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我已經做了很多次嘗試,以輸入命令從終端正確運行JAR文件,並且我100%確定所有JAR文件等都在給定的路徑中,但我不斷收到一個ClassDefNotFoundException。這與我進入命令的方式有什麼關係?如何正確設置Windows命令行中的類路徑
C:\Users\ANNA\Downloads>"C:\Program Files\Java\jre1.8.0_45\bin\java.exe"
-Djava.library.path="C:\Users\ANNA\Downloads\Windows64_Libjitsi\lib\native\windows-64"
-cp
"C:\Users\ANNA\Downloads\SimplifiedConnectionProvider.jar;C:\Users\ANNA\Downloads\Windows64_Libjitsi"
Core.PublicService
Exception in thread "main" java.lang.NoClassDefFoundError: org/jitsi/service/lib
jitsi/LibJitsi
at Core.PublicService.<clinit>(PublicService.java:38)
Caused by: java.lang.ClassNotFoundException: org.jitsi.service.libjitsi.LibJitsi
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 1 more
沒有工作。再次嘗試:
C:\Users\ANNA\Downloads>"C:\Program Files\Java\jre1.8.0_45\bin\java.exe" -Djava.
library.path="C:\Users\ANNA\Downloads\Windows64_Libjitsi\lib\native\windows-64"
-cp C:\Users\ANNA\Downloads\SimplifiedConnectionProvider.jar;C:\Users\ANNA\Downl
oads\Windows64_Libjitsi Core.PublicService
Exception in thread "main" java.lang.NoClassDefFoundError: org/jitsi/service/lib
jitsi/LibJitsi
at Core.PublicService.<clinit>(PublicService.java:38)
Caused by: java.lang.ClassNotFoundException: org.jitsi.service.libjitsi.LibJitsi
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 1 more
沒有工作。再次嘗試:
C:\Users\ANNA\Downloads>"C:\Program Files\Java\jre1.8.0_45\bin\java.exe" -Djava.
library.path=C:\Users\ANNA\Downloads\Windows64_Libjitsi\lib\native\windows-64 -c
p C:\Users\ANNA\Downloads\SimplifiedConnectionProvider.jar;C:\Users\ANNA\Downloa
ds\Windows64_Libjitsi Core.PublicService
Exception in thread "main" java.lang.NoClassDefFoundError: org/jitsi/service/lib
jitsi/LibJitsi
at Core.PublicService.<clinit>(PublicService.java:38)
Caused by: java.lang.ClassNotFoundException: org.jitsi.service.libjitsi.LibJitsi
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 1 more
注意的是,類「org.jitsi.service.libjitsi.LibJitsi」真的是一個JAR文件,其真正的位置是在文件夾「C:\用戶\安娜\下載\ Windows64_Libjitsi」 ,這是我嘗試在命令行中指定的JAR文件的類路徑。
如果我想要一個文件夾中的所有jar文件,該怎麼辦? –
我想要文件夾「C:\ Users \ ANNA \ Downloads \ Windows64_Libjitsi」中的所有jar文件,但只有一個jar文件名爲「C:\ Users \ ANNA \ Downloads \ SimplifiedConnectionProvider.jar」 –
Nevermind,*是通配符: http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath –