5. 用Apache的commons-modeler来辅助开发JMX

本文介绍如何使用Apache Commons Modeler简化Java Management Extensions (JMX) 的MBean开发过程,通过实例展示了如何避免编写额外的MBean接口,并讨论了使用XML描述文件进行MBean配置的优势。

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一、前言
 
  每一个MBean都要有一个接口,比如前面的Hello要有一个HelloMBean接口。要多维护一个接口,的确是件麻烦的事。 Apache的commons-modeler利用JMX中的动态MBean原理很好的解决了这一问题,commons-modeler使用得我们可以只写Hello,而不用写HelloMBean这个接口。不过这是有代价的,它要求我们写一个mbean的xml描述文件(唉,少了一件事,却又多出另一件事来)。但commons-modeler还是有优点的,就是它让mbean的装配更加灵活,把多个mbean的装配都集中在一个XML文件里来了。
  开始实例之前,你需要先去apache网站下载commons-modeler,以及modeler的依赖项目commons-logging。下载网址为:http://jakarta.apache.org/site/downloads/downloads_commons.html,下载的文件是ZIP压缩包,解压后找到commons-logging.jar和commons-modeler.jar。如果在DOS下用命令行开发,则把这两个JAR包加入到classpath系统变量中。如果你用Eclipse开发,则把JAR包加入到项目属性的Libratries(库)引用中。
 
二、HelloWorld实例
 
  我们以本系统的第一篇“1、JMX的Hello World”为例,来重新实现一次。
 
1、Hello.java的代码不变(注:为了在Eclipse上和原来的Hello文件放在不同的地方,我把新Hello放到了mbean.modelbean包),如下:

package mbean.modelbean;

import mbean.standard.HelloMBean;

public class Hello implements HelloMBean {
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public void printHello() {
        System.out.println("Hello World, " + name);
    }
    public void printHello(String whoName) {
        System.out.println("Hello , " + whoName);
    }
}

 
2、MBean不用写了,但需要写一个XML描述文件。文件名任取,这里取名为:mbeans-descriptors

<?xml version="1.0"?>
<mbeans-descriptors>
 <mbean name="Hello" description="the hello bean" domain="chengang" group="helloGroup" type="mbean.modelbean.Hello">
  <attribute name="name" description="a name attribute" type="java.lang.String" writeable="true"/>
  <operation name="printHello" description="a operation to print hello" impact="INFO" returnType="String"/>
 </mbean>
</mbeans-descriptors>

这里只对<mbean>标签做一下说明:

    * name mbean在xml中的唯一标识,不一定要和类同名
    * description mbean的注释说明信息
    * domain mbean所属域
    * group mbean所属组
    * type mbean的类全名(包名+类名)
    * classname 指定实现代理功能的ModelMbean的全名,如果不指定则默认为BaseModelMBean

3、接下来改写HelloAgent

package mbean.modelbean;

import java.io.InputStream;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.modelmbean.ModelMBean;
import org.apache.commons.modeler.ManagedBean;
import org.apache.commons.modeler.Registry;
import com.sun.jdmk.comm.HtmlAdaptorServer;

public class HelloAgent {
    public static void main(String[] args) throws Exception {
        //基于xml中的信息构建一个Registry
        Registry registry = Registry.getRegistry(null, null);
        InputStream stream = HelloAgent.class.getResourceAsStream("Mbeans-descriptors.xml");
        registry.loadMetadata(stream);
        stream.close();
        //由Registry得到一个MBeanServer
        MBeanServer server = registry.getMBeanServer();

        //得到Hello在描述文件中的信息类,对应于xml文件<mbean>标签的name属性。
        ManagedBean managed = registry.findManagedBean("Hello");
        //创建ObjectName
        ObjectName helloName = new ObjectName(managed.getDomain() + ":name=HelloWorld");
        //得到ModelMBean
        ModelMBean hello = managed.createMBean(new Hello());
        //注册MBean
        server.registerMBean(hello, helloName);

        ObjectName adapterName = new ObjectName("HelloAgent:name=htmladapter,port=8082");
        HtmlAdaptorServer adapter = new HtmlAdaptorServer();
        server.registerMBean(adapter, adapterName);
        adapter.start();
        System.out.println("start.....");
    }
}

 
HelloAgent是效复杂的地方,我们来和以前的HelloAgent逐步比较一下,前后有什么不同:
(1)首先,新的HelloAgent需要将xml信息读入到Registry对象中,这是旧HelloAgent所没有的。

Registry registry = Registry.getRegistry(null, null);
InputStream stream = HelloAgent.class.getResourceAsStream("Mbeans-descriptors.xml");
registry.loadMetadata(stream);
stream.close();

 
(2)接着创建MBeanServer的方式也不同了
现在:MBeanServer server = registry.getMBeanServer();
以前: MBeanServer server = MBeanServerFactory.createMBeanServer();
 
(3)Hello相应的ObjectName创建也略不相同。主要是域名在XML描述文件里设置好了。
现在:ManagedBean managed = registry.findManagedBean("Hello");
     ObjectName helloName = new ObjectName(managed.getDomain() + ":name=HelloWorld");
以前:ObjectName helloName = new ObjectName("chengang:name=HelloWorld")
 
(4)得到MBean的方式也不同,这里就是关键的不同点
现在:ModelMBean hello = managed.createMBean(new Hello());
以前:Hello hello = new Hello();
注意:为什么现在要比以前多一个createMbean步骤呢,就是因为现在的写法并没有写Mbean,所以需要动态才需要生成一个。而以前就直接把new Hello()注册到mbean server就可以了,server会自动找到它的HelloMBean接口文件。
 
