JDk版本問題造成的cglib運行時候出錯

文章目录

異常信息

 1Caused by: java.lang.ExceptionInInitializerError: null
 2       at org.springframework.context.annotation.ConfigurationClassEnhancer.newEnhancer(ConfigurationClassEnhancer.java:122) ~[spring-context-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
 3       at org.springframework.context.annotation.ConfigurationClassEnhancer.enhance(ConfigurationClassEnhancer.java:110) ~[spring-context-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
 4       at org.springframework.context.annotation.ConfigurationClassPostProcessor.enhanceConfigurationClasses(ConfigurationClassPostProcessor.java:405) ~[spring-context-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
 5       ... 20 common frames omitted
 6Caused by: org.springframework.cglib.core.CodeGenerationException: java.lang.reflect.InaccessibleObjectException-->Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @1134affc
 7       at org.springframework.cglib.core.ReflectUtils.defineClass(ReflectUtils.java:464) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
 8       at org.springframework.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:336) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
 9       at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:93) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
10       at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:91) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
11       at org.springframework.cglib.core.internal.LoadingCache$2.call(LoadingCache.java:54) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
12       at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na]
13       at org.springframework.cglib.core.internal.LoadingCache.createEntry(LoadingCache.java:61) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
14       at org.springframework.cglib.core.internal.LoadingCache.get(LoadingCache.java:34) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
15       at org.springframework.cglib.core.AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:116) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
16       at org.springframework.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:291) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
17       at org.springframework.cglib.core.KeyFactory$Generator.create(KeyFactory.java:221) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
18       at org.springframework.cglib.core.KeyFactory.create(KeyFactory.java:174) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
19       at org.springframework.cglib.core.KeyFactory.create(KeyFactory.java:153) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
20       at org.springframework.cglib.proxy.Enhancer.<clinit>(Enhancer.java:73) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
21       ... 23 common frames omitted
22Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @1134affc
23       at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:357) ~[na:na]
24       at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297) ~[na:na]
25       at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199) ~[na:na]
26       at java.base/java.lang.reflect.Method.setAccessible(Method.java:193) ~[na:na]
27       at org.springframework.cglib.core.ReflectUtils$1.run(ReflectUtils.java:61) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
28       at java.base/java.security.AccessController.doPrivileged(AccessController.java:554) ~[na:na]
29       at org.springframework.cglib.core.ReflectUtils.<clinit>(ReflectUtils.java:52) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
30       at org.springframework.cglib.core.KeyFactory$Generator.generateClass(KeyFactory.java:243) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
31       at org.springframework.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
32       at org.springframework.cglib.core.AbstractClassGenerator.generate(AbstractClassGenerator.java:329) ~[spring-core-5.0.4.RELEASE.jar!/:5.0.4.RELEASE]
33       ... 35 common frames omitted

挖掘問題

  1. eclipse compiler和jdk版本都是1.8 但是外面是java16,在eclipse裏面用JAVA8都是沒有任何問題,但是在JAVA16就出錯,這是因爲在java9中引入了module,現實大部分的企業級開發還是在使用java8所以一般不會遇到這個問題,只需要運行的時候如下

1java   --add-opens java.base/java.lang=ALL-UNNAMED  -jar redis-cluster-0.0.1-SNAPSHOT.jar