之前2.0.4使用的yml配置方式是這樣的。
servlet:
multipart:
max-file-size: 2048Mb
max-request-size: 2048Mb
然後現在升級版本爲2.0.5時，出現報錯如下：
E:\Java\jdk\bin\java.exe -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:11897,suspend=y,server=n -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -javaagent:C:\Users\yan\.IntelliJIdea2019.2\system\captureAgent\debugger-agent.jar -Dfile.encoding=UTF-8 -classpath "E:\Java\jdk\jre\lib\charsets.jar;E:\Java\jdk\jre\lib\deploy.jar;E:\Java\jdk\jre\lib\ext\access-bridge-64.jar;E:\Java\jdk\jre\lib\ext\cldrdata.jar;E:\Java\jdk\jre\lib\ext\dnsns.jar;E:\Java\jdk\jre\lib\ext\jaccess.jar;E:\Java\jdk\jre\lib\ext\jfxrt.jar;E:\Java\jdk\jre\lib\ext\localedata.jar;E:\Java\jdk\jre\lib\ext\nashorn.jar;E:\Java\jdk\jre\lib\ext\sunec.jar;E:\Java\jdk\jre\lib\ext\sunjce_provider.jar;E:\Java\jdk\jre\lib\ext\sunmscapi.jar;E:\Java\jdk\jre\lib\ext\sunpkcs11.jar;E:\Java\jdk\jre\lib\ext\zipfs.jar;E:\Java\jdk\jre\lib\javaws.jar;E:\Java\jdk\jre\lib\jce.jar;E:\Java\jdk\jre\lib\jfr.jar;E:\Java\jdk\jre\lib\jfxswt.jar;E:\Java\jdk\jre\lib\jsse.jar;E:\Java\jdk\jre\lib\management-agent.jar;E:\Java\jdk\jre\lib\plugin.jar;E:\Java\jdk\jre\lib\resources.jar;E:\Java\jdk\jre\lib\rt.jar;E:\study\java\yu\target\classes;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter\2.2.5.RELEASE\spring-boot-starter-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot\2.2.5.RELEASE\spring-boot-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-context\5.2.4.RELEASE\spring-context-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-autoconfigure\2.2.5.RELEASE\spring-boot-autoconfigure-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-logging\2.2.5.RELEASE\spring-boot-starter-logging-2.2.5.RELEASE.jar;E:\Java\maven\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;E:\Java\maven\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;E:\Java\maven\repository\org\apache\logging\log4j\log4j-to-slf4j\2.12.1\log4j-to-slf4j-2.12.1.jar;E:\Java\maven\repository\org\apache\logging\log4j\log4j-api\2.12.1\log4j-api-2.12.1.jar;E:\Java\maven\repository\org\slf4j\jul-to-slf4j\1.7.30\jul-to-slf4j-1.7.30.jar;E:\Java\maven\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;E:\Java\maven\repository\org\springframework\spring-core\5.2.4.RELEASE\spring-core-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-jcl\5.2.4.RELEASE\spring-jcl-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\yaml\snakeyaml\1.25\snakeyaml-1.25.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-jdbc\2.2.5.RELEASE\spring-boot-starter-jdbc-2.2.5.RELEASE.jar;E:\Java\maven\repository\com\zaxxer\HikariCP\3.4.2\HikariCP-3.4.2.jar;E:\Java\maven\repository\org\springframework\spring-jdbc\5.2.4.RELEASE\spring-jdbc-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-beans\5.2.4.RELEASE\spring-beans-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-tx\5.2.4.RELEASE\spring-tx-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-web\2.2.5.RELEASE\spring-boot-starter-web-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-json\2.2.5.RELEASE\spring-boot-starter-json-2.2.5.RELEASE.jar;E:\Java\maven\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.10.2\jackson-datatype-jdk8-2.10.2.jar;E:\Java\maven\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.10.2\jackson-datatype-jsr310-2.10.2.jar;E:\Java\maven\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.10.2\jackson-module-parameter-names-2.10.2.