SpringBoot应用启动org.apache.catalina.LifecycleException在开发和部署Spring Boot应用程序时,有时可能会遇到org.apache.catalina.LifecycleException 问题描述org.apache.catalina.LifecycleException异常通常会伴随着以下错误消息出现:plaintextCopy codeorg.apache.catalina.LifecycleException 应用场景示例:数据库连接异常导致的org.apache.catalina.LifecycleException异常假设我们正在开发一个基于Spring Boot的电子商务网站。 然而,当数据库连接不可用时,就会出现org.apache.catalina.LifecycleException异常。 这样,就能避免出现org.apache.catalina.LifecycleException异常。 当然,在实际应用中,我们还可以使用数据库连接池来管理数据库连接,以提高性能和可靠性。
时直接启动部署dubbo服务的war包程序运行正常,但是执行junit单元测试时却出现如下错误提示: java.lang.NoClassDefFoundError: org/apache/catalina/LifecycleException org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) Caused by: java.lang.ClassNotFoundException: org.apache.catalina.LifecycleException
* * @exception LifecycleException If this server was already initialized. */ public void initialize() throws LifecycleException; } ---- StandardServer类 ---- initialize方法 /** { if (initialized) throw new LifecycleException ( sm.getString(" void initialize() throws LifecycleException; } ---- StandardService类 ---- Connector和Container { if (initialized) throw new LifecycleException ( sm.getString("
; // 启动方法 public void start() throws LifecycleException; // 停止方法,和start对应 public void stop() throws LifecycleException; // 销毁方法,和init对应 public void destroy() throws LifecycleException init() @Override public final synchronized void init() throws LifecycleException { // 非NEW状态,不允许调用 // 初始化方法 protected abstract void initInternal() throws LifecycleException; // 启动方法 protected abstract LifecycleException; // 销毁方法 protected abstract void destroyInternal() throws LifecycleException; 总结
; // 启动方法 public void start() throws LifecycleException; // 停止方法,和start对应 public void stop() throws LifecycleException; // 销毁方法,和init对应 public void destroy() throws LifecycleException ; // 启动方法 protected abstract void startInternal() throws LifecycleException; // 停止方法 protected abstract void stopInternal() throws LifecycleException; // 销毁方法 protected abstract void destroyInternal() throws LifecycleException;
13.5 SpringBoot应用启动错误org.apache.catalina.LifecycleException === 错误日志 org.apache.catalina.LifecycleException
@Override protected void startInternal() throws LifecycleException { if(log.isInfoEnabled()) @Override protected synchronized void startInternal() throws LifecycleException { // 前面代码我跳过了,不重要 @Override protected synchronized void startInternal() throws LifecycleException { // 前面代码... protected synchronized void startInternal() throws LifecycleException { // 前面代码... 找到子类重写的startInernal(),源码如下: @Override public void startInternal() throws LifecycleException { setState
A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.apache.catalina.LifecycleException A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:493) Caused by: org.apache.catalina.LifecycleException 严重: The required Server component failed to start so Tomcat is unable to start. org.apache.catalina.LifecycleException
; public void stop() throws LifecycleException; The most important methods in Lifecycle are start If it has, it throws a LifecycleException SimpleContext 中的启动方法首先会检查组件是否已被启动。 如果是,则抛出生命周期异常(LifecycleException)。 If not, it throws a LifecycleException stop 方法首先检查实例是否已启动。如果没有,则抛出一个 LifecycleException if (! If not, it throws a LifecycleException. 然后,它会检查包装器是否已启动。 如果没有,则抛出 LifecycleException。 if (!
