See https://bugs.eclipse.org/bugs/show_bug.cgi?id=442021
Markus Keller wrote up an nice summary of what consumers should do to fix any warnings that may be caused by this change at https://bugs.eclipse.org/bugs/show_bug.cgi?id=442021#c25 Here is a copy of the recommendations if you are going to compile against the latest version of org.eclipse.equinox.common: 1. In MANIFEST.MF, update your Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.11.0,4.0.0)", or org.eclipse.equinox.common;bundle-version="[3.7.0,4.0.0)", or update your Import-Package: org.eclipse.core.runtime; version="[3.5,4.0)" 2. If your bundle re-exports one of these bundles, then you also have to make sure the minor version is incremented. 3. Remove unnecessary casts (Clean Up, or Problems view > Quick Fix > Select All) 4. Update implementations of IAdaptable#getAdapter(Class<T>), unless you override another implementation of that method that still uses the old signature. Typical change: Old: public Object getAdapter(Class adapter) { if (ICompilationUnit.class.equals(adapter)) return getCompilationUnit(); return null; } New: @SuppressWarnings("unchecked") public <T> T getAdapter(Class<T> adapter) { if (ICompilationUnit.class.equals(adapter)) return (T) getCompilationUnit(); return null; } 5. Update implementations of IAdapterFactory Hint for 4. & 5.: - Open Type Hierarchy on IAdaptable, etc. - In the view menu, select a working set that contains your projects - In the methods list of the Type Hierarchy view, select the methods, and then click the first toolbar button (Lock View and Show Members in Hierarchy) Tom
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