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Zope crashing after movin Plone site to RHEL 4
by Mário Gamito 21 Jun '05

21 Jun '05

Hi, I have this 1.0.2 Plone site running for about two years, or so. It always ran smoothly. Recently, i've moved it to a new server running Red Hat Enterprise Linux 4. I've compiled Python 2.1.3 and start Zope with: exec /usr/local/python-2.1.3/bin/python $cwd/z2.py -L 'pt_PT' -u zope "$@" Now, i'm having this big problem: Zope crashes every day once or twice. Onle restoring a previous Zope backup i can get Zope and Plone up again. Is there something wrong here ? Something specific to RHEL 4 ? Thank you in advance. Warm Regards, Mário Gamito

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ZPT code sample
by John Poltorak 21 Jun '05

21 Jun '05

Is there anything wrong with this ZPT code sample? http://www.zopemag.com/Issue003/Section_Articles/article_ZPTintro_code.html I get this error message when trying to save it:- HTMLParser.HTMLParseError: malformed start tag, at line 8, column 37 -- John

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New External Editor release 0.9
by Chris McDonough 21 Jun '05

21 Jun '05

Since Casey Duncan, the original author of Zope External Editor is happily hacking away on other things at a new job, I figure I might as well pick up maintenance of this product. The new location for External Editor releases will be: http://plope.com/software/ExternalEditor/ A new release (0.9) is available at that location and the changes for the release are visible at http://plope.com/software/ExternalEditor/CHANGES-0.9.txt . Most changes in this release are aimed at improving zopeedit behavior under Windows. Have fun! - C

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ZPT & contents slot
by John Poltorak 21 Jun '05

21 Jun '05

If I create a macro which defines a slot called 'content', is there any way to have that slot populated by a file with a specific name if it exists in a folder? What I'd like to do is create a structure text file, in each of the folders A B C and have it automatically loaded into a content slot of a master template whenever the options A B C are selected. Can I do that, and if so how? I have spent all day looking at ZPT references and have no idea if what I'd like to do is possible. -- John

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Zope External Editor Problem
by hpinson＠indepthl.com 21 Jun '05

21 Jun '05

Hello. I am having a problem with Zope External Editor 0.8 - the helper app running on W2K. This problem occurred on upgrade from the previous version. When I lauch the external editor, by clicking the pencil, MS Word lauches (and if I save, badly mangles the HTML. In ZopeEdit.ini my editor setting has not changed: # Uncomment and specify an editor value to override the editor # specified by the operating system editor = C:\Program Files\TextPad 4\TextPad.exe I used to be able to change this path to Dreamweaver as well, but when I do that, only MS Word launches. What could account for this? Is there a solution to get Zope External Editor working as it did prior to the upgrade? Harlow Pinson Indepth Learning Email: hpinson(a)indepthl.com Web: http://www.indepthl.com Voice: 505-994-2135 FAX: 208-475-7678

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Re: [Zope] ZPT tutorial
by J Cameron Cooper 21 Jun '05

21 Jun '05

John Poltorak wrote: > On Tue, Jun 21, 2005 at 07:04:48PM +0100, Peter Bengtsson wrote: > >>>> How about the 2 chapters in the Zope book? >>> >>> >>> I just don't find this book very helpful at all. It's written as a >>> manual >>> rather than tutorial and reminds me of a book which explains how to >>> chop >>> down a tree if you are interested in putting up some bookshelves. >>> >>> What I did find useful, though, was this worked example of how to put >>> together a simple application:- >>> >>> http://www.plope.com/Books/2_7Edition/SimpleExamples.stx#1-6 >>> >>> That was much more useful than anything else I've come across so. Just >>> wish there were a few more examples. >>> >> >> Interesting. If you like examples, be sure to get familiar with >> Zopelabs.com (zope cookbook) > > > It probably is very useful, but I know I'd get hopelessly lost because > there is just so much stuff on it. Most of the newbie stuff about > macros is probably quite old by now so I doubt whether I'd find it > with a sequential browse through the Cookbook. > It's disappointing to find that the link from Newbies under the ZOPE > section does not function. > > What I really need is something like a ZPT macro which defines a > header and footer and leaves a slot in the middle for my own content. > I don't expect to be able to write my own macro for quite a while - > too many pitfalls... I'm not even sure is that is how I should be > approaching writing a home page. You think it is harder than it is. I can show you by no more than copy/paste from the ZMI help system. The macro page (from Help! > Zope Help > ZPT Reference > metal:define-slot) we will call 'master.html':: Hello World A client page (from metal:fill-slot):: Hello Kevin Bacon In CMF/Plone/etc, one would usually say 'context' instead of 'container' because of the skins sytem. It is not a great intellectual leap to replace "Hello" with header-type page structure, and replace the whitespace after the slot with footer-type structure. --jcc -- "Building Websites with Plone" http://plonebook.packtpub.com/ Enfold Systems, LLC http://www.enfoldsystems.com

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Factory-based Type Information
by Denis Mishunoff 21 Jun '05

21 Jun '05

Hello, list. I have a problem with my product. I use Zope 2.7.5 and Plone 2.0.5. I need to create the copy of Document content-type on my product's install the same way as it is done in portal_types via "Factory-based Type Information" option of dropdown. I just need to have the copy of it and to alter some fields. Please advise. Thank you. -- Best regards, Denis Mishunoff mailto:spliter@sdtcom.lg.ua http://plonetarium.objectis.net

