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Editorial Team
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Asked: 2026-06-03T20:58:33+00:00

Following is my jsp code. I’m new to JSP. I get the error shown

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Following is my jsp code. I’m new to JSP. I get the error shown after the code

<body>
<%!
    public ArrayList<ArrayList<Leg>> trip;
    public void routeManager(){
        Location stLoc = new Location(60.2040521,24.96185113,"1023");
        Location endLoc = new Location(60.17936316, 24.92282214 ,"1130");
        RouteRetriever hrr = new RouteRetriever();
        trip = hrr.getRoutes(stLoc, endLoc, false);
    }
%>
<%  routeManager();
    System.out.println("Im here AA");%>
<%= out.println("Hello World:"+hrr.size()) %>
<p>Booooooooooooo!</p>
</body>

Error:

An error occurred at line: 30 in the jsp file: /index.jsp
The method print(boolean) in the type JspWriter is not applicable for the arguments (void)
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1 Answer

  1. Editorial Team

    I think you should change 

    <%= out.println("Hello World:"+hrr.size()) %>

    to (just output)

    <%= "Hello World:"+trip.size() %>

    or if you want to use println (change <%= to <%):

    <% out.println("Hello World:"+hrr.size()); %>
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