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Spring Boot 應用程序無法在 Elastic Beanstalk 上啟動

[英]Spring Boot App Fails to Start on Elastic Beanstalk

 原文  2019-08-11 16:27:20  7   2    java/ spring-boot/ amazon-elastic-beanstalk

問題描述

我正在嘗試在 Elastic Beanstalk 上運行我的 Spring Boot + MySQL 應用程序。 無論我嘗試什么，我都會得到502 Bad Gateway 。 我曾嘗試將 Spring Boot 端口更改為 5000，但似乎根本沒有幫助。

我嘗試在application.properties添加server.port=5000 。 我也嘗試添加server.port=${PORT} 。

每次我eb deploy日志時都會顯示：

03:08:21.096 [main] INFO  t.t.TrackMyWaterChangeApplication - Starting TrackMyWaterChangeApplication v0.0.1-SNAPSHOT on ip-172-31-41-134 with PID 6105 (/var/app/current/application.jar started by webapp in /var/app/current)
03:08:21.098 [main] INFO  t.t.TrackMyWaterChangeApplication - No active profile set, falling back to default profiles: default
03:08:54.024 [main] INFO  o.s.d.r.c.RepositoryConfigurationDelegate - Bootstrapping Spring Data repositories in DEFAULT mode.
03:08:56.577 [main] INFO  o.s.d.r.c.RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 2305ms. Found 4 repository interfaces.
03:09:20.544 [main] INFO  o.s.c.s.PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$c95c6ba6] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
03:09:35.665 [main] INFO  o.s.b.w.e.tomcat.TomcatWebServer - Tomcat initialized with port(s): 5000 (http)
03:09:36.122 [main] INFO  o.a.coyote.http11.Http11NioProtocol - Initializing ProtocolHandler ["http-nio-5000"]
03:09:36.533 [main] INFO  o.a.catalina.core.StandardService - Starting service [Tomcat]
03:09:36.533 [main] INFO  o.a.catalina.core.StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.21]
03:09:39.127 [main] INFO  o.a.c.c.C.[Tomcat].[localhost].[/] - Initializing Spring embedded WebApplicationContext
03:09:39.128 [main] INFO  o.s.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 75522 ms
03:09:59.224 [main] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Starting...
03:10:08.318 [main] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Start completed.
03:10:08.880 [main] INFO  org.hibernate.Version - HHH000412: Hibernate Core {5.3.10.Final}
03:10:08.889 [main] INFO  org.hibernate.cfg.Environment - HHH000205: Loaded properties from resource hibernate.properties: {hibernate.dialect=org.hibernate.dialect.MySQLDialect, hibernate.bytecode.use_reflection_optimizer=false}
03:10:09.268 [main] INFO  o.h.annotations.common.Version - HCANN000001: Hibernate Commons Annotations {5.0.4.Final}
03:10:10.046 [main] INFO  org.hibernate.dialect.Dialect - HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
03:10:12.003 [main] INFO  o.s.o.j.LocalContainerEntityManagerFactoryBean - Initialized JPA EntityManagerFactory for persistence unit 'default'
03:10:13.291 [main] INFO  o.h.h.i.QueryTranslatorFactoryInitiator - HHH000397: Using ASTQueryTranslatorFactory
03:10:14.039 [main] INFO  o.s.o.j.LocalContainerEntityManagerFactoryBean - Closing JPA EntityManagerFactory for persistence unit 'default'
03:10:14.041 [main] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Shutdown initiated...
03:10:14.049 [main] INFO  com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Shutdown completed.
03:10:14.063 [main] INFO  o.a.catalina.core.StandardService - Stopping service [Tomcat]

我的假設是應用程序永遠不會因為最后一行（ oacatalina.core.StandardService - Stopping service [Tomcat] ）而啟動。 當我將端口設置為 5000 時，它在本地運行時有效。要部署應用程序，我使用mvn clean package然后使用eb deploy 。 如果我從 Windows PC 上的命令行運行打包的 JAR，它運行沒有問題。 這是我的pom.xml文件的<build>部分：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>
    <groupId>themayoras</groupId>
    <artifactId>trackmywaterchange</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>trackmywaterchange</name>
    <description>Web Project for tracking water change schedules</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-core</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- Hibernate Validator -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>6.0.17.Final</version>
        </dependency>

        <!-- thymeleaf -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

        <!-- AOP -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>

        <!-- Spring Security -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>


        <!-- SL4FJ Logging -->

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.5</version>
        </dependency>


