Cześć,
Mam trudność z połączeniem aplikacji do zewnętrznej usługi - Redisa.
Skonteneryzowana (Docker) aplikacja rzuca:
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Failed to create socket.
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:110)
at redis.clients.jedis.Connection.connect(Connection.java:226)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:135)
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:309)
at redis.clients.jedis.BinaryJedis.initializeFromClientConfig(BinaryJedis.java:87)
at redis.clients.jedis.BinaryJedis.<init>(BinaryJedis.java:292)
at redis.clients.jedis.Jedis.<init>(Jedis.java:167)
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:177)
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:918)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:431)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:356)
at redis.clients.jedis.util.Pool.getResource(Pool.java:75)
... 66 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)
at java.base/java.net.Socket.connect(Socket.java:609)
at redis.clients.jedis.DefaultJedisSocketFactory.createSocket(DefaultJedisSocketFactory.java:80)
Dziwna dla mnie sprawa, bo jak się loguję do kontenera, w którym działa proces aplikacji Java to nmap daje:
/opt/transformer # nmap 192.168.121.228 -p 6379
Starting Nmap 7.80 ( https://nmap.org ) at 2021-08-20 17:38 UTC
Nmap scan report for 192.168.121.228
Host is up (0.00023s latency).
PORT STATE SERVICE
6379/tcp open redis
Nmap done: 1 IP address (1 host up) scanned in 0.21 seconds
Co ciekawe redis-cli
bez problemu łączy się do tego Redisa z shella tego samego kontenera:
/opt/transformer # redis-cli -h 192.168.121.228
192.168.121.228:6379> ping
PONG
192.168.121.228:6379>
Nie kumam, proszę o pomoc.