proxool 连接池警告分析：appears to have started a thread named [HouseKeeper] but has failed to stop it

【proxool 连接池警告分析：appears to have started a thread named [HouseKeeper] but has failed to stop it】的更多相关文章

proxool 连接池警告分析：appears to have started a thread named [HouseKeeper] but has failed to stop it

1. 问题:日志中出现下面的警告: 警告: The web application [ROOT] appears to have started a thread named [HouseKeeper] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Thread.sleep(Native Method) org.logicalcobw…

警告: The web application [ROOT] appears to have started a thread named [Thread-48] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

1. 问题描述 tomcat跑web项目(其中依赖java项目) 出现大量上述警告项目起不来关键字 memory leak 内存泄漏 2. 解决方案难道是程序写的有问题? 最终将tomcat VM参数中内存调大解决了 -Xms512m -Xmx512m -Xmn300m -Xss2048k -XX:PermSize=512m -XX:MaxPermSize=512m 需要根据机器的配置做相应调整…

严重：The web application [web01] appears to have started a thread named ...

Tomcat报错严重:The web application [web01] appears to have started a thread named [PooledThread-1] but has failed to stop it. This is very likely to create a memory leak. 没有关闭ResultSet,PreparedStatement,Connection的后果.用完ResultSet,PreparedStatement,Connec…

paip.proxool连接池：Attempt to refer to a unregistered pool by its alias 'xx'

paip.proxool连接池 :Attempt to refer to a unregistered pool by its alias 'xx' 作者Attilax 艾龙, EMAIL:1466519819@qq.com 来源:attilax的专栏地址:http://blog.csdn.net/attilax proxool-0.9.1 resin4 原因,没有加载proxool.xml try { JAXPConfigurator.configure("C:\\Users…

使用proxool 连接池:No suitable driver found for proxool

使用proxool连接池时:报错误No suitable driver found for proxool.shide的原因: ①.WEB-INF目录下的lib中没有proxool连接池jar驱动包.(容易发现的原因) ②.WEB-INF目录下没有web.xml配置文件或者在web.xml配置文件中对proxool数据库连接池的配置不正确.应该如下配置:(这个原因也较容易发现) <servlet> <servlet-name> ServletConfigurator &…

使用proxool连接池配置教程

proxool连接池的优点: 1.透明度:透明地将连接池添加到现有的JDBC驱动程序. 2.开源:我们的许可证允许您灵活地将其用于商业和其他开源产品. 3.标准:符合J2SE API,使您有信心开发标准. 4.控制:您可以监视数据库连接的性能并监听连接事件 5.易于使用:您可以轻松地使用JDBC API,XML或Java属性文件进行配置. 这里有用到两种数据库,一个是mysql,一个是hsqldb,需要用到的包一共有8个,分别是: mysql驱动包:mysql-connector-java-5.…

MySql 8小时解决方案：proxool连接池

最近做的项目用的mysql数据库,前天挂在服务器上,昨天早晨上班一来,同事就说API数据接口访问不了了,我马上mstsc登陆服务器看,报错了.马上重启tomcat,结果还能正常运行,当时没管,今天过来又出现相同的问题,错误代码网上一查,原来是MySql8小时的问题. MySql8小时问题: 小时后,MySQL 就会断开该连接,而 c3p0 连接池则以为该被断开的连接依然有效.在这种情况下,如果客户端代码向 c3p0 连接池请求连接的话,连接池就会把已经失效的连接返回给客户端,客户端在使用该失效连…