Re: GWT Dev Conflict with Spring Boot 3.4 and Google GSON

Woops, spoke a little too soon.  It's not possible to clean up and remove it from gwt-dev, as the code server needs it.

So, I need 2 versions of Google GSON.  2.6.2 for GWT, and 2.11.0 for Spring Boot.

On Thursday, 9 January 2025 at 1:28:39 pm UTC+11 Craig Mitchell wrote:

When upgrading from Spring Boot 3.3 to 3.4, my app still compiles, but when I run it, crashes with:

Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
[2025-01-09 12:36:47.028] - 13568 SEVERE [restartedMain] --- org.springframework.boot.SpringApplication: Application run failed
java.lang.NoClassDefFoundError: com/google/gson/Strictness

Others have reported the same issue, but with different causes:  https://github.com/spring-projects/spring-boot/issues/43442

When I look at who is using GSON, it's gwt-dev.jar:

[INFO] teamdrift:drift-team-client:gwt-app:1.0-SNAPSHOT
[INFO] +- org.gwtproject:gwt-dev:jar:2.12.1:compile
[INFO] |  +- com.google.code.gson:gson:jar:2.6.2:compile

I can fix it by adding the newer version to my server:

<dependency>
  <groupId>com.google.code.gson</groupId>
  <artifactId>gson</artifactId>
  <version>2.11.0</version>
</dependency>

And optionally, to clean up so the old version, remove it from my client gwt-dev:

<dependency>
  <groupId>org.gwtproject</groupId>
  <artifactId>gwt-dev</artifactId>
  <exclusions>
    <exclusion>
      <groupId>com.google.code.gson</groupId>
      <artifactId>gson</artifactId>
    </exclusion>
  </exclusions>
</dependency>

Is this the best fix?  Or is there something better?

Thanks.

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