测试编译class文件

Dockerfile

@@ -7,7 +7,7 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone
 VOLUME ["/home/logs/cloud-etl-engine"]
 
 COPY ./cloud-etl-server/target/cloud-engine.jar /home/app.jar
-COPY ./lib /home/lib/
+COPY ./cloud-etl-server/target/classes /home/lib
 
 ENTRYPOINT ["java","-jar","-Dfile.encoding=UTF-8"]
 CMD ["/home/app.jar"]

cloud-etl-server/pom.xml

@@ -31,6 +31,7 @@
             <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
         </dependency>
 
+
         <!-- SpringCloud Alibaba Sentinel -->
         <dependency>
             <groupId>com.alibaba.cloud</groupId>

cloud-etl-server/src/main/java/com/muyu/javacomplier/OSSFileDownload.java

@@ -39,7 +39,7 @@ public class OSSFileDownload {
             return Result.error("预下载文件不存在");
         }
         // 本地文件下载路径
-        String localPath = "home/" + objectName;
+        String localPath = "/home/" + objectName;
         ObjectMetadata object = ossClient.getObject(new GetObjectRequest(bucketName, filePath + objectName), new File(localPath));
         System.out.println(object);
         ossClient.shutdown();

cloud-etl-server/src/main/java/com/muyu/test/JavaClass.java

@@ -9,7 +9,7 @@ import javax.tools.ToolProvider;
 public class JavaClass {
     public static Result<Object> compile(String fileName) {
         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
-        String[] strings = {"-classpath", "/home", "-verbose", "-d", "/home", fileName+".java"};
+        String[] strings = {"-classpath", "/home/lib", "-verbose", "-d", "/home", fileName+".java"};
         int result = compiler.run(null, null, null, strings);
         if (result == 0) {
             System.out.println("编译成功，生成的.class文件位于源代码同目录");