Spring 개발환경 세팅중 에러

tomcat 실행시 redis 관련 오류가 뜨는거 같은데 어떻게 해결해야할지 몰라서.... 질문드립니다.

아래는 오류 코드입니다.

[redisMessageListenerContainer-1] 17:32:34.555 ERROR o.s.d.r.l.RedisMessageListenerContainer - SubscriptionTask aborted with exception:

org.springframework.data.redis.RedisSystemException: Unknown redis exception; nested exception is org.springframework.data.redis.connection.PoolException: Could not get a resource from the pool; nested exception is io.lettuce.core.RedisConnectionException: Unable to connect to dev-khan.net:6379

at org.springframework.data.redis.FallbackExceptionTranslationStrategy.getFallback(FallbackExceptionTranslationStrategy.java:53)

at org.springframework.data.redis.FallbackExceptionTranslationStrategy.translate(FallbackExceptionTranslationStrategy.java:43)

at org.springframework.data.redis.connection.lettuce.LettuceConnection.convertLettuceAccessException(LettuceConnection.java:268)

at org.springframework.data.redis.connection.lettuce.LettuceConnection.subscribe(LettuceConnection.java:827)

at org.springframework.data.redis.listener.RedisMessageListenerContainer$SubscriptionTask.eventuallyPerformSubscription(RedisMessageListenerContainer.java:796)

at org.springframework.data.redis.listener.RedisMessageListenerContainer$SubscriptionTask.run(RedisMessageListenerContainer.java:752)

at java.lang.Thread.run(Thread.java:750)

Caused by: org.springframework.data.redis.connection.PoolException: Could not get a resource from the pool; nested exception is io.lettuce.core.RedisConnectionException: Unable to connect to dev-khan.net:6379

at org.springframework.data.redis.connection.lettuce.LettucePoolingConnectionProvider.getConnection(LettucePoolingConnectionProvider.java:86)

at org.springframework.data.redis.connection.lettuce.LettuceConnection.switchToPubSub(LettuceConnection.java:868)

at org.springframework.data.redis.connection.lettuce.LettuceConnection.initSubscription(LettuceConnection.java:872)

at org.springframework.data.redis.connection.lettuce.LettuceConnection.subscribe(LettuceConnection.java:824)

... 3 common frames omitted

Caused by: io.lettuce.core.RedisConnectionException: Unable to connect to dev-khan.net: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:234)

at io.lettuce.core.RedisClient.connectPubSub(RedisClient.java:382)

at org.springframework.data.redis.connection.lettuce.StandaloneConnectionProvider.getConnection(StandaloneConnectionProvider.java:107)

at org.springframework.data.redis.connection.lettuce.LettucePoolingConnectionProvider.lambda$null$0(LettucePoolingConnectionProvider.java:74)

at io.lettuce.core.support.ConnectionPoolSupport$RedisPooledObjectFactory.create(ConnectionPoolSupport.java:209)

at io.lettuce.core.support.ConnectionPoolSupport$RedisPooledObjectFactory.create(ConnectionPoolSupport.java:199)

at org.apache.commons.pool2.BasePooledObjectFactory.makeObject(BasePooledObjectFactory.java:58)

at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:888)

at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:432)

at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361)

at io.lettuce.core.support.ConnectionPoolSupport$1.borrowObject(ConnectionPoolSupport.java:122)

at io.lettuce.core.support.ConnectionPoolSupport$1.borrowObject(ConnectionPoolSupport.java:117)

at org.springframework.data.redis.connection.lettuce.LettucePoolingConnectionProvider.getConnection(LettucePoolingConnectionProvider.java:80)

... 6 common frames omitted

Caused by: java.net.UnknownHostException: dev-khan.net

at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)

at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929)

at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1330)

at java.net.InetAddress.getAllByName0(InetAddress.java:1283)

at java.net.InetAddress.getAllByName(InetAddress.java:1199)

at java.net.InetAddress.getAllByName(InetAddress.java:1127)

at java.net.InetAddress.getByName(InetAddress.java:1077)

at io.netty.util.internal.SocketUtils$8.run(SocketUtils.java:146)

at io.netty.util.internal.SocketUtils$8.run(SocketUtils.java:143)

at java.security.AccessController.doPrivileged(Native Method)

at io.netty.util.internal.SocketUtils.addressByName(SocketUtils.java:143)

at io.netty.resolver.DefaultNameResolver.doResolve(DefaultNameResolver.java:43)

at io.netty.resolver.SimpleNameResolver.resolve(SimpleNameResolver.java:63)

at io.netty.resolver.SimpleNameResolver.resolve(SimpleNameResolver.java:55)

at io.netty.resolver.InetSocketAddressResolver.doResolve(InetSocketAddressResolver.java:57)

at io.netty.resolver.InetSocketAddressResolver.doResolve(InetSocketAddressResolver.java:32)

at io.netty.resolver.AbstractAddressResolver.resolve(AbstractAddressResolver.java:108)

at io.netty.bootstrap.Bootstrap.doResolveAndConnect0(Bootstrap.java:208)

at io.netty.bootstrap.Bootstrap.access$000(Bootstrap.java:49)

at io.netty.bootstrap.Bootstrap$1.operationComplete(Bootstrap.java:188)

at io.netty.bootstrap.Bootstrap$1.operationComplete(Bootstrap.java:174)

at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:511)

at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:485)

at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:424)

at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:103)

at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:84)

at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetSuccess(AbstractChannel.java:978)

at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:512)

at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:423)

at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:482)

at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)

at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)

at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462)

at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)

at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)

... 1 common frames omitted