hub error

[20:29:25 ERROR]: Error occurred while enabling Hub v0.1 (Is it up to date?)
redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
        at redis.clients.util.Pool.getResource(Pool.java:42) ~[?:?]
        at mineplex.serverdata.commands.ServerCommandManager.initialize(ServerCommandManager.java:48) ~[?:?]
        at mineplex.serverdata.commands.ServerCommandManager.<init>(ServerCommandManager.java:39) ~[?:?]
        at mineplex.serverdata.commands.ServerCommandManager.getInstance(ServerCommandManager.java:172) ~[?:?]
        at mineplex.core.punish.Punish.<init>(Punish.java:79) ~[?:?]
        at mineplex.hub.Hub.onEnable(Hub.java:94) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:417) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:476) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:394) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.MinecraftServer.n(MinecraftServer.java:360) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.MinecraftServer.g(MinecraftServer.java:334) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.MinecraftServer.a(MinecraftServer.java:290) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:197) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-205-gb748d57]
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect
        at redis.clients.jedis.Connection.connect(Connection.java:142) ~[?:?]
        at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:75) ~[?:?]
        at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1724) ~[?:?]
        at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:65) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:836) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:434) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) ~[?:?]
        at redis.clients.util.Pool.getResource(Pool.java:40) ~[?:?]
        ... 16 more
Caused by: java.net.ConnectException: Connection refused: connect
        at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.8.0_131]
        at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[?:1.8.0_131]
        at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[?:1.8.0_131]
        at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[?:1.8.0_131]
        at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[?:1.8.0_131]
        at java.net.PlainSocketImpl.connect(Unknown Source) ~[?:1.8.0_131]
        at java.net.SocksSocketImpl.connect(Unknown Source) ~[?:1.8.0_131]
        at java.net.Socket.connect(Unknown Source) ~[?:1.8.0_131]
        at redis.clients.jedis.Connection.connect(Connection.java:137) ~[?:?]
        at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:75) ~[?:?]
        at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1724) ~[?:?]
        at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:65) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:836) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:434) ~[?:?]
        at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) ~[?:?]
        at redis.clients.util.Pool.getResource(Pool.java:40) ~[?:?]
        ... 16 more