Benoit Tellier created JAMES-3931:
-------------------------------------

             Summary: Lucene indexes seems to be lost on reboot
                 Key: JAMES-3931
                 URL: https://issues.apache.org/jira/browse/JAMES-3931
             Project: James Server
          Issue Type: Bug
    Affects Versions: master, 3.8.0
            Reporter: Benoit Tellier


https://www.mail-archive.com/server-user@james.apache.org/msg16819.html

I reproduced the behaviour you mentionned on my side.

 - Start the demo image
 - append a few mails

List files. There is some Lucene files:

{code:java}
-rw-r--r-- 1 root root 3.1K Jul 20 02:10 _k.fdt
-rw-r--r-- 1 root root  308 Jul 20 02:10 _k.fdx
-rw-r--r-- 1 root root  871 Jul 20 02:10 _k.fnm
-rw-r--r-- 1 root root 6.1K Jul 20 02:10 _k.frq
-rw-r--r-- 1 root root 1.6K Jul 20 02:10 _k.nrm
-rw-r--r-- 1 root root 4.5K Jul 20 02:10 _k.prx
-rw-r--r-- 1 root root  145 Jul 20 02:10 _k.tii
-rw-r--r-- 1 root root 9.5K Jul 20 02:10 _k.tis
{code}

Do a search:

{code:java}
$ openssl s_client -host 127.0.0.1 -port 993
[...]
a0 LOGIN user02@james.local 1234
a0 OK LOGIN completed.
a1 SELECT Drafts
[...]
a3 SEARCH SEEN
* SEARCH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
* 1 FETCH (FLAGS (\Draft \Seen))
* 2 FETCH (FLAGS (\Draft \Seen))
* 3 FETCH (FLAGS (\Draft \Seen))
* 19 FETCH (FLAGS (\Draft \Seen))
a3 OK SEARCH completed.
{code}

 - Restart James

Then I noticed:

 - Lucene files disappeared
 - Search no longer yield results

{code:java}
$ openssl s_client -host 127.0.0.1 -port 993
[...]
a0 LOGIN user02@james.local 1234
a0 OK LOGIN completed.
a1 SELECT Drafts
[...]
a3 SEARCH SEEN
a3 OK SEARCH completed.
{code}


According to me, deletion of the Lucene files caused the alteration of the 
search results.

I do not understand yet what caused the files to disapear, and is looking for 
"why".



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