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tomcat启动时报错Caused by: java.lang.StackOverflowError at org.apache.logging.log4j.util.StackLocatorUtil

2024-11-30 来源：个人技术集锦

tomcat启动时报错

报错信息，从上往下：

java.lang.IllegalStateException: Error starting child
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
		at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:978)
		at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1849)
		at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
		at java.util.concurrent.FutureTask.run(FutureTask.java:266)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
		at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:773)
		at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
		at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576)
		at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309)
		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
		at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
		at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:936)
		at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
		at java.util.concurrent.FutureTask.run(FutureTask.java:266)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
		at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
		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.catalina.startup.Bootstrap.start(Bootstrap.java:343)
		at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
	Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/onlinereading]]
		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:717)
		... 37 more
	Caused by: java.lang.StackOverflowError
		at org.apache.logging.log4j.util.StackLocatorUtil.getCallerClass(StackLocatorUtil.java:55)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:42)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:29)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:29)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:29)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:29)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:29)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:52)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
		at org.apache.logging.slf4j.SLF4JLoggerContext.getLogger(SLF4JLoggerContext.java:39)
		at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:37)

原因： log4j2的jar包与springboot中自带的日志框架loggin冲突。
解决：从依赖中去掉spring-boot自带的logging日志框架，如下：

<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
			<exclusions>
				<!-- 排除 Spring-boot-starter 默认的日志配置 -->
				<exclusion>
					<groupId>org.springframework.boot</groupId>
					<artifactId>spring-boot-starter-logging</artifactId>
				</exclusion>
			</exclusions>
		</dependency>

解决过程：

从上往下分别有三个类型的错误：

  • java.lang.IllegalStateException: Error starting child
  • Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/onlinereading]]
  • Caused by: java.lang.StackOverflowError
    分别在百度/google这三个错误信息很久都没有结果，符合这三个错误信息的内容倒是很多就是导致的具体原因都不尽相同，关键是跟我这里报错的具体原因不符。

比较烦躁。。。

烦躁之后静下心来，开始观察最后一个错误信息（这种报错一般最后面的内容是最接近原因的）的具体内容即是：

Caused by: java.lang.StackOverflowError
		at org.apache.logging.log4j.util.StackLocatorUtil.getCallerClass(StackLocatorUtil.java:55)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:42)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
		at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)

与log4j有关，然后回想起之前在项目里面加了log4j日志的相关内容，估计原因就在这里了。

通过对比前一个版本及网上搜索关键词：

at org.apache.logging.log4j.util.StackLocatorUtil.getCallerClass(StackLocatorUtil.java:55)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:42)
		at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
		at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)

得出报错的原因是log4j2的jar包重复/冲突导致的：

因为是springboot项目引入的spring-boot-starter-web中已经包含了默认的日志配置spring-boot-starter-logging，而自己又重新引入了log4j2的日志框架，两个日志框架同时存在于项目中导致了冲突。

原始配置如下：

	<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
	<!-- 引入日志依赖 自带slf4j -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-log4j2</artifactId>
		</dependency>

解决办法：从spring-boot-starter-web依赖中排除logging框架，如下所示，

<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
			<exclusions>
				<!-- 排除 Spring-boot-starter 默认的日志配置 -->
				<exclusion>
					<groupId>org.springframework.boot</groupId>
					<artifactId>spring-boot-starter-logging</artifactId>
				</exclusion>
			</exclusions>
		</dependency>

重新打包部署，启动tomcat,无报错，运行正常。
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