折腾：
【未解决】把Mac本地的SpringBoot的Java服务部署上传到远程服务器CentOS中
期间，参考：
去解压了SpringBoot的jar后，去启动，结果报错：
java org.springframework.boot.loader.JarLauncher Logging system failed to initialize using configuration from 'src/main/resources/log4j2.xml' java.io.FileNotFoundException: /Users/crifan/dev/dev_root/projects/xxx/src/server/xxx/xxx/target/src/main/resources/log4j2.xml (No such file or directory) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.<init>(FileInputStream.java:138) at java.io.FileInputStream.<init>(FileInputStream.java:93) at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90) at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188) at java.net.URL.openStream(URL.java:1045) at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:317) at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:288) at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246) at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223) at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127) at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76) at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53) at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:345) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) at com.crifan.xxx.AccessingDataMysqlApplication.main(AccessingDataMysqlApplication.java:12) 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) 2020-03-27 21:08:28,220 ERROR SpringApplication.java:826 - Application run failed java.lang.IllegalStateException: java.io.FileNotFoundException: /Users/crifan/dev/dev_root/projects/xxx/src/server/xxx/xxx/target/src/main/resources/log4j2.xml (No such file or directory) at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:324) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:288) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:246) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:223) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127) ~[spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:345) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at com.crifan.xxx.AccessingDataMysqlApplication.main(AccessingDataMysqlApplication.java:12) [classes/:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_112] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_112] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_112] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_112] at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [target/:?] at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [target/:?] at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) [target/:?] at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) [target/:?] Caused by: java.io.FileNotFoundException: /Users/crifan/dev/dev_root/projects/xxx/src/server/xxx/xxx/target/src/main/resources/log4j2.xml (No such file or directory) at java.io.FileInputStream.open0(Native Method) ~[?:1.8.0_112] at java.io.FileInputStream.open(FileInputStream.java:195) ~[?:1.8.0_112] at java.io.FileInputStream.<init>(FileInputStream.java:138) ~[?:1.8.0_112] at java.io.FileInputStream.<init>(FileInputStream.java:93) ~[?:1.8.0_112] at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90) ~[?:1.8.0_112] at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188) ~[?:1.8.0_112] at java.net.URL.openStream(URL.java:1045) ~[?:1.8.0_112] at org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:317) ~[spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] ... 22 more
springboot log4j2.xml No such file or directory
springboot JarLauncher log4j2.xml No such file or directory
java JarLauncher log4j2.xml No such file or directory
注意到：
src/server/xxx/xxx/src/main/resources/application.properties
logging.config=src/main/resources/log4j2.xml
配置写了此处位置，但是对应此处却没有该配置文件
所以报错。
算了，暂时懒得解决这个问题了：
毕竟是SpringBoot的jar的解压后的问题，一般很难遇到，不紧急，抽空再去解决。
转载请注明：在路上 » 【未解决】Java的SpringBoot的jar解压后用JarLauncher启动报错：log4j2.xml No such file or directory