On Jan 31, 2008, at 7:43, Andi Vajda <[EMAIL PROTECTED]> wrote:


On Jan 31, 2008, at 3:05, "James Brady" <[EMAIL PROTECTED]> wrote:

Hi,
I'm running PyLucene version 2.2.0-1 (compiled from source) on a 64- bit EC2 instance:
$ uname -a
Linux domU-12-31-39-00-08-41 2.6.16.33-xenU #2 SMP Wed Aug 15 17:27:36 SAST 2007 x86_64 x86_64 x86_64 GNU/Linux

I'm using PyLucene through a modified TurboLucene layer - the following code is giving me a segfault:
       searcher = IndexSearcher(_get_index_path
(language))
...
       try:
           comboQuery = BooleanQuery()
           if query:
comboQuery.add(parser.parse(query), BooleanClause.Occur.MUST)
           for filter in filters:
               comboQuery.add(filter.getQuery(), filter.getOccur())

           _log.debug("Executing query: %s -- sort: %s (%s -> %s)" %
                      (comboQuery, sort, start_offset, end_offset))
           hits = searcher.search(comboQuery, sort)

It's the searcher.search line at fault - my code catches a Java NullPointerException. Here's the gdb output:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1224808768 (LWP 26910)]
0x00002aaaab41a487 in org::apache::lucene::search::IndexSearcher $1::collect () from /usr/lib64/python2.4/site-packages/_PyLucene.so
(gdb) where
#0 0x00002aaaab41a487 in org::apache::lucene::search::IndexSearcher $1::collect () from /usr/lib64/python2.4/site-packages/_PyLucene.so #1 0x00002aaaab4105fb in org::apache::lucene::search::BooleanScorer2::score () from /usr/ lib64/python2.4/site-packages/_PyLucene.so #2 0x00002aaaab41a802 in org::apache::lucene::search::IndexSearcher::search () from /usr/ lib64/python2.4/site-packages/_PyLucene.so #3 0x00002aaaab41a66b in org::apache::lucene::search::IndexSearcher::search () from /usr/ lib64/python2.4/site-packages/_PyLucene.so #4 0x00002aaaab41a17e in org::apache::lucene::search::Hits::getMoreDocs () from /usr/lib64/ python2.4/site-packages/_PyLucene.so #5 0x00002aaaab4248f1 in org::apache::lucene::search::Searcher::search () from /usr/lib64/ python2.4/site-packages/_PyLucene.so #6 0x00002aaaab4bb20f in wrap_LucenePackage () from /usr/lib64/ python2.4/site-packages/_PyLucene.so #7 0x00002b9eba1410a8 in PyEval_EvalFrame () from /usr/lib64/ libpython2.4.so.1.0 #8 0x00002b9eba140a5d in PyEval_EvalFrame () from /usr/lib64/ libpython2.4.so.1.0 #9 0x00002b9eba140a5d in PyEval_EvalFrame () from /usr/lib64/ libpython2.4.so.1.0 #10 0x00002b9eba141e50 in PyEval_EvalCodeEx () from /usr/lib64/ libpython2.4.so.1.0 #11 0x00002b9eba0f8603 in PyClassMethod_New () from /usr/lib64/ libpython2.4.so.1.0 #12 0x00002b9eba0e2140 in PyObject_Call () from /usr/lib64/ libpython2.4.so.1.0 #13 0x00002b9eba0e822f in PyClass_IsSubclass () from /usr/lib64/ libpython2.4.so.1.0 #14 0x00002b9eba0e2140 in PyObject_Call () from /usr/lib64/ libpython2.4.so.1.0 #15 0x00002aaaab4a21d5 in callPython () from /usr/lib64/python2.4/ site-packages/_PyLucene.so #16 0x00002aaaab49585c in org::osafoundation::util::PythonRunnable::run () from /usr/lib64/ python2.4/site-packages/_PyLucene.so #17 0x00002aaaad0bc1b6 in java::lang::Thread::run () from /usr/ lib64/libgcj.so.7rh #18 0x00002aaaacdc0638 in _Jv_ThreadRun () from /usr/lib64/ libgcj.so.7rh #19 0x00002aaaacdc6ec7 in _Jv_ThreadRegister () from /usr/lib64/ libgcj.so.7rh #20 0x00002aaaad508f86 in _Jv_strtod_r () from /usr/lib64/libgcj.so. 7rh
#21 0x00002b9eba3e62f7 in start_thread () from /lib64/libpthread.so.0
#22 0x00002b9ebad5386d in clone () from /lib64/libc.so.6
#23 0x0000000000000000 in ?? ()

I know 64-bit support is experimental, but does anyone have any suggestions on how I can work round this?

It appears that you're running the GCJ flavor of PyLucene. Does 'make test' pass ?

Switching to the JCC flavor of PyLucene has a very good chance of working around this problem.

It can be found here:
http://svn.osafoundation.org/pylucene/trunk/jcc

Andi..



Andi..



Thanks!
James
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