I have been having repeated errors with the layout editor in the
Eclipse plug-in.
The first error I have seen involves loading the file:
Could not open the editor: The editor class could not be instantiated.
This usually indicates a missing no-arg constructor or that the
editor's class name was mistyped in plugin.xml.
With the following more detailed message:
org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter
$TerminatingClassNotFoundException: An error occurred while
automatically activating bundle com.android.ide.eclipse.editors (585).
at
org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:
125)
... <snipped>
Caused by: org.osgi.framework.BundleException: Exception in
com.android.ide.eclipse.editors.EditorsPlugin.start() of bundle
com.android.ide.eclipse.editors.
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:
1028)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:
984)
at
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:
346)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:
265)
at
org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:
400)
at
org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:
111)
... 57 more
Caused by: java.lang.UnsupportedClassVersionError: Bad version number
in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
... <snipped to Eclipse classes>
at
com.android.ide.eclipse.editors.resources.manager.CompiledResourcesMonitor.loadAndParseRClass(Unknown
Source)
at
com.android.ide.eclipse.editors.resources.manager.CompiledResourcesMonitor.projectOpenedWithWorkspace(Unknown
Source)
at
com.android.ide.eclipse.editors.resources.manager.ResourceMonitor.addProjectListener(Unknown
Source)
at
com.android.ide.eclipse.editors.resources.manager.CompiledResourcesMonitor.setupMonitor(Unknown
Source)
at
com.android.ide.eclipse.editors.resources.manager.ResourceManager.setup(Unknown
Source)
at com.android.ide.eclipse.editors.EditorsPlugin.start(Unknown
Source)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl
$2.run(BundleContextImpl.java:1009)
at java.security.AccessController.doPrivileged(Native Method)
at
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:
1003)
... 62 more
I'm running on a Mac Intel Core Duo (not a 64-bit Core 2 Duo, and
hence no Java 6). I would say that's the problem, except the editors
load >50% of the time. If the Eclipse plugin classes were compiled/
distributed in Java 6 class files, they should never have run.
The other problem that has been plaguing me more recently is:
"Eclipse is loading framework information and the Layout library from
the SDK folder. relative_layout_1.xmlwill refresh automatically once
the process is finished."
But it never loads or refreshes. At least this is a step up, as I can
open the XML source tab with out jumping through "open with..."
hoops. But it is still really annoying.
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