密码错误这个有可能是数据库的问题   我们之前有的客户因为数据库的时间格式导致这个密码无法登录

回复第21楼

能否远程给我们看下？

重洗导入数据库？

回复第23楼

怎么操作？

回复第23楼
点击安装JEECMS时，错误提示请见附件。

回复第23楼
提示如下：
HTTP Status 500 - install failed!
type Exception report

message install failed!

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

exception

javax.servlet.ServletException: install failed!
com.jeecms.cms.InstallServlet.doPost(InstallServlet.java:71)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2189)
com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2222)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2017)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:779)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
java.sql.DriverManager.getConnection(DriverManager.java:664)
java.sql.DriverManager.getConnection(DriverManager.java:270)
com.jeecms.cms.Install.createDb(Install.java:65)
com.jeecms.cms.InstallServlet.doPost(InstallServlet.java:39)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

java.net.ConnectException: Connection refused: connect
java.net.DualStackPlainSocketImpl.connect0(Native Method)
java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
java.net.Socket.connect(Socket.java:589)
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2189)
com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2222)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2017)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:779)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
java.sql.DriverManager.getConnection(DriverManager.java:664)
java.sql.DriverManager.getConnection(DriverManager.java:270)
com.jeecms.cms.Install.createDb(Install.java:65)
com.jeecms.cms.InstallServlet.doPost(InstallServlet.java:39)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.52 logs.

Apache Tomcat/8.0.52

这个是jdbc的链接失败

回复第27楼
原因和解决方案一起发下吧？

您看下您jdbc的链接参数是否正确

回复第29楼
怎么看啊，能否将完整操作一起说明，或者给个维护文档。