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From "Robert Burrell Donkin" <robertburrelldon...@gmail.com>
Subject Re: [imap] unit test failure under Java 1.4 / Win32 because of path length issues
Date Sat, 12 Jul 2008 18:50:27 GMT
On Sat, Jul 12, 2008 at 5:38 PM, Stefano Bagnara <apache@bago.org> wrote:
> Robert Burrell Donkin ha scritto:
>>
>> On Fri, Jul 11, 2008 at 6:43 PM, Stefano Bagnara <apache@bago.org> wrote:
>>>
>>> Stefano Bagnara ha scritto:
>>>>
>>>> Robert Burrell Donkin ha scritto:
>>>>>
>>>>> On 7/11/08, Stefano Bagnara <apache@bago.org> wrote:
>>>>>>
>>>>>> As I reported some weeks ago I found that many IMAP/SUBSCRIBER tests
>>>>>> was
>>>>>> failing in my environment when I used Java 1.4 while they passed
under
>>>>>> java 5+.
>>>>>>
>>>>>> I debugged this and found that the
>>>>>> FileUserMetaDataRepository.fileSystemSafeName when called with long
>>>>>> names (e.g:
>>>>>> org.apache.james.imapserver.processor.imap4rev1.SUBSCRIPTIONS)
>>>>>> resulted
>>>>>> in very long file names (e.g:
>>>>>>
>>>>>>
>>>>>> pgaashaahgaaocaabgaaqhaabgaadgaaigaafgaaocaakgaabgaangaafgaathaaocaajgaangaabgaaqhaathaafgaashaawhaafgaashaaocaaqhaashaapgaadgaafgaathaathaapgaashaaocaajgaangaabgaaqhaaudaashaafgaawhaardaaocaatfaavfaaceaatfaadeaasfaajeaaqfaaufaajeaapeaaoeaatfaa.ser
>>>>>> )
>>>>>>
>>>>>> Adding this code at the beginning of the method made the test pass:
>>>>>> -------------
>>>>>>        int dotPos = value.lastIndexOf(".");
>>>>>>        if (false && dotPos > 0) {
>>>>>>            value = value.substring(dotPos);
>>>>>>        }
>>>>>> ------------
>>>>>>
>>>>>> Of course this may not be appropriate (I don't know what keys are
used
>>>>>> there): Robert, have you any suggestion for this?
>>>>>
>>>>>  windows?
>>>>
>>>> Yes, Windows Vista Hope Premium x86/ITA
>>>
>>> I guess this could be the cause:
>>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4403166
>>>
>>> Windows NT + on NTFS does indeed support very long (255+) file names, but
>>> java 1.4 on windows does not.
>>
>> good hunting, sounds about right 8-)
>>
>>> Either we try to use shorter names or we write somewhere that under
>>> windows
>>> we don't support java 1.4.
>>
>> that particular implementation is a bit of a toy anyway, not something
>> i'd recommend using in production. feel free to note that IMAP
>> subscriptions for deeply nested directory structures are not supported
>> on windows when using Java1.4 and that particular user preference
>> backend. or just patch the code or the test.
>
> I don't know that code: can we simply use a shorter identifier instead of
> "org.apache.james.imapserver.processor.imap4rev1.SUBSCRIPTIONS" ? (e.g:
> "james.imap4r1.SUBSCRIPTIONS")

could do

- robert

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