1.报错显示：
13:43:13.869 [restartedMain] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.diagnostics.analyzer.ValidationExceptionFailureAnalyzer@2dc3b821 failed
java.lang.NoClassDefFoundError: javax/validation/ValidationException
at org.springframework.boot.diagnostics.analyzer.ValidationExceptionFailureAnalyzer.analyze(ValidationExceptionFailureAnalyzer.java:31)
at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)
at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)
at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)
at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)
at com.xu.admin.Boot05WebAdminApplication.main(Boot05WebAdminApplication.java:27)
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.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: java.lang.ClassNotFoundException: javax.validation.ValidationException
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 15 common frames omitted
13:43:13.877 [restartedMain] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.liquibase.LiquibaseChangelogMissingFailureAnalyzer@7646882b failed
java.lang.NoClassDefFoundError: liquibase/exception/ChangeLogParseException
at org.springframework.boot.liquibase.LiquibaseChangelogMissingFailureAnalyzer.analyze(LiquibaseChangelogMissingFailureAnalyzer.java:33)
at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)
at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)
at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)
at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)
at com.xu.admin.Boot05WebAdminApplication.main(Boot05WebAdminApplication.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: java.lang.ClassNotFoundException: liquibase.exception.ChangeLogParseException
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 15 common frames omitted
13:43:13.888 [restartedMain] ERROR org.springframework.boot.SpringApplication - Application run failed
org.yaml.snakeyaml.scanner.ScannerException: mapping values are not allowed here
in 'reader', line 56, column 17:
instance:
^
2.错误原因：
3.解决：
将其配置文件格式书写正确即可
标签：java,springboot,spring,boot,springframework,run,报错,SpringApplication,org From： https://www.cnblogs.com/rong-xu-drum/p/16844024.html