注解 java.lang.annotation.Inherited 介绍

本文详细解析了Java中@Inherited注解的功能与应用场景,特别是其在SpringBoot中的运用方式,通过示例展示了注解如何在类继承过程中传递。

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在Spring Boot中大量使用了@Inherited注解。我们来了解一下这个注解的用法,注解的源码:

package java.lang.annotation;

/**
 * Indicates that an annotation type is automatically inherited.  If
 * an Inherited meta-annotation is present on an annotation type
 * declaration, and the user queries the annotation type on a class
 * declaration, and the class declaration has no annotation for this type,
 * then the class's superclass will automatically be queried for the
 * annotation type.  This process will be repeated until an annotation for this
 * type is found, or the top of the class hierarchy (Object)
 * is reached.  If no superclass has an annotation for this type, then
 * the query will indicate that the class in question has no such annotation.
 *
 * <p>Note that this meta-annotation type has no effect if the annotated
 * type is used to annotate anything other than a class.  Note also
 * that this meta-annotation only causes annotations to be inherited
 * from superclasses; annotations on implemented interfaces have no
 * effect.
 *
 * @author  Joshua Bloch
 * @since 1.5
 * @jls 9.6.3.3 @Inherited
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
public @interface Inherited {
}

注解的作用:

当某个注解类在它的类上定义了@Inherited注解,例如SpringBoot中的 @SpringBootApplication注解,@SpringBootApplication注解类就定义了@Inherited注解,看下源码中的红色部分:

@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@SpringBootConfiguration
@EnableAutoConfiguration
@ComponentScan(excludeFilters = {
        @Filter(type = FilterType.CUSTOM, classes = TypeExcludeFilter.class),
        @Filter(type = FilterType.CUSTOM, classes = AutoConfigurationExcludeFilter.class) })
public @interface SpringBootApplication {

  // .....省略

}

那么现在有一个我们自己开发的类使用了这个注解,例如:

@SpringBootApplication
@Service
public class Person { }

然后有个类Employee继承了Person

public class Employee extends Person{

}

那么现在在判断Employee类上有没有@SpringBootApplication时,通过代码验证:

@Test
    public void test1(){
        
        Class clazz = Employee.class ;
        if(clazz.isAnnotationPresent(SpringBootApplication.class)){
            System.out.println("true");     
        }
        
    }

上面这个测试用例执行将输出true,也就是子类中能查找到@SpringBootApplication ,但同样,你用上述代码查找Employee类上是否有Spring的@Service注解时,会输出false,至此你应该明白@Inherited注解的用意了吧。

经过这样的分析,我们再来读一下JDK的文档,就会比较容易理解了,否则会觉的有些绕,下面列出 @interface注解的中文文档:

指示注释类型被自动继承。如果在注释类型声明中存在 Inherited 元注释,并且用户在某一类声明中查询该注释类型,同时该类声明中没有此类型的注释,则将在该类的超类中自动查询该注释类型。此过程会重复进行,直到找到此类型的注释或到达了该类层次结构的顶层 (Object) 为止。如果没有超类具有该类型的注释,则查询将指示当前类没有这样的注释。

注意,如果使用注释类型注释类以外的任何事物,此元注释类型都是无效的。还要注意,此元注释仅促成从超类继承注释;对已实现接口的注释无效。

 

