JDK-8154050 : java.time.format.DateTimeFormatter can't parse localized zone-offset
- Type: Bug
- Component: core-libs
- Sub-Component: java.time
- Affected Version: 8,9
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2016-04-08
- Updated: 2016-04-28
- Resolved: 2016-04-21
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Resolved: Release in which this issue/RFE has been resolved.
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| JDK 9 |
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9 b116Fixed  |
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Relates :
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Description
FULL PRODUCT VERSION :
java version "1.8.0_77"
Java(TM) SE Runtime Environment (build 1.8.0_77-b03)
Java HotSpot(TM) 64-Bit Server VM (build 25.77-b03, mixed mode)
ADDITIONAL OS VERSION INFORMATION :
Mac OS 10.11.1
A DESCRIPTION OF THE PROBLEM :
The DateTimeFormatter fails to parse its own output for format strings containing "O". The following code throws a StringIndexOutOfBoundsException on the final line.
import java.time.ZoneOffset
import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter
DateTimeFormatter formatter = DateTimeFormatter
.ofPattern("yyyy-MM-dd'T'HH:mm:ss.S O")
.withLocale(Locale.ENGLISH)
String date = formatter.format(ZonedDateTime.now(ZoneOffset.UTC));
formatter.parse(date)
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
import java.time.ZoneOffset
import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter
DateTimeFormatter formatter = DateTimeFormatter
.ofPattern("yyyy-MM-dd'T'HH:mm:ss.S O")
.withLocale(Locale.ENGLISH)
String date = formatter.format(ZonedDateTime.now(ZoneOffset.UTC));
formatter.parse(date)
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Successful parse
ACTUAL -
StringIndexOutOfBoundsException
ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.time.format.DateTimeParseException: Text '2016-04-08T10:49:52.7 GMT' could not be parsed: String index out of range: 25
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
import java.time.ZoneOffset
import java.time.ZonedDateTime
import java.time.format.DateTimeFormatter
DateTimeFormatter formatter = DateTimeFormatter
.ofPattern("yyyy-MM-dd'T'HH:mm:ss.S O")
.withLocale(Locale.ENGLISH)
String date = formatter.format(ZonedDateTime.now(ZoneOffset.UTC));
formatter.parse(date)
---------- END SOURCE ----------
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