调用qrCodeCreateTmpTicket报NullPointerException #167
Description
外部调用代码段：
MainConfig mConfig = new MainConfig();
wxMpService = mConfig.wxMpService();
WxMpQrCodeTicket ticket = wxMpService.getQrcodeService().qrCodeCreateTmpTicket(1, 240);
报如下异常信息：
java.lang.NullPointerException
at me.chanjar.weixin.mp.api.impl.WxMpServiceImpl.getAccessToken(WxMpServiceImpl.java:115)
at me.chanjar.weixin.mp.api.impl.WxMpServiceImpl.executeInternal(WxMpServiceImpl.java:402)
at me.chanjar.weixin.mp.api.impl.WxMpServiceImpl.execute(WxMpServiceImpl.java:368)
at me.chanjar.weixin.mp.api.impl.WxMpQrcodeServiceImpl.qrCodeCreateTmpTicket(WxMpQrcodeServiceImpl.java:45)
at com.sitewhere.web.mvc.controllers.EduInterfaceController.code(EduInterfaceController.java:142)
其中WxMpServiceImpl.java:115如下：
CloseableHttpResponse response = getHttpclient().execute(httpGet);
String resultContent = new BasicResponseHandler().handleResponse(response);
WxError error = WxError.fromJson(resultContent);
if (error.getErrorCode() != 0) {
throw new WxErrorException(error);
}