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redis為什么會報Could not get a resource from the pool

20:12:00.112 [main] ERROR org.seckill.dao.cache.RedisDao - Could not get a resource from the pool

redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool

at redis.clients.util.Pool.getResource(Pool.java:50) ~[jedis-2.7.3.jar:na]

at redis.clients.jedis.JedisPool.getResource(JedisPool.java:99) ~[jedis-2.7.3.jar:na]

at org.seckill.dao.cache.RedisDao.putSeckill(RedisDao.java:57) ~[classes/:na]

at org.seckill.dao.cache.RedisDaoTest.testSeckill(RedisDaoTest.java:30) [test-classes/:na]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]

at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) [junit-4.11.jar:na]

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.11.jar:na]

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) [junit-4.11.jar:na]

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) [junit-4.11.jar:na]

at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:73) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:73) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) [junit-4.11.jar:na]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:224) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:83) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) [junit-4.11.jar:na]

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) [junit-4.11.jar:na]

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) [junit-4.11.jar:na]

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) [junit-4.11.jar:na]

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) [junit-4.11.jar:na]

at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:68) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.junit.runners.ParentRunner.run(ParentRunner.java:309) [junit-4.11.jar:na]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:163) [spring-test-4.1.7.RELEASE.jar:4.1.7.RELEASE]

at org.junit.runner.JUnitCore.run(JUnitCore.java:160) [junit-4.11.jar:na]

at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) [junit-rt.jar:na]

at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) [junit-rt.jar:na]

at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) [junit-rt.jar:na]

at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) [junit-rt.jar:na]

Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect

at redis.clients.jedis.Connection.connect(Connection.java:164) ~[jedis-2.7.3.jar:na]

at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:82) ~[jedis-2.7.3.jar:na]

at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1641) ~[jedis-2.7.3.jar:na]

at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:85) ~[jedis-2.7.3.jar:na]

at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:861) ~[commons-pool2-2.3.jar:2.3]

at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) ~[commons-pool2-2.3.jar:2.3]

at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) ~[commons-pool2-2.3.jar:2.3]

at redis.clients.util.Pool.getResource(Pool.java:48) ~[jedis-2.7.3.jar:na]

... 31 common frames omitted

Caused by: java.net.ConnectException: Connection refused: connect

at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[na:1.8.0_151]

at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[na:1.8.0_151]

at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_151]

at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_151]

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_151]

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_151]

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_151]

at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_151]

at redis.clients.jedis.Connection.connect(Connection.java:158) ~[jedis-2.7.3.jar:na]

... 38 common frames omitted

null

20:12:01.143 [main] ERROR org.seckill.dao.cache.RedisDao - Could not get a resource from the pool

redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool

at redis.clients.util.Pool.getResource(Pool.java:50) ~[jedis-2.7.3.jar:na]

at redis.clients.jedis.JedisPool.getResource(JedisPool.java:99) ~[jedis-2.7.3.jar:na]

at org.seckill.dao.cache.RedisDao.getSeckill(RedisDao.java:29) ~[classes/:na]

at org.seckill.dao.cache.RedisDaoTest.testSeckill(RedisDaoTest.java:32) [test-classes/:na]