java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:164) at jdbc.HuaweiJDBCTest.getConnection(JDBCTest.java:26) at jdbc.HuaweiJDBCTest.main(JDBCTest.java:54) Exception in thread "main" java.lang.NullPointerException at jdbc.HuaweiJDBCTest.main(JDBCTest.java:55)