Target java17

build.gradle

@@ -69,20 +69,16 @@ allprojects {
     java {
         toolchain {
             languageVersion = JavaLanguageVersion.of(21)
-            // note: the use of Java 21 causes the error "NoClassDefFoundError: java/util/SequencedCollection"
-            // see also
-            //   https://aphyr.com/posts/369-classnotfoundexception-java-util-sequencedcollection
-            //   https://www.baeldung.com/java-21-sequenced-collections
         }
     }
 
     compileJava {
-        options.release.set(11)
+        options.release.set(17)
     }
 
     tasks.withType(GroovyCompile) {
-        sourceCompatibility = '11'
-        targetCompatibility = '11'
+        sourceCompatibility = '17'
+        targetCompatibility = '17'
     }
 
     idea {
@@ -151,7 +147,6 @@ allprojects {
     // Required to run tests on Java 9 and higher in compatibility mode
     tasks.withType(Test) {
         jvmArgs ([
-            '-Dorg.spockframework.mock.ignoreByteBuddy=true',
             '--enable-preview',
             '--add-opens=java.base/java.lang=ALL-UNNAMED',
             '--add-opens=java.base/java.io=ALL-UNNAMED',

modules/nextflow/build.gradle

@@ -49,10 +49,10 @@ dependencies {
 
     // test configuration
     testFixturesApi ("org.apache.groovy:groovy-test:4.0.21") { exclude group: 'org.apache.groovy' }
-    testFixturesApi ("cglib:cglib-nodep:3.3.0")
-    testFixturesApi ("org.objenesis:objenesis:3.2")
-    testFixturesApi ("org.spockframework:spock-core:2.3-groovy-4.0") { exclude group: 'org.apache.groovy'; exclude group: 'net.bytebuddy' }
-    testFixturesApi ('org.spockframework:spock-junit4:2.3-groovy-4.0') { exclude group: 'org.apache.groovy'; exclude group: 'net.bytebuddy' }
+    testFixturesApi ("org.objenesis:objenesis:3.4")
+    testFixturesApi ("net.bytebuddy:byte-buddy:1.14.17")
+    testFixturesApi ("org.spockframework:spock-core:2.3-groovy-4.0") { exclude group: 'org.apache.groovy' }
+    testFixturesApi ('org.spockframework:spock-junit4:2.3-groovy-4.0') { exclude group: 'org.apache.groovy' }
     testFixturesApi 'com.google.jimfs:jimfs:1.2'
 
 }