[英]java.lang.IllegalAccessException: class io.netty.util.internal.PlatformDependent0$6
我试图为 SpringBoot 应用程序实现 Redis 缓存，它暴露了 Rest API。 随附重要的代码片段和 maven 构建文件。
启动注释：
@SpringBootApplication
@EnableAsync
@EnableScheduling
@EnableCaching
public class Application {
pom.xml（仅列出相关依赖项）：
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.1.RELEASE</version>
<relativePath/>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.10</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.9.1</version>
<scope>test</scope>
</dependency>
</dependencies>
从 IntelliJ IDE 环境运行。
在项目启动时，我遇到以下异常，但启动成功完成。 异常的根本原因是什么以及如何解决？
java.lang.UnsupportedOperationException: Reflective setAccessible(true) disabled
at io.netty.util.internal.ReflectionUtil.trySetAccessible(ReflectionUtil.java:31)
at io.netty.util.internal.PlatformDependent0$4.run(PlatformDependent0.java:233)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at io.netty.util.internal.PlatformDependent0.<clinit>(PlatformDependent0.java:227)
at io.netty.util.internal.PlatformDependent.isAndroid(PlatformDependent.java:289)
at io.netty.util.internal.PlatformDependent.<clinit>(PlatformDependent.java:92)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:109)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:218)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:197)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:179)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:163)
at io.lettuce.core.resource.DefaultClientResources.<init>(DefaultClientResources.java:167)
at io.lettuce.core.resource.DefaultClientResources$Builder.build(DefaultClientResources.java:530)
at io.lettuce.core.resource.DefaultClientResources.create(DefaultClientResources.java:231)
at org.springframework.boot.autoconfigure.data.redis.LettuceConnectionConfiguration.lettuceClientResources(LettuceConnectionConfiguration.java:66)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:650)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:483)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:893)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at com.iyzico.challenge.Application.main(Application.java:18)
2020-09-24 12:25:24.039 DEBUG 56915 --- [ main] i.n.util.internal.PlatformDependent0 : java.nio.Bits.unaligned: available, true
2020-09-24 12:25:24.040 DEBUG 56915 --- [ main] i.n.util.internal.PlatformDependent0 : jdk.internal.misc.Unsafe.allocateUninitializedArray(int): unavailable
java.lang.IllegalAccessException: class io.netty.util.internal.PlatformDependent0$6 cannot access class jdk.internal.misc.Unsafe (in module java.base) because module java.base does not export jdk.internal.misc to unnamed module @21ba2445
at java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:361)
at java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:591)
at java.base/java.lang.reflect.Method.invoke(Method.java:558)
at io.netty.util.internal.PlatformDependent0$6.run(PlatformDependent0.java:347)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at io.netty.util.internal.PlatformDependent0.<clinit>(PlatformDependent0.java:338)
at io.netty.util.internal.PlatformDependent.isAndroid(PlatformDependent.java:289)
at io.netty.util.internal.PlatformDependent.<clinit>(PlatformDependent.java:92)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:109)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:218)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:197)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:179)
at io.netty.util.HashedWheelTimer.<init>(HashedWheelTimer.java:163)
at io.lettuce.core.resource.DefaultClientResources.<init>(DefaultClientResources.java:167)
at io.lettuce.core.resource.DefaultClientResources$Builder.build(DefaultClientResources.java:530)
at io.lettuce.core.resource.DefaultClientResources.create(DefaultClientResources.java:231)
at org.springframework.boot.autoconfigure.data.redis.LettuceConnectionConfiguration.lettuceClientResources(LettuceConnectionConfiguration.java:66)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:650)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:483)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:226)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:893)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at com.iyzico.challenge.Application.main(Application.java:18)
提前致谢
根据https://github.com/netty/netty/issues/7817 “这不是错误，它是带有堆栈跟踪的调试消息，将您的记录器级别更改为除调试之外的其他级别，例如信息或警告。”
您需要更改此包的记录器级别以抑制这些警告。
在您的 logback-spring.xml 下面添加这一行以抑制所有消息。
<logger name="io.netty.util" level="ERROR"/>
I fix it by adding this to JVM args --add-opens java.base/jdk.internal.misc=ALL-UNNAMED --add-opens java.base/java.nio=ALL-UNNAMED --add-opens java. base/java.security=ALL-UNNAMED --add-opens jdk.unsupported/sun.misc=ALL-UNNAMED --add-opens java.base/sun.security.action=ALL-UNNAMED --add-opens jdk。 naming.rmi/com.sun.jndi.rmi.registry=ALL-UNNAMED --add-opens java.base/sun.net=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED - -add-opens java.base/java.lang.reflect=ALL-UNNAMED
这些 args 可能还有其他与此问题无关的，但我无法挑选出来
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