Use LTS Oracle JDK and add diagnostic tools

Author: rjeberhard

Dockerfile

@@ -4,8 +4,8 @@
 # -------------------------
 FROM ghcr.io/oracle/oraclelinux:9-slim AS jre-build
 
-ENV JAVA_URL_X64="https://download.java.net/java/GA/jdk20.0.2/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-20.0.2_linux-x64_bin.tar.gz"
-ENV JAVA_URL_AARCH64="https://download.java.net/java/GA/jdk20.0.2/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-20.0.2_linux-aarch64_bin.tar.gz"
+ENV JAVA_URL_X64="https://download.oracle.com/java/17/archive/jdk-17.0.8_linux-x64_bin.tar.gz"
+ENV JAVA_URL_AARCH64="https://download.oracle.com/java/17/archive/jdk-17.0.8_linux-aarch64_bin.tar.gz"
 
 RUN set -eux; \
     microdnf -y install gzip tar; \
@@ -18,7 +18,7 @@ RUN set -eux; \
     curl -fL -o jdk.tar.gz "$JAVA_URL"; \
     mkdir -p /jdk; \
     tar --extract --file jdk.tar.gz --directory /jdk --strip-components 1; \
-    /jdk/bin/jlink --verbose --compress 2 --strip-java-debug-attributes --no-header-files --no-man-pages --output jre --add-modules java.base,java.desktop,java.instrument,java.management,java.naming,java.net.http,java.sql,jdk.attach,jdk.jdi,jdk.unsupported,jdk.crypto.ec,jdk.zipfs
+    /jdk/bin/jlink --verbose --compress 2 --strip-java-debug-attributes --no-header-files --no-man-pages --output jre --add-modules java.base,java.desktop,java.instrument,java.management,java.naming,java.net.http,java.sql,jdk.attach,jdk.jdi,jdk.unsupported,jdk.crypto.ec,jdk.zipfs,jdk.jcmd
 
 FROM ghcr.io/oracle/oraclelinux:9-slim