Java-Redis Serializable序列化

在 Java 中使用 redis 存储 User 对象时,进行 JUnit 测试时,控制台:

2019-06-24 16:56:45.520 INFO 27688 --- [main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2019-06-24 16:56:56.023 WARN 27688 --- [main] org.thymeleaf.templatemode.TemplateMode : [THYMELEAF][main] Template Mode 'HTML5' is deprecated. Using Template Mode 'HTML' instead.
2019-06-24 16:56:56.527 INFO 27688 --- [main] o.s.b.a.e.web.EndpointLinksResolver : Exposing 2 endpoint(s) beneath base path '/actuator'
2019-06-24 16:56:56.811 INFO 27688 --- [main] com.dayup.seckil.UserServiceTest : Started UserServiceTest in 24.675 seconds (JVM running for 26.616)
2019-06-24 16:56:57.451 INFO 27688 --- [Thread-4] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2019-06-24 16:56:57.498 INFO 27688 --- [Thread-4] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2019-06-24 16:56:57.533 INFO 27688 --- [Thread-4] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.

最后发现在 JUnit 栏中有错误:

org.springframework.data.redis.serializer.SerializationException: Cannot serialize; nested exception is org.springframework.core.serializer.support.SerializationFailedException: Failed to serialize object using DefaultSerializer; nested exception is java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.dayup.seckil.model.User]

at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.serialize(JdkSerializationRedisSerializer.java:96)
at org.springframework.data.redis.core.AbstractOperations.rawHashValue(AbstractOperations.java:
184)
at org.springframework.data.redis.core.DefaultHashOperations.put(DefaultHashOperations.java:
189)
at com.dayup.seckil.redis.BaseRedis.put(BaseRedis.java:
20)
at com.dayup.seckil.redis.BaseRedis$$FastClassBySpringCGLIB$$7fc6a72a.invoke(
<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:
218)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:
749)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:
163)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:
139)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:
186)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:
688)
at com.dayup.seckil.redis.UserRedis$$EnhancerBySpringCGLIB$$2b1bd179.put(
<generated>)
at com.dayup.seckil.UserServiceTest.testPutRedis(UserServiceTest.java:
29)
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.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.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:
86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:
38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:
459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:
678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:
382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:
192)
Caused by: org.springframework.core.serializer.support.SerializationFailedException: Failed to serialize object using DefaultSerializer; nested exception is java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.dayup.seckil.model.User]
at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:
68)
at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:
35)
at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.serialize(JdkSerializationRedisSerializer.java:
94)
...
43 more
Caused by: java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.dayup.seckil.model.User]
at org.springframework.core.serializer.DefaultSerializer.serialize(DefaultSerializer.java:
43)
at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:
63)
...
45 more

发现是由于 User 对象未进行序列化导致的,最后 User 实现 java.io.Serializable 接口,再进行 Junit 测试,成功