3.0 preparation: change sources to Java 17 (helidon-io#3633)

* Change sources to Java 17

applications/pom.xml

@@ -40,7 +40,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
         <maven.compiler.release>${maven.compiler.source}</maven.compiler.release>
         <version.plugin.compiler>3.8.1</version.plugin.compiler>

archetypes/quickstart-mp/src/main/resources/Dockerfile.jlink.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM maven:3.6.3-jdk-11-slim as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 

archetypes/quickstart-mp/src/main/resources/Dockerfile.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -17,7 +17,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

archetypes/quickstart-mp/src/main/resources/Dockerfile.native.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM helidon/jdk11-graalvm-maven:21.3.0 as build
+FROM helidon/jdk17-graalvm-maven:21.3.0 as build
 
 WORKDIR /helidon
 

archetypes/quickstart-se/src/main/resources/Dockerfile.jlink.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM maven:3.6.3-jdk-11-slim as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 

archetypes/quickstart-se/src/main/resources/Dockerfile.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -18,7 +18,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

archetypes/quickstart-se/src/main/resources/Dockerfile.native.mustache

@@ -1,6 +1,6 @@
 
 # 1st stage, build the app
-FROM helidon/jdk11-graalvm-maven:21.3.0 as build
+FROM helidon/jdk17-graalvm-maven:21.3.0 as build
 
 WORKDIR /helidon
 

common/http/src/main/java/io/helidon/common/http/Content.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020 Oracle and/or its affiliates.
+ * Copyright (c) 2018, 2021 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,19 +28,19 @@
 /**
  * Represents an HTTP entity as a {@link Multi multi} of {@link DataChunk chunks} with specific
  * features.
- * <h3>Default publisher contract</h3>
+ * <h2>Default publisher contract</h2>
  * Default publisher accepts only single subscriber. Other subscribers receives
  * {@link Flow.Subscriber#onError(Throwable) onError()}.
  * <p>
  * {@link DataChunk} provided by {@link Flow.Subscriber#onNext(Object) onNext()} method <b>must</b> be consumed in this
  * method call. Buffer can be reused by network infrastructure as soon as {@code onNext()} method returns.
  * This behavior can be inconvenient yet it helps to provide excellent performance.
  *
- * <h3>Publisher Overwrite.</h3>
+ * <h2>Publisher Overwrite.</h2>
  * It is possible to modify contract of the original publisher by registration of a new publisher using
  * {@link #registerFilter(Function)} method. It can be used to wrap or replace previously registered (or default) publisher.
  *
- * <h3>Entity Readers</h3>
+ * <h2>Entity Readers</h2>
  * It is possible to register function to convert publisher to {@link io.helidon.common.reactive.Single} of a single entity using
  * {@link #registerReader(Class, Reader)} or {@link #registerReader(Predicate, Reader)} methods. It
  * is then possible to use {@link #as(Class)} method to obtain such entity.

common/http/src/main/java/io/helidon/common/http/MediaType.java

@@ -569,7 +569,6 @@ public String toString() {
 
     /**
      * Tests if this media type has provided Structured Syntax {@code suffix} (RFC 6839).
-     * <p>
      *
      * @param suffix Suffix with or without '+' prefix. If null or empty then returns {@code true} if this media type
      *               has ANY suffix.

config/config/src/main/java/io/helidon/config/Config.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2020 Oracle and/or its affiliates.
+ * Copyright (c) 2017, 2021 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,9 +38,9 @@
 import io.helidon.config.spi.OverrideSource;
 
 /**
- * <h1>Configuration</h1>
+ * <h2>Configuration</h2>
  * Immutable tree-structured configuration.
- * <h2>Loading Configuration</h2>
+ * <h3>Loading Configuration</h3>
  * Load the default configuration using the {@link Config#create} method.
  * <pre>{@code
  * Config config = Config.create();
@@ -95,7 +95,7 @@
  * </tr>
  * </table>
  *
- * <h2>Navigating in a Configuration Tree</h2>
+ * <h3>Navigating in a Configuration Tree</h3>
  * Each loaded configuration is a tree of {@code Config} objects. The
  * application can access an arbitrary node in the tree by passing its
  * fully-qualified name to {@link Config#get}:
@@ -146,8 +146,8 @@
  * <p>
  * To get node value, use {@link #as(Class)} to access this config node as a {@link ConfigValue}
  *
- * <h2>Converting Configuration Values to Types</h2>
- * <h3>Explicit Conversion by the Application</h3>
+ * <h3>Converting Configuration Values to Types</h3>
+ * <h4>Explicit Conversion by the Application</h4>
  * The interpretation of a configuration node, including what datatype to use,
  * is up to the application. To interpret a node's value as a type other than
  * {@code String} the application can invoke one of these convenience methods:
@@ -231,8 +231,8 @@
  * that can handle classes that fulfill some requirements (see documentation), such as a public constructor,
  * static "create(Config)" method etc.
  *
- * <h2><a id="multipleSources">Handling Multiple Configuration
- * Sources</a></h2>
+ * <h3><a id="multipleSources">Handling Multiple Configuration
+ * Sources</a></h3>
  * A {@code Config} instance, including the default {@code Config} returned by
  * {@link Config#create}, might be associated with multiple {@link ConfigSource}s. The
  * config system merges these together so that values from config sources with higher priority have

