错误是不能完成对jsp的编译、、、也就是Jsp中写的代码有问题、、、然后看下面，DBConnect不能完成类型的转换、、、再往下看、、、 <jsp:useBean id="wu" scope="page" class="DBConnect"/> 这一段中你引用class时，里面应该是 包名.类名 你写包名了吗？
就是你这个链接不兼容。谢谢采纳！
答案:书籍是人全人类的营养品。
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restart the router and try again. If the issue still cannot be resolved, modify the IP address to the fixed one. Ensure that the IP address has the same network segment as the hotspot. For example, if the LAN network segment is "192.168.1.1" (to obtain the network segment, check the ...
log.ts:441 ERR Cannot register remote filesystem provider. Error while fetching remote environment. Not an authority that can be resolved! notificationsAlerts.ts:42 Failed to connect to the remote extension host server (Error: Not an authority that can be resolved!) ...
HttpSendRequest failed. Error code 12007: The server name or address could not be resolved It indicates an issue with the Internet, specifically a DNS issue or URL that Prism tries to connect to. To fix that - try the suggestions above. ...
"Subscriptions cannot be created because the credentials used to run the report are not stored, or if a linked report, the link is no longer valid" error "The Database Engine instance you selected is not valid for this edition of Reporting Services" error message "The operation has timed ou...
12:26:20 [WRN][ grt]: C:\Users\Ton\AppData\Roaming\MySQL\Workbench\connections.xml:27: link '{58904A7A-467E-42AA-AC3A-B4207CFA18B0}' key=owner could not be resolved 12:26:20 [DB1][component_physical]: Loaded connection list, 11 connections found. 12:26:20 [DB2][...
If IPv6 is enabled and theConnect(String, Int32)method is called to connect to a host that resolves to both IPv6 and IPv4 addresses, the connection to the IPv6 address will be attempted first before the IPv4 address. This may have the effect of delaying the time to establish the connect...