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  1.   

    看起来是连接用完了,tomcat 配置中指定了最大连接数么?你压力测试时的线程数量超过了这个最大连接数么?
      

  2.   

    你看一下我的proxool.properties连接池配置
    jdbc-0.proxool.alias=mysql
    jdbc-0.proxool.driver-class=com.mysql.jdbc.Driver
    jdbc-0.proxool.driver-url=jdbc:mysql://localhost:3306/db_netjdbc-0.user=root
    jdbc-0.password=123456
         proxool.alias=test                                 
         proxool.houseKeepingSleepTime=30000                                                                            
         proxool.prototypeCount=2                        
         proxool.maximumConnectionCount=5      
         proxool.minimumConnectionCount=2       
         proxool.trace=false                  
         proxool.verbose=true