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installation problem
by tyson 21 Jun '05

21 Jun '05

Hi- I got zope 2.8 installed on fedora core 4. Whenever I execute this command to start zope /usr/local/zope/instance/bin/runzope, I get this error: Error: The object named by "DBTab.ClassFactories.autoClassFactory" could not be imported Traceback (most recent call last): File "/usr/local/zope/lib/python/Zope2/Startup/datatypes.py", line 93, in importable_name package = __import__(n, g, g, component) File "/usr/local/zope/lib/python/DBTab/ClassFactories.py", line 18, in ? import OFS.Uninstalled File "/usr/local/zope/lib/python/OFS/Uninstalled.py", line 16, in ? import SimpleItem, Globals, Acquisition File "/usr/local/zope/lib/python/OFS/SimpleItem.py", line 25, in ? import Globals, App.Management, Acquisition, App.Undo File "/usr/local/zope/lib/python/Globals.py", line 23, in ? import Acquisition, ComputedAttribute, App.PersistentExtra, os File "/usr/local/zope/lib/python/App/PersistentExtra.py", line 16, in ? from class_init import default__class_init__ File "/usr/local/zope/lib/python/App/class_init.py", line 14, in ? from AccessControl.PermissionRole import PermissionRole File "/usr/local/zope/lib/python/AccessControl/__init__.py", line 17, in ? from Implementation import setImplementation File "/usr/local/zope/lib/python/AccessControl/Implementation.py", line 98, in ? setImplementation("C") File "/usr/local/zope/lib/python/AccessControl/Implementation.py", line 51, in setImplementation from AccessControl import ImplC as impl File "/usr/local/zope/lib/python/AccessControl/ImplC.py", line 29, in ? from ImplPython import RestrictedDTML, SecurityManager ImportError: No module named ImplPython (line 914 in file:///usr/local/zope/instance/etc/zope.conf) For help, use /usr/local/zope/lib/python/Zope2/Startup/run.py -h I noticed that this affected other people from some discussions, but I couldn't find any solution. Does anybody have an idea where I can start? My buddy got his working on fedora core 4 fine, so it shouldn't be a problem. When I first compiled zope, I used this command. "./configure --prefix=/usr/loca/zope --with-python=/usr/bin/python2.4". Any help would be much appreciated! -Tyson

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ZMYSQLDA 2.0.9 lock problem
by Dennis Allison 21 Jun '05

21 Jun '05

IE, Zope 2.7.6, Python 2.4.1, MYSQLDA 2.0.9 One of our developers is reporting a curious problem, which I have not been able to track down. It appears to be threading related, somewhere in the ZBMYSQLDB adaptor. The database connection string is bare of transaction indicators. The database is local. All tables are MyISAM which is non-transactioal. Unfortunately the user does not remember the exact sequence of events which generate the problem so I am unable to duplicate. What we do know is that the problem occurs at the beginning of a development session begun with a cold boot of the client machine and a fresh browser and it occurs once and only onece during the development session. The developer normally has two active Zope threads going--one working with the application and one working with the ZMI. He moves between them using the Open/View tab and other buttons. He reports that the first time he moves focus from the ZMI to the application, he gets the following error: ------------------------------------------------------------------- Time 2005/06/20 07:12:03.478 GMT-7 User Name (User Id) XXXX (XXXXX) Request URL http://xxx.xxxxxxxx.com/logged_in Exception Type error Exception Value release unlocked lock Traceback (innermost last): * Module ZPublisher.Publish, line 107, in publish * Module Zope.App.startup, line 222, in commit * Module ZODB.Transaction, line 260, in commit * Module ZODB.Transaction, line 377, in _finish_many * Module Shared.DC.ZRDB.TM, line 59, in tpc_finish * Module Products.ZMySQLDA.db, line 376, in _finish error: release unlocked lock -------------------------------------------------------------------- The lock being released is a transactional lock. None of our locks should be transactional locks, given our setup. I traced through the __init__() method for DB and did not see how transactional locking could be specified so the lock relaease code could run--I must be missing something. No thread in our system uses transactional locking as the tables do no support transactions. The logged_in method references the MySQL database in several places; a couple of them are compound queries where multiple queries are joined by "<dtml-var mysql_delimiter>" values. Many of our queries use this in combination with the "use <database name>" SQL query. The system is using ZODB filestorage (Data.fs) with ZEO and is pretty much out of the box. Has anyone else encountrered a similar problem. Any suggestions as to how to find this bug?

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Zope Foundation ideas
by Rob Page 20 Jun '05

20 Jun '05

In preparation for tomorrow's IRC session (reminder/details below) we have prepared some initial ideas about the Zope Foundation. These are available online at: o http://tinyurl.com/74pd3 Note -- the document is written with phrases like "the Foundation will", "Contributors shall", etc. This is NOT to be interpreted as though these terms/conditions are predetermined. It is written to close in on specific language that avoids misinterpretation. Zope Foundation IRC Session --------------------------- IRC Session Summary: - Who: Zope Corp and Zope Community - What: IRC session to discuss the Zope Foundation - When: Tue, 21 Jun 2005 10a - 12p (US EDT) - Where: irc.freenode.net #zope Please send specific questions to: mailto:irc_agenda_topics@zope.com Hope to see you there. Regards, Rob -- Rob Page V: 540.361.1710 Zope Corporation F: 703.995.0412

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