最近mybatis一直报这个错误
!Nutz SQL Error: 'SELECT COUNT(*) FROM xsb_tender xt JOIN xstyb xsb ON xt.newcomerid = xsb.id JOIN loan_type lt ON lt.id = xsb.typeid WHERE lt.dayloanflag = 4 AND xt.mid = 223365 ' PreparedStatement: 'SELECT COUNT(*) FROM xsb_tender xt JOIN xstyb xsb ON xt.newcomerid = xsb.id JOIN loan_type lt ON lt.id = xsb.typeid WHERE lt.dayloanflag = 4 AND xt.mid = 223365 ' CaseMessage=connection holder is null
配置信息
请问什么问题呢
db.initialSize=20
db.maxActive=50
db.minIdle=5
db.maxWait=300000
db.timeBetweenEvictionRunsMillis=300000
db.minEvictableIdleTimeMillis=300000
db.removeAbandoned=false
db.removeAbandonedTimeout=1800
db.logAbandoned=true
db.validationQuery=SELECT 'x'
db.testWhileIdle=true
db.testOnBorrow=false
db.testOnReturn=false
db.poolPreparedStatements=false
db.maxPoolPreparedStatementPerConnectionSize=20