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
} else if (PREF_COMPLIANCE.equals(changedKey)) {
				if (checkValue(INTR_DEFAULT_COMPLIANCE, DEFAULT)) {
					updateComplianceDefaultSettings();
				}
				fComplianceStatus= validateCompliance();
			} else if (PREF_SOURCE_COMPATIBILITY.equals(changedKey) ||
					PREF_CODEGEN_TARGET_PLATFORM.equals(changedKey) ||
					PREF_PB_ASSERT_AS_IDENTIFIER.equals(changedKey)) {
				fComplianceStatus= validateCompliance();
			} else if (PREF_PB_MAX_PER_UNIT.equals(changedKey)) {
				fMaxNumberProblemsStatus= validateMaxNumberProblems();
			} else if (PREF_RESOURCE_FILTER.equals(changedKey)) {
				fResourceFilterStatus= validateResourceFilters();
			} else if (PREF_COMPILER_TASK_TAGS.equals(changedKey)) {
				fTaskTagsStatus= validateTaskTags();
			} else {
				return;
			}
		} else {
			updateComplianceEnableState();
			fComplianceStatus= validateCompliance();
			fMaxNumberProblemsStatus= validateMaxNumberProblems();
			fResourceFilterStatus= validateResourceFilters();
			fTaskTagsStatus= validateTaskTags();
		}		
		IStatus status= StatusUtil.getMostSevere(new IStatus[] { fComplianceStatus, fMaxNumberProblemsStatus, fResourceFilterStatus, fTaskTagsStatus });
		updateStatus(status);
	}
	
	private IStatus validateCompliance() {