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onError callback throws "this._uploadData.retrieve(...) is undefined" #2067

gullevek opened this Issue Oct 31, 2018 · 0 comments


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gullevek commented Oct 31, 2018

Type of issue

  • Bug report

Uploader type

  • Traditional
  • S3

Note: Support requests cannot be accepted due to lack of time.

Bug Report

Fine Uploader version


Browsers where the bug is reproducible

Any browser

Operating systems where the bug is reproducible


Exact steps required to reproduce the issue

For example:

  1. Multiple uploads on
  2. validate on item limit (eg 3)
  3. Drag too many files (eg 4)

All relevant Fine Uploader-related code that you have written

Your Fine Uploader template markup (if using Fine Uploader UI and the issue is UI-related)

{simply copy and paste your template markup}

Detailed explanation of the problem

{describe the bug here}

[Fine Uploader 5.16.2] Caught exception in 'onError' callback - this._uploadData.retrieve(...) is undefined util.js:241:42 qq.log util.js:241:42 log uploader.basic.api.js:304:16 safeCallback uploader.basic.api.js:1964:20 _wrapCallbacks/</self._options.callbacks[callbackName] uploader.basic.api.js:1975:31 _batchError uploader.basic.api.js:502:12 _batchError uploader.api.js:662:12 _onValidateBatchCallbackSuccess uploader.basic.api.js:1684:16 qq.bind/< util.js:691:23 _handleCheckedCallback uploader.basic.api.js:1086:16 _prepareItemsForUpload uploader.basic.api.js:1723:12 _prepareItemsForUpload uploader.api.js:685:12 addFiles uploader.basic.api.js:110:16 processingDroppedFilesComplete uploader.api.js:150:28 uploadDroppedFiles dnd.js:29:8 onDrop/< dnd.js:180:24 then promise.js:32:16 onDrop dnd.js:178:61 attachEvents/< dnd.js:481:16
and therefore any callbacks hang then

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