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我的 $CLASSPATH 技能不是太好，我无法设置 mysql-connector 以使用我的 MySQLAccess 类。我编译并将 MySQLAccess 类放在与 my-sql-connector.jar 相同的目录中这是我的代码：

java -classpath :/home/rick/Downloads/mysql-connector-java-5.1.22/mysql-connector-java-5.1.22-bin.jar MySQLAccess

Exception in thread "main" java.lang.NoClassDefFoundError: MySQLAccess
Caused by: java.lang.ClassNotFoundException: MySQLAccess
    at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
Could not find the main class: MySQLAccess. Program will exit.
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1 回答 1

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放一个.表示当前位置的也

java -classpath /home/rick/Downloads/mysql-connector-java-5.1.22/mysql-connector-java-5.1.22-bin.jar:. MySQLAccess
于 2013-01-16T17:15:08.167 回答