Compatible examples support Spring Boot 3

.github/workflows/dubbo-3_2.yml

@@ -34,6 +34,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
+      matrix:
+        java: [ '8', '17' ]
     steps:
       - uses: actions/checkout@v1
       - name: Cache local Maven repository
@@ -43,13 +45,18 @@ jobs:
           key: ${{ runner.os }}-samples-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-samples-maven-
-      - name: Set up JDK 8
+      - name: Set up JDK ${{ matrix.Java }}
         uses: actions/setup-java@v1
         with:
-          java-version: 8
-      - name: Build with Maven
+          java-version: ${{ matrix.Java }}
+      - name: Build for compiler 8 with Maven
+        if: matrix.java == '8'
+        run: |
+          ./mvnw $BUILD_OPTS -pl "-:dubbo-samples-spring-boot-consumer","-:dubbo-samples-spring-boot-provider","-:dubbo-samples-spring-boot-interface","-:dubbo-samples-spring-boot"
+      - name: Build for compiler 17 with Maven
+        if: matrix.java == '17'
         run: |
-          ./mvnw $BUILD_OPTS
+          ./mvnw $BUILD_OPTS -pl "+:dubbo-samples-spring-boot-consumer","+:dubbo-samples-spring-boot-provider" -am   
 
   build-dubbo:
     runs-on: ubuntu-latest

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-consumer/pom.xml

@@ -26,11 +26,6 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dubbo-samples-spring-boot-consumer</artifactId>
 
-    <properties>
-        <slf4j-log4j12.version>1.7.25</slf4j-log4j12.version>
-        <spring-boot.version>2.3.1.RELEASE</spring-boot.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.apache.dubbo</groupId>
@@ -60,11 +55,6 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-autoconfigure</artifactId>
-        </dependency>
-
     </dependencies>
 
     <build>

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-consumer/src/main/resources/application.yml

@@ -27,3 +27,10 @@ dubbo:
     address: zookeeper://127.0.0.1:2181
   metadata-report:
     address: zookeeper://127.0.0.1:2181
+  service:
+    org:
+      apache:
+        dubbo:
+          springboot:
+            demo:
+              serialization: fastjson2

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-provider/pom.xml

@@ -24,7 +24,6 @@
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
-
     <artifactId>dubbo-samples-spring-boot-provider</artifactId>
 
     <dependencies>
@@ -56,11 +55,6 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-autoconfigure</artifactId>
-        </dependency>
-
     </dependencies>
 
     <build>

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-provider/src/main/java/org/apache/dubbo/springboot/demo/provider/EmbeddedZooKeeper.java

@@ -23,7 +23,6 @@
 import org.slf4j.LoggerFactory;
 import org.springframework.context.SmartLifecycle;
 import org.springframework.util.ErrorHandler;
-import org.springframework.util.SocketUtils;
 
 import java.io.File;
 import java.lang.reflect.Method;
@@ -85,7 +84,7 @@ public class EmbeddedZooKeeper implements SmartLifecycle {
      * Construct an EmbeddedZooKeeper with a random port.
      */
     public EmbeddedZooKeeper() {
-        clientPort = SocketUtils.findAvailableTcpPort();
+        clientPort = TestSocketUtils.findAvailableTcpPort();
     }
 
     /**

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-provider/src/main/java/org/apache/dubbo/springboot/demo/provider/TestSocketUtils.java

