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Thread: "WARN - Unable to index", Error or intended behavior?

  1. #1
    Join Date
    Sep 2012
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    Default "WARN - Unable to index", Error or intended behavior?

    Here is probably a stupid question yet I have not found a definitive answer to it. My mailbox.log file is full of entries like below.

    At first glance it looks to me like some kind of armageddon/end of all humanity type error but on more careful consideration I am 'assuming' (I hope correctly) that it simply is not supposed to index certain headers/long text strings that would not be useful to have indexed and that the warning I am seeing is the intended and proper behavior of not indexing those headers.

    Is that in fact the case? Since it ends with "Re-index completed items=4170,failed=0", all is good despite the warnings?

    Just trying to understand it all.

    Code:
    2012-10-05 10:12:04,881 INFO  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Re-index progress 4000/4170
    2012-10-05 10:12:04,939 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=xnmfpgvl
    2012-10-05 10:12:05,492 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3x75puciuaawdidlfe
    2012-10-05 10:12:05,495 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:34b1puciuaiwhmhpji
    2012-10-05 10:12:05,498 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3bcjpuciualgz4z710
    2012-10-05 10:12:05,501 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:31sfpuciuaikejemgf
    2012-10-05 10:12:05,503 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:38mbpuciuakechcked
    2012-10-05 10:12:05,539 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3glppuciuals272a43
    2012-10-05 10:12:05,549 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3xrbpuciuao0qvqysr
    2012-10-05 10:12:05,553 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3d7bpuciuaj4zezhba
    2012-10-05 10:12:05,556 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3xb1puciuahapupxrq
    2012-10-05 10:12:05,564 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3dlppuciuabkqvqysr
    2012-10-05 10:12:05,567 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3obppuciuanwzezhba
    2012-10-05 10:12:05,570 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3iklpuciuaaschcked
    2012-10-05 10:12:05,573 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3jqlpuciuabeiniqkj
    2012-10-05 10:12:05,597 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3kqlpuciuabumrmuon
    2012-10-05 10:12:05,600 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3y45puciuabgpupxrq
    2012-10-05 10:12:05,603 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=p7f3haxcejc18
    2012-10-05 10:12:05,607 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=dz1u/mkgv5kvk
    2012-10-05 10:12:05,609 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3xo5puciuabmkpksml
    2012-10-05 10:12:05,674 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3xgdvuciualesxs0ut
    2012-10-05 10:12:05,677 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3vqtvuciuaborwrzts
    2012-10-05 10:12:05,680 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3haxvuciuahky3y60z
    2012-10-05 10:12:05,689 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-mailingid:16784448::mdepnoti
    2012-10-05 10:12:05,689 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=rwa/czy7
    2012-10-05 10:12:05,800 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=kzlnpc3b
    2012-10-05 10:12:05,822 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: list-unsubscribe:network.com/c
    2012-10-05 10:12:05,822 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-sendgrid-eid:rl4q6mtaordmnta
    2012-10-05 10:12:05,827 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=putqynjcupscp
    2012-10-05 10:12:05,854 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: subject:8?b?rg93bmxvywqgew91ci
    2012-10-05 10:12:05,892 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-mailingid:16787337::iseriesm
    2012-10-05 10:12:05,892 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=dyfvgux5
    2012-10-05 10:12:05,931 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: subject:ascii?b?qnv5ienozwfwie
    2012-10-05 10:12:06,015 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=putqynjcupscp
    2012-10-05 10:12:06,020 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=kzlnpc3b
    2012-10-05 10:12:06,059 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-sendgrid-eid:rl4q6mtaordmnta
    2012-10-05 10:12:06,059 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-sendgrid-id:gmipbvgfbocak+zh
    2012-10-05 10:12:06,059 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: list-unsubscribe:mailto:unsubs
    2012-10-05 10:12:06,083 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: list-unsubscribe:network.com/c
    2012-10-05 10:12:06,083 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-sendgrid-eid:rl4q6mtaordmnta
    2012-10-05 10:12:06,088 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3mx5uuciualarwrzts
    2012-10-05 10:12:06,103 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: return-path:3ur5uuciuam4lqltnm
    2012-10-05 10:12:06,189 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: x-bounce-tracking-info:twlsbgv
    2012-10-05 10:12:06,217 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=x4ebctleqwp03
    2012-10-05 10:12:06,548 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: dkim-signature:b=i8byirmca0kto
    2012-10-05 10:12:06,548 WARN  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Unable to index: domainkey-signature:b=oy58s6d5
    2012-10-05 10:12:06,814 INFO  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Batch complete processed=4170,failed=0,elapsed=53338 (78.18 items/sec)
    2012-10-05 10:12:06,815 INFO  [ReIndex-0] [name=somebody@somewhere.tld;mid=2;] index - Re-index completed items=4170,failed=0,elapsed=53549 (avg 12 ms/item, 83 items/sec)

  2. #2
    Join Date
    Sep 2012
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    Red face

    I was able to answer my own question with a little more searching. MySQL default 255 character indexing limit. All is well. Warnings are indeed just announcing intended behavior. I hadn't really noticed this until now but since I recently set up DKIM signing now EVERY sent message is receiving that warning due to the long DKIM-Signature. It did look kind of dire at first glance.

  3. #3
    Join Date
    Jan 2008
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    Default Not quite...

    Quote Originally Posted by temerarious View Post
    I was able to answer my own question with a little more searching. MySQL default 255 character indexing limit. All is well. Warnings are indeed just announcing intended behavior. I hadn't really noticed this until now but since I recently set up DKIM signing now EVERY sent message is receiving that warning due to the long DKIM-Signature. It did look kind of dire at first glance.
    It is a character limit, but it is not 255 and it is not MySQL. Mail is indexed in Lucene, and the limit is 100 characters. From the source:

    public final class FieldTokenStream extends TokenStream {
    private static final int MAX_TOKEN_LEN = 100;
    private static final int MAX_TOKEN_COUNT = 1000;

    [SNIP]

    private void add(String token) {
    if (token.length() <= MAX_TOKEN_LEN && tokens.size() < MAX_TOKEN_COUNT) {
    tokens.add(token);
    } else {
    ZimbraLog.index.warn("Unable to index: %.30s", token);
    }
    }

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