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# questionss
Slackbot
10/04/2023, 12:05 PMThis message was deleted.
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Mike Saubier
10/04/2023, 12:47 PMa
Armando
10/04/2023, 12:56 PM@Mike Saubier Why did you delete your reply? I was checking it and it actually relates to my problem. I downloaded Grails 6 like you from the download link on the Grails website and did the upgrade. I'm reading now your github ticket to see if I can find something helpful for me. Please keep me updated if you find a solution. I will do the same. Thank you.
Armando
10/04/2023, 1:00 PMArmando
10/04/2023, 1:02 PM@Mike Saubier Can you share with me a new app created with Grails 6 which is installed using sdkman? That would be helpful for me to update my app. Thanks
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Mike Saubier
10/04/2023, 1:06 PMAt the bottom of that ticket, they provide a comparison to help us modify our apps to work. Looks like mainly some updates to build.gradle, but I won't get a chance to really look at it until later today. I would suggest reviewing that comparison to see if it helps you. I will try to post something once I've been able to work on it myself.
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Armando
10/04/2023, 1:07 PMI think it's the same generated from here https://start.grails.org/ right?
Armando
10/04/2023, 1:07 PMWill check it and try it myself
Armando
10/04/2023, 2:52 PM@Mike Saubier Applying the differences didn't make any difference. The same error is still occurring...
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Mike Saubier
10/04/2023, 3:07 PMI was able to get a simple test application working by basically copying the build.gradle and settings.gradle files from the sample "website" application they provided a link for in the ticket. I plan on working on making similar updates to our main application at some point today to see if I can get it working.
Mike Saubier
10/04/2023, 3:09 PMThe "preview" option on the Grails Forge seems to be another good way to compare files like build.gradle, gradle.properties, settings.gradle, etc.. https://start.grails.org/
Mike Saubier
10/04/2023, 3:15 PMAlso, make sure you are using Gradle 7.6.2. I took it from the "website" app they provided and replaced Gradle 7.2 that was initially included in the test app I created using the "create-app" command.
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Armando
10/04/2023, 3:22 PM@Mike Saubier I already upgraded Gradle to version 7.6.2 and changed my app's build.gradle & settings.gradle to the correct one but still my app works fine on IntelliJ but the same error occurs on Tomcat 9 š©
Armando
10/04/2023, 3:23 PMNothing changed
Armando
10/04/2023, 3:23 PMThe gradle warning is pretty annoying by the way
Copy code
Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0.
You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins.Armando
10/04/2023, 3:26 PMBy the way there are differences that look strange. Like not having grailsw grailsw.bat and grails-wrapper.jar.... also Bootstrap.groovy doesn't exist anymore!
Armando
10/04/2023, 3:26 PMI haven't removed those, it doesn't look correct
Armando
10/04/2023, 3:54 PMBy the way even a new app created by Grails forge https://start.grails.org/ has the same issue..
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Mike Saubier
10/04/2023, 7:37 PMThe app I'm upgrading from v5 to v6 seems to be working now, although we have a lot more testing to perform. After reviewing the "website" project provided by the Grails team in the ticket and Grails Forge, I ended up making some updates to build.gradle, gradle.properties, and settings.gradle. One of the most important updates for me was adding in the
tasks.withType(War)a
Armando
10/05/2023, 12:34 PM@Mike Saubier After lots of tests and comparisons, I found out why my app is not starting on Tomcat. I fixed the issue by:
ā¢ Excluding the spring-boot-cli dependency which is used by the grails-shell plugin I use. Apparently spring-boot-cli has its own WebApplicationInitializer which usually starts the war from from it instead of GrailsAppServletInitializer.
ā¢ Making sure that jakarta.annotation-api is included in the generated war file. It wasn't before since I put spring-boot-starter-tomcat as providedCompile to not be included in the war file.
Now everything works fine.
Armando
10/05/2023, 12:34 PMBut still I didn't get the Grails 6 framework binary from sdkman. Couldn't make sdk work on my PC.
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Mike Saubier
10/05/2023, 1:04 PMGlad you got it working, @Armando!
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Armando
10/05/2023, 1:29 PM@Mike Saubier Thank you š