细心和经验很重要，redis链接失败：Could not get a resource from the pool你遇到了吗？

矫情吗；* 2022-03-02 01:22 486阅读 0赞

org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
    	at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:198)
    	at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:345)
    	at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:128)
    	at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:91)
    	at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:78)
    	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:189)
    	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:164)
    	at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:88)
    	at org.springframework.data.redis.core.DefaultValueOperations.set(DefaultValueOperations.java:169)
    	at com.tjzs.sccms.testuser.TestProduct.testRedis(TestProduct.java:68)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    	at java.lang.reflect.Method.invoke(Unknown Source)
    	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
    	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
    	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
    	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
    	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
    	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
    	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
    	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
    	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
    Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
    	at redis.clients.util.Pool.getResource(Pool.java:53)
    	at redis.clients.jedis.JedisPool.getResource(JedisPool.java:99)
    	at redis.clients.jedis.JedisPool.getResource(JedisPool.java:11)
    	at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:191)
    	... 38 more
    Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.UnknownHostException: 127.0.0.1  
    	at redis.clients.jedis.Connection.connect(Connection.java:148)
    	at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:75)
    	at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1790)
    	at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:71)
    	at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:819)
    	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:429)
    	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360)
    	at redis.clients.util.Pool.getResource(Pool.java:51)
    	... 41 more
    Caused by: java.net.UnknownHostException: 127.0.0.1  
    	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    	at java.net.PlainSocketImpl.connect(Unknown Source)
    	at java.net.SocksSocketImpl.connect(Unknown Source)
    	at java.net.Socket.connect(Unknown Source)
    	at redis.clients.jedis.Connection.connect(Connection.java:142)
    	... 48 more

Could not get a resource from the pool

使用redis之后遇到的最头疼的一个问题

本来程序跑得好好的，换到台式机上做测试

然后redis就开始报这个问题了

然后？网上各种搜索，真的

答案很多，大部分都是copy可能

答案基本差不多，说是MaxActive连接数云云

好吧，改了，然并卵

有说jedis中，没有释放链接造成的，看了一下

好吧，可是在实际开发中，难道用spring-data-redis会这么麻烦吗？

作为新人，有些不能理解，如果是这样恐怕也有点spring的初衷了吧！！！

然后，今天继续找