Shulou(Shulou.com)06/01 Report--

This article mainly explains "how to configure the springboot temporary file storage directory". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to configure the springboot temporary file storage directory.

Springboot temporary file storage directory configuration

Scene:

The upload file function reports an error, and then troubleshoots the log.

Error log:

The temporary upload location [/ tmp/tomcat.7957874575370093230.8088/work/Tomcat/localhost/ROOT] is not valid

Reason:

On linux, when the springboot application service starts again (the java-jar command starts the service), a tomcat* file directory is generated in the / tmp directory of the operating system, and the uploaded files are first converted to temporary files and saved in this folder.

Because files in the temporary / tmp directory are not used for a long time (10 days), they will be automatically deleted by the system mechanism. So if the system does not use temporary folders for a long time, it may cause the above problem.

Solution:

1. Create a temporary folder:

Mkdir-p / tmp/tomcat.7957874575370093230.8088/work/Tomcat/localhost/ROOT

This may happen again later.

2.application.properties reconfigures a file directory and then restarts the project

# temporary folder where Tomcat logs, Dump and other files are stored. Default is the tmp folder server.tomcat.basedir=/data/apps/temp of the system

3. Configuration class configuration temporary file storage directory

@ Bean MultipartConfigElement multipartConfigElement () {MultipartConfigFactory factory = new MultipartConfigFactory (); factory.setLocation (tmepPath); return factory.createMultipartConfig ();} Springboot modifies the storage location of temporary files and reports an error

After the project has been running online for a period of time, the following exception is thrown when uploading files:

The temporary upload location [/ tmp/tomcat.*.80/work/Tomcat/localhost/ROOT] is not valid

After searching, the following solution is adopted [modify the location of the temporary file]

Add to the application.yml file

Location: tempDir:/opt/ location/tempDir # add configuration class @ Configurationpublic class MultipartConfig {@ Value ("${location.tempDir:/opt/tempDir}") private String tempDir; @ Bean MultipartConfigElement multipartConfigElement () {MultipartConfigFactory factory = new MultipartConfigFactory (); File tmpDirFile = new File (tempDir) to the system-related location project of * unix / / determine whether the folder exists if (! tmpDirFile.exists ()) {tmpDirFile.mkdirs ();} factory.setLocation (tempDir); return factory.createMultipartConfig ();}} so far, I believe you have a deeper understanding of "how to configure the springboot temporary file storage directory". You might as well do it in practice! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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