I got this error when recompiling widgetset with oophm libraries
compile-widgetset:
[java]
Loading module 'com.genix.platform.smartform.widget.gwt.WidgetSet'
[java]
Loading inherited module 'com.vaadin.terminal.gwt.DefaultWidgetSet'
[java]
Loading inherited module 'com.google.gwt.user.User'
[java]
Loading inherited module 'com.google.gwt.core.Core'
[java]
Loading inherited module 'com.google.gwt.core.CompilerParameters'
[java]
[WARN]
Setting configuration property named compiler.max.vars.per.var in com.google.gwt.core.CompilerParameters that has not been previously defined. This may be disallowed in the future.
[java]
Compiling module com.genix.platform.smartform.widget.gwt.WidgetSet
[java]
Refreshing module from source
[java]
Validating newly compiled units
[java]
Removing units with errors
[java]
[WARN]
Warnings in 'jar:file:/E:/mvn-repo/com/google/gwt/gwt-user/1.7.0/gwt-user-1.7.0.jar!/com/google/gwt/dom/client/DOMImplMozillaOld.java'
[java]
[WARN]
Line 87: Referencing deprecated class 'com.google.gwt.user.client.impl.DocumentRootImpl'
[java]
[ERROR]
Unable to find compilation unit for type 'com.google.gwt.core.client.RunAsyncCallback'
[ERROR]