null pointer exception in networkResponse.statusCode

Description

try {
        String localVarResponse = apiInvoker.invokeAPI (basePath, path, "GET", queryParams, postBody, headerParams, formParams, contentType, authNames);
        if(localVarResponse != null){
           return (Lxlresponse) ApiInvoker.deserialize(localVarResponse, "", Lxlresponse.class);
        } else {
           return null;
        }
      } catch (ApiException ex) {
         throw ex;
      } catch (InterruptedException ex) {
         throw ex;
      } catch (ExecutionException ex) {

         if(ex.getCause() instanceof VolleyError) {

             throw new ApiException(((VolleyError) ex.getCause()).networkResponse.statusCode, ((VolleyError) ex.getCause()).getMessage());
         }
         throw ex;
      } catch (TimeoutException ex) {
         throw ex;
      }
  }

Contributor guide

Tech stack

javaandroid

Domain

mobileapi

Issue type

bug

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

2

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

under 1 hour

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

stale

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

clear

Prerequisites

JavaAndroidVolleyNull safety

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

80

Research direction

The NullPointerException occurs in the generated Android client code within the ApiInvoker.java file, specifically in the catch block for ExecutionException. The issue is at the line accessing networkResponse.statusCode on a potentially null VolleyError's networkResponse. The fix involves adding null checks for the cause and its networkResponse before throwing the ApiException. Examine the swagger codegen project's Android template to locate the exact file and implement the null safety check.