如何在tomcat容器外测试MySQL+DBCP呢,请详细配置讲解,谢谢
我的META-INF下的context.xml
[code="java"]<?xml version='1.0' encoding='UTF-8'?>
driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/db?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8"
username="root" password="root" maxActive="100" maxIdle="30" maxWait="-1"
factory="org.apache.commons.dbcp.BasicDataSourceFactory"
removeAbandoned="true" removeAbandonedTimeout="300" logAbandoned="true">
[/code]
连接方法
[code="java"]public Connection getConnection() throws SQLException
{
if (conn == null)
{
synchronized (this)
{
if (conn == null)
{
DBProperty dbProperty = new DBProperty();
//DbUtils.loadDriver(dbProperty.getClassName());
try
{
InitialContext ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup(dbProperty.getDatasource());
if (ds != null)
conn = (Connection) ds.getConnection();
} catch(NamingException e)
{
System.out.println("JNDI数据源加载失败!");
e.printStackTrace();
} catch(SQLException e)
{
System.err.println("获取数据库连接发生异常!");
System.out.println(e.getMessage());
}
}
}
}
return conn;
}[/code]
这个方法只能能在容器内实现,不知怎么在容器外,另外我用一个JSP测试时出现以下问题,不知如何解决
AbandonedObjectPool is used (org.apache.commons.dbcp.AbandonedObjectPool@d69cff)
LogAbandoned: true
RemoveAbandoned: true
RemoveAbandonedTimeout: 300
2009-9-2 22:29:17 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
java.lang.ClassCastException: org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper cannot be cast to com.mysql.jdbc.Connection
at db.DBUtil.getConnection(DBUtil.java:42)
at db.DBUtil.select(DBUtil.java:65)
at org.apache.jsp.show_jsp._jspService(show_jsp.java:64)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:102)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:389)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:33)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:574)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1527)
at java.lang.Thread.run(Unknown Source)
[b]问题补充:[/b]
主要我想测试下容器是否好使