        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.2.3</version>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <mainClass>${start-class}</mainClass>
                    <layout>JAR</layout>
                </configuration>

                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

編輯：我在/var/log/nginx/error.log下收到一條新的日志消息，內容為

Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
2019/08/11 16:48:57 [error] 1293#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 35.21.86.49, server: , request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:5000/", host: "trackmywaterchange.us-east-2.elasticbeanstalk.com"
2019/08/11 16:48:57 [error] 1293#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 35.21.86.49, server: , request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:5000/favicon.ico", host: "trackmywaterchange.us-east-2.elasticbeanstalk.com", referrer: "http://trackmywaterchange.us-east-2.elasticbeanstalk.com/"

/var/logs/nginx/error.log下的日志

2019/08/11 03:16:33 [error] 6663#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 35.21.86.49, server: , request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:5000/favicon.ico", host: "trackmywaterchange.us-east-2.elasticbeanstalk.com", referrer: "http://trackmywaterchange.us-east-2.elasticbeanstalk.com/"
2019/08/11 05:40:09 [warn] 6663#0: *4 using uninitialized "year" variable while logging request, client: 194.32.117.3, server: , request: "GET / HTTP/1.1"
2019/08/11 05:40:09 [warn] 6663#0: *4 using uninitialized "month" variable while logging request, client: 194.32.117.3, server: , request: "GET / HTTP/1.1"
2019/08/11 05:40:09 [warn] 6663#0: *4 using uninitialized "day" variable while logging request, client: 194.32.117.3, server: , request: "GET / HTTP/1.1"
2019/08/11 05:40:09 [warn] 6663#0: *4 using uninitialized "hour" variable while logging request, client: 194.32.117.3, server: , request: "GET / HTTP/1.1"
2019/08/11 13:26:14 [warn] 6663#0: *26 using uninitialized "year" variable while logging request, client: 164.132.153.130, server: , request: "CONNECT i.instagram.com:443 HTTP/1.1"
2019/08/11 13:26:14 [warn] 6663#0: *26 using uninitialized "month" variable while logging request, client: 164.132.153.130, server: , request: "CONNECT i.instagram.com:443 HTTP/1.1"
2019/08/11 13:26:14 [warn] 6663#0: *26 using uninitialized "day" variable while logging request, client: 164.132.153.130, server: , request: "CONNECT i.instagram.com:443 HTTP/1.1"
2019/08/11 13:26:14 [warn] 6663#0: *26 using uninitialized "hour" variable while logging request, client: 164.132.153.130, server: , request: "CONNECT i.instagram.com:443 HTTP/1.1"
2019/08/11 14:30:49 [warn] 6663#0: *33 using uninitialized "year" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:49 [warn] 6663#0: *33 using uninitialized "month" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:49 [warn] 6663#0: *33 using uninitialized "day" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:49 [warn] 6663#0: *33 using uninitialized "hour" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:50 [warn] 6663#0: *32 using uninitialized "year" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:50 [warn] 6663#0: *32 using uninitialized "month" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:50 [warn] 6663#0: *32 using uninitialized "day" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:50 [warn] 6663#0: *32 using uninitialized "hour" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:58 [warn] 6663#0: *34 using uninitialized "year" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:58 [warn] 6663#0: *34 using uninitialized "month" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:58 [warn] 6663#0: *34 using uninitialized "day" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:30:58 [warn] 6663#0: *34 using uninitialized "hour" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:31:06 [warn] 6663#0: *35 using uninitialized "year" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:31:06 [warn] 6663#0: *35 using uninitialized "month" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:31:06 [warn] 6663#0: *35 using uninitialized "day" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:31:06 [warn] 6663#0: *35 using uninitialized "hour" variable while logging request, client: 110.249.212.46, server: , request: "GET http://110.249.212.46/testget?q=23333&port=80 HTTP/1.1"
2019/08/11 14:33:45 [warn] 6663#0: *36 using uninitialized "year" variable while logging request, client: 66.240.205.34, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
2019/08/11 14:33:45 [warn] 6663#0: *36 using uninitialized "month" variable while logging request, client: 66.240.205.34, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
2019/08/11 14:33:45 [warn] 6663#0: *36 using uninitialized "day" variable while logging request, client: 66.240.205.34, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
2019/08/11 14:33:45 [warn] 6663#0: *36 using uninitialized "hour" variable while logging request, client: 66.240.205.34, server: , request: "145.ll|'|'|SGFjS2VkX0Q0OTkwNjI3|'|'|WIN-JNAPIER0859|'|'|JNapier|'|'|19-02-01|'|'||'|'|Win 7 Professional SP1 x64|'|'|No|'|'|0.7d|'|'|..|'|'|AA==|'|'|112.inf|'|'|SGFjS2VkDQoxOTIuMTY4LjkyLjIyMjo1NTUyDQpEZXNrdG9wDQpjbGllbnRhLmV4ZQ0KRmFsc2UNCkZhbHNlDQpUcnVlDQpGYWxzZQ==12.act|'|'|AA=="
2019/08/11 16:48:57 [error] 1293#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 35.21.86.49, server: , request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:5000/", host: "trackmywaterchange.us-east-2.elasticbeanstalk.com"
2019/08/11 16:48:57 [error] 1293#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 35.21.86.49, server: , request: "GET /favicon.ico HTTP/1.1", upstream: "http://127.0.0.1:5000/favicon.ico", host: "trackmywaterchange.us-east-2.elasticbeanstalk.com", referrer: "http://trackmywaterchange.us-east-2.elasticbeanstalk.com/"

