Bug 55399 exception on Code Style preference page
Nightly build 0319 - start a new eclipse install - show the Java > Code Style preference page - will get the attached exception
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/NameConventionConfigurationBlock.java
PreferencesMessages.getString("NameConventionConfigurationBlock.list.suffix.column"),			 
		};
		ColumnLayoutData[] data= new ColumnLayoutData[] {
			new ColumnWeightData(3),
			new ColumnWeightData(2),
			new ColumnWeightData(2)
		};
		
		fNameConventionList.setTableColumns(new ListDialogField.ColumnsDescription(data, columnsHeaders, true));
		unpackEntries();
		if (fNameConventionList.getSize() > 0) {
			fNameConventionList.selectFirstElement();
		} else {
			fNameConventionList.enableButton(0, false);
		}
		IPreferenceStore preferenceStore= PreferenceConstants.getPreferenceStore();
		
		fExceptionName= new StringDialogField();
		fExceptionName.setDialogFieldListener(adapter);
		fExceptionName.setLabelText(PreferencesMessages.getString("NameConventionConfigurationBlock.exceptionname.label")); 
		fExceptionName.setText(preferenceStore.getString(PREF_EXCEPTION_NAME));
		
		
		fUseKeywordThisBox= new SelectionButtonDialogField(SWT.CHECK | SWT.WRAP);		
		fUseKeywordThisBox.setLabelText(PreferencesMessages.getString("NameConventionConfigurationBlock.keywordthis.label")); 
		fUseKeywordThisBox.setSelection(preferenceStore.getBoolean(PREF_KEYWORD_THIS));
		
		
		fUseIsForBooleanGettersBox= new SelectionButtonDialogField(SWT.CHECK | SWT.WRAP);		
		fUseIsForBooleanGettersBox.setLabelText(PreferencesMessages.getString("NameConventionConfigurationBlock.isforbooleangetters.label"));