Idea failed to start the project yamlexception Chinese file encoding format

Catalog

 

environmental information ：

Problem description ：

Solution ：

Solutions ：

resolvent ：

1. see application.yml Whether there is Chinese in the document

2. see application.yml The encoding format of , Is it right? UTF-8

3. Start project

4. If the project fails to start

5. Check whether the compilation format of the project is set to UTF-8

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environmental information ：

idea2021.1.1（ notes ： If it's another version idea, This problem may also occur ）

SpringBoot 2.1.15.RELEASE

Problem description ：

use idea start-up SpringBoot When the project is , The console reported an error ：

java.lang.IllegalStateException: Failed to load property source from 'file:/D:/.../classes/application.yml' (classpath:/application.yml)
 ...
Caused by: org.yaml.snakeyaml.error.YAMLException:

java.nio.charset.MalformedInputException: Input length = 1

The error description is loading application.yml When it failed , Exception is java.nio.charset.MalformedInputException. This exception involves the encoding format .

This

Solution ：

Solutions ：

1. see application.yml Whether there is Chinese in the document
2. see application.yml The encoding format of , Is it right? UTF-8
3. Check whether the compilation format of the project is set to UTF-8

resolvent ：

1. see application.yml Whether there is Chinese in the document

First of all, I looked at application.yml Whether there is Chinese in the document （ General coding problems , Both involve Chinese ）： There is Chinese

2. see application.yml The encoding format of , Is it right? UTF-8

Check it again application.yml The encoding format of , Before the revision, yes GBK.

In fact idea Set the encoding format of the file in .

idea Set file encoding format ：

File -> Settings -> Editor -> File Encodings

take Properties Files (*.properties) Under the Default encoding for properties files Set to UTF-8, take Transparent native-to-ascii conversion Check the box in front .

Be careful ：Transparent native-to-ascii conversion Also check  

If you want to Separate modified The encoding format of a file ：

Select Chinese file ,File -> File Properties -> File Encodings

3. Start project

If the project is successfully launched , Then there is no need for subsequent operations

4. If the project fails to start

take applicat.yml Copy the contents in , Delete application.yml file , newly build application.yml file , Copy the copied content into .

Or will application.yml After deleting the Chinese in the document , Input Chinese manually again .

Do this above , It is to make the Chinese format in the document become UTF-8 code .

Start project , See if it can start normally .

5. Check whether the compilation format of the project is set to UTF-8

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
</properties>