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-validation\2.2.5.RELEASE\spring-boot-starter-validation-2.2.5.RELEASE.jar;E:\Java\maven\repository\jakarta\validation\jakarta.validation-api\2.0.2\jakarta.validation-api-2.0.2.jar;E:\Java\maven\repository\org\hibernate\validator\hibernate-validator\6.0.18.Final\hibernate-validator-6.0.18.Final.jar;E:\Java\maven\repository\org\jboss\logging\jboss-logging\3.4.1.Final\jboss-logging-3.4.1.Final.jar;E:\Java\maven\repository\org\springframework\spring-web\5.2.4.RELEASE\spring-web-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-webmvc\5.2.4.RELEASE\spring-webmvc-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-aop\5.2.4.RELEASE\spring-aop-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\springframework\spring-expression\5.2.4.RELEASE\spring-expression-5.2.4.RELEASE.jar;E:\Java\maven\repository\org\mybatis\spring\boot\mybatis-spring-boot-starter\1.3.2\mybatis-spring-boot-starter-1.3.2.jar;E:\Java\maven\repository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\1.3.2\mybatis-spring-boot-autoconfigure-1.3.2.jar;E:\Java\maven\repository\org\mybatis\mybatis\3.4.6\mybatis-3.4.6.jar;E:\Java\maven\repository\org\mybatis\mybatis-spring\1.3.2\mybatis-spring-1.3.2.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-devtools\2.2.5.RELEASE\spring-boot-devtools-2.2.5.RELEASE.jar;E:\Java\maven\repository\mysql\mysql-connector-java\8.0.11\mysql-connector-java-8.0.11.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-configuration-processor\2.2.5.RELEASE\spring-boot-configuration-processor-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\projectlombok\lombok\1.18.12\lombok-1.18.12.jar;E:\Java\maven\repository\org\springframework\boot\spring-boot-starter-tomcat\2.2.5.RELEASE\spring-boot-starter-tomcat-2.2.5.RELEASE.jar;E:\Java\maven\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.31\tomcat-embed-core-9.0.31.jar;E:\Java\maven\repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.31\tomcat-embed-el-9.0.31.jar;E:\Java\maven\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.31\tomcat-embed-websocket-9.0.31.jar;E:\Java\maven\repository\net\bytebuddy\byte-buddy\1.10.8\byte-buddy-1.10.8.jar;E:\Java\maven\repository\com\alibaba\druid-spring-boot-starter\1.1.10\druid-spring-boot-starter-1.1.10.jar;E:\Java\maven\repository\com\alibaba\druid\1.1.10\druid-1.1.10.jar;E:\Java\maven\repository\org\slf4j\slf4j-api\1.7.30\slf4j-api-1.7.30.jar;E:\Java\maven\repository\cn\hutool\hutool-all\4.1.19\hutool-all-4.1.19.jar;E:\Java\maven\repository\com\qcloud\cos_api\5.6.8\cos_api-5.6.8.jar;E:\Java\maven\repository\org\apache\httpcomponents\httpclient\4.5.11\httpclient-4.5.11.jar;E:\Java\maven\repository\org\apache\httpcomponents\httpcore\4.4.13\httpcore-4.4.13.jar;E:\Java\maven\repository\commons-codec\commons-codec\1.13\commons-codec-1.13.jar;E:\Java\maven\repository\joda-time\joda-time\2.10.5\joda-time-2.10.5.jar;E:\Java\maven\repository\com\fasterxml\jackson\core\jackson-databind\2.10.2\jackson-databind-2.10.2.jar;E:\Java\maven\repository\com\fasterxml\jackson\core\jackson-annotations\2.10.2\jackson-annotations-2.10.2.jar;E:\Java\maven\repository\com\fasterxml\jackson\core\jackson-core\2.10.2\jackson-core-2.10.2.jar;E:\Java\maven\repository\org\bouncycastle\bcprov-jdk15on\1.59\bcprov-jdk15on-1.59.jar;E:\Java\maven\repository\io\springfox\springfox-swagger2\2.7.0\springfox-swagger2-2.7.0.jar;E:\Java\maven\repository\io\swagger\swagger-annotations\1.5.13\swagger-annotations-1.5.13.jar;E:\Java\maven\repository\io\swagger\swagger-models\1.5.13\swagger-models-1.5.13.jar;E:\Java\maven\repository\io\springfox\springfox-spi\2.7.0\springfox-spi-2.7.0.jar;E:\Java\maven\repository\io\springfox\springfox-core\2.7.0\springfox-core-2.7.0.jar;E:\Java\maven\repository\io\springfox\springfox-schema\2.7.0\springfox-schema-2.7.0.jar;E:\Java\maven\repository\io\springfox\springfox-swagger-common\2.7.0\springfox-swagger-common-2.7.0.jar;E:\Java\maven\repository\io\springfox\springfox-spring-web\2.7.0\springfox-spring-web-2.7.0.jar;E:\Java\maven\repository\org\reflections\reflections\0.9.11\reflections-0.9.11.jar;E:\Java\maven\repository\org\javassist\javassist\3.21.0-GA\javassist-3.21.0-GA.jar;E:\Java\maven\repository\com\google\guava\guava\18.0\guava-18.0.jar;E:\Java\maven\repository\com\fasterxml\classmate\1.5.1\classmate-1.5.1.jar;E:\Java\maven\repository\org\springframework\plugin\spring-plugin-core\1.2.0.RELEASE\spring-plugin-core-1.2.0.RELEASE.jar;E:\Java\maven\repository\org\springframework\plugin\spring-plugin-metadata\1.2.0.RELEASE\spring-plugin-metadata-1.2.0.RELEASE.jar;E:\Java\maven\repository\org\mapstruct\mapstruct\1.1.0.Final\mapstruct-1.1.0.Final.jar;E:\Java\maven\repository\io\springfox\springfox-swagger-ui\2.7.0\springfox-swagger-ui-2.7.0.jar;D:\IntelliJ IDEA 2019.2.1\lib\idea_rt.jar" com.shegnxi.yu.YuApplication
