運行從SWT瀏覽器（Mozilla的）

Question

我試圖打開使用SWT瀏覽器，並收到以下錯誤小程序嵌入網頁...困在這裏..can任何一個小程序嵌入頁面幫助

java.lang.NoClassDefFoundError: com/sun/deploy/services/Service 
    at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) 
    at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source) 
    at com.ivb.coep.vtu.plc.OpenBrowser.<init>(OpenBrowser.java:33) 
    at com.ivb.coep.vtu.plc.OpenBrowser.main(OpenBrowser.java:39) 
Caused by: java.lang.ClassNotFoundException: com.sun.deploy.services.Service 
    at java.net.URLClassLoader$1.run(Unknown Source) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at java.net.URLClassLoader.findClass(Unknown Source) 
    at java.lang.ClassLoader.loadClass(Unknown Source) 
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) 
    at java.lang.ClassLoader.loadClass(Unknown Source) 

Answer 1

Browser support for applets varies by platform:

Windows: As of Eclipse/SWT 3.5, applets can be viewed in a Browser if all of the following conditions are met:

1) For Browsers created with style SWT.NONE, the installed IE version is 7.0 or newer

2) For Browsers created with style SWT.MOZILLA, the installed XULRunner version is 1.9.2.x or 3.6.x

3) The installed Java plug-in is Sun JRE 1.6u10 or newer, with the Next Generation Java Plug-in enabled (this plug-in is enabled by default when the JRE is installed)

4) The application is launched with the same JRE that provides the installed Java plug-in

5) The application adds the JRE's plugin.jar, deploy.jar and javaws.jar jars to the JRE's boot classpath. For example, to launch eclipse: eclipse -vmargs -Xbootclasspath/a:"C:\Program Files\Java\jre6\lib\plugin.jar;C:\Program Files\Java\jre6\lib\deploy.jar;C:\Program Files\Java\jre6\lib\javaws.jar"

Linux (Mozilla): Applets can be viewed with Mozilla-based Browsers as long as the Mozilla Java plug-in is found at runtime.

OS X (WebKit): Applets cannot be viewed with WebKit-based Browsers on OS X because the launching of a JRE to execute the applet collides with the JRE that is running the application.

參考：http://www.eclipse.org/swt/faq.php#browserapplets

檢查上述鏈接並驗證該頁面中的所有規定的標準，以便applet在swt瀏覽器上運行。我猜你應用程序的類路徑中缺少一些JAR文件。

尤其是這個java.lang.NoClassDefFoundError: com/sun/deploy/services/Service。這個類屬於deploy.jar。