[Koha-bugs] [Bug 6789] New: Biblios with many items can result in broken search results links

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6789

             Bug #: 6789
           Summary: Biblios with many items can result in broken search
                    results links
    Classification: Unclassified
 Change sponsored?: ---
           Product: Koha
           Version: rel_3_6
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P5
         Component: Z39.50 / SRU / OpenSearch Servers
        AssignedTo: gmcharlt at gmail.com
        ReportedBy: ian.walls at bywatersolutions.com
         QAContact: koha-bugs at lists.koha-community.org
            Blocks: 2453


If a title has enough item record information to push it's MARCXML record size
past 1MB, any information beyond that will be ignored.  The record will be
indexed, but the 999$c, which contains the biblionumber and is by its numerical
nature the last field in the record, could be lost, and thus the link in the
search results will be broken (no biblionumber filled in, so 404 error)

The solution, ideally, would be to fix Net::Z3950::ZOOM to allow for the
specification of a larger maximum record size, but that's impractical at this
time.  Koha can be altered to put all the 952 information AFTER the 999,
practically guaranteeing that the biblionumber will be in the first 1MB worth
of the MARCXML.  If a few items records are lost to the indexer, that's
unfortunate, but bearable.

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