DB_PAGE_NOTFOUND

Matthias,

I've found out how to reproduce the problem with t.bogoutil, i.e. the
generation of message:

bogofilter: (db) DB->get(TXN=134689768,  '.MSG_COUNT' ), err: -30988,
DB_PAGE_NOTFOUND: Requested page not found

It happens when db-4.2.52 is used (but not db-4.3.27) and when 
"--enable-transactions" is used, but not with AUTO-XA.

I reduced t.bogoutil and t.frame to their essentials and ended up with
script t.DB_PAGE_NOTFOUND.sh.  

To ensure a clean build, I ran:

   ./configure --enable-transactions
   make -s distclean
   make -s all

When I run the following commands from my bogofilter/src directory

   t.DB_PAGE_NOTFOUND.sh
   ./bogofilter -xd -C -s -d bogodir/ -M -B ./tests/inputs/spam.mbx

Alternatively, after running t.DB_PAGE_NOTFOUND.sh, the second command
can be used as gdb arguments and the problem appears.

Note that to get the error, the script _must_ be run before each
running of the bogofilter command.  If the bogofilter command is run
_twice_, the first run will generate the error and the second will
succeed.

As wild speculation, might the txn_probe code be involved?  Might
running it in AUTO-XA do something crucial that --enable-transactions
doesn't do.

Regards,

David

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#!/bin/sh -x

### run from src /subdirectory

### setup (one time)
# cd ..
# make -s distclean
# ./configure --enable-transactions --quiet
#make -s all
### end of setup

echo "###### t.DB_PAGE_NOTFOUND.sh begins ######"

rm -rf bogodir
mkdir bogodir

./bogoutil -l bogodir/wordlist.db < /dev/null

rm bogodir/wordlist.db
./bogofilter -xd -C -n -d bogodir/ -M -B ./tests/inputs/good.mbx

### The following command can be run from the command line or
### the equivalent put into .gdbinit

#./bogofilter -xd -C -s -d bogodir/ -M -B ./tests/inputs/spam.mbx

echo "###### t.DB_PAGE_NOTFOUND.sh done ######"

### And this is the result either way
#bogofilter: (db) DB->get(TXN=134689880,  '.MSG_COUNT' ), err: DB_PAGE_NOTFOUND: Requested page not found