No but it makes it easier to manage thumb and preview generation if you do.
Van Ly wrote: > Thanks for that. If filter-media is applied on package ingest, is it > necessary to run it as cronjob at all? > > -- Van Ly > > Quoting Mr Havercamp <[email protected]>: > > >> Correct, java.io.File will throw an IOException error if the >> createNewFile method attempts to create a new file over the top of an >> existing one. >> >> Running filter-media with the -v should force the update on existing >> files as well as creating new ones. >> >> Cheers >> >> >> Hayden >> >> Van Ly wrote: >> >>> Hi, >>> >>> I ran a filter-media job and found a number of errors of the kind >>> `skipping bitstream #N' which to be expected. The very first of them >>> is listed below. At a guess, it looks like the IOException is due to >>> the process wanting to create a file but it already exists and this is >>> a condition for complaint. Do you think if I gave it the `force' >>> option, this kind of IOException would go away? >>> >>> bitstream #3636 is fine, I can search for and retrieve it according to >>> handle id. >>> >>> Thanks in advance. >>> >>> -- Van Ly >>> >>> -- details of 1.4.2 Dspace as follows with attempt to interpret the >>> stack trace >>> >>> [0] // open(2) with O_RDWR | O_CREAT | O_EXCL may fail if file already >>> exists >>> [1] // has GeneralFile file = getFile(bitstream); file.createNewFile(); >>> [2] // has Bitstream b = targetBundle.createBitstream(destStream); >>> [3] // MediaFilterManager.java:108 has option to "force all bitstreams >>> to be processed" >>> >>> ... ERROR filtering, skipping bitstream #3636 java.io.IOException: >>> Permission denied >>> ... java.io.IOException: Permission denied >>> ... at java.io.UnixFileSystem.createFileExclusively(Native Method) >>> [0] at java.io.File.createNewFile(File.java:850) >>> ... at edu.sdsc.grid.io.local.LocalFile.createNewFile(LocalFile.java:486) >>> [1] at >>> org.dspace.storage.bitstore.BitstreamStorageManager.store(BitstreamStorageManager.java:332) >>> ... at org.dspace.content.Bitstream.create(Bitstream.java:184) >>> ... at org.dspace.content.Bundle.createBitstream(Bundle.java:362) >>> [2] at >>> org.dspace.app.mediafilter.MediaFilter.processBitstream(MediaFilter.java:168) >>> ... at >>> org.dspace.app.mediafilter.MediaFilterManager.filterBitstream(MediaFilterManager.java:327) >>> ... at >>> org.dspace.app.mediafilter.MediaFilterManager.filterItem(MediaFilterManager.java:296) >>> ... at >>> org.dspace.app.mediafilter.MediaFilterManager.applyFiltersItem(MediaFilterManager.java:266) >>> ... at >>> org.dspace.app.mediafilter.MediaFilterManager.applyFiltersAllItems(MediaFilterManager.java:234) >>> [3] at >>> org.dspace.app.mediafilter.MediaFilterManager.main(MediaFilterManager.java:185) >>> >>> >>> ------------------------------------------------------------------------ >>> >>> ------------------------------------------------------------------------------ >>> Enter the BlackBerry Developer Challenge >>> This is your chance to win up to $100,000 in prizes! For a limited time, >>> vendors submitting new applications to BlackBerry App World(TM) will have >>> the opportunity to enter the BlackBerry Developer Challenge. See full prize >>> details at: http://p.sf.net/sfu/Challenge >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> DSpace-tech mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/dspace-tech >>> >>> >> ------------------------------------------------------------------------------ >> Enter the BlackBerry Developer Challenge >> This is your chance to win up to $100,000 in prizes! For a limited time, >> vendors submitting new applications to BlackBerry App World(TM) will have >> the opportunity to enter the BlackBerry Developer Challenge. See full prize >> details at: http://p.sf.net/sfu/Challenge >> _______________________________________________ >> DSpace-tech mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/dspace-tech >> >> > > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > > > ------------------------------------------------------------------------------ > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/Challenge > _______________________________________________ > DSpace-tech mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/dspace-tech > ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ DSpace-tech mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dspace-tech
