我的电脑装的是Oracle 11g
因为要JDK的支持，java才能连接数据库，所以装了JDK1.7，请注意接下来的话：
装JDK时免不了要装jre，但是：
jdk和jre不能都安装在java文件夹的根目录下，jdk和jre安装在同一文件夹会出错；
装好Oracle，替换掉sqldeveloper，以为万事大吉的时候，意外发生了：
打开Oracle里面的SQL developer出现了以下错误，但是顺利打开了，不爽
1 Exception initializing ‘oracle.dbtools.raptor.plsql.PLSQLAddin‘ in extension ‘Or 2 acle SQL Developer‘: java.lang.NoClassDefFoundError: com/sun/jdi/Bootstrap 3 at oracle.jdevimpl.debugger.jdi.DebugJDIConnector.getVersion(DebugJDICon 4 nector.java:30) 5 at oracle.jdevimpl.debugger.support.DebugFactory.<clinit>(DebugFactory.j 6 ava:81) 7 at oracle.dbtools.raptor.plsql.PLSQLAddin.initialize(PLSQLAddin.java:96) 8 9 at oracle.ideimpl.extension.AddinManagerImpl.initializeAddin(AddinManage 10 rImpl.java:407) 11 at oracle.ideimpl.extension.AddinManagerImpl.initializeAddins(AddinManag 12 erImpl.java:214) 13 at oracle.ideimpl.extension.AddinManagerImpl.initProductAndUserAddins(Ad 14 dinManagerImpl.java:128) 15 at oracle.ide.IdeCore.initProductAndUserAddins(IdeCore.java:1941) 16 at oracle.ide.IdeCore.startupImpl(IdeCore.java:1565) 17 at oracle.ide.Ide.startup(Ide.java:703) 18 at oracle.ideimpl.DefaultIdeStarter.startIde(DefaultIdeStarter.java:35) 19 at oracle.ideimpl.Main.start(Main.java:184) 20 at oracle.ideimpl.Main.main(Main.java:146) 21 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 22 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 23 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 24 at java.lang.reflect.Method.invoke(Unknown Source) 25 at oracle.ide.boot.PCLMain.callMain(PCLMain.java:62) 26 at oracle.ide.boot.PCLMain.main(PCLMain.java:54) 27 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 28 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 29 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 30 at java.lang.reflect.Method.invoke(Unknown Source) 31 at oracle.classloader.util.MainClass.invoke(MainClass.java:128) 32 at oracle.ide.boot.IdeLauncher.bootClassLoadersAndMain(IdeLauncher.java: 33 189) 34 at oracle.ide.boot.IdeLauncher.launchImpl(IdeLauncher.java:89) 35 at oracle.ide.boot.IdeLauncher.launch(IdeLauncher.java:65) 36 at oracle.ide.boot.IdeLauncher.main(IdeLauncher.java:54) 37 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 38 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 39 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 40 at java.lang.reflect.Method.invoke(Unknown Source) 41 at oracle.ide.boot.Launcher.invokeMain(Launcher.java:713) 42 at oracle.ide.boot.Launcher.launchImpl(Launcher.java:115) 43 at oracle.ide.boot.Launcher.launch(Launcher.java:68) 44 at oracle.ide.boot.Launcher.main(Launcher.java:57) 45 Caused by: oracle.classloader.util.AnnotatedClassNotFoundException: 46 47 缺少类: com.sun.jdi.Bootstrap 48 49 从属类: oracle.jdevimpl.debugger.jdi.DebugJDIConnector 50 加载器: ide-global:11.1.1.0.0 51 代码源: /D:/Oracle11g/product/11.2.0/dbhome_1/sqldeveloper/jdev/exte 52 nsions/oracle.jdeveloper.runner.jar 53 配置: extension jar in D:\Oracle11g\product\11.2.0\dbhome_1\sqldevelop 54 er\jdev\extensions 55 56 此加载操作最初是在 ide-global:11.1.1.0.0 处使用 loadClass() 方法进行的。 57 58 缺少的类在系统上的任何代码源或加载器中均未提供。 59 at oracle.classloader.PolicyClassLoader.handleClassNotFound(PolicyClassL 60 oader.java:2190) 61 at oracle.classloader.PolicyClassLoader.internalLoadClass(PolicyClassLoa 62 der.java:1733) 63 at oracle.classloader.PolicyClassLoader.access$000(PolicyClassLoader.jav
查来查去都没有解决~！后来发现其实挺简单的：在所有程序里有一个jre的程序：Java Runtime Environment
只要将jre那部分的程序卸载掉，就正常的跑起来了
时间： 2024-10-29 13:11:08