SpringCloud啟動失敗問題

Nacos配置讀取失敗

org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:218) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:176) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:171) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.reader.StreamReader.peek(StreamReader.java:126) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.scanner.ScannerImpl.scanToNextToken(ScannerImpl.java:1177) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:123) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:507) ~[snakeyaml-1.27.jar!/:na]
        at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:198) ~[spring-beans-5.3.8.jar!/:5.3.8]
        at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:166) ~[spring-beans-5.3.8.jar!/:5.3.8]
        at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar!/:2021.1]
com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadExtConfiguration(NacosPropertySourceLocator.java:128) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar!/:2021.1]
        at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88) [app.jar:1.0.0]
 
Caused by: java.nio.charset.MalformedInputException: Input length = 1
        at java.nio.charset.CoderResult.throwException(Unknown Source) ~[na:1.8.0_311]
        at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[na:1.8.0_311]
        at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[na:1.8.0_311]
        at java.io.InputStreamReader.read(Unknown Source) ~[na:1.8.0_311]
        at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:125) ~[snakeyaml-1.27.jar!/:na]
        at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:183) ~[snakeyaml-1.27.jar!/:na]
        ... 41 common frames omitted
 
2022-02-24 15:50:08.897 ERROR 39048 --- [           main] c.a.c.n.c.NacosPropertySourceBuilder     : parse data from Nacos error,dataId:dbsource.yml,data:spring:
  main:
    allow-bean-definition-overriding: true
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    druid:
      login-username: admin
      login-password: admin
      reset-enable: false

Root cause：

編碼不一致，nacos讀取配置文件時默認編碼為utf-8，而通過cmd啟動項目默認使用gbk。

解決方案

添加-Dfile.encoding=utf-8 啟動參數(shù)

java -Dfile.encoding=utf-8 -jar app.jar

總結(jié)

以上為個人經(jīng)驗，希望能給大家一個參考，也希望大家多多支持腳本之家。

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