DLMS communication packages There are demo projects for C++, C# and Java. The C++ and C# projects have been developed using MS Visual Studio. The Java project has been developed using Eclipse. Before using a demo project to connect to a rea

我在用jetty+cometd做comet服务，continuation机制已经加入，但是日志中出现了这样的异常(WARN:oejs.HttpChannel:qtp607635164-14195: Commit failed java.util.concurrent.TimeoutException: Idle timeout expired: 30000/30000 ms at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTi

java 通过jdbc 连接ms sqlserver的例子，可以动态sql查询数据库，适合初学者学习。(Java through the JDBC connection MS sqlserver example, can dynamically SQL query database, suitable for beginners to learn.)