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| author | mlindfors <majuli@vaadin.com> | 2019-02-04 13:54:09 +0200 |
|---|---|---|
| committer | Anastasia Smirnova <anasmi@utu.fi> | 2019-02-04 13:54:09 +0200 |
| commit | 4c1919c6ec83ef60f44e688aafe83a2eaf25ef97 (patch) | |
| tree | 94d0ca6799ee917091b5e8e2b5235dec06119ca1 /CONTRIBUTING.md | |
| parent | 18ce7e396540906649388179149abf59880d69ee (diff) | |
| download | vaadin-framework-4c1919c6ec83ef60f44e688aafe83a2eaf25ef97.tar.gz vaadin-framework-4c1919c6ec83ef60f44e688aafe83a2eaf25ef97.zip | |
Fix an NPE caused by the previous fix to Grid's frozen columns (#11444)
* Fix an NPE caused by the previous fix to Grid's frozen columns (#10653)
If the user managed to get two frozen column count changes into a single server round-trip before the component had been attached, the previous fix #11346 lead to a null pointer exception since there was no diff state available.
This fix adds a null check before removing the frozen column count value from the diff state so that this will not happen.
Closes #10653
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