[英]Spring Boot fails to start up in Docker container
我有一个 Spring 引导应用程序,我可以在本地运行而不会出错。 我试图在 Docker 容器中运行它,但我遇到了我不明白的新错误。
Dockerfile:
FROM maven:3.8-jdk-8 AS build
COPY . /usr/app
WORKDIR /usr/app
RUN mvn clean package
FROM openjdk:8-alpine
COPY --from=build /usr/app/target/myapp-*.jar /usr/app/myapp.jar
EXPOSE 8080
ENTRYPOINT ["java","-jar","/usr/app/myapp.jar"]
错误堆栈顶部:
WARN 8 --- [ main] com.amazonaws.util.EC2MetadataUtils : Unable to retrieve the requested metadata (/latest/dynamic/instance-identity/document). Failed to connect to service endpoint:
com.amazonaws.SdkClientException: Failed to connect to service endpoint:
at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:100) ~[aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.internal.EC2ResourceFetcher.doReadResource(EC2ResourceFetcher.java:70) ~[aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.internal.InstanceMetadataServiceResourceFetcher.readResource(InstanceMetadataServiceResourceFetcher.java:75) ~[aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.internal.EC2ResourceFetcher.readResource(EC2ResourceFetcher.java:66) ~[aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.util.EC2MetadataUtils.getItems(EC2MetadataUtils.java:402) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.util.EC2MetadataUtils.getData(EC2MetadataUtils.java:371) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.util.EC2MetadataUtils.getData(EC2MetadataUtils.java:367) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.util.EC2MetadataUtils.getEC2InstanceRegion(EC2MetadataUtils.java:282) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.regions.InstanceMetadataRegionProvider.tryDetectRegion(InstanceMetadataRegionProvider.java:59) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.regions.InstanceMetadataRegionProvider.getRegion(InstanceMetadataRegionProvider.java:50) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.regions.AwsRegionProviderChain.getRegion(AwsRegionProviderChain.java:46) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.client.builder.AwsClientBuilder.determineRegionFromRegionProvider(AwsClientBuilder.java:475) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.client.builder.AwsClientBuilder.setRegion(AwsClientBuilder.java:458) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.client.builder.AwsClientBuilder.configureMutableProperties(AwsClientBuilder.java:424) [aws-java-sdk-core-1.11.792.jar!/:na]
at com.amazonaws.client.builder.AwsSyncClientBuilder.build(AwsSyncClientBuilder.java:46) [aws-java-sdk-core-1.11.792.jar!/:na]
at org.springframework.cloud.aws.autoconfigure.secretsmanager.AwsSecretsManagerBootstrapConfiguration.smClient(AwsSecretsManagerBootstrapConfiguration.java:63) [spring-cloud-starter-aws-secrets-manager-config-2.2.6.RELEASE.jar!/:2.2.6.RELEASE]
我不确定这个错误是否重要,因为我在本地看到了类似的东西(尽管现在已经解决了)并且应用程序仍然启动。
创建bean时出错(我认为这是导致崩溃的原因):
ERROR 23 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration': Unsatisfied dependency expressed through field 'propertySourceLocators'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'awsSecretsManagerPropertySourceLocator' defined in class path resource [org/springframework/cloud/aws/autoconfigure/secretsmanager/AwsSecretsManagerBootstrapConfiguration.class]: Unsatisfied dependency expressed through method 'awsSecretsManagerPropertySourceLocator' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'smClient' defined in class path resource [org/springframework/cloud/aws/autoconfigure/secretsmanager/AwsSecretsManagerBootstrapConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.amazonaws.services.secretsmanager.AWSSecretsManager]: Factory method 'smClient' threw exception; nested exception is com.amazonaws.SdkClientException: Unable to find a region via the region provider chain. Must provide an explicit region in the builder or setup environment to supply a region.
我将本地 maven 版本与第一张图像中的版本进行了比较,它们是相同的。 我的本地 java 版本是 1.8.0_275,而我尝试使用版本为 1.8.0_212 和 1.8.0_312 的图像(我还没有找到具有完全相同版本的图像)。 我什至尝试将工作的 jar 复制到图像中,而不是将其构建为 Docker 构建的一部分,但我得到了完全相同的错误。
编辑:这是我的具有 aws 区域的 bootstrap.yml 文件
aws:
secretsmanager:
name: myapp-s3-creds
cloud:
aws:
region:
static: eu-west-1
如果你有docker-compose.yml
文件,你可以在 environment 标签中指定 ff 环境变量:
environment:
- AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
- AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}
在 docker-compose 文件的目录中创建一个.env
文件,并设置 aws env vars 的值:
AWS_ACCESS_KEY_ID = your_access_key_id
AWS_SECRET_ACCESS_KEY = your_secret_access_key
在 docker-compose 构建或更高版本上,值将从.env
文件复制到占位符中。
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