ORC-1512: Drop Java 8/11 and make Java 17 by default

.github/workflows/build_and_test.yml

@@ -33,17 +33,13 @@ jobs:
           - macos-12
           - macos-13
         java:
-          - 8
-          - 11
           - 17
+          - 21
         cxx:
           - clang++
         include:
-          - os: ubuntu-20.04
-            java: 8
-            cxx: g++
-          - os: ubuntu-20.04
-            java: 21
+          - os: ubuntu-22.04
+            java: 17
             cxx: g++
     env:
       MAVEN_OPTS: -Xmx2g
@@ -139,11 +135,11 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
-    - name: Install Java 8
+    - name: Install Java 17
       uses: actions/setup-java@v3
       with:
-        distribution: temurin
-        java-version: 8
+        distribution: zulu
+        java-version: 17
     - name: "javadoc"
       run: |
         mkdir -p ~/.m2

.github/workflows/publish_snapshot.yml

@@ -14,8 +14,8 @@ jobs:
 
     - uses: actions/setup-java@v3
       with:
-        distribution: temurin
-        java-version: 8
+        distribution: zulu
+        java-version: 17
 
     - name: Publish snapshot
       env:

README.md

@@ -43,7 +43,7 @@ The subdirectories are:
 
 ### Building
 
-* Install java 1.8 or higher
+* Install java 17 or higher
 * Install maven 3.9.4 or higher
 * Install cmake 3.12 or higher
 

docker/README.md

@@ -1,7 +1,6 @@
 ## Supported OSes
 
-* CentOS 7
-* Debian 10, 11, and 12
+* Debian 11 and 12
 * Fedora 37
 * Ubuntu 20 and 22
 
@@ -29,13 +28,12 @@ The scripts are:
 * `run-one.sh` *owner* *branch* *os* - test the owner's branch on one OS
 * `reinit.sh` - rebuild all of the base images without the image cache
 
-`run-all.sh`, `run-one.sh` and `reinit.sh` tests both on jdk8 and 11 across OSes
+`run-all.sh`, `run-one.sh` and `reinit.sh` tests both on jdk17 and 21 across OSes
 
 A base image for each OS is built using:
 
     cd docker/$os
-    FOR jdk8:  docker build -t "orc-$os-jdk8" --build-arg jdk=8 .
-    FOR jdk11: docker build -t "orc-$os-jdk11" --build-arg jdk=11 .
+    FOR jdk21: docker build -t "orc-$os-jdk21" --build-arg jdk=21 .
 
 ## Clean up
 

docker/debian11/Dockerfile

@@ -19,7 +19,7 @@
 
 FROM debian:bullseye
 LABEL maintainer="Apache ORC project <[email protected]>"
-ARG jdk=8
+ARG jdk=17
 
 RUN apt-get update
 RUN apt-get install -y \
@@ -31,21 +31,8 @@ RUN apt-get install -y \
   libssl-dev \
   make \
   curl \
-  maven; \
-  if [ "${jdk}" = "8" ] ; then \
-    apt-get install -y \
-      gnupg2 \
-      software-properties-common \
-      wget; \
-    wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add -; \
-    add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ && \
-    apt-get update && \
-    apt-get install -y adoptopenjdk-8-hotspot && \
-    update-alternatives --set java $(update-alternatives --list java | grep ${jdk}) && \
-    update-alternatives --set javac $(update-alternatives --list javac | grep ${jdk}); \
-  else \
-    apt-get install -y openjdk-${jdk}-jdk; \
-  fi
+  maven \
+  openjdk-${jdk}-jdk;
 
 WORKDIR /root
 

docker/os-list.txt

@@ -1,10 +1,7 @@
-centos7
-debian10
 debian11
 debian12
 ubuntu20
 ubuntu22
 fedora37
-debian11_jdk=11
-ubuntu22_jdk=11
-ubuntu22_jdk=11_cc=clang
+ubuntu22_jdk=21
+ubuntu22_jdk=21_cc=clang

docker/ubuntu20/Dockerfile

@@ -19,7 +19,7 @@
 
 FROM ubuntu:20.04
 LABEL maintainer="Apache ORC project <[email protected]>"
-ARG jdk=8
+ARG jdk=17
 ARG cc=gcc
 
 RUN ln -fs /usr/share/zoneinfo/America/Los_Angeles /etc/localtime

docker/ubuntu22/Dockerfile

@@ -19,7 +19,7 @@
 
 FROM ubuntu:22.04
 LABEL maintainer="Apache ORC project <[email protected]>"
-ARG jdk=8
+ARG jdk=17
 ARG cc=gcc
 
 RUN ln -fs /usr/share/zoneinfo/America/Los_Angeles /etc/localtime

java/pom.xml

@@ -63,7 +63,7 @@
     <checkstyle.version>10.12.0</checkstyle.version>
     <example.dir>${project.basedir}/../../examples</example.dir>
     <hadoop.version>3.3.6</hadoop.version>
-    <java.version>1.8</java.version>
+    <java.version>17</java.version>
     <junit.version>5.10.0</junit.version>
     <maven-assembly-plugin.version>3.6.0</maven-assembly-plugin.version>
     <maven-shade-plugin.version>3.5.0</maven-shade-plugin.version>
@@ -668,6 +668,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
         <configuration>
+          <doclint>none</doclint>
           <links>
             <link>https://hadoop.apache.org/docs/r${hadoop.version}/api</link>
             <link>https://orc.apache.org/api/hive-storage-api</link>