转载于:https://www.cnblogs.com/hzhuxin/p/7799899.html

C:\Users\12527\apache-tomcat-9.0.100\bin\catalina.bat run [2025-05-13 10:55:19,558] 工件 system:war exploded: 正在等待服务器连接以启动工件部署… Using CATALINA_BASE: "C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc" Using CATALINA_HOME: "C:\Users\12527\apache-tomcat-9.0.100" Using CATALINA_TMPDIR: "C:\Users\12527\apache-tomcat-9.0.100\temp" Using JRE_HOME: "C:\Users\12527\.jdks\temurin-22.0.2" Using CLASSPATH: "C:\Users\12527\apache-tomcat-9.0.100\bin\bootstrap.jar;C:\Users\12527\apache-tomcat-9.0.100\bin\tomcat-juli.jar" Using CATALINA_OPTS: "" NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED 13-May-2025 10:55:20.722 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.服务器版本: Apache Tomcat/9.0.100 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器构建: Feb 13 2025 11:29:56 UTC 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器版本号: 9.0.100.0 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 操作系统名称: Windows 11 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.版本: 10.0 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 架构: amd64 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 环境变量: C:\Users\12527\.jdks\temurin-22.0.2 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java虚拟机版本: 22.0.2+9 13-May-2025 10:55:20.724 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.供应商: Eclipse Adoptium 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: C:\Users\12527\apache-tomcat-9.0.100 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: --add-opens=java.base/java.lang=ALL-UNNAMED 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: --add-opens=java.base/java.io=ALL-UNNAMED 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: --add-opens=java.base/java.util=ALL-UNNAMED 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: --add-opens=java.base/java.util.concurrent=ALL-UNNAMED 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djava.util.logging.config.file=C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc\conf\logging.properties 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 13-May-2025 10:55:20.725 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcom.sun.management.jmxremote= 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcom.sun.management.jmxremote.port=1099 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcom.sun.management.jmxremote.ssl=false 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcom.sun.management.jmxremote.password.file=C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc\jmxremote.password 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcom.sun.management.jmxremote.access.file=C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc\jmxremote.access 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djava.rmi.server.hostname=127.0.0.1 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djdk.tls.ephemeralDHKeySize=2048 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dsun.io.useCanonCaches=false 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dignore.endorsed.dirs= 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcatalina.base=C:\Users\12527\AppData\Local\JetBrains\IntelliJIdea2022.2\tomcat\65fada1a-4c68-4c21-b3b6-bcc92846abdc 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Dcatalina.home=C:\Users\12527\apache-tomcat-9.0.100 13-May-2025 10:55:20.726 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数: -Djava.io.tmpdir=C:\Users\12527\apache-tomcat-9.0.100\temp 13-May-2025 10:55:20.729 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent 使用APR版本[1.7.4]加载了基于APR的Apache Tomcat本机库[1.3.1]。 13-May-2025 10:55:20.729 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR功能:IPv6[true]、sendfile[true]、accept filters[false]、random[true]、UDS [true]。 13-May-2025 10:55:20.729 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL配置:useAprConnector[false],useOpenSSL[true] 13-May-2025 10:55:20.733 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL成功初始化 [OpenSSL 3.0.14 4 Jun 2024] 13-May-2025 10:55:20.846 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["http-nio-8080"] 13-May-2025 10:55:20.857 信息 [main] org.apache.catalina.startup.Catalina.load 服务器在[276]毫秒内初始化 13-May-2025 10:55:20.902 信息 [main] org.apache.catalina.core.StandardService.startInternal 正在启动服务[Catalina] 13-May-2025 10:55:20.902 信息 [main] org.apache.catalina.core.StandardEngine.startInternal 正在启动 Servlet 引擎:[Apache Tomcat/9.0.100] 13-May-2025 10:55:20.911 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"] 13-May-2025 10:55:20.949 信息 [main] org.apache.catalina.startup.Catalina.start [90]毫秒后服务器启动 已连接到服务器 [2025-05-13 10:55:21,189] 工件 system:war exploded: 正在部署工件,请稍候… 13-May-2025 10:55:21.499 警告 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.descriptor.web.WebXml.setVersion 未知版本字符串 [5.0]。将使用默认版本。 13-May-2025 10:55:21.655 警告 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.descriptor.web.WebXml.setVersion 未知版本字符串 [5.0]。将使用默认版本。 13-May-2025 10:55:23.948 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke 调用方法[manageApp]时发生异常 java.lang.IllegalStateException: 启动子级时出错 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:602) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:571) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:603) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1751) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:264) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:453) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:407) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:264) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at java.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1310) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1412) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:598) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:844) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:721) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:720) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1570) Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/system_war_exploded]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:406) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:179) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:599) ... 36 more Caused by: java.lang.IllegalStateException: 由于StackOverflower错误,无法完成对web应用程序[/system_war_exploded]的批注的扫描。可能的根本原因包括-Xss的设置过低和非法的循环继承依赖项。正在处理的类层次结构是[com.opensymphony.xwork2.interceptor.NoParameters->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object] at org.apache.catalina.startup.ContextConfig.checkHandlesTypes(ContextConfig.java:2307) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2247) at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2204) at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:2177) at org.apache.catalina.startup.ContextConfig.scanWebXmlFragment(ContextConfig.java:2085) at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:2065) at org.apache.catalina.startup.ContextConfig.processClasses(ContextConfig.java:1372) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1273) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:973) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:290) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:109) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4407) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ... 37 more 13-May-2025 10:55:23.950 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke 调用方法[createStandardContext]时发生异常 javax.management.RuntimeOperationsException: 调用方法[manageApp]时发生异常 at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:274) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:453) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:407) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:264) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at java.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1310) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1412) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360) [2025-05-13 10:55:23,969] 工件 system:war exploded: 部署工件时出错。请参阅服务器日志了解详细信息。 at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:598) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:844) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:721) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:720) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1570) Caused by: java.lang.IllegalStateException: 启动子级时出错 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:602) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:571) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:603) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1751) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:264) ... 30 more Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/system_war_exploded]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:406) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:179) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:599) ... 36 more Caused by: java.lang.IllegalStateException: 由于StackOverflower错误,无法完成对web应用程序[/system_war_exploded]的批注的扫描。可能的根本原因包括-Xss的设置过低和非法的循环继承依赖项。正在处理的类层次结构是[com.opensymphony.xwork2.interceptor.NoParameters->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object->java.lang.Object] at org.apache.catalina.startup.ContextConfig.checkHandlesTypes(ContextConfig.java:2307) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2247) at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2204) at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:2177) at org.apache.catalina.startup.ContextConfig.scanWebXmlFragment(ContextConfig.java:2085) at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:2065) at org.apache.catalina.startup.ContextConfig.processClasses(ContextConfig.java:1372) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1273) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:973) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:290) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:109) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4407) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) ... 37 more 13-May-2025 10:55:30.932 信息 [Catalina-utility-1] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [C:\Users\12527\apache-tomcat-9.0.100\webapps\manager] 13-May-2025 10:55:31.244 信息 [Catalina-utility-1] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录,以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。 13-May-2025 10:55:31.278 信息 [Catalina-utility-1] org.apache.catalina.startup.HostConfig.deployDirectory Web应用程序目录[C:\Users\12527\apache-tomcat-9.0.100\webapps\manager]的部署已在[346]毫秒内完成
05-14
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