Could you share the full stack trace of any errors? This exception appears 
to be truncated. We do have two new, Java17-specific errors, but there 
isn't enough information here to see if it is related to a known issue. 

It might also be helpful to compile for production instead of running in 
super dev mode - the stack trace is sometimes more useful that way, by 
giving better context of what was attempting to be compiled.

Can either discuss here briefly or just go ahead and file the issues you've 
encountered, and we can triage on the issue tracker.

On Friday, November 15, 2024 at 3:20:58 PM UTC-6 [email protected] wrote:

> I switched 2 of my projects from 2.11.0 to 2.12.1, and got an 
> InternalCompilerException error on both when running in Eclipse with the 
> GWT plugin.
>
> Unrelated to that (or maybe it is), I was having another problem I was 
> hoping to get some direction on.  I will post it separately in its own 
> thread, though.
>
> GET /recompile/com.insightxp.i2g.I2g
>
> Job com.insightxp.i2g.I2g_1_0
>
> starting job: com.insightxp.i2g.I2g_1_0
>
> binding: locale=en
>
> binding: user.agent=safari
>
> Compiling module com.insightxp.i2g.I2g
>
> [ERROR] An internal compiler exception occurred
>
> com.google.gwt.dev.jjs.InternalCompilerException: Unexpected error during 
> visit.
>
> at com.google.gwt.dev.jjs.ast.JVisitor.translateException(
> JVisitor.java:111)
>
> at com.google.gwt.dev.jjs.ast.JModVisitor.accept(JModVisitor.java:276)
>
> at com.google.gwt.dev.jjs.ast.JModVisitor.accept(JModVisitor.java:265)
>
> at com.google.gwt.dev.jjs.ast.JVisitor.accept(JVisitor.java:118)
>
> at com.google.gwt.dev.jjs.ast.JCastOperation.traverse(
> JCastOperation.java:76)
>
> at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(JModVisitor.java:361)
>
> On Tuesday, October 29, 2024 at 10:22:14 AM UTC-4 Colin Alworth wrote:
>
>> GWT 2.12 is here!
>>
>> Highlights:
>>
>>    - Added support for Java 12-17 language features, including text 
>>    blocks, instanceof pattern matching, records, and switch expressions.
>>    - Minimum Java version 11 is required to run any dev tools, though 
>>    the server code should continue to function with Java 8 for this release. 
>>    Later versions may no longer support Java 8. Tested to run on Java 11-23.
>>    - Added support for sourcemaps to include the contents of the sources 
>>    files.
>>    - Enabled sourcemaps by default in all browsers
>>    - Fix CSP issues in linkers and dev mode, provide CSP workarounds for 
>>    GWT-RPC payloads
>>
>> See https://github.com/gwtproject/gwt/releases/tag/2.12.0 or 
>> https://www.gwtproject.org/release-notes.html#Release_Notes_2_12_0 for 
>> the complete release notes.
>> This was a shorter release cycle than we've done in the past, and we're 
>> taking steps to simplify some of the processes we use, while still ensuring 
>> that projects can continue to update with a minimum of friction. Thanks to 
>> our testers, reviewers, committers in this release! A short list of the 
>> names that helped bring us this release: Ahmad Bawaneh, Michael S., Dmitrii 
>> Tikhomirov, Zbynek Konecny, Paul Kintner, George Paret, Daniel Portmann, 
>> Frank Hossfeld, Joan Pablo Gardella, Jens Nehlmeier, Thomas Broyer,
>>
>> Join us on the issue tracker <https://github.com/gwtproject/gwt/issues> 
>> or at our OpenCollective page <https://opencollective.com/gwt-project> 
>> to help make future releases.possible.
>>
>>  
>
>

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