报错信息: Caused by: java.sql.SQLException: Io 异常: Invalid number format for port number at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
In RAD Studio, Delphi, C++Builder, XE4 there can become a scenario if you try to modify, repair, upgrade, or even remove the installation you will get an "Invalid serial number" message. The solution appears fairly simple and we have tracked it
问题描述: 以前下载到开发板linux内核启动好好地,今天突然启动不了了,到达Root-NFS: Unable to get mountd port number from server, using default这个位置就停住了,过了一段时间就显示,如图: 很明显,我的nfs有问题. 解决办法: 1.linux的NFS没有正常启动,而不是没有内核文件或者文件已坏. 2.如果还没有解决,还有一个办法:直接用网线将电脑和开发板连接起来.(之后将网线重新各自接到路由器,等待一段时间后,也可以使用n
https://en.wikipedia.org/wiki/Dynamic_Host_Configuration_Protocol The DHCP employs a connectionless service model, using the User Datagram Protocol (UDP). It is implemented with two UDP port numbers for its operations which are the same as for the BO
How to do SSH Tunneling (Port Forwarding) In this post we will see how ssh works?, what is SSH tunneling? what is important of ssh tunnels and how to setup the ssh tunnel.When SSH server is installed in machine then by default its allowed ssh tunneli
出现此问题的原因是由于kernel feature中选中了Use the ARM EABIto compile the kernel引起的,有两各解决办法: 1)换编译器为arm-linux-gcc version 4.3.3 2)去掉内核中的Kernel Features->Use the ARM EABIto compile the kernel选项. 参考:编译内核出错:invalid option `abi=aapcs-linux' 解决办法