Name: tb29552 Date: 08/25/2000


/*
stack over flow on loading class hemant$1$Readstring

*/
interface ReadIt
{
    String readString();
}
public class Hemant {
    ReadIt Write(final String s)
    {
        class ReadString implements ReadIt {
            private String label;
            private ReadString ()
            {
                label = s;
            }
            public String readString()
            {
                return label;
            }
        }
        return new ReadString ();
    }
    public static void main(String args[])
    {
        Hemant h = new Hemant ();
        ReadIt r = h.Write("hemant");
    }
}
//while i am wroking above problem i got an error while trying to pass an
//varible to a innerclass Readstring if i make its constructer private

% javac -J-showversion Hemant.java
java version "1.3.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0-b27)
Java HotSpot(TM) Client VM (build 1.3.0-b27, mixed mode)

An exception has occurred in the compiler (1.3.0). Please file a bug at the Java Developer Connection (http://java.sun.com/cgi-bin/bugreport.cgi). Include your program and the following diagnostic in your report. Thank you.
java.lang.InternalError: argument length mismatch: constructor ReadString()
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:925)
        at com.sun.tools.javac.v8.tree.Tree$Apply.visit(Tree.java:785)
        at com.sun.tools.javac.v8.comp.Gen.genExpr(Gen.java:418)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:873)
        at com.sun.tools.javac.v8.tree.Tree$Exec.visit(Tree.java:699)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:375)
        at com.sun.tools.javac.v8.comp.Gen.genStat(Gen.java:392)
        at com.sun.tools.javac.v8.comp.Gen.genStats(Gen.java:401)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:507)
        at com.sun.tools.javac.v8.tree.Tree$Block.visit(Tree.java:492)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:375)
        at com.sun.tools.javac.v8.comp.Gen.genStat(Gen.java:392)
        at com.sun.tools.javac.v8.comp.Gen.genMethod(Gen.java:477)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:452)
        at com.sun.tools.javac.v8.tree.Tree$MethodDef.visit(Tree.java:441)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:375)
        at com.sun.tools.javac.v8.comp.Gen.genClass(Gen.java:1366)
        at com.sun.tools.javac.v8.JavaCompiler.genCode(JavaCompiler.java:302)
        at com.sun.tools.javac.v8.JavaCompiler.compile(JavaCompiler.java:407)
        at com.sun.tools.javac.v8.Main.compile(Main.java:247)
        at com.sun.tools.javac.Main.main(Main.java:16)

(Review ID: 108930)
======================================================================

Name: tb29552 Date: 12/06/2000


/*
java version "1.2.1"
Classic VM (build JDK-1.2.1-A, native threads)

Attempt to compile this code will crash both the oldjavac and the gjc
compilers:

The workaround is to make the inner constructor protected or public.
*/
public class CompilerBug {

    public void get() {
        final int[] ia = new int[5];

        class Inner {
            private Inner () {
            } // An explicit constructor is required

            private void method() {
                int[] ia2 = new int[ia.length]; /* ia.length must not be
                                                 * literal and it must be
                                                 * declared in get()'s
                                                 * namespace
                                                 */
            }
        }; // End class Inner
        new Inner (); // the constructor must be explicitly called
    }
}
(Review ID: 113324)
======================================================================

Name: rmT116609 Date: 11/14/2001


java version "1.3.1"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1-b24)
Java HotSpot(TM) Client VM (build 1.3.1-b24, mixed mode)

java version "1.4.0-beta3"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta3-b84)
Java HotSpot(TM) Client VM (build 1.4.0-beta3-b84, mixed mode)

The problem is reproducible with JDK1.3.1, 1.3.1_01, 1.4.0-beta3

Got following exception from the compiler when compiling the testapp below:

java version "1.4.0-beta3"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta3-b84)
Java HotSpot(TM) Client VM (build 1.4.0-beta3-b84, mixed mode)
$% javac MethodClass.java
An exception has occurred in the compiler (1.4.0-beta3). Please file a bug at the Java Developer Connection (http://java.sun.com/cgi-bin/bugreport.cgi) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.InternalError: argument length mismatch: constructor Inner()
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:1159)
        at com.sun.tools.javac.v8.tree.Tree$Apply.visit(Tree.java:869)
        at com.sun.tools.javac.v8.comp.Gen.genExpr(Gen.java:596)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:1101)
        at com.sun.tools.javac.v8.tree.Tree$Exec.visit(Tree.java:765)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:436)
        at com.sun.tools.javac.v8.comp.Gen.genStat(Gen.java:473)
        at com.sun.tools.javac.v8.comp.Gen.genStat(Gen.java:457)
        at com.sun.tools.javac.v8.comp.Gen.genStats(Gen.java:508)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:699)
        at com.sun.tools.javac.v8.tree.Tree$Block.visit(Tree.java:539)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:436)
        at com.sun.tools.javac.v8.comp.Gen.genStat(Gen.java:473)
        at com.sun.tools.javac.v8.comp.Gen.genMethod(Gen.java:653)
        at com.sun.tools.javac.v8.comp.Gen._case(Gen.java:626)
        at com.sun.tools.javac.v8.tree.Tree$MethodDef.visit(Tree.java:474)
        at com.sun.tools.javac.v8.comp.Gen.genDef(Gen.java:436)
        at com.sun.tools.javac.v8.comp.Gen.genClass(Gen.java:1625)
        at com.sun.tools.javac.v8.JavaCompiler.genCode(JavaCompiler.java:324)
        at com.sun.tools.javac.v8.JavaCompiler.compile(JavaCompiler.java:425)
        at com.sun.tools.javac.v8.Main.compile(Main.java:526)
        at com.sun.tools.javac.Main.compile(Main.java:32)
        at com.sun.tools.javac.Main.main(Main.java:23)


/** Testapp for inner classes. */

public class MethodClass {

    private int m = (int)(Math.random() * 100);

    public static void main(String [] args) {
MethodClass mc = new MethodClass();
for (int i = 0; i < 5; i++) {
            mc.go((i + 1),((int)(Math.random() * 5)));
}
    }

    /**
     * Method with an inner class
     */
    public void go(int x, final int y) {

int a = x + y;
final int b = x - y;

class Inner {
private Inner() { //here the InternalError occures ;
}
public void method() {
System.out.println("MethodClass.m=" + m);
System.out.println("MetodClass.go().y=" + y);
System.out.println("MethodClass.go().b=" + b);

}
}
Inner that = new Inner();
that.method();

    }

}
(Review ID: 135660)
======================================================================