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[bugs #9495] GregorianCalendar.getTimeInMillis() fails with large millis
From: |
Stephen Crawley |
Subject: |
[bugs #9495] GregorianCalendar.getTimeInMillis() fails with large millisecond values |
Date: |
Tue, 29 Jun 2004 10:52:40 -0400 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225 |
This mail is an automated notification from the bugs tracker
of the project: classpath.
/**************************************************************************/
[bugs #9495] Full Item Snapshot:
URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=9495>
Project: classpath
Submitted by: Stephen Crawley
On: Tue 06/29/2004 at 14:50
Severity: 5 - Average
Resolution: None
Assigned to: None
Status: Open
Platform Version: None
Summary: GregorianCalendar.getTimeInMillis() fails with large millisecond
values
Original Submission: getTimeInMillis() converts large (magnitude) values to
year/month/day incorrectly. Typically, it miscalculates
the month as negative and throws IllegalArgumentException.
For example:
FAIL: gnu.testlet.java.util.GregorianCalendar.conversion: uncaught exception at
"Testing setTimeInMillis(281474976710656) i = 48" number 3
java.lang.IllegalArgumentException: month out of range
at java.util.SimpleTimeZone.getOffset (SimpleTimeZone.java:684)
at java.util.GregorianCalendar.computeFields (GregorianCalendar.java:610)
at java.util.Calendar.setTimeInMillis (Calendar.java:541)
at gnu.testlet.java.util.GregorianCalendar.conversion.testMonotonic1
(conversion.java:79)
at gnu.testlet.java.util.GregorianCalendar.conversion.test
(conversion.java:41)
at gnu.testlet.SimpleTestHarness.runtest (SimpleTestHarness.java:254)
at gnu.testlet.SimpleTestHarness.main (SimpleTestHarness.java:364)
The problem is that GregorianCalendar is doing some key
conversion calculations using 'int' instead of 'long', and
intermediate values are overflowing.
For detailed info, follow this link:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=9495>
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