Hi Monica
Please see: https://jira.duraspace.org/browse/DS-1619 and
https://jira.duraspace.org/browse/DS-1920
This probably applies after an upgrade from 1.8.2.
Cheers
hg
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On 25 April 2014 21:48, Monika C. Mevenkamp <[email protected]> wrote:
>
> I stole code from app.itemupdate | AddBitstreamsAction trying to come
> up with a program that can replace the bitstream contents of an item with a
> new version of the bitstream. I got real close but noticed that deleting
> the item after the addition of the bitstream fails. The error
>
> ERROR: update or delete on table "item" violates foreign key constraint
> "bi_5_dmap_item_id_fkey" on table "bi_5_dmap"
>
> When I ran out of ideas I tested the item updater directly:
> <DSPACE>/bin/dspace itemupdate -e [email protected] -s dest -A
>
> with a directory that I created with export. I did change the contents
> to include a new file for the item. After the command I can see the new
> file just fine - along with the pre existing bitstream. But
> deleting/expunging fails with the above message.
>
> Any ideas anybody ?
>
>
> Here an explanation why I am doing this: I want to put a cronjob
> together that works on all pdf bitstreams in items that are in the workflow
> for a given community. The cronjob is supposed to glue a cover page in
> front of all those bitstreams and replace the existing one with the new
> one. I have the ‘list all interesting bitstreams’ code more or less in
> place. It is fairly generic and I will eventually send a PR. I have a way
> of copying the bitstream files from the system, to a temp location. I know
> how to glue the cover page. The last step - insert the updated bitstream
> proofs to be challenging. I am tempted to copy the bitstream over the old
> one in the assetstore and adjust the shasum in the database directly. BUT …
> well it is not quite the right thing todo …
>
> And just for reference the code snipped that I use to replace an item
>
> Here is the code snipped I use to replace a bitstream:
>
> private Bundle[] replaceBitstream() throws SQLException,
> IOException, AuthorizeException {
> Item item = (Item) bit.getParentObject();
> if (bit.getFormat().getMIMEType().equals(fileFormat) &&
> !ignoreFormatMismatch) {
> throw new RuntimeException("format mistmatch");
> }
>
> Bundle[] bundles = bit.getBundles();
> for (Bundle bdl : bundles) {
> Bitstream nBit = bdl.createBitstream(stream);
> nBit.setName("cp:" + bit.getName()); // changed name
> to make sure this is not the cause of the error
> nBit.setDescription(bit.getDescription());
> nBit.setSource(bit.getSource());
>
> nBit.setUserFormatDescription(bit.getFormatDescription());
>
> nBit.setUserFormatDescription(bit.getFormatDescription());
> bdl.removeBitstream(bit);
> }
> item.update();
> context.commit();
> return bundles;
> }
>
>
>
>
> Monika
>
> ________________
> Monika Mevenkamp
> phone: 609-258-4161
> Lewis Library,Washington Road and Ivy Lane, Princeton University,
> Princeton, NJ 08544
>
>
>
>
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