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Unable to find 'columns' in class com.google.gwt.user.client.ui.HTML #6486

Closed dankurka closed 9 years ago

dankurka commented 9 years ago

Originally reported on Google Code with ID 6487

Getting "java.lang.IllegalArgumentException: Unable to find 'columns' in class com.google.gwt.user.client.ui.HTML"
when trying to open my gui class with GWT Designer 2.4 Beta

Found in GWT Release (e.g. 1.5.3, 1.6 RC): GPE 2.4 Beta / GWT Designer 2.4 Beta

Encountered on OS / Browser (e.g. WinXP, IE6-7, FF3): N/A

Detailed description (please be as specific as possible):

Not much to say. When I try to open my class in GWT Designer, the GUI editor fails
to come up.

Shortest code snippet which demonstrates issue (please indicate where
actual result differs from expected result):

Attaching GWT Designer bug report

Workaround if you have one:

None yet unfortunately. This is a serious error for me. I am using GWT Designer 2.4
to avoid a bug in GWT 2.2 and 2.3. So, Can't really go back.

Links to relevant GWT Developer Forum posts:

Reported by chuck.irvine.ks on 2011-06-17 14:14:09

dankurka commented 9 years ago 
Discovered a workaround. When the error window comes up, hitting the "Reparse" button
causes the designer screen to come up correctly.

Reported by chuck.irvine.ks on 2011-06-20 13:23:14

dankurka commented 9 years ago

Reported by clayberg@google.com on 2011-10-04 16:57:12

dankurka commented 9 years ago 
Can not reproduce.
I can add CellTable without any problem.

Reported by scheglov@google.com on 2011-10-06 15:58:13

dankurka commented 9 years ago 
I also started getting this error randomly, and the workaround posted doesn't work.

Reported by mark.freedman on 2012-11-09 13:49:53