[Moin-user] xapian search: an unhandled win32 exception occured in w3wp.exe
mark.scheufele at diasemi.com
Wed Apr 25 11:59:53 EDT 2012
Hi Moin users,
is there anybody out there who knows details about the xapian integration into moin? Yesterday I have reported that xapian index is not updated when a page is changed. Instead the webserver (IIS 7.5) reports an unhandled exception.
Today I did further troubleshoot the problem and here are my findings:
- I am able to update the index using a python script and calling the index.update_item(page.page_name) function (see original post for the complete script).
- when I run this script it updates the index, yet it also tells something about the following exception:
"Exception RuntimeError: 'maximum recursion depth exceeded while calling a Python object' in <type 'exceptions.AttributeError'> ignored"
- the windows eventlog says that the Exception with code: 0xc00000fd has occurred. According to the following article
http://msdn.microsoft.com/en-us/library/windows/hardware/ff540620%28v=vs.85%29.aspx the exception is triggered by a stack overflow which might be
caused by infinite recursion. This would fit with the RuntimError shown by the standalone script.
- after trying to update a page over the web a search for content of this page does not show any result. Even page content already searchable prior to the
page change cannot the searched anymore.
- When I now run the commandline script for the page I tried to update over the web the moin.log file shows that there is more than one update queued.
2012-04-25 17:03:17,438 MoinMoin.search.Xapian.indexing DEBUG updated xapian index with 2 queued updates
The number of queued updates for a page can be increased by trying to update the page over the web several times.
Summary of my findings:
- the index can be updated using the the index.update_item(page.page_name) function within a script, although the script reports the following exception
"Exception RuntimeError: 'maximum recursion depth exceeded while calling a Python object' in <type 'exceptions.AttributeError'> ignored".
- updating a page over the web produces:
- unhandled exception within IIS
- removes the page content from the xapian index (at least one is not able to search for page content anymore)
- adds an entry to the update queue
I am really interested in solving the issue. If someone could give me a hint how to further troubleshoot it would be highly appreciated.
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