Java报错-java.lang.NoClassDefFoundError: io/netