我试图运行一个自动完成的代码，我已经添加了swt和jface jar来构建路径。
我不确定哪个插件丢失或在eclipse中添加
Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/core/runtime/ListenerList
at org.eclipse.jface.fieldassist.ContentProposalAdapter.<init>(ContentProposalAdapter.java:1202)
at AutoCompleteComboTextControls.enableContentProposal(AutoCompleteComboTextControls.java:83)
at AutoCompleteComboTextControls.main(AutoCompleteComboTextControls.java:60)
Caused by: java.lang.ClassNotFoundException: org.eclipse.core.runtime.ListenerList
at java.net.URLClassLoader$1.run(Unknown Source)
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)
... 3 more