config/config/src/main/java/io/helidon/config/ValueResolvingFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Oracle and/or its affiliates.
+ * Copyright (c) 2020, 2021 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,7 @@
  * will be resolved as:
  * <pre>
  * {@code message = "Hello Joachim!"}</pre>
- * <h1>How to Activate This Filter</h1>
+ * <h2>How to Activate This Filter</h2>
  * Use any of the following techniques to create a {@code ValueResolvingFilter} and
  * use it for config look-ups.
  * <ol>
@@ -62,7 +62,7 @@
  * every {@code Config.Builder} automatically.
  * </li>
  * </ol>
- * <h2>Handling Missing References</h2>
+ * <h3>Handling Missing References</h3>
  * By default, references to tokens that are not present <em>do not</em> cause
  * retrievals to fail. You can customize this behavior in several ways.
  * <ol>

config/config/src/main/java/io/helidon/config/spi/PollingStrategy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2020 Oracle and/or its affiliates.
+ * Copyright (c) 2017, 2021 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -69,7 +69,6 @@
  *      seconds</td>
  *  </tr>
  * </table>
- * <p>
  * </li>
  * <li>{@code class} - fully-qualified class name of a custom polling strategy
  * implementation or a builder class that implements a {@code build()} method
@@ -79,7 +78,7 @@
  * For a given config source use either {@code type} or {@code class} to
  * indicate a polling strategy but not both. If both appear the config system
  * ignores the {@code class} setting.
- * <h3>Meta-configuration Support for Custom Polling Strategies</h3>
+ * <h2>Meta-configuration Support for Custom Polling Strategies</h2>
  * To support settings in meta-configuration, a custom polling strategy must
  * be capable of processing the meta configuration provided to
  * {@link io.helidon.config.spi.PollingStrategyProvider#create(String, io.helidon.config.Config)}

docs/shared/common_prereqs/common_prereqs.adoc

@@ -30,7 +30,7 @@
 // tag::common-prereqs-table-contents[]
 
 |A Helidon MP Application | You can use your own application or use the https://helidon.io/docs/v2/#/mp/guides/02_quickstart[Helidon MP Quickstart] to create a sample application.
-|https://www.oracle.com/technetwork/java/javase/downloads[Java{nbsp}SE{nbsp}11] (http://jdk.java.net[Open{nbsp}JDK{nbsp}11]) |Helidon requires Java 11+.
+|https://www.oracle.com/technetwork/java/javase/downloads[Java{nbsp}SE{nbsp}17] (http://jdk.java.net[Open{nbsp}JDK{nbsp}17]) |Helidon requires Java 17+.
 |https://maven.apache.org/download.cgi[Maven 3.6.1+]|Helidon requires Maven 3.6.1+.
 |https://docs.docker.com/install/[Docker 18.09+]|You need Docker if you
 want to build and deploy Docker containers.

etc/dockerfiles/Dockerfile.jdk11-graalvm → etc/dockerfiles/Dockerfile.jdk17-graalvm

@@ -23,7 +23,7 @@ RUN set -x \
     && apt-get -y install curl
 
 RUN curl -O -L \
-    https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.3.0/graalvm-ce-java11-linux-amd64-21.3.0.tar.gz && \
+    https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.3.0/graalvm-ce-java17-linux-amd64-21.3.0.tar.gz && \
     tar -xvzf graalvm-*.tar.gz && \
     rm graalvm-*.tar.gz && \
     mv graalvm-* graalvm && \

etc/dockerfiles/Dockerfile.jdk11-graalvm-maven → etc/dockerfiles/Dockerfile.jdk17-graalvm-maven

@@ -30,7 +30,7 @@ RUN set -x && \
 
 RUN echo "done!"
 
