#vulnerable code 
                                @Override
    public Optional<Value> solveSymbolAsValue(String name, TypeSolver typeSolver) {
        return JavaParserFactory.getContext(wrappedNode.getParentNode()).solveSymbolAsValue(name, typeSolver);
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                @Override
    public Optional<Value> solveSymbolAsValue(String name, TypeSolver typeSolver) {
        return getParent().solveSymbolAsValue(name, typeSolver);
    }