访问页面 - /zcms/Services/AttachDownLoad.jsp - 时发生错误

状态码 500

错误信息

java.lang.RuntimeException: java.lang.RuntimeException: DBConnPoolImpl,Default.:创建连接失败!

异常堆栈

org.apache.jasper.JasperException: java.lang.RuntimeException: java.lang.RuntimeException: DBConnPoolImpl,Default.:创建连接失败!
	at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:556)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.zving.framework.MainFilter.doFilter(MainFilter.java:164)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2517)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2506)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: DBConnPoolImpl,Default.:创建连接失败!
	at com.zving.framework.orm.Schema.fill(Schema.java:419)
	at org.apache.jsp.Services.AttachDownLoad_jsp._jspService(AttachDownLoad_jsp.java:134)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
	... 24 more
Caused by: java.lang.RuntimeException: DBConnPoolImpl,Default.:创建连接失败!
	at com.zving.framework.data.DBConnPoolImpl.getConnection(DBConnPoolImpl.java:185)
	at com.zving.framework.data.DBConnPool.getConnection(DBConnPool.java:85)
	at com.zving.framework.data.DBConnPool.getConnection(DBConnPool.java:56)
	at com.zving.framework.data.DBConnPool.getConnection(DBConnPool.java:18)
	at com.zving.framework.data.DataAccess.getConnection(DataAccess.java:36)
	at com.zving.framework.orm.Schema.fill(Schema.java:396)
	... 28 more

访问页面 - /zcms/Services/AttachDownLoad.jsp - 时发生错误

Apache Tomcat/7.0.67