Prof Hwang
Error in XML source code,, still now im not sure it because i'm use EJS 4.3.0 or it happen because have wrong in XML
However i close [b]Events[/b] in evolution page so EJS console give one error before i close this page ejs console give 8 error.


[quote]
symbol  : variable initregion
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        if(initregion[i]){  // > Evolution:Evol Page:Event.Zero Condition:2
            ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:504: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        xl=Math.sqrt((x2-x[id])*(x2-x[id])+y2*y2);  // > Evolution:Evol Page:Event.Zero Condition:4
        ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:505: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        vx[id]=v2*(x2-x[id])/xl;  // > Evolution:Evol Page:Event.Zero Condition:5
                            ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:506: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        vy[id]=v2*y2/xl;    // > Evolution:Evol Page:Event.Zero Condition:6
                    ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:530: cannot find symbol
symbol  : variable initregion
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        initregion[id]=false;  // > Evolution:Evol Page:Event.Action:1
        ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:531: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        xl=Math.sqrt((x2-x[id])*(x2-x[id])+y2*y2);  // > Evolution:Evol Page:Event.Action:2
        ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:532: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        vx[id]=v2*(x2-x[id])/xl;  // > Evolution:Evol Page:Event.Action:3
                            ^
D:\EJS_4.3.0\workspace\output\users\br\ahmed\fastestpath_pkg\fastestpath.java:533: cannot find symbol
symbol  : variable xl
location: class users.br.ahmed.fastestpath_pkg.fastestpath._ODE_evolution1._ODE_evolution1_Event1
        vy[id]=v2*y2/xl;  // > Evolution:Evol Page:Event.Action:4
                    ^
8 errors
Compilation produced an error![/quote]