无法通过 Squirrel 连接到 MySQL - 无法创建连接。检查您的网址

Question

我无法使用 Squirrel 连接到我们的数据库。我确定我的 URL 是正确的，因为我通过我的 java 代码使用它来访问数据库。

我从这里得到了驱动程序：http : //dev.mysql.com/downloads/file.php?id=454395

有趣的是，当我在 squirrel 中将驱动程序添加到 MySQL 时，它显示为：

com.mysql.fabric.jdbc.FabricMySQLDriver

过去，当我使用 squirrel 时，它只会显示 com.mysql.jdbc.Driver 而没有“结构”的东西。

堆栈跟踪：

java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.sql.SQLException: Unable to create connection. Check your URL.
    at java.util.concurrent.FutureTask.report(Unknown Source)
    at java.util.concurrent.FutureTask.get(Unknown Source)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.awaitConnection(OpenConnectionCommand.java:132)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.access$100(OpenConnectionCommand.java:45)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand$2.run(OpenConnectionCommand.java:115)
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: java.sql.SQLException: Unable to create connection. Check your URL.
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.executeConnect(OpenConnectionCommand.java:171)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.access$000(OpenConnectionCommand.java:45)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand$1.run(OpenConnectionCommand.java:104)
    ... 5 more
Caused by: java.sql.SQLException: Unable to create connection. Check your URL.
    at net.sourceforge.squirrel_sql.fw.sql.SQLDriverManager.getConnection(SQLDriverManager.java:136)
    at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.executeConnect(OpenConnectionCommand.java:167)
    ... 7 more

Answer 1

在“驱动程序”窗口中双击 MySQL 驱动程序。查看新打开的窗口底部的类名下拉列表。单击下拉箭头，看看是否可以选择原始com.mysql.jdbc.Driver类名。