这是什么意思？

[floatany]

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Cannot get a connection, pool exhausted
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:845)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:778)
org.apache.jsp.login_jsp._jspService(login_jsp.java:117)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.sql.SQLException: Cannot get a connection, pool exhausted
org.apache.jsp.login_jsp._jspService(login_jsp.java:75)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.29 logs.


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Apache Tomcat/5.0.29
用tomcat自带的连接池，有时候出现上述错误，为什么？这是什么意思？

[梦想家起飞]

连接池耗尽了，检查一下数据源配置里的连接池连接数上线，如果不是程序有太多连接没有及时释放的话，可以考虑增大连接数上线。

[梦想家起飞]

连接池耗尽了，检查一下数据源配置里的连接池连接数上线，如果不是程序有太多连接没有及时释放的话，可以考虑增大连接数上线。