/etc/nginx/nginx.conf ：

user                    nginx;
error_log               /var/log/nginx/error.log warn;
pid                     /var/run/nginx.pid;
worker_processes        auto;
worker_rlimit_nofile    32793;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    include       conf.d/*.conf;

    map $http_upgrade $connection_upgrade {
        default     "upgrade";
    }

    server {
        listen        80 default_server;
        access_log    /var/log/nginx/access.log main;

        client_header_timeout 60;
        client_body_timeout   60;
        keepalive_timeout     60;
        gzip                  off;
        gzip_comp_level       4;
        gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;

        # Include the Elastic Beanstalk generated locations
        include conf.d/elasticbeanstalk/*.conf;
    }
}

2 個解決方案

解決方案1
 1  2019-08-11 17:13:14

似乎您的 pom 中缺少以下依賴項，您能否更新完整的 pom 有問題？

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

解決方案2
 1 已采納  2020-02-24 12:36:53

這最終導致數據庫連接失敗。

如果您在日志中注意到，有這一行：

03:10:13.291 [main] INFO  o.h.h.i.QueryTranslatorFactoryInitiator - HHH000397: Using ASTQueryTranslatorFactory

事實證明，這一步后啟動失敗。 不幸的是，沒有一個很好的錯誤信息描述出了什么問題，但經過大量測試，我發現這是由於連接數據庫失敗造成的。

以下是我采取的基本故障排除步驟。

  1. 本地驗證：

    這應該不用說，但關閉您的本地數據庫並嘗試啟動您的應用程序。 如果失敗，那么您就有問題了，否則這不是您的根本原因。

  2. 驗證所有拼寫：

    同樣，這不言而喻，但在弄清楚問題后，請檢查您的拼寫。 例如，我在 application.properties jdbc:mysql://${MSYQL_HOST:test_host}:${MYSQL_PORT:3306}/${MYSQL_DB:test_db}中使用它作為我的數據源 URL。 如果你仔細看，你會發現我的MYSQL_HOST環境變量拼寫錯誤。

  3. SSH 並檢查您的連接

    在通過 ssh 進入您的環境后嘗試連接到您的數據庫。 執行yum install MySQL ，使用以下命令： MySQL -h 'rds-endpoint-url' -P 'rds-DB-port' -u 'db-username' -p 。 輸入連接密碼后，您應該輸入MySQL提示。 如果不是，請檢查您的 RDS 實例是否與您的 ec2 或 elb 實例在同一 VPC 中，並允許您的 ec2 或 elb 實例具有的安全組。

畢竟，這些一般步驟有望解決您的問題。

解決方案3
 0  2019-08-11 18:20:52

為給定的域后端更新Nginx配置中的上游和代理傳遞，如下所示，其中 

      http {
            include       /etc/nginx/mime.types;
            default_type  application/octet-stream;

            log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                              '$status $body_bytes_sent "$http_referer" '
                              '"$http_user_agent" "$http_x_forwarded_for"';

            include       conf.d/*.conf;

            map $http_upgrade $connection_upgrade {
                default     "upgrade";
            }

            upstream backend {
      server localhost:5000;

    }





            server {
                listen        80 default_server;
                access_log    /var/log/nginx/access.log main;

                client_header_timeout 60;
                client_body_timeout   60;
                keepalive_timeout     60;
                gzip                  off;
                gzip_comp_level       4;
                gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;

location /app1 {
  proxy_pass http://backend;
}

                # Include the Elastic Beanstalk generated locations
                include conf.d/elasticbeanstalk/*.conf;
            }
        }

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