我在netbeans中创建了简单的java应用程序。我使用mysql-connector-java-5.0.7-bin将java与mysql.it连接起来,在IDE中工作良好,最后我创建了可执行文件jar.。当我从cmd窗口运行jar文件时,我在cmd中得到了以下错误db not connected -c
15/03/20 12:47:53 ERROR manager.SqlManager: Error reading from database: java.sql.SQLException: Streamingresult set com.mysql.jdbc.RowDataDynamic@33573e93 is still active.: Streaming result set com.mysql.jdbc.RowDataDynamic@33573e93 is still act
**java.sql.SQLException: Driver:com.mysql.jdbc.Driver@9ff430 returned null for URL:jdbc:mysql//localhost: Could not get JDBC Connection; nested exception is java.sql.SQLException: Driver:com.mysql.jdbc.Driver:
通过遵循教程,我将MSSQL数据库迁移到Mysql数据库。SELECT DATE_IN FROM incoming_audit.main where DATE_IN is not null2017-01-26 11:48:33 [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] WARN - SQL Error: 0, SQLState: S1009
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