build: 增加 open url module 配置

backend/src/main/java/io/metersphere/config/OpenUrlClassLoaderModule.java

@@ -0,0 +1,41 @@
+package io.metersphere.config;
+
+import org.springframework.context.annotation.Configuration;
+
+import java.lang.reflect.Method;
+import java.net.URLClassLoader;
+
+@Configuration
+public class OpenUrlClassLoaderModule {
+
+    static {
+        // If on Java 9+, open the URLClassLoader module to this module
+        // so we can access its API via reflection without producing a warning.
+        try {
+            openUrlClassLoaderModule();
+        } catch (Throwable e) {
+            // ignore exception - will throw on Java 8 since the Module classes don't exist
+            e.printStackTrace();
+        }
+    }
+
+    private static void openUrlClassLoaderModule() throws Exception {
+        // This is effectively calling:
+        //
+        // URLClassLoader.class.getModule().addOpens(
+        //     URLClassLoader.class.getPackageName(),
+        //     ReflectionClassLoader.class.getModule()
+        // );
+        //
+        // We use reflection since we build against Java 8.
+
+        Class<?> moduleClass = Class.forName("java.lang.Module");
+        Method getModuleMethod = Class.class.getMethod("getModule");
+        Method addOpensMethod = moduleClass.getMethod("addOpens", String.class, moduleClass);
+
+        Object urlClassLoaderModule = getModuleMethod.invoke(URLClassLoader.class);
+        Object thisModule = getModuleMethod.invoke(OpenUrlClassLoaderModule.class);
+
+        addOpensMethod.invoke(urlClassLoaderModule, URLClassLoader.class.getPackage().getName(), thisModule);
+    }
+}