Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by lvhongye
, 1 year ago
hostname can't be null
via GitHub by vishakha94
, 2 years ago
hostname can't be null
via GitHub by vishakha94
, 2 years ago
hostname can't be null
via GitHub by boaks
, 1 year ago
hostname can't be null
via spigotmc.org by Unknown author, 1 year ago
via mulesoft.org by Unknown author, 2 years ago
java.lang.IllegalArgumentException: hostname can't be null	at java.net.InetSocketAddress.checkHost(InetSocketAddress.java:149)	at java.net.InetSocketAddress.(InetSocketAddress.java:216)	at redis.clients.jedis.Connection.connect(Connection.java:129)	at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:69)	at redis.clients.jedis.Connection.sendCommand(Connection.java:79)	at redis.clients.jedis.Connection.sendCommand(Connection.java:75)	at redis.clients.jedis.Jedis.get(Jedis.java:66)	at com.baidu.disconf.demo.service.SimpleRedisService.getKey(SimpleRedisService.java:63)	at com.baidu.disconf.demo.task.DisconfDemoTask.run(DisconfDemoTask.java:51)	at com.baidu.disconf.demo.DisconfDemoMain.main(DisconfDemoMain.java:38)