一、启动项目时,报错:
2021-06-04 15:32:00.962 [main] INFO org.apache.catalina.core.StandardService - Starting service [Tomcat]
2021-06-04 15:32:00.963 [main] INFO org.apache.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.34]
2021-06-04 15:32:01.002 [main] ERROR org.apache.catalina.core.ContainerBase - A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@2438dcd]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916)
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.Tomcat.start(Tomcat.java:468)
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106)
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:87)
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:437)
at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
at cn.gitv.op.points.OpPointsManagerApplication.main(OpPointsManagerApplication.java:14)
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.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:51)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52)
Caused by: java.lang.IllegalArgumentException: The main resource set specified [/tmp/tomcat-docbase.8357879999865498877.10011] is not valid
at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:752)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:709)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 46 common frames omitted
Caused by: java.lang.IllegalArgumentException: The main resource set specified [/tmp/tomcat-docbase.8357879999865498877.10011] is not valid
at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:752)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:709)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
... 46 common frames omitted
2021-06-04 15:32:01.007 [main] INFO org.apache.coyote.http11.Http11NioProtocol - Pausing ProtocolHandler ["http-nio-10011"]
2021-06-04 15:32:01.007 [main] INFO org.apache.catalina.core.StandardService - Stopping service [Tomcat]
2021-06-04 15:32:01.009 [main] INFO org.apache.coyote.http11.Http11NioProtocol - Destroying ProtocolHandler ["http-nio-10011"]
2021-06-04 15:32:01.049 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
摘出关键信息:
The main resource set specified [/tmp/tomcat-docbase.8357879999865498877.10011] is not valid.
二、磁盘满了,清理一下就行了。
使用 df命令(英文全拼:disk free),看下磁盘使用情况:(-h 人类可读)
df -h

本文介绍了在启动Spring Boot项目时遇到'The main resource set specified... is not valid.'错误的原因,分析指出这可能是因为磁盘空间不足。通过运行'df -h'命令检查磁盘使用情况,并建议清理磁盘空间来解决问题。

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