上线后，过了一段时间上传文件的时候
出现错误
org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is java.io.IOException: The temporary upload location [/tmp/tomcat.2737591724424319502.8062/work/Tomcat/localhost/ROOT] is not valid
临时文件地址无效
解决方法：
①启动时增加参数-Djava.io.tmpdir=/data/web/williamy/temp
/usr/local/services/jdk1.8.0_91/bin/java -jar hq_demo-52.jar -Djava.io.tmpdir=/data/web/williamy/temp --spring.profiles.active=demo
②提供文件上传临时路径
@Bean
MultipartConfigElement multipartConfigElement() {
MultipartConfigFactory factory = new MultipartConfigFactory();
factory.setLocation("/app/pttms/tmp");
return factory.createMultipartConfig();
}
③修改application.properties
server.tomcat.basedir=${user.home}/deployer/tomcat
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