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Thread: Error while compile

  1. #1
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    Question Error while compile

    Hello All

    i have a Jar file , i extract it and got the class files

    so i tried to edit one of these class files , using " DJ Java Decompiler " and " Javac command "

    but i get an error

    bp.java:45: q(java.lang.String) is already defined in a.bp
        public static boolean q(String s)
                              ^
    bp.java:54: cannot find symbol
    symbol  : class cL
    location: class a.bp
        public static cL q(boolean flag, boolean flag1, boolean flag2, boolean flag3, int i, int j, int k)
                      ^
    bp.java:56: cannot find symbol
    symbol  : class cL
    location: class a.bp
            cL cl;
            ^
    bp.java:57: cannot find symbol
    symbol  : class cL
    location: class a.bp
            (cl = new cL(0x401050, 1)).w = -1;
                      ^
    bp.java:60: cannot find symbol
    symbol  : variable a
    location: class a.bp
            if(a.q())
               ^
    bp.java:66: incompatible types
    found   : int
    required: boolean
            flag = i << 16 | j;
                           ^
    bp.java:72: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String q = cy.q("onlina");
                                  ^
    bp.java:73: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String w = cy.q("busy");
                                  ^
    bp.java:74: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String e = cy.q("be right back");
                                  ^
    bp.java:75: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String r = cy.q("away");
                                  ^
    bp.java:76: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String t = cy.q("in a call");
                                  ^
    bp.java:77: cannot find symbol
    symbol  : variable cy
    location: class a.bp
        private static String y = cy.q("out to lunch");
                                  ^
    bp.java:81: cannot find symbol
    symbol  : variable cy
    location: class a.bp
            cy.q("Visible");
            ^
    bp.java:82: cannot find symbol
    symbol  : variable cy
    location: class a.bp
            cy.q("Invisible");
            ^
    bp.java:83: cannot find symbol
    symbol  : variable cy
    location: class a.bp
            cy.q("Ghost");
            ^
    15 errors

    and this is the code of class file

     
    // Decompiled by DJ v3.10.10.93 Copyright 2007 Atanas Neshkov  Date: 1/7/2012 6:18:57 AM
    // Home Page: http://members.fortunecity.com/neshkov/dj.html  http://www.neshkov.com/dj.html - Check often for new version!
    // Decompiler options: packimports(3) 
     
    package a;
     
     
    // Referenced classes of package a:
    //            a, cL, cy
     
    public final class bp
    {
     
        public bp()
        {
        }
     
        public static String[] q()
        {
            String as[];
            (as = new String[6])[0] = q;
            as[1] = w;
            as[2] = e;
            as[3] = r;
            as[4] = t;
            as[5] = y;
            return as;
        }
     
        public static int q(String s)
        {
            if(s.equals(q))
                return 1;
            if(s.equals(w))
                return 2;
            if(s.equals(e))
                return 3;
            if(s.equals(r))
                return 4;
            if(s.equals(t))
                return 5;
            return !s.equals(y) ? 0 : 6;
        }
     
        public static boolean q(String s)
        {
            for(int i = 0; i < 6; i++)
                if(s.equalsIgnoreCase(q()[i]))
                    return true;
     
            return false;
        }
     
        public static cL q(boolean flag, boolean flag1, boolean flag2, boolean flag3, int i, int j, int k)
        {
            cL cl;
            (cl = new cL(0x401050, 1)).w = -1;
            cl.q = -1;
            cl.q(0, 0, flag);
            if(a.q())
            {
                cl.q(0, 1, flag1);
                cl.q(0, 2, flag2);
                cl.q(0, 3, flag3);
            }
            flag = i << 16 | j;
            cl.q(0, 0, flag);
            cl.q(0, 1, k);
            return cl;
        }
     
        private static String q = cy.q("onlina");
        private static String w = cy.q("busy");
        private static String e = cy.q("be right back");
        private static String r = cy.q("away");
        private static String t = cy.q("in a call");
        private static String y = cy.q("out to lunch");
     
        static 
        {
            cy.q("Visible");
            cy.q("Invisible");
            cy.q("Ghost");
        }
    }


    any help

    * sorry if my English is bad


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Error while compile

    I guess the decompiler did not do a good job. You will have to spend more time with the source to create a good version.
    Can you contact the author of the program and get a clean copy of the source from him?

  3. #3
    Java kindergarten chronoz13's Avatar
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    Default Re: Error while compile

    i would like to add, i think what he means with clean is readability, naming conventions
    its hard to understand most of the codes, its hard to tell which is class which are variables, its even hard to determine what those methods are for.

  4. #4
    Super Moderator copeg's Avatar
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    Default Re: Error while compile

    It appears you are trying to reverse engineer an application - I would highly discourage this behavior, and - while I do not know the license of the software - given it appears to be obfuscated would be confident in my guess that it was not meant to be decompiled, and that you are violating the license of that software. Unless you convince me otherwise, I will lock this thread.

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