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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"公众号开发永久下载图片和声音的接口 materialImageOrVoiceDownload 无法正常刷新 AccessToken","articleBody":"## 第一次提Issue 暂时不会提PR 麻烦修复一下这个BUG\r\n\r\n### 简要描述\r\n__请简单概括描述下你所遇到的问题。__\r\n\r\n### 模块版本情况\r\n* WxJava 模块名:  weixin-java-mp\r\n* WxJava 版本号:  4.5.0\r\n具体的包名：me.chanjar.weixin.mp.util.requestexecuter.material\r\n\r\n### 详细描述\r\n正常刷新Token的逻辑：只有抛出异常了，才会去刷新 AccessToken \r\n\r\n```\r\n  public \u003cT, E\u003e T execute(RequestExecutor\u003cT, E\u003e executor, String uri, E data) throws WxErrorException {\r\n    int retryTimes = 0;\r\n    do {\r\n      try {\r\n        return this.executeInternal(executor, uri, data, false);\r\n      } catch (WxErrorException e) {\r\n        WxError error = e.getError();\r\n        // -1 系统繁忙, 1000ms后重试\r\n        if (error.getErrorCode() == -1) {\r\n          // 判断是否已经超了最大重试次数\r\n          if (retryTimes + 1 \u003e this.maxRetryTimes) {\r\n            log.warn(\"重试达到最大次数【{}】\", maxRetryTimes);\r\n            //最后一次重试失败后，直接抛出异常，不再等待\r\n            throw new WxRuntimeException(\"微信服务端异常，超出重试次数\");\r\n          }\r\n\r\n          int sleepMillis = this.retrySleepMillis * (1 \u003c\u003c retryTimes);\r\n          try {\r\n            log.warn(\"微信系统繁忙，{} ms 后重试(第{}次)\", sleepMillis, retryTimes + 1);\r\n            Thread.sleep(sleepMillis);\r\n          } catch (InterruptedException e1) {\r\n            throw new WxRuntimeException(e1);\r\n          }\r\n        } else {\r\n          throw e;\r\n        }\r\n      }\r\n    } while (retryTimes++ \u003c this.maxRetryTimes);\r\n\r\n    log.warn(\"重试达到最大次数【{}】\", this.maxRetryTimes);\r\n    throw new WxRuntimeException(\"微信服务端异常，超出重试次数\");\r\n  }\r\n```\r\n这三个是下载永久 声音和图片的实现类\r\n```\r\n  public static RequestExecutor\u003cInputStream, String\u003e create(RequestHttp requestHttp, File tmpDirFile) {\r\n    switch (requestHttp.getRequestType()) {\r\n      case APACHE_HTTP:\r\n        return new MaterialVoiceAndImageDownloadApacheHttpRequestExecutor(requestHttp, tmpDirFile);\r\n      case JODD_HTTP:\r\n        return new MaterialVoiceAndImageDownloadJoddHttpRequestExecutor(requestHttp, tmpDirFile);\r\n      case OK_HTTP:\r\n        return new MaterialVoiceAndImageDownloadOkhttpRequestExecutor(requestHttp, tmpDirFile);\r\n      default:\r\n        return null;\r\n    }\r\n  }\r\n\r\n```\r\n问题发生在 获取微信IO流的时候，没有正确判断ContentType 导致没有及时报错导致的：\r\nMaterialVoiceAndImageDownloadOkhttpRequestExecutor\r\n```\r\n  @Override\r\n  public InputStream execute(String uri, String materialId, WxType wxType) throws WxErrorException, IOException {\r\n    logger.debug(\"MaterialVoiceAndImageDownloadOkhttpRequestExecutor is running\");\r\n    OkHttpClient client = requestHttp.getRequestHttpClient();\r\n\r\n    RequestBody requestBody = RequestBody.create(MediaType.parse(\"application/json\"),\r\n      WxGsonBuilder.create().toJson(ImmutableMap.of(\"media_id\", materialId)));\r\n    Request request = new Request.Builder().url(uri).get().post(requestBody).build();\r\n    Response response = client.newCall(request).execute();\r\n    String contentTypeHeader = response.header(\"Content-Type\");\r\n    // 问题发生在这个判断，没有及时抛出 微信异常，导致的，因为微信返回的ContentType 是application/json; encoding=utf-8\r\n    if (\"text/plain\".equals(contentTypeHeader)) {\r\n      String responseContent = response.body().string();\r\n      throw new WxErrorException(WxError.fromJson(responseContent, WxType.MP));\r\n    }\r\n    \r\n    try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); BufferedSink sink = Okio.buffer(Okio.sink(outputStream))) {\r\n      sink.writeAll(response.body().source());\r\n      return new ByteArrayInputStream(outputStream.toByteArray());\r\n    }\r\n  }\r\n```\r\n代码修复 只需要增加 这个application/json判断即可 \r\n\r\n\r\n\r\n\r\n### ApiPost 返回\r\n![image](https://github.com/Wechat-Group/WxJava/assets/26403954/fae2f11d-8976-4f68-8d87-4b7477dca6c9)\r\n\r\n![image](https://github.com/Wechat-Group/WxJava/assets/26403954/ecdf81e5-0de6-4b3b-9281-7b230420ca1d)\r\n\r\n\r\n \r\n","author":{"url":"https://github.com/shenliuming","@type":"Person","name":"shenliuming"},"datePublished":"2023-12-26T12:19:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/3196/WxJava/issues/3196"}