我在同一台物理机上安装了 Redis 和 Docker。
我正在尝试运行一个 Docker 容器，其中包含一个需要连接到 Redis 的 SpringBoot 应用程序。应用程序启动失败，出现以下错误:
2019-08-28 12:25:16.858 ERROR 6 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'enableRedisKeyspaceNotificationsInitializer' defined in class path resource [org/springframework/session/data/redis/config/annotation/web/http/RedisHttpSessionConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1694) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:573) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:548) ~[spring-context-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) [spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:333) [spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1277) [spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1265) [spring-boot-2.0.5.RELEASE.jar!/:2.0.5.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_212]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_212]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_212]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_212]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [app.jar:1.2.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [app.jar:1.2.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) [app.jar:1.2.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51) [app.jar:1.2.1-SNAPSHOT]
Caused by: org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:286) ~[spring-data-redis-2.0.11.RELEASE.jar!/:2.0.11.RELEASE]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:469) ~[spring-data-redis-2.0.11.RELEASE.jar!/:2.0.11.RELEASE]
at org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration$EnableRedisKeyspaceNotificationsInitializer.afterPropertiesSet(RedisHttpSessionConfiguration.java:302) ~[spring-session-data-redis-2.0.7.RELEASE.jar!/:2.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1753) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1690) ~[spring-beans-5.0.10.RELEASE.jar!/:5.0.10.RELEASE]
... 24 common frames omitted
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.util.Pool.getResource(Pool.java:53) ~[jedis-2.9.0.jar!/:na]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar!/:na]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar!/:na]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:276) ~[spring-data-redis-2.0.11.RELEASE.jar!/:2.0.11.RELEASE]
... 28 common frames omitted
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused (Connection refused)
at redis.clients.jedis.Connection.connect(Connection.java:207) ~[jedis-2.9.0.jar!/:na]
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93) ~[jedis-2.9.0.jar!/:na]
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1767) ~[jedis-2.9.0.jar!/:na]
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:106) ~[jedis-2.9.0.jar!/:na]
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:889) ~[commons-pool2-2.5.0.jar!/:2.5.0]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:433) ~[commons-pool2-2.5.0.jar!/:2.5.0]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:362) ~[commons-pool2-2.5.0.jar!/:2.5.0]
at redis.clients.util.Pool.getResource(Pool.java:49) ~[jedis-2.9.0.jar!/:na]
... 31 common frames omitted
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_212]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_212]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_212]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_212]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_212]
at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_212]
at redis.clients.jedis.Connection.connect(Connection.java:184) ~[jedis-2.9.0.jar!/:na]
... 38 common frames omitted
如果我尝试使用 redis-cli 连接，它工作正常! 如果我尝试启动我的应用程序，使用相同的配置，在机器上使用 java -jar 它工作正常!
Redis: Redis 5.0.3 (00000000/0) 64 位 以独立模式运行 端口:6379
docker : 版本:18.09.7 API版本:1.39 转版本:go1.10.4 Git 提交:2d0083d 建成时间:2019 年 8 月 16 日星期五 14:19:32 操作系统/架构:linux/amd64 实验:错误
在我的 redis.conf 中，我将 bind 属性注释掉并将保护模式设置为 no。
最佳答案
似乎通过使用 --net=host 标志运行 docker 容器可以解决问题。它现在可以访问主机上的其他内容(在本例中为 Redis)。
关于spring-boot - 在 Docker 容器中运行的 SpringBoot 应用无法连接到同一台机器上托管的 Redis，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/57693070/
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