@@ -0,0 +1,109 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dubbo.springboot.demo.provider;
+
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.util.Random;
+
+import javax.net.ServerSocketFactory;
+
+import org.apache.dubbo.common.utils.Assert;
+
+/**
+ * Simple utility for finding available TCP ports on {@code localhost} for use in
+ * integration testing scenarios.
+ *
+ * <p>{@code TestSocketUtils} can be used in integration tests which start an
+ * external server on an available random port. However, these utilities make no
+ * guarantee about the subsequent availability of a given port and are therefore
+ * unreliable. Instead of using {@code TestSocketUtils} to find an available local
+ * port for a server, it is recommended that you rely on a server's ability to
+ * start on a random <em>ephemeral</em> port that it selects or is assigned by the
+ * operating system. To interact with that server, you should query the server
+ * for the port it is currently using.
+ *
+ * @since 3.2
+ */
+public class TestSocketUtils {
+
+    /**
+     * The minimum value for port ranges used when finding an available TCP port.
+     */
+    static final int PORT_RANGE_MIN = 1024;
+
+    /**
+     * The maximum value for port ranges used when finding an available TCP port.
+     */
+    static final int PORT_RANGE_MAX = 65535;
+
+    private static final int PORT_RANGE_PLUS_ONE = PORT_RANGE_MAX - PORT_RANGE_MIN + 1;
+
+    private static final int MAX_ATTEMPTS = 1_000;
+
+    private static final Random random = new Random(System.nanoTime());
+
+    private static final TestSocketUtils INSTANCE = new TestSocketUtils();
+
+    private TestSocketUtils() {
+    }
+
+    /**
+     * Find an available TCP port randomly selected from the range [1024, 65535].
+     * @return an available TCP port number
+     * @throws IllegalStateException if no available port could be found
+     */
+    public static int findAvailableTcpPort() {
+        return INSTANCE.findAvailableTcpPortInternal();
+    }
+
+
+    /**
+     * Internal implementation of {@link #findAvailableTcpPort()}.
+     * <p>Package-private solely for testing purposes.
+     */
+    int findAvailableTcpPortInternal() {
+        int candidatePort;
+        int searchCounter = 0;
+        do {
+            Assert.assertTrue(++searchCounter <= MAX_ATTEMPTS, String.format(
+                "Could not find an available TCP port in the range [%d, %d] after %d attempts",
+                PORT_RANGE_MIN, PORT_RANGE_MAX, MAX_ATTEMPTS));
+            candidatePort = PORT_RANGE_MIN + random.nextInt(PORT_RANGE_PLUS_ONE);
+        }
+        while (!isPortAvailable(candidatePort));
+
+        return candidatePort;
+    }
+
+    /**
+     * Determine if the specified TCP port is currently available on {@code localhost}.
+     * <p>Package-private solely for testing purposes.
+     */
+    boolean isPortAvailable(int port) {
+        try {
+            ServerSocket serverSocket = ServerSocketFactory.getDefault()
+                .createServerSocket(port, 1, InetAddress.getByName("localhost"));
+            serverSocket.close();
+            return true;
+        }
+        catch (Exception ex) {
+            return false;
+        }
+    }
+
+}

1-basic/dubbo-samples-spring-boot/dubbo-samples-spring-boot-provider/src/main/resources/application.yml

@@ -27,3 +27,10 @@ dubbo:
     address: zookeeper://127.0.0.1:2181
   metadata-report:
     address: zookeeper://127.0.0.1:2181
+  service:
+    org:
+      apache:
+        dubbo:
+          springboot:
+            demo:
+              serialization: fastjson2

1-basic/dubbo-samples-spring-boot/pom.xml

@@ -109,10 +109,28 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.7.0</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>${maven.compiler.source}</source>
+                    <target>${maven.compiler.target}</target>
                 </configuration>
             </plugin>
         </plugins>
     </build>
+
+    <profiles>
+        <profile>
+            <id>jdk17ge</id>
+            <activation>
+                <jdk>[17,)</jdk>
+            </activation>
+            <properties>
+                <maven.compiler.source>17</maven.compiler.source>
+                <maven.compiler.target>17</maven.compiler.target>
+                <spring_version>6.0.2</spring_version>
+                <dubbo.version>3.2.0-beta.2</dubbo.version>
+                <junit.version>4.13.2</junit.version>
+                <spring-boot.version>3.0.0</spring-boot.version>
+                <spring-boot-maven-plugin.version>3.0.0</spring-boot-maven-plugin.version>
+            </properties>
+        </profile>
+    </profiles>
 </project>

test/dubbo-test-runner/src/docker/Dockerfile

@@ -14,7 +14,7 @@
 #   limitations under the License.
 
 ARG JAVA_VER=8
-FROM openjdk:$JAVA_VER
+FROM eclipse-temurin:$JAVA_VER
 
 ARG DEBIAN_MIRROR
 RUN if [ -n "$DEBIAN_MIRROR" ]; then \