-FROM helidon/jdk11-graalvm:21.3.0
+FROM helidon/jdk17-graalvm:21.3.0
 
 COPY --from=build /build/maven /usr/share/maven
 RUN ln -s /usr/share/maven/bin/mvn /bin/

etc/dockerfiles/build.sh

@@ -60,10 +60,10 @@ readonly MY_DIR=$(cd $(dirname -- "${SCRIPT_PATH}") ; pwd -P)
 
 readonly GRAALVM_VERSION=21.3.0
 
-docker build -f ${MY_DIR}/Dockerfile.jdk11-graalvm -t helidon/jdk11-graalvm:${GRAALVM_VERSION} ${MY_DIR}
-docker build -f ${MY_DIR}/Dockerfile.jdk11-graalvm-maven -t helidon/jdk11-graalvm-maven:${GRAALVM_VERSION} ${MY_DIR}
+docker build -f ${MY_DIR}/Dockerfile.jdk17-graalvm -t helidon/jdk17-graalvm:${GRAALVM_VERSION} ${MY_DIR}
+docker build -f ${MY_DIR}/Dockerfile.jdk17-graalvm-maven -t helidon/jdk17-graalvm-maven:${GRAALVM_VERSION} ${MY_DIR}
 
 if [ "${PUSH}" = "true" ] ; then
-    docker push helidon/jdk11-graalvm:${GRAALVM_VERSION}
-    docker push helidon/jdk11-graalvm-maven:${GRAALVM_VERSION}
+    docker push helidon/jdk17-graalvm:${GRAALVM_VERSION}
+    docker push helidon/jdk17-graalvm-maven:${GRAALVM_VERSION}
 fi

etc/scripts/includes/pipeline-env.sh

@@ -47,7 +47,7 @@ if [ -z "${__PIPELINE_ENV_INCLUDED__}" ]; then
     . ${WS_DIR}/etc/scripts/includes/error_handlers.sh
 
     if [ -z "${GRAALVM_HOME}" ]; then
-        export GRAALVM_HOME="/tools/graalvm-ce-java11-21.3.0"
+        export GRAALVM_HOME="/tools/graalvm-ce-java17-21.3.0"
     fi
 
     require_env() {
@@ -67,10 +67,14 @@ if [ -z "${__PIPELINE_ENV_INCLUDED__}" ]; then
 
     if [ -n "${JENKINS_HOME}" ] ; then
         export PIPELINE="true"
-        export JAVA_HOME="/tools/jdk-11.0.12"
+        export JAVA_HOME="/tools/jdk-17"
         MAVEN_OPTS="${MAVEN_OPTS} -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn"
         MAVEN_OPTS="${MAVEN_OPTS} -Dorg.slf4j.simpleLogger.showDateTime=true"
         MAVEN_OPTS="${MAVEN_OPTS} -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss,SSS"
+        # Needed for archetype engine plugin
+        MAVEN_OPTS="${MAVEN_OPTS} --add-opens=java.base/java.util=ALL-UNNAMED"
+        # Needed for generating site
+        MAVEN_OPTS="${MAVEN_OPTS} --add-opens=java.desktop/com.sun.imageio.plugins.png=ALL-UNNAMED"
         export MAVEN_OPTS
         export PATH="/tools/apache-maven-3.6.3/bin:${JAVA_HOME}/bin:/tools/node-v12/bin:${PATH}"
         if [ -n "${GITHUB_SSH_KEY}" ] ; then

examples/employee-app/Dockerfile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019, 2020 Oracle and/or its affiliates.
+# Copyright (c) 2019, 2021 Oracle and/or its affiliates.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,7 +15,7 @@
 #
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -33,7 +33,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

examples/grpc/opentracing/Dockerfile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, 2020 Oracle and/or its affiliates.
+# Copyright (c) 2018, 2021 Oracle and/or its affiliates.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,7 +15,7 @@
 #
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -38,7 +38,7 @@ RUN mvn -f opentracing/pom.xml package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

examples/integrations/cdi/datasource-hikaricp/Dockerfile

@@ -15,7 +15,7 @@
 #
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -32,7 +32,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

examples/integrations/cdi/jedis/Dockerfile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, 2020 Oracle and/or its affiliates.
+# Copyright (c) 2018, 2021 Oracle and/or its affiliates.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,7 +15,7 @@
 #
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -32,7 +32,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage

examples/integrations/cdi/oci-objectstorage/Dockerfile

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, 2020 Oracle and/or its affiliates.
+# Copyright (c) 2018, 2021 Oracle and/or its affiliates.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,7 +15,7 @@
 #
 
 # 1st stage, build the app
-FROM maven:3.6-jdk-11 as build
+FROM maven:3.6.3-openjdk-17-slim as build
 
 WORKDIR /helidon
 
@@ -32,7 +32,7 @@ RUN mvn package -DskipTests
 RUN echo "done!"
 
 # 2nd stage, build the runtime image
-FROM openjdk:11-jre-slim
+FROM openjdk:17-jdk-slim
 WORKDIR /helidon
 
 # Copy the binary built in the 1st stage