Ignore javadoc copy errors for constructors

Lombok should not crash if it cannot copy or generate javadoc for
generated code. We have already added this try...catch to all other
javadoc copy methods.

src/core/lombok/eclipse/handlers/HandleConstructor.java

@@ -588,25 +588,27 @@ public class HandleConstructor {
 	}
 	
 	private void generateConstructorJavadoc(EclipseNode typeNode, EclipseNode constructorNode, Collection<EclipseNode> fields) {
-		if (fields.isEmpty()) return;
+		try {
+			if (fields.isEmpty()) return;
 		
-		String constructorJavadoc = getConstructorJavadocHeader(typeNode.getName());
-		boolean fieldDescriptionAdded = false;
-		for (EclipseNode fieldNode : fields) {
-			String paramName = String.valueOf(removePrefixFromField(fieldNode));
-			String fieldJavadoc = getDocComment(fieldNode);
-			String paramJavadoc = getConstructorParameterJavadoc(paramName, fieldJavadoc);
-			
-			if (paramJavadoc == null) {
-				paramJavadoc = "@param " + paramName;
-			} else {
-				fieldDescriptionAdded = true;
+			String constructorJavadoc = getConstructorJavadocHeader(typeNode.getName());
+			boolean fieldDescriptionAdded = false;
+			for (EclipseNode fieldNode : fields) {
+				String paramName = String.valueOf(removePrefixFromField(fieldNode));
+				String fieldJavadoc = getDocComment(fieldNode);
+				String paramJavadoc = getConstructorParameterJavadoc(paramName, fieldJavadoc);
+				
+				if (paramJavadoc == null) {
+					paramJavadoc = "@param " + paramName;
+				} else {
+					fieldDescriptionAdded = true;
+				}
+				
+				constructorJavadoc = addJavadocLine(constructorJavadoc, paramJavadoc);
 			}
-			
-			constructorJavadoc = addJavadocLine(constructorJavadoc, paramJavadoc);
-		}
-		if (fieldDescriptionAdded) {
-			setDocComment(typeNode, constructorNode, constructorJavadoc);
-		}
+			if (fieldDescriptionAdded) {
+				setDocComment(typeNode, constructorNode, constructorJavadoc);
+			}
+		} catch (Exception ignore) {}
 	}
 }