Bug 18220 Build 20020529 Error importing from source
When I import org.eclipse.jdt.debug from source I get the following error This resource is a duplicate and was not copied to the output folder MANIFEST.MF org.eclipse.jdt.debug/src-jdimodel/META-INF STEPS 1) Select Import - Plug-ins 2) Choose "Extraxt source archives" 3) Import org.eclipse.jdt.debug
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerPreferencePage.java
private static final String PREF_RESOURCE_FILTER= JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER;
	private static final String PREF_BUILD_INVALID_CLASSPATH= JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH;
	private static final String PREF_PB_INCOMPLETE_BUILDPATH= JavaCore.CORE_INCOMPLETE_CLASSPATH;
	private static final String PREF_PB_CIRCULAR_BUILDPATH= JavaCore.CORE_CIRCULAR_CLASSPATH;
	private static final String PREF_COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE= JavaCore.COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE;
	private static final String PREF_COMPILER_TASK_TAGS= JavaCore.COMPILER_TASK_TAGS;
	private static final String INTR_DEFAULT_COMPLIANCE= "internal.default.compliance"; 
	
	private static final String GENERATE= JavaCore.GENERATE;
	private static final String DO_NOT_GENERATE= JavaCore.DO_NOT_GENERATE;
	
	private static final String PRESERVE= JavaCore.PRESERVE;
	private static final String OPTIMIZE_OUT= JavaCore.OPTIMIZE_OUT;
	
	private static final String VERSION_1_1= JavaCore.VERSION_1_1;
	private static final String VERSION_1_2= JavaCore.VERSION_1_2;
	private static final String VERSION_1_3= JavaCore.VERSION_1_3;
	private static final String VERSION_1_4= JavaCore.VERSION_1_4;
	
	private static final String ERROR= JavaCore.ERROR;
	private static final String WARNING= JavaCore.WARNING;
	private static final String IGNORE= JavaCore.IGNORE;
	private static final String ABORT= JavaCore.ABORT;
	private static final String ENABLED= JavaCore.ENABLED;
	private static final String DISABLED= JavaCore.DISABLED;
	
	private static final String DEFAULT= "default"; 
	private static final String USER= "user";	 
	private static String[] getAllKeys() {
		return new String[] {