new server try { //调用Server的start方法,启动Server组件 getServer().start(); } catch (LifecycleException ("catalina.serverStartFail"), e); try { getServer().destroy(); } catch (LifecycleException StandardServer.startInternal protected void startInternal() throws LifecycleException { fireLifecycleEvent StandardService.startInternal protected void startInternal() throws LifecycleException { setState StandardEngine.startInternal @Override protected synchronized void startInternal() throws LifecycleException
JNDI:就是通过配置一些xml文件,方便用户直接调用API使用某些通用的资源(不常用,不做过多介绍了) @Override protected void initInternal() throws LifecycleException LifecycleBase的父类LifecycleMBeanBase没有startInternal方法的实现 public final synchronized void start() throws LifecycleException t); // 异常状态 setStateInternal(LifecycleState.FAILED, null, false); throw new LifecycleException #start 更正当前组件状态为STARTING(启动过程中状态) 核心内容启动所有service组件 @Override protected void startInternal() throws LifecycleException LifecycleBase实现,具体实现留给子类 核心内容调用所有Service组件destroy方法 @Override protected void destroyInternal() throws LifecycleException
* * @exception LifecycleException If this server was already * initialized . */ public void initialize() throws LifecycleException; } The shutdown property Listing 14.3: The start method 代码清单14.3:start 方法 public void start() throws LifecycleException { // started) throw new LifecycleException (sm.getString("standardServer.stop.notStarted")); // Notify . */ public void initialize() throws LifecycleException; } StandardService(标准服务
/ 第五步 getServer() 创建Server // 第六步 init() Server初始化 getServer().init(); } catch (LifecycleException the new server try { // 第十六步 start() Server启动 getServer().start(); } catch (LifecycleException ("catalina.serverStartFail"), e); try { getServer().destroy(); } catch (LifecycleException 3.15 第二十二步 start() Connector启动 @Override protected void startInternal() throws LifecycleException { // Validate settings before starting if (getPort() < 0) { thrownew LifecycleException
) { // NOOP by default } // 初始化逻辑 @Override protected void initInternal() throws LifecycleException LifecycleState.STARTING); } // 停止逻辑 @Override protected synchronized void stopInternal() throws LifecycleException NOOP } // 开始逻辑,调用所有阀门的start方法 @Override protected synchronized void startInternal() throws LifecycleException )) { try { ((Lifecycle) oldBasic).stop(); } catch (LifecycleException instanceof Lifecycle) { try { ((Lifecycle) valve).start(); } catch (LifecycleException
错误日志 org.apache.catalina.LifecycleException: A child container failed during start 原因分析 项目依赖里面单独指定了servlet-api
public final synchronized void init() throws LifecycleException { if (! protected void initInternal() throws LifecycleException { // 省去前面不重要代码 ... @Override protected void initInternal() throws LifecycleException { super.initInternal(); if @Override protected void initInternal() throws LifecycleException { super.initInternal(); if @Override protected void initInternal() throws LifecycleException { //...
); 13 14 // Start the new server 15 try { 16 getServer().start(); 17 } catch (LifecycleException catalina.serverStartFail"), e); 19 try { 20 getServer().destroy(); 21 } catch (LifecycleException )的实现吧: org.apache.catalina.util.LifecycleBase#start 1 public final synchronized void init() throws LifecycleException ports under Unix operating environments. 4 */ 5 @Override 6 protected void initInternal() throws LifecycleException 的实现: org.apache.catalina.core.StandardServer#startInternal 1 protected void startInternal() throws LifecycleException
the new server try { //启动服务 这些是通过责任链进行管理 进行初始化操作 getServer().init(); } catch (LifecycleException org.apache.catalina.core.StandardServer#initInternal @Override protected void initInternal() throws LifecycleException ; // Start the new server try { //初始化服务操作 getServer().init(); } catch (LifecycleException org.apache.catalina.util.LifecycleBase#init @Override public final synchronized void init() throws LifecycleException ("catalina.serverStartFail"), e); try { getServer().destroy(); } catch (LifecycleException
A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.catalina.LifecycleException A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException Launcher.java:356) at org.codehaus.classworlds.Launcher.main(Launcher.java:47) Caused by: org.apache.catalina.LifecycleException ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.catalina.LifecycleException
A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428) Caused by: org.apache.catalina.LifecycleException 严重: The required Server component failed to start so Tomcat is unable to start. org.apache.catalina.LifecycleException at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428) Caused by: org.apache.catalina.LifecycleException