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the target file existed and was not writeable for the 'plone' user (only readable) - not sure if this is intentional an issue with the umask of the system (0002). As workaround I created a money patch changing the permissions of the target file before actually trying to write it back. Andreas Andreas Jung wrote: > Could this be related to > > https://bugs.launchpad.net/zodb/+bug/224169 > > ? > > Andreas > > Jim Fulton wrote: >> On Mon, Apr 26, 2010 at 6:34 AM, Andreas Jung <li...@zopyx.com> wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Hi there, >>> >>> a customer site is running Plone 3.3 w/ plone.app.blob. >>> >>> While creating a 'File' instance we get the following error: >>> >>> 2010-04-26T13:17:07 ERROR Zope.SiteErrorLog 1272277027.360.157502129415 >>> http://www.deisa.eu/test-project/conversions/@@generate/generate >>> Traceback (innermost last): >>> Module ZPublisher.Publish, line 125, in publish >>> Module Zope2.App.startup, line 238, in commit >>> Module transaction._manager, line 93, in commit >>> Module transaction._transaction, line 325, in commit >>> Module transaction._transaction, line 432, in _commitResources >>> Module ZODB.Connection, line 762, in tpc_finish >>> Module ZEO.ClientStorage, line 1088, in tpc_finish >>> Module ZEO.ClientStorage, line 1134, in _update_cache >>> Module ZODB.blob, line 772, in rename_or_copy_blob >>> IOError: [Errno 13] Permission denied: >>> '/home/plone/Plone/zeocluster/var/blobstorage/0x00/0x00/0x00/0x00/0x00/0x07/0x4c/0xf0/0x0385b9291ea836aa.blob' >>> >>> The Plone processes is running as user 'plone' (nothing related to >>> setuid/effective-user) and all files and directories are owned by >>> 'plone'. I could even create a new file from the debugger inside >>> rename_or_copy_blob() inside the >>> /home/plone/Plone/zeocluster/var/blobstorage/0x00/0x00/0x00/0x00/0x00/0x07/0x4c/0xf0 >>> directory. >>> >>> The related code in blob.py is: >>> >>> 759 def rename_or_copy_blob(f1, f2, chmod=True): >>> 760 """Try to rename f1 to f2, fallback to copy. >>> 761 >>> 762 Under certain conditions a rename might not work, e.g. because >>> the target >>> 763 directory is on a different partition. In this case we try to >>> copy the >>> 764 data and remove the old file afterwards. >>> 765 >>> 766 """ >>> 767 try: >>> 768 os.rename(f1, f2) >>> 769 except OSError: >>> 770 copied("Copied blob file %r to %r.", f1, f2) >>> 771 file1 = open(f1, 'rb') >>> 772 file2 = open(f2, 'wb') >>> ^^^^^^^^^^^^^^^^^^^^^^^ >>> 773 try: >>> 774 utils.cp(file1, file2) >>> 775 finally: >>> 776 file1.close() >>> 777 file2.close() >>> 778 remove_committed(f1) >>> 779 if chmod: >>> 780 os.chmod(f2, stat.S_IREAD) >>> >>> Is this a known problem >> No. > >>> and how can this be fixed. >> I have no idea, and have no idea how to reproduce it. > >> Jim > > > - ------------------------------------------------------------------------ _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev - -- ZOPYX Limited | zopyx group Charlottenstr. 37/1 | The full-service network for Zope & Plone D-72070 Tübingen | Produce & Publish www.zopyx.com | www.produce-and-publish.com - ------------------------------------------------------------------------ E-Publishing, Python, Zope & Plone development, Consulting -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkvW72QACgkQCJIWIbr9KYwGtACePGxR3qHejwAHjVUEIZ1W1IHw hU4AoNAiORDVVr9sCCdSuqFrywhnIsS4 =Ei/R -----END PGP SIGNATURE-----
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