client is using jboss applicaton server(1.4 version) ,  and in the backend  they are usnig oracle 10g database. connecton_pooling  min 35 and max 800. Normally there wll be 40 to 60 threads wll be observed in webconsole. but some times connection threads start increasing like anything, within a minute it increases to 100 , 140 , 180 like that. so the jboss server starts hanging. what could be the reason, all the related files are uploaded. please go through them. jboss server is configured on redhat 5 enterprise edition(64 bit)  wth 8 gb ram.  anything else needs tobe uploaded