Revert "Upgrade bundled JDK to Java 20 (#94600) (#94604)" (#94692)

Author: mark-vieira

build-tools-internal/version.properties

@@ -2,7 +2,7 @@ elasticsearch     = 8.7.0
 lucene            = 9.5.0
 
 bundled_jdk_vendor = openjdk
-bundled_jdk = 20+36@bdc68b4b9cbc4ebcb30745c85038d91d
+bundled_jdk = 19.0.2+7@fdb695a9d9064ad6b064dc6df578380c
 
 # optional dependencies
 spatial4j         = 0.7

docs/changelog/94600.yaml

@@ -1487,25 +1487,25 @@
             <sha256 value="0a4aa0f2606bd6292a7ccd7d67a0db914bf5874dfb8a6184df3e6d63cdc93702" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="openjdk_20" name="linux" version="20">
-         <artifact name="linux-20-aarch64.tar.gz">
-            <sha256 value="b671dd1513e7bd4f3de6b1424a90a4998997a67593bf259936d55f5e83e31959" origin="Generated by Gradle"/>
+      <component group="openjdk_19" name="linux" version="19.0.2">
+         <artifact name="linux-19.0.2-aarch64.tar.gz">
+            <sha256 value="95728187b4b5607c49de751a209ecda6e04d9ed7cee603cf36f454239106527b" origin="Generated by Gradle"/>
          </artifact>
-         <artifact name="linux-20-x64.tar.gz">
-            <sha256 value="bb863b2d542976d1ae4b7b81af3e78b1e4247a64644350b552d298d8dc5980dc" origin="Generated by Gradle"/>
+         <artifact name="linux-19.0.2-x64.tar.gz">
+            <sha256 value="34cf8d095cc071e9e10165f5c45023f96ec68397fdaabf6c64bfec1ffeee6198" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="openjdk_20" name="macos" version="20">
-         <artifact name="macos-20-aarch64.tar.gz">
-            <sha256 value="d020f5c512c043cfb7119a591bc7e599a5bfd76d866d939f5562891d9db7c9b3" origin="Generated by Gradle"/>
+      <component group="openjdk_19" name="macos" version="19.0.2">
+         <artifact name="macos-19.0.2-aarch64.tar.gz">
+            <sha256 value="4317442e14c5c2f4f698db0e41347df99d050a32137b2a02dfec28ed856577cc" origin="Generated by Gradle"/>
          </artifact>
-         <artifact name="macos-20-x64.tar.gz">
-            <sha256 value="47cf960d9bb89dbe987535a389f7e26c42de7c984ef5108612d77c81aa8cc6a4" origin="Generated by Gradle"/>
+         <artifact name="macos-19.0.2-x64.tar.gz">
+            <sha256 value="c57c7c511706738fff6540945e0159e97b8b328777e6460977dd64e00f4c2c0b" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="openjdk_20" name="windows" version="20">
-         <artifact name="windows-20-x64.zip">
-            <sha256 value="c92fae5e42b9aecf444a66c8ec563c652f60b1e231dfdd33a4f5a3e3603058fb" origin="Generated by Gradle"/>
+      <component group="openjdk_19" name="windows" version="19.0.2">
+         <artifact name="windows-19.0.2-x64.zip">
+            <sha256 value="9f70eba3f2631674a2d7d3aa01150d697f68be16ad76662ff948d7fe1b4985d8" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="org.abego.treelayout" name="org.abego.treelayout.core" version="1.0.3">

gradle/verification-metadata.xml

@@ -31,7 +31,7 @@ tasks.named("dependencyLicenses").configure {
 }
 
 tasks.named("thirdPartyAudit").configure {
-  if (BuildParams.runtimeJavaVersion == JavaVersion.VERSION_20 || BuildParams.isRuntimeJavaHomeSet == false) {
+  if (BuildParams.runtimeJavaVersion == JavaVersion.VERSION_20) {
     ignoreMissingClasses(
       // This class was removed in Java 20 but is only referenced by a class that requires preview features anyhow
       // See: https://github.com/apache/lucene/pull/12042

libs/plugin-analysis-api/build.gradle

@@ -236,7 +236,7 @@ tasks.named("thirdPartyAudit").configure {
     )
     ignoreMissingClasses 'javax.xml.bind.DatatypeConverter'
 
-    if (BuildParams.runtimeJavaVersion == JavaVersion.VERSION_20 || BuildParams.isRuntimeJavaHomeSet == false) {
+    if (BuildParams.runtimeJavaVersion == JavaVersion.VERSION_20) {
       ignoreMissingClasses(
         // This class was removed in Java 20 but is only referenced by a class that requires preview features anyhow
         // See: https://github.com/apache/lucene/pull/12042