java如何设置系统属性_java – 设置系统属性

我试图遵循这个指令运行门嵌入

它说：“系统属性gate.home应设置为门安装目录。 (http://gate.ac.uk/wiki/code-repository/)

我如何做到这一点？

此外，当我尝试运行EmbeddedAnnie的示例代码时，我得到以下错误：

(我不知道它是否相关)。

Initialising GATE...

GATE home system property ("gate.home") not set.

Attempting to guess...

Using "C:\Program Files (x86)\GATE-6.0" as GATE Home.

If this is not correct please set it manually using the -Dgate.home option in yo

ur start-up script

Using C:\Program Files (x86)\GATE-6.0 as GATE home

Using C:\Program Files (x86)\GATE-6.0\plugins as installed plug-ins directory.

Using C:\Program Files (x86)\GATE-6.0\gate.xml as site configuration file.

Using C:\Users\UNST\gate.xml as user configuration file

Using C:\Users\UNST\gate.session as user session file

Exception in thread "main" java.lang.NoClassDefFoundError: gate/creole/gazetteer

/AbstractGazetteer

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)

at java.lang.ClassLoader.defineClass(ClassLoader.java:616)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:14

1)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

at sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)

at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

at java.lang.ClassLoader.loadClass(ClassLoader.java:296)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)

at java.lang.ClassLoader.loadClass(ClassLoader.java:296)

at gate.util.GateClassLoader.loadClass(GateClassLoader.java:63)

at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

at gate.creole.CreoleAnnotationHandler.processAnnotationsForResource(Cre

oleAnnotationHandler.java:193)

at gate.creole.CreoleAnnotationHandler.processAnnotations(CreoleAnnotati

onHandler.java:169)

at gate.creole.CreoleAnnotationHandler.processAnnotations(CreoleAnnotati

onHandler.java:173)

at gate.creole.CreoleAnnotationHandler.processAnnotations(CreoleAnnotati

onHandler.java:173)

at gate.creole.CreoleAnnotationHandler.processAnnotations(CreoleAnnotati

onHandler.java:157)

at gate.creole.CreoleRegisterImpl.processFullCreoleXmlTree(CreoleRegiste

rImpl.java:358)

at gate.creole.CreoleRegisterImpl.parseDirectory(CreoleRegisterImpl.java

:341)

at gate.creole.CreoleRegisterImpl.registerDirectories(CreoleRegisterImpl

.java:306)

at gate.Gate.initCreoleRepositories(Gate.java:449)

at gate.Gate.init(Gate.java:230)

at StandAloneAnnie.main(StandAloneAnnie.java:69)

Caused by: java.lang.ClassNotFoundException: gate.creole.gazetteer.AbstractGazet

teer

at java.net.URLClassLoader$1.run(URLClassLoader.java:202)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

at sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)

at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

... 27 more

泰德。