 也就上面四点区别,其他代码完全一样。测试和查看效果的方法和以前一样,在此不累述了。

 
 commons Modeler为Hello动态生成了一个MBean接口:BaseModelBean
 
参考资料
  用Commons Modeler 开发JMX应用
 
C:\Users\29970\Downloads\apache-tomcat-8.5.16\bin\catalina.bat run [2025-06-17 11:25:25,042] 工件 CookieShop:Web exploded: 正在等待服务器连接以启动工件部署… Using CATALINA_BASE: "C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347" Using CATALINA_HOME: "C:\Users\29970\Downloads\apache-tomcat-8.5.16" Using CATALINA_TMPDIR: "C:\Users\29970\Downloads\apache-tomcat-8.5.16\temp" Using JRE_HOME: "C:\Program Files\Java\jdk1.8.0_221" Using CLASSPATH: "C:\Users\29970\Downloads\apache-tomcat-8.5.16\bin\bootstrap.jar;C:\Users\29970\Downloads\apache-tomcat-8.5.16\bin\tomcat-juli.jar" 17-Jun-2025 11:25:27.164 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.鏈嶅姟鍣ㄧ増鏈�: Apache Tomcat/8.5.50 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log 鏈嶅姟鍣ㄦ瀯寤�: Dec 7 2019 19:19:46 UTC 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log 鏈嶅姟鍣ㄧ増鏈彿(锛�8.5.50.0 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 10 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.鐗堟湰: 10.0 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log 鏋舵瀯: amd64 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 鐜鍙橀噺: C:\Program Files\Java\jdk1.8.0_221\jre 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM 鐗堟湰: 1.8.0_221-b11 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.渚涘簲鍟�: Oracle Corporation 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\Users\29970\Downloads\apache-tomcat-8.5.16 17-Jun-2025 11:25:27.166 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347\conf\logging.properties 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote= 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.password.file=C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347\jmxremote.password 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.access.file=C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347\jmxremote.access 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs= 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\29970\AppData\Local\JetBrains\IntelliJIdea2023.3\tomcat\a3b17d3f-5a1e-4645-9545-9b779b15f347 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=C:\Users\29970\Downloads\apache-tomcat-8.5.16 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=C:\Users\29970\Downloads\apache-tomcat-8.5.16\temp 17-Jun-2025 11:25:27.167 淇℃伅 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jdk1.8.0_221\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\Java\jdk1.8.0_221\bin;D:\1\bin\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;D:\ss\anaconda;D:\ss\anaconda\Scripts;D:\ss\anaconda\Library\bin;D:\ss\anaconda\Library\mingw-w64\bin;C:\Program Files\VanDyke Software\SecureCRT\;C:\Program Files\NVIDIA Corporation\NVIDIA app\NvDLISR;C:\Users\29970\Downloads\apache-tomcat-8.5.16\apache-tomcat-8.5.16\bin;%HADOOP_HOME%\bin;%HADOOP_HOME%\sbin;C:\Users\29970\AppData\Local\Microsoft\WindowsApps;C:\Program Files\Java\jdk1.8.0_221\bin;C:\Program Files\Java\jdk1.8.0_221\jre\bin;;.] 17-Jun-2025 11:25:27.267 淇℃伅 [main] org.apache.coyote.AbstractProtocol.init 鍒濆鍖栧崗璁鐞嗗櫒 ["http-nio-8081"] 17-Jun-2025 11:25:27.278 淇℃伅 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 17-Jun-2025 11:25:27.287 淇℃伅 [main] org.apache.coyote.AbstractProtocol.init 鍒濆鍖栧崗璁鐞嗗櫒 ["ajp-nio-8009"] 17-Jun-2025 11:25:27.289 淇℃伅 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 17-Jun-2025 11:25:27.290 淇℃伅 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 418 ms 17-Jun-2025 11:25:27.318 淇℃伅 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina] 17-Jun-2025 11:25:27.318 淇℃伅 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.50 17-Jun-2025 11:25:27.330 淇℃伅 [main] org.apache.coyote.AbstractProtocol.start 寮�濮嬪崗璁鐞嗗彞鏌刐"http-nio-8081"] 17-Jun-2025 11:25:27.339 淇℃伅 [main] org.apache.coyote.AbstractProtocol.start 寮�濮嬪崗璁鐞嗗彞鏌刐"ajp-nio-8009"] 17-Jun-2025 11:25:27.341 淇℃伅 [main] org.apache.catalina.startup.Catalina.start Server startup in 51 ms 已连接到服务器 [2025-06-17 11:25:27,633] 工件 CookieShop:Web exploded: 正在部署工件,请稍候… 17-Jun-2025 11:25:28.032 涓ラ噸 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:743) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1720) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:479) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:428) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileUploadException at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Class.java:2583) at java.lang.Class.getDeclaredFields(Class.java:1916) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:328) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:779) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5063) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 44 more Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileUploadException at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1358) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180) ... 57 more 17-Jun-2025 11:25:28.035 涓ラ噸 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method manageApp java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:747) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1720) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) [2025-06-17 11:25:28,068] 工件 CookieShop:Web exploded: 部署工件时出错。请参阅服务器日志了解详细信息。 at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:479) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:428) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 17-Jun-2025 11:25:28.035 涓ラ噸 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method createStandardContext javax.management.RuntimeOperationsException: Exception invoking method manageApp at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:295) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:479) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:428) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:747) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:719) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1720) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:287) ... 35 more 17-Jun-2025 11:25:37.344 淇℃伅 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰� [C:\Users\29970\Downloads\apache-tomcat-8.5.16\webapps\manager] 17-Jun-2025 11:25:37.485 淇℃伅 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [C:\Users\29970\Downloads\apache-tomcat-8.5.16\webapps\manager] has finished in [141] ms
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