Connected to the target VM, address: '127.0.0.1:11897', transport: 'socket'
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.2.5.RELEASE)
2020-03-14 12:34:35.239 INFO 1768 --- [ restartedMain] com.shegnxi.yu.YuApplication : Starting YuApplication on DESKTOP-6DPIGTP with PID 1768 (E:\study\java\yu\target\classes started by yan in E:\study\java\yu)
2020-03-14 12:34:35.243 INFO 1768 --- [ restartedMain] com.shegnxi.yu.YuApplication : No active profile set, falling back to default profiles: default
2020-03-14 12:34:35.303 INFO 1768 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2020-03-14 12:34:35.304 INFO 1768 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2020-03-14 12:34:35.994 WARN 1768 --- [ restartedMain] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.shengxi.yu.mapper.*]' package. Please check your configuration.
2020-03-14 12:34:36.124 WARN 1768 --- [ restartedMain] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.shegnxi.yu]' package. Please check your configuration.
2020-03-14 12:34:36.738 WARN 1768 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tomcatServletWebServerFactory' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/ServletWebServerFactoryConfiguration$EmbeddedTomcat.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'errorPageCustomizer' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/error/ErrorMvcAutoConfiguration.class]: Unsatisfied dependency expressed through method 'errorPageCustomizer' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dispatcherServletRegistration' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/DispatcherServletAutoConfiguration$DispatcherServletRegistrationConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.autoconfigure.web.servlet.DispatcherServletRegistrationBean]: Factory method 'dispatcherServletRegistration' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.servlet.MultipartAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.boot.context.properties.ConfigurationPropertiesBindException: Error creating bean with name 'spring.servlet.multipart-org.springframework.boot.autoconfigure.web.servlet.MultipartProperties': Could not bind properties to 'MultipartProperties' : prefix=spring.servlet.multipart, ignoreInvalidFields=false, ignoreUnknownFields=false; nested exception is org.springframework.boot.context.properties.bind.BindException: Failed to bind properties under 'spring.servlet.multipart.max-file-size' to org.springframework.util.unit.DataSize
2020-03-14 12:34:36.760 INFO 1768 --- [ restartedMain] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-03-14 12:34:36.764 ERROR 1768 --- [ restartedMain] o.s.b.d.LoggingFailureAnalysisReporter :
***************************
APPLICATION FAILED TO START
***************************
Description:
Failed to bind properties under 'spring.servlet.multipart.max-file-size' to org.springframework.util.unit.DataSize:
Property: spring.servlet.multipart.max-file-size
Value: 2048Mb
Origin: class path resource [application.yml]:31:22
Reason: failed to convert java.lang.String to org.springframework.util.unit.DataSize
Action:
Update your application's configuration
Disconnected from the target VM, address: '127.0.0.1:11897', transport: 'socket'
Process finished with exit code 0
這樣我們會知道報錯的就是spring.servlet.multipart.max-file-size的配置，查了一下官方的配置方案。發現只需要將Mb改成MB即可。也就是：
servlet:
multipart:
max-file-size: 2048MB
max-request-size: 2048MB
啓動成功。