JDK-6365176 : java.math.BigInteger.ZERO.multiply(null)
- Type: Bug
- Component: core-libs
- Sub-Component: java.math
- Affected Version: 5.0
- Priority: P4
- Status: Closed
- Resolution: Fixed
- OS: linux
- CPU: x86
- Submitted: 2005-12-19
- Updated: 2017-05-16
- Resolved: 2011-05-18
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 6 | JDK 7 | Other |
|---|---|---|
6u14Fixed  |
7 b03Fixed |
OpenJDK6Resolved |
Description
FULL PRODUCT VERSION :
java version "1.5.0_05"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_05-b05)
Java HotSpot(TM) Client VM (build 1.5.0_05-b05, mixed mode, sharing)
ADDITIONAL OS VERSION INFORMATION :
Linux em-09.fitc.org.ar 2.6.11-6mdk #1 Tue Mar 22 16:04:32 CET 2005 i686 Intel(R) Pentium(R) 4 CPU 2.26GHz unknown GNU/Linux
A DESCRIPTION OF THE PROBLEM :
The specification says that "all methods in this class [java.math.BigInteger] throw NullPointerException when passed a null object reference for any input parameter", but BigInteger.ZERO.multiply(null) returns 0.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
execute the sample program
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
NullPointerException to be throw
ACTUAL -
return BigInteger.ZERO
ERROR MESSAGES/STACK TRACES THAT OCCUR :
... the problem is there is no error message (but there should be)
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
public class ZeroByNull{
public static void main (String[] args){
System.out.println(java.math.BigInteger.ZERO.multiply(null));
}
}
---------- END SOURCE ----------
Comments
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