报错的原因 应该是：Redis服务器没有打开！
目录
一、报错信息1
F:\Java\jdk1.8.0_201\bin\java -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:F:\JetBrains\IntelliJ IDEA 2017.3.4\lib\idea_rt.jar=4615:F:\JetBrains\IntelliJ IDEA 2017.3.4\bin" -Dfile.encoding=UTF-8 -classpath "F:\JetBrains\IntelliJ IDEA 2017.3.4\lib\idea_rt.jar;F:\JetBrains\IntelliJ IDEA 2017.3.4\plugins\junit\lib\junit-rt.jar;F:\JetBrains\IntelliJ IDEA 2017.3.4\plugins\junit\lib\junit5-rt.jar;F:\Java\jdk1.8.0_201\jre\lib\charsets.jar;F:\Java\jdk1.8.0_201\jre\lib\deploy.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\access-bridge-64.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\cldrdata.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\dnsns.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\jaccess.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\jfxrt.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\localedata.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\nashorn.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\sunec.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\sunjce_provider.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\sunmscapi.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\sunpkcs11.jar;F:\Java\jdk1.8.0_201\jre\lib\ext\zipfs.jar;F:\Java\jdk1.8.0_201\jre\lib\javaws.jar;F:\Java\jdk1.8.0_201\jre\lib\jce.jar;F:\Java\jdk1.8.0_201\jre\lib\jfr.jar;F:\Java\jdk1.8.0_201\jre\lib\jfxswt.jar;F:\Java\jdk1.8.0_201\jre\lib\jsse.jar;F:\Java\jdk1.8.0_201\jre\lib\management-agent.jar;F:\Java\jdk1.8.0_201\jre\lib\plugin.jar;F:\Java\jdk1.8.0_201\jre\lib\resources.jar;F:\Java\jdk1.8.0_201\jre\lib\rt.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\out\production\day23_redis;F:\JetBrains\IntelliJ IDEA 2017.3.4\lib\junit-4.12.jar;F:\JetBrains\IntelliJ IDEA 2017.3.4\lib\hamcrest-core-1.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\commons-beanutils-1.8.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\commons-logging-1.1.1.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\commons-pool2-2.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\druid-1.0.9.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\jackson-annotations-2.2.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\jackson-core-2.2.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\jackson-databind-2.2.3.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\javax.servlet.jsp.jstl.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\jedis-2.7.0.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\jstl-impl.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\mysql-connector-java-5.1.18-bin.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\spring-beans-4.2.4.RELEASE.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\spring-core-4.2.4.RELEASE.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\spring-jdbc-4.2.4.RELEASE.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\web\WEB-INF\lib\spring-tx-4.2.4.RELEASE.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.transaction.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.jms.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.resource.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.ejb.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.servlet.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.servlet.jsp.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.annotation.jar;C:\Users\lwx\Desktop\day14_redis\代码\day23_redis\lib\javax.persistence.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 cn.itcast.jedis.test.JedisTest,test1
redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: connect timed out
at redis.clients.jedis.Connection.connect(Connection.java:154)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:83)
at redis.clients.jedis.Connection.sendCommand(Connection.java:93)
at redis.clients.jedis.BinaryClient.set(BinaryClient.java:100)
at redis.clients.jedis.Client.set(Client.java:29)
at redis.clients.jedis.Jedis.set(Jedis.java:65)
at cn.itcast.jedis.test.JedisTest.test1(JedisTest.java:26)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
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$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at redis.clients.jedis.Connection.connect(Connection.java:148)
... 28 more
Process finished with exit code -1
二、报错信息2
redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect
