improve wall filter
improve wall filters
add error info
improve wall filter
add pool concurrent warnnings
improve wall filter
bug fixed for tomcat 7 memory leak warnnings
Merge branch 'master' of https://github.com/wenshao/druid
testcase compatible with oceanbase
Merge branch 'master' of https://github.com/wenshao/druid
support useLocalSessionState config, default is true
support useLocalSessionState config, default is true
optimize for mysql
improve sql parser
Merge pull request #307 from wenshao/master

improve WallFilter