Update dependencies

Also update Spring to 3.2.4.
This is required as the old spring version does not support Java 21.

Dockerfile

@@ -1,4 +1,4 @@
-FROM adoptopenjdk/openjdk11:alpine-jre
+FROM eclipse-temurin:21-jre-alpine
 RUN addgroup -S spring && adduser -S spring -G spring
 #RUN groupadd -r spring && useradd -r -g spring spring # for openjdk:xx builds
 RUN mkdir /tcor && chown spring:spring /tcor

build.gradle

@@ -1,8 +1,8 @@
 plugins {
-    id 'org.jetbrains.kotlin.jvm' version '1.7.20'
-    id 'org.jetbrains.kotlin.plugin.spring' version '1.7.20'
-    id 'org.springframework.boot' version '2.7.6'
-    id 'io.spring.dependency-management' version '1.1.0'
+    id 'org.jetbrains.kotlin.jvm' version '1.9.23'
+    id 'org.jetbrains.kotlin.plugin.spring' version '1.9.23'
+    id 'org.springframework.boot' version '3.2.4'
+    id 'io.spring.dependency-management' version '1.1.4'
 }
 
 group 'org.mosad'
@@ -13,13 +13,13 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-web:2.7.6'
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.7.22'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4'
-    implementation 'org.jsoup:jsoup:1.15.3'
-    implementation 'com.google.code.gson:gson:2.10'
+    implementation 'org.springframework.boot:spring-boot-starter-web:3.2.4'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.9.23'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0'
+    implementation 'org.jsoup:jsoup:1.17.2'
+    implementation 'com.google.code.gson:gson:2.10.1'
 
-    testImplementation 'org.junit.jupiter:junit-jupiter:5.8.2'
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
 }
 
 test {
@@ -30,7 +30,7 @@ test {
     }
 }
 
-def jvmTargetVersion = "11"
+def jvmTargetVersion = "21"
 compileKotlin {
     kotlinOptions.jvmTarget = jvmTargetVersion
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/kotlin/org/mosad/thecitadelofricks/controller/CachetAPIController.kt

@@ -29,7 +29,7 @@ import java.io.BufferedReader
 import java.io.IOException
 import java.io.InputStreamReader
 import java.net.HttpURLConnection
-import java.net.URL
+import java.net.URI
 
 class CachetAPIController {
 
@@ -41,7 +41,7 @@ class CachetAPIController {
 
          fun postTotalRequests() {
              try {
-                 val url = URL("${StartupController.cachetBaseURL}/api/v1/metrics/1/points")
+                 val url = URI("${StartupController.cachetBaseURL}/api/v1/metrics/1/points").toURL()
                  val jsonInputString = "{\"value\": ${totalRequests -oldTotalRequests}, \"timestamp\": \"${(System.currentTimeMillis() / 1000)}\"}"
                  oldTotalRequests = totalRequests
 

src/main/kotlin/org/mosad/thecitadelofricks/controller/StatusController.kt

@@ -29,6 +29,7 @@ import org.mosad.thecitadelofricks.Status
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import java.net.HttpURLConnection
+import java.net.URI
 import java.net.URL
 import java.time.LocalDateTime
 import java.util.*
@@ -90,8 +91,8 @@ class StatusController {
             var swfrCode = 999
 
             try {
-                val hsoURL = URL("https://www.hs-offenburg.de/")
-                val swfrURL = URL("https://www.swfr.de/")
+                val hsoURL = URI("https://www.hs-offenburg.de/").toURL()
+                val swfrURL = URI("https://www.swfr.de/").toURL()
 
                 var connection = hsoURL.openConnection() as HttpURLConnection
                 connection.requestMethod = "HEAD"