Micronaut improvements (#8161)

* Micronaut R2DBC: Set `initialSize` of the pool to 0

* Correct GraalVM

* Add comment about the issue

* Upgrade Micronaut versions

frameworks/Java/micronaut/buildSrc/build.gradle

@@ -8,6 +8,6 @@ repositories {
 }
 
 dependencies {
-    implementation "io.micronaut.gradle:micronaut-gradle-plugin:3.6.2"
+    implementation "io.micronaut.gradle:micronaut-gradle-plugin:3.7.7"
     implementation "gradle.plugin.com.github.johnrengelman:shadow:7.1.2"
 }

frameworks/Java/micronaut/common/src/main/resources/application-common.yml

@@ -28,7 +28,7 @@ r2dbc:
       dialect: POSTGRES
       options:
         protocol: postgres
-        initialSize: 48
+        initialSize: 0 # https://github.com/micronaut-projects/micronaut-data/issues/2136
         maxSize: 48
 
 mongodb:

frameworks/Java/micronaut/gradle.properties

@@ -1 +1 @@
-micronautVersion = 3.8.6
+micronautVersion = 3.9.0

frameworks/Java/micronaut/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

frameworks/Java/micronaut/gradlew

@@ -205,6 +205,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

frameworks/Java/micronaut/gradlew.bat

@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,7 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +75,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

frameworks/Java/micronaut/micronaut-data-jdbc.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-data-jdbc:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-data-jdbc/build/libs/micronaut-data-jdbc-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh

frameworks/Java/micronaut/micronaut-data-mongodb.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-data-mongodb:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-data-mongodb/build/libs/micronaut-data-mongodb-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh

frameworks/Java/micronaut/micronaut-data-r2dbc.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-data-r2dbc:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-data-r2dbc/build/libs/micronaut-data-r2dbc-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh

frameworks/Java/micronaut/micronaut-jdbc.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-jdbc:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-jdbc/build/libs/micronaut-jdbc-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh

frameworks/Java/micronaut/micronaut-r2dbc.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-r2dbc:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-r2dbc/build/libs/micronaut-r2dbc-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh

frameworks/Java/micronaut/micronaut.dockerfile

@@ -1,9 +1,9 @@
-FROM gradle:7.5.1-jdk18 as build
+FROM gradle:8.1.0-jdk17 as build
 COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN gradle micronaut-vertx-pg-client:build -x test --no-daemon
 
-FROM openjdk:19
+FROM openjdk:21
 WORKDIR /micronaut
 COPY --from=build /home/gradle/src/micronaut-vertx-pg-client/build/libs/micronaut-vertx-pg-client-all.jar micronaut.jar
 COPY run_benchmark.sh run_benchmark.sh