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Name: rmT116609 Date: 08/07/2003
FULL PRODUCT VERSION :
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode)
FULL OS VERSION :
Microsoft Windows XP version 5.1.2600
A DESCRIPTION OF THE PROBLEM :
J2SE 1.4.2's javac will not compile classes that have doubly-nested inner subclasses, such as the following test case:
class InnerClassBugTestCase
{
private class InnerSuperclass extends InnerClassBugTestCase
{
}
private class InnerSubclass extends InnerSuperclass
{
}
}
The error message provided is:
InnerClassBugTestCase.java:7: cannot reference this before supertype constructor has been called
private class InnerSubclass extends InnerSuperclass
J2SE 1.4.2-beta and J2SE 1.4.1_03's version of javac compiles the class without errors or warnings.
REGRESSION. Last worked in version mantis-beta
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Create a text containing the following Java code:
class InnerClassBugTestCase
{
private class InnerSuperclass extends InnerClassBugTestCase
{
}
private class InnerSubclass extends InnerSuperclass
{
}
}
Save the file as InnerClassBugTestCase.java.
Attempt to compile InnerClassBugTestCase.java using J2SE 1.4.2's javac compiler: javac InnerClassBugTestCase.java
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
javac would compile the class into InnerClassBugTestCase.class.
ACTUAL -
javac did not compile the class, providing an error message that does not seem to apply.
ERROR MESSAGES/STACK TRACES THAT OCCUR :
InnerClassBugTestCase.java:7: cannot reference this before supertype constructor has been called
private class InnerSubclass extends InnerSuperclass
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
class InnerClassBugTestCase
{
private class InnerSuperclass extends InnerClassBugTestCase
{
}
private class InnerSubclass extends InnerSuperclass
{
}
}
---------- END SOURCE ----------
Release Regression From : mantis-beta
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.
(Incident Review ID: 189935)
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