I have a lot of these errors:
Uncaught TypeError: Cannot read property 'length' of undefined
at Object.grid.$connector.clear (gridConnector.js:686)
at Object.eval (eval at jt (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:975), <anonymous>:3:15)
at jt (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:975)
at it (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:931)
at gt (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:557)
at Pq (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:478)
at lr.mr [as W]
(client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:983)
at eA (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:866)
at Rq (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:978)
at fr.gr [as D]
(client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:983)
at Bj (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:411)
at Jq (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:979)
at Kq (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:963)
at Ws.Ys [as qb]
(client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:983)
at IA.JA [as K]
(client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:983)
at XMLHttpRequest.<anonymous> (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:571)
at sb (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:425)
at vb (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:850)
at XMLHttpRequest.<anonymous> (client-3B1D64116B46DEBA7ADE32AB75416693.cache.js:589)
When such an error occurs strange things happen:
- Empty rows in Grid
- Duplicate rows in TreeGrid
I tried various versions of Vaadin Flow but this always happens.