我需要从 WildFly 中运行的 Web 应用程序内的 nashorn 访问内部类。
以下代码在我的机器上运行良好:
public class NashornTest {
public static void main(String[] args) throws ClassNotFoundException {
Class<?> cls = Class.forName("jdk.nashorn.internal.objects.ScriptFunctionImpl");
System.out.println(cls);
}
}
但是当我在 WildFly 中运行时,以下 servlet 抛出 ClassNotFoundException:
@WebServlet("/nashorn")
public class NashornServlet extends HttpServlet {
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
Class<?> cls = null;
try {
cls = Class.forName("jdk.nashorn.internal.objects.ScriptFunctionImpl");
} catch (ClassNotFoundException e) {
throw new ServletException(e);
}
}
}
最佳答案
看起来 nashorn 使用的所有包/类都存在疏忽。
您需要打开 WILDFLY_HOME/modules/system/layers/base/sun/jdk/main/module.xml 文件并添加
<path name="jdk/nashorn/api/scripting"/>
<path name="jdk/nashorn/api/scripting/resources"/>
<path name="jdk/nashorn/internal/codegen"/>
<path name="jdk/nashorn/internal/codegen/types"/>
<path name="jdk/nashorn/internal/ir"/>
<path name="jdk/nashorn/internal/ir/annotations"/>
<path name="jdk/nashorn/internal/ir/debug"/>
<path name="jdk/nashorn/internal/ir/visitor"/>
<path name="jdk/nashorn/internal/lookup"/>
<path name="jdk/nashorn/internal/objects"/>
<path name="jdk/nashorn/internal/objects/annotations"/>
<path name="jdk/nashorn/internal/parser"/>
<path name="jdk/nashorn/internal/runtime"/>
<path name="jdk/nashorn/internal/runtime/arrays"/>
<path name="jdk/nashorn/internal/runtime/linker"/>
<path name="jdk/nashorn/internal/runtime/options"/>
<path name="jdk/nashorn/internal/runtime/regexp"/>
<path name="jdk/nashorn/internal/runtime/regexp/joni"/>
<path name="jdk/nashorn/internal/runtime/resources"/>
<path name="jdk/nashorn/internal/runtime/resources/fx"/>
<path name="jdk/nashorn/internal/runtime/scripts"/>
<path name="jdk/nashorn/internal/tools"/>
<path name="jdk/nashorn/internal/tools/resources"/>
<path name="jdk/internal/dynalink"/>
<path name="jdk/internal/dynalink/beans"/>
<path name="jdk/internal/dynalink/linker"/>
<path name="jdk/internal/dynalink/support"/>
以及任何其他可能丢失的路径/包。
仅供引用,这是此文件在 8.x 中的外观 branch
我还在 WildFly master 中创建了 Pull 请求来修复此问题和 8.x branch
关于java - WildFly 中未找到 Nashorn 类,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24478436/