[英]Redis - JUnit - Caused by: java.net.UnknownHostException: localhost
I have a SpringBoot application where I connect to Redis and it works on cloud environment:我有一个 SpringBoot 应用程序,我连接到 Redis 并且它适用于云环境:
RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
redisStandaloneConfiguration.setHostName("localhost");
redisStandaloneConfiguration.setPort(6379);
redisStandaloneConfiguration.setPassword(REDIS_PASSWORD);
LettuceConnectionFactory lettuceConnectionFactory = new LettuceConnectionFactory(redisStandaloneConfiguration, clientConfig);
lettuceConnectionFactory.setValidateConnection(true);
Now i started a local Redis instance on localhost and port 6379;现在我在 localhost 和端口 6379 上启动了一个本地 Redis 实例; I tried to write a Junit test that uses Redis and I got the following exception
我尝试编写使用 Redis 的 Junit 测试,但出现以下异常
Caused by: io.lettuce.core.RedisConnectionException: Unable to connect to localhost:6379
at io.lettuce.core.RedisConnectionException.create(RedisConnectionException.java:78)
at io.lettuce.core.RedisConnectionException.create(RedisConnectionException.java:56)
at io.lettuce.core.AbstractRedisClient.getConnection(AbstractRedisClient.java:320)
at io.lettuce.core.RedisClient.connect(RedisClient.java:211)
at org.springframework.data.redis.connection.lettuce.StandaloneConnectionProvider.lambda$getConnection$1(StandaloneConnectionProvider.java:115)
at java.util.Optional.orElseGet(Optional.java:267)
at org.springframework.data.redis.connection.lettuce.StandaloneConnectionProvider.getConnection(StandaloneConnectionProvider.java:115)
at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory$ExceptionTranslatingConnectionProvider.getConnection(LettuceConnectionFactory.java:1459)
... 17 common frames omitted
Caused by: java.net.UnknownHostException: localhost
at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
at java.net.InetAddress.getAllByName(InetAddress.java:1193)
at java.net.InetAddress.getAllByName(InetAddress.java:1127)
at java.net.InetAddress.getByName(InetAddress.java:1077)
Any hints?有什么提示吗?
I tried:我试过了:
But got the same exception但得到了同样的例外
After some hours I found the problem:几个小时后,我发现了问题:
redis.cluster.nodes:${REDIS_CLUSTER_NODES: localhost:6379;}
If I put如果我把
redis.cluster.nodes: localhost:6379;
it works fine它工作正常
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