@Component

@Configuration

public class RedisConfig {



    public LettuceConnectionFactory lettuceConnectionFactoryTest(){

        return new LettuceConnectionFactory(new RedisStandaloneConfiguration("127.0.0.1", 6379));

    }



    public JedisConnectionFactory jedisConnectionFactoryTest(){

        return new JedisConnectionFactory(new RedisStandaloneConfiguration("127.0.0.1", 6379));

    }



}

    

    @Autowired

    private RedisConfig redisConfig;



    @Autowired

    private StringRedisTemplate redisTemplate;



    @Test

    public void test(){



        redisTemplate.setConnectionFactory(redisConfig.lettuceConnectionFactoryTest());//换成lettuce一直报空指针异常

        ValueOperations<String, String> valueOperations = redisTemplate.opsForValue();

        valueOperations.set("test", "test123");

        System.out.println(valueOperations.get("test"));



    }

java.lang.NullPointerException

	at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory$SharedConnection.getNativeConnection(LettuceConnectionFactory.java:1085)

	at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory$SharedConnection.getConnection(LettuceConnectionFactory.java:1065)

	at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory.getSharedConnection(LettuceConnectionFactory.java:865)

	at org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory.getConnection(LettuceConnectionFactory.java:340)

	at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:132)

	at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:95)

	at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:82)

	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:211)

	at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:184)

	at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:95)

	at org.springframework.data.redis.core.DefaultValueOperations.set(DefaultValueOperations.java:236)

	at com.test.infrastructure.InfrastructureApplicationTests.test(InfrastructureApplicationTests.java:40)

	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.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)

	at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)

	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:251)

	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)

	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:190)

	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)