JDK-8075156 : (prefs) get*() and remove() should disallow the use of the null control character '\u0000' as key
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.util
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2015-03-13
  • Updated: 2017-05-17
  • Resolved: 2015-04-28
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JDK 9
9 b63Fixed
Related Reports
Relates :  
JDK-8068373 - (prefs) FileSystemPreferences writes \0 to XML storage, causing loss of all preferences
Sub Tasks
JDK-8164430 :  
Release Note: java.util.prefs.Preferences now disallows the use of any String containing the null control character - Closed
Description
Similar to put() in JDK-8068373, the get*() and remove() methods should not allow this invalid key. The various putX() methods should likewise be updated.
Comments
Suggested text for the release notes is as follows. "The specification of the class java.util.prefs.Preferences was modified to disallow the use of any String containing the null control character, code point U+0000, in any String used as the key or value parameter in any of the abstract put*(), get*(), and remove methods. If such a character is detected, an IllegalArgumentException shall be thrown." "The specification of the class java.util.prefs.AbstractPreferences was modified according to the corresponding change in its superclass java.util.prefs.Preferences to disallow the use of any String containing the null control character, code point U+0000, in any String used as the key or value parameter in any of the put*(), get*(), and remove() method implementations. These method implementations were modified to throw an IllegalArgumentException upon encountering such a character in a key or value String in these contexts. Also, the class specification was modified to correct the erroneous reference to the flush() and sync() methods as returning a boolean value when they are in fact void."
28-04-2015
Review threads: Initial: http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-March/032509.html Suite: http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-April/032709.html
15-04-2015
Review thread: http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-March/032509.html
24-03-2015
A CCC request will be in order for the requisite update of the remove() specification.
23-03-2015