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Home » Eclipse Projects » Standard Widget Toolkit (SWT) » ClassNotFound when startup
ClassNotFound when startup [message #432339] Thu, 18 March 2004 16:07
michael is currently offline michaelFriend
Messages: 44
Registered: July 2009
Member
Has anyone got any ideas how I can fix this?

This morning I started up my usually reliable Eclipse installation to
find it would not load. I get the usual Spash Screen for a few seconds
then it disappears to be replaced by an error message directing me to
look in the logs.

The log says:

!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.NoClassDefFoundError: org/eclipse/swt/widgets/Decorations
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown
Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:138)
at
org.eclipse.core.internal.plugins.PluginDescriptor.createExe cutableExtension(PluginDescriptor.java:167)
at
org.eclipse.core.internal.plugins.ConfigurationElement.creat eExecutableExtension(ConfigurationElement.java:103)
at
org.eclipse.core.internal.runtime.InternalPlatform.loaderGet Runnable(InternalPlatform.java:578)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.eclipse.core.internal.boot.InternalBootLoader.getRunnabl e(InternalBootLoader.java:471)
at
org.eclipse.core.internal.boot.InternalBootLoader.run(Intern alBootLoader.java:854)
at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.basicRun(Main.java:291)
at org.eclipse.core.launcher.Main.run(Main.java:747)
at org.eclipse.core.launcher.Main.main(Main.java:583)
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