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我在我的项目中使用 spring-boot,并运行这个由spring-boot构建的jar文件作为Centos上的服务.当我运行此服务时:
service myApp start
我总是收到以下错误消息:
2016-08-26 09:11:02.002 ERROR 31900 --- [ main] o.s.b.c.FileEncodingApplicationListener : System property 'file.encoding' is currently 'ANSI_X3.4-1968'. It should be 'UTF-8' (as defined in 'spring.mandatoryFileEncoding').
2016-08-26 09:11:02.018 ERROR 31900 --- [ main] o.s.b.c.FileEncodingApplicationListener : Environment variable LANG is 'null'. You could use a locale setting that matches encoding='UTF-8'.
2016-08-26 09:11:02.018 ERROR 31900 --- [ main] o.s.b.c.FileEncodingApplicationListener : Environment variable LC_ALL is 'null'. You could use a locale setting that matches encoding='UTF-8'.
2016-08-26 09:11:02.031 ERROR 31900 --- [ main] o.s.boot.SpringApplication : Application startup failed
java.lang.IllegalStateException: The Java Virtual Machine has not been configured to use the desired default character encoding (UTF-8).
at org.springframework.boot.context.FileEncodingApplicationListener.onApplicationEvent(FileEncodingApplicationListener.java:74) ~[spring-boot-1.3.7.RELEASE.jar!/:1.3.7.RELEASE]
如果我直接运行此jar文件,则此应用程序正常运行.
java -jar target/myApp-1.0.jar
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.3.7.RELEASE)
......
2016-08-26 09:54:34.954 DEBUG 32035 --- [ main] o.s.w.s.resource.ResourceUrlProvider : Found resource handler mapping: URL pattern="/**", locations=[ServletContext resource [/], class path resource [META-INF/resources/], class path resource [resources/], class path resource [static/], class path resource [public/]], resolvers=[org.springframework.web.servlet.resource.PathResourceResolver@1817d444]
2016-08-26 09:54:35.051 INFO 32035 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8000 (http)
2016-08-26 09:54:35.053 DEBUG 32035 --- [ main] o.s.w.c.s.StandardServletEnvironment : Adding [server.ports] PropertySource with highest search precedence
2016-08-26 09:54:35.061 INFO 32035 --- [ main] co.nz.myApplication : Started myApplication in 12.339 seconds (JVM running for 13.183)
这是pom.xml:
<project>
....
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.7.RELEASE</version>
<relativePath/>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
</properties>
....
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
<jvmArguments>-Dfile.encoding=UTF8 -Dspring.profiles.active="production"</jvmArguments>
</configuration>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>springloaded</artifactId>
<version>1.2.5.RELEASE</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
application.properties:
....
spring.mandatory-file-encoding=UTF-8
spring.http.encoding.charset=UTF-8
spring.http.encoding.enabled=true
....
Centos上的区域设置:
$locale
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=en_US.UTF-8
我像我一样检查所有文件设置,但是我仍然不知道如何解决这个问题.如果你能给我任何建议,我将不胜感激.
最佳答案
解
添加到配置文件(对于应用程序/var/app/app.jar,它将是/var/app/app.conf)下面的行:
export LANG='en_US.UTF-8'
原因
问题出在linux systemd(服务)中.我用脚本/etc/init.d/test测试了它:
#/bin/bash
locale
命令$/etc/init.d/test的结果:
LANG=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=
和$service test的结果:
LANG=
LC_CTYPE="POSIX"
LC_NUMERIC="POSIX"
LC_TIME="POSIX"
LC_COLLATE="POSIX"
LC_MONETARY="POSIX"
LC_MESSAGES="POSIX"
LC_PAPER="POSIX"
LC_NAME="POSIX"
LC_ADDRESS="POSIX"
LC_TELEPHONE="POSIX"
LC_MEASUREMENT="POSIX"
LC_IDENTIFICATION="POSIX"
LC_ALL=
在spring boot jar文件是内置的systemd脚本,在运行spring boot之前执行以下操作:
# Source any config file
configfile="$(basename "${jarfile%.*}.conf")"
# Initialize CONF_FOLDER location defaulting to jarfolder
[[ -z "$CONF_FOLDER" ]] && CONF_FOLDER="${jarfolder}"
# shellcheck source=/dev/null
[[ -r "${CONF_FOLDER}/${configfile}" ]] && source "${CONF_FOLDER}/${configfile}"
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