A problem with messages in database on linux

on windows,I send message and receive messsage by openjms,and the messages
tables will add record when send messages and will delete when receive
message from it,So the messages table still empty.
but on linux ,in the same environment, the messages tables will not delete
record when receive message from it,So the count of the record in the
messages tables increasing,my program is running , and message is send to
messages table,so in some time, the messages table will breakdown.
 
Every one ,do you know how to solve this problem? 
 
Thank you very much! 
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