[FLINK-36646][helm] Add required Java Opts to allow Java 17 based job images.

From Java 16 onwards, the project jigsaw java opts are now mandatory. To
allow Java 17 based job images, we need to include the java opts from the
flink dist base conf.yaml to the env.java.default-opts.all in the operator
default flink-conf.yaml.

These will be combined with any user supplied opts via env.java.opts.all
and ignored by JDK 8 and 11 as we set -XX:IgnoreUnrecognizedVMOptions.

Signed-off-by: Thomas Cooper <[email protected]>

Author: tomncooper

helm/flink-kubernetes-operator/conf/flink-conf.yaml

@@ -20,6 +20,11 @@
 taskmanager.numberOfTaskSlots: 1
 parallelism.default: 1
 
+# These parameters are required for Java 17 support.
+# These should be kept in-sync with the flink dist env.java.opts.all defaults in: flink-dist/src/main/resources/config.yaml
+# default-opts.all is used here so users can supply their own opts.all in their Job deployments and have these appended.
+env.java.default-opts.all: --add-exports=java.base/sun.net.util=ALL-UNNAMED --add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED --add-exports=java.security.jgss/sun.security.krb5=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.nio=ALL-UNNAMED --add-opens=java.base/sun.nio.ch=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.text=ALL-UNNAMED --add-opens=java.base/java.time=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.locks=ALL-UNNAMED
+
 # Flink operator related configs
 # kubernetes.operator.reconcile.interval: 60 s
 # kubernetes.operator.reconcile.parallelism: 5