grails/grails-gradle-plugin#257
Previously worked prior to Grails 6.1.0
Demo
git clone https://github.com/codeconsole/grails6bugs
cd grails6bugs
./gradlew clean bootJar
# notice src/main/webapp/test/hello.gsp was correctly compiled
unzip -l build/libs/grails6bugs-0.1.jar|grep hello_gsp\.class
# notice hello.gsp is missing from views.properties
unzip -p build/libs/grails6bugs-0.1.jar BOOT-INF/classes/gsp/views.properties|grep hello_gsp
Notice /test/hello.gsp gsp is missing in /build/gsp-classes/main/gsp/views.properties
#Precompiled views for grails6bugs
#Mon Nov 20 10:23:18 CST 2023
/WEB-INF/grails-app/views/error.gsp=gsp_grails6bugserror_gsp
/WEB-INF/grails-app/views/index.gsp=gsp_grails6bugsindex_gsp
/WEB-INF/grails-app/views/layouts/main.gsp=gsp_grails6bugs_layoutsmain_gsp
/WEB-INF/grails-app/views/notFound.gsp=gsp_grails6bugsnotFound_gsp
Now verify it worked in Grails 6.0.0
git checkout fix
./gradlew clean bootJar
unzip -p build/libs/grails6bugs-0.1.jar BOOT-INF/classes/gsp/views.properties|grep hello_gsp
Notice /test/hello.gsp is now listed
#Precompiled views for grails6bugs
#Mon Nov 20 10:24:09 CST 2023
/WEB-INF/grails-app/views/error.gsp=gsp_grails6bugserror_gsp
/WEB-INF/grails-app/views/index.gsp=gsp_grails6bugsindex_gsp
/WEB-INF/grails-app/views/layouts/main.gsp=gsp_grails6bugs_layoutsmain_gsp
/test/hello.gsp=gsp_grails6bugs_testhello_gsp
/WEB-INF/grails-app/views/notFound.gsp=gsp_grails6bugsnotFound_gsp