Program: 14166
Project: 14166
Buggy source:
@Override protected List<Map<String,Object>> doInBackground(Void... notUsed){
  if (TextUtils.isEmpty(mSelfHostedUrl)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(mSelfHostedUrl);
    return null;
  }
  String baseURL=UrlUtils.convertUrlToPunycodeIfNeeded(mSelfHostedUrl);
  baseURL=UrlUtils.addUrlSchemeIfNeeded(baseURL,false);
  if (!URLUtil.isValidUrl(baseURL)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(baseURL);
    return null;
  }
  String xmlrpcUrl=getSelfHostedXmlrpcUrl(baseURL);
  if (xmlrpcUrl == null) {
    if (mErroneousSslCertificate || mHttpAuthRequired || mErrorMsgId == org.wordpress.android.R.string.xmlrpc_missing_method_error) {
      return null;
    }
    if (mErrorMsgId == 0) {
      mErrorMsgId=org.wordpress.android.R.string.no_site_error;
    }
    return null;
  }
  if (!URLUtil.isValidUrl(xmlrpcUrl)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(xmlrpcUrl);
    return null;
  }
  URI xmlrpcUri;
  xmlrpcUri=URI.create(xmlrpcUrl);
  XMLRPCClientInterface client=XMLRPCFactory.instantiate(xmlrpcUri,mHttpUsername,mHttpPassword);
  Object[] params={mUsername,mPassword};
  try {
    Object[] userBlogs=(Object[])client.call(Method.GET_BLOGS,params);
    if (userBlogs == null) {
      mErrorMsgId=org.wordpress.android.R.string.xmlrpc_malformed_response_error;
      mClientResponse=client.getResponse();
      return null;
    }
    Arrays.sort(userBlogs,BlogUtils.BlogNameComparator);
    List<Map<String,Object>> userBlogList=new ArrayList<Map<String,Object>>();
    for (    Object blog : userBlogs) {
      try {
        userBlogList.add((Map<String,Object>)blog);
      }
 catch (      ClassCastException e) {
        AppLog.e(T.NUX,"String_Node_Str");
      }
    }
    return userBlogList;
  }
 catch (  XmlPullParserException parserException) {
    mErrorMsgId=org.wordpress.android.R.string.xmlrpc_error;
    AppLog.e(T.NUX,"String_Node_Str",parserException);
  }
catch (  XMLRPCFault xmlRpcFault) {
    handleXmlRpcFault(xmlRpcFault);
  }
catch (  XMLRPCException xmlRpcException) {
    AppLog.e(T.NUX,"String_Node_Str",xmlRpcException);
    mErrorMsgId=org.wordpress.android.R.string.no_site_error;
  }
catch (  SSLHandshakeException e) {
    if (WPUrlUtils.isWordPressCom(xmlrpcUri)) {
      mErroneousSslCertificate=true;
    }
    AppLog.w(T.NUX,"String_Node_Str");
  }
catch (  ConnectTimeoutException e) {
    AppLog.e(T.NUX,"String_Node_Str",e);
    mErrorMsgId=org.wordpress.android.R.string.site_timeout_error;
  }
catch (  IOException e) {
    AppLog.e(T.NUX,"String_Node_Str",e);
    mErrorMsgId=org.wordpress.android.R.string.no_site_error;
  }
  mClientResponse=client.getResponse();
  return null;
}

Fixed version (ground truth):
@Override protected List<Map<String,Object>> doInBackground(Void... notUsed){
  if (TextUtils.isEmpty(mSelfHostedUrl)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(mSelfHostedUrl);
    return null;
  }
  String baseURL=UrlUtils.convertUrlToPunycodeIfNeeded(mSelfHostedUrl);
  baseURL=UrlUtils.addUrlSchemeIfNeeded(baseURL,false);
  if (!URLUtil.isValidUrl(baseURL)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(baseURL);
    return null;
  }
  String xmlrpcUrl=getSelfHostedXmlrpcUrl(baseURL);
  if (xmlrpcUrl == null) {
    if (mErroneousSslCertificate || mHttpAuthRequired || mErrorMsgId == org.wordpress.android.R.string.xmlrpc_missing_method_error) {
      return null;
    }
    if (mErrorMsgId == 0) {
      mErrorMsgId=org.wordpress.android.R.string.no_site_error;
    }
    return null;
  }
  if (!URLUtil.isValidUrl(xmlrpcUrl)) {
    mErrorMsgId=org.wordpress.android.R.string.invalid_site_url_message;
    trackInvalidInsertedURL(xmlrpcUrl);
    return null;
  }
  URI xmlrpcUri;
  xmlrpcUri=URI.create(xmlrpcUrl);
  XMLRPCClientInterface client=XMLRPCFactory.instantiate(xmlrpcUri,mHttpUsername,mHttpPassword);
  Object[] params={mUsername,mPassword};
  try {
    Object[] userBlogs=(Object[])client.call(Method.GET_BLOGS,params);
    if (userBlogs == null) {
      mErrorMsgId=org.wordpress.android.R.string.xmlrpc_malformed_response_error;
      mClientResponse=client.getResponse();
      return null;
    }
    Arrays.sort(userBlogs,BlogUtils.BlogNameComparator);
    List<Map<String,Object>> userBlogList=new ArrayList<Map<String,Object>>();
    for (    Object blog : userBlogs) {
      try {
        userBlogList.add((Map<String,Object>)blog);
      }
 catch (      ClassCastException e) {
        AppLog.e(T.NUX,"String_Node_Str");
      }
    }
    return userBlogList;
  }
 catch (  XmlPullParserException parserException) {
    mErrorMsgId=org.wordpress.android.R.string.xmlrpc_error;
    AppLog.e(T.NUX,"String_Node_Str",parserException);
  }
catch (  XMLRPCFault xmlRpcFault) {
    handleXmlRpcFault(xmlRpcFault);
  }
catch (  XMLRPCException xmlRpcException) {
    AppLog.e(T.NUX,"String_Node_Str",xmlRpcException);
    mErrorMsgId=org.wordpress.android.R.string.no_site_error;
  }
catch (  SSLHandshakeException e) {
    if (!WPUrlUtils.isWordPressCom(xmlrpcUri)) {
      mErroneousSslCertificate=true;
    }
    AppLog.w(T.NUX,"String_Node_Str");
  }
catch (  ConnectTimeoutException e) {
    AppLog.e(T.NUX,"String_Node_Str",e);
    mErrorMsgId=org.wordpress.android.R.string.site_timeout_error;
  }
catch (  IOException e) {
    AppLog.e(T.NUX,"String_Node_Str",e);
    mErrorMsgId=org.wordpress.android.R.string.no_site_error;
  }
  mClientResponse=client.getResponse();
  return null;
}