【问题解决】 NacosPropertySourceBuilder :parse data from Nacos error,dataId:pearl-test.yaml,data:server:

Love The Way You Lie 2023-10-10 11:34 30阅读 0赞

### 问题场景 ###

测试spring cloud项目，使用了nacos作为配置中心，服务启动后，加载远程配置，IDEA启动正常，但打包后采用本地java -jar启动发生配置文件解析异常，报错如下  
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2020-09-16 16:46:28.542 ERROR 4452 --- [           main] c.a.c.n.c.NacosPropertySourceBuilder     : parse data from Nacos error,dataId:pearl-common.yaml,data:spring:
      redis:
        host: 127.0.0.1
        port: 6379
        database: 0
        timeout: 5000 #连接超时 毫秒
        password: 123456
        jedis:
          pool:
            maxActive: 3
            maxIdle: 3
            minIdle: 1
            maxWait: -1 #连接池最大等行时间 -1没有限制
      cloud:
        nacos:
          discovery:
            enabled: true
            server-addr: localhost:8848
            username: nacos
            password: 123456
            namespace: ba42e722-81aa-48f1-9944-9dca57d5f396
            group: PEARL_GROUP
    aaa: pearl-common.yml
    
    ,
    
    org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
            at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:218) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:176) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:171) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.reader.StreamReader.peek(StreamReader.java:126) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.scanner.ScannerImpl.scanToNextToken(ScannerImpl.java:1177) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:287) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:195) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.composer.Composer.checkNode(Composer.java:82) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:123) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:489) ~[snakeyaml-1.26.jar!/:na]
            at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:200) ~[spring-beans-5.2.8.RELEASE.jar!/:5.2.8.RELEASE]
            at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:164) ~[spring-beans-5.2.8.RELEASE.jar!/:5.2.8.RELEASE]
            at org.springframework.beans.factory.config.YamlMapFactoryBean.createMap(YamlMapFactoryBean.java:124) ~[spring-beans-5.2.8.RELEASE.jar!/:5.2.8.RELEASE]
            at org.springframework.beans.factory.config.YamlMapFactoryBean.getObject(YamlMapFactoryBean.java:104) ~[spring-beans-5.2.8.RELEASE.jar!/:5.2.8.RELEASE]
            at com.alibaba.cloud.nacos.parser.NacosDataYamlParser.doParse(NacosDataYamlParser.java:40) ~[spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.parser.AbstractNacosDataParser.parseNacosData(AbstractNacosDataParser.java:80) ~[spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.parser.AbstractNacosDataParser.parseNacosData(AbstractNacosDataParser.java:85) ~[spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.parser.NacosDataParserHandler.parseNacosData(NacosDataParserHandler.java:45) ~[spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:98) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:74) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:204) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:191) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosConfiguration(NacosPropertySourceLocator.java:161) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadSharedConfiguration(NacosPropertySourceLocator.java:117) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:101) [spring-cloud-starter-alibaba-nacos-config-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
            at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:52) [spring-cloud-context-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
            at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
            at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:98) [spring-cloud-context-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
            at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:626) [spring-boot-2.3.2.RELEASE.jar!/:2.3.2.RELEASE]
            at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:370) [spring-boot-2.3.2.RELEASE.jar!/:2.3.2.RELEASE]
            at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-2.3.2.RELEASE.jar!/:2.3.2.RELEASE]
            at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.2.RELEASE.jar!/:2.3.2.RELEASE]
            at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.2.RELEASE.jar!/:2.3.2.RELEASE]
            at org.pearl.test.TestApp.main(TestApp.java:24) [classes!/:na]
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
            at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_151]
            at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_151]
            at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) [pearl-test.jar:na]
            at org.springframework.boot.loader.Launcher.launch(Launcher.java:109) [pearl-test.jar:na]
            at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) [pearl-test.jar:na]
            at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88) [pearl-test.jar:na]
    Caused by: java.nio.charset.MalformedInputException: Input length = 1
            at java.nio.charset.CoderResult.throwException(Unknown Source) ~[na:1.8.0_151]
            at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[na:1.8.0_151]
            at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[na:1.8.0_151]
            at java.io.InputStreamReader.read(Unknown Source) ~[na:1.8.0_151]
            at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:125) ~[snakeyaml-1.26.jar!/:na]
            at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:183) ~[snakeyaml-1.26.jar!/:na]
            ... 44 common frames omitted

### 解决办法 ###

1.  分析原因，nacos读取配置文件默认使用UTF-8，通过cmd启动项目，项目默认编码格式为GBK，导致问题出现
2.  解决办法：添加启动参数-Dfile.encoding=utf-8 ，则能正常启动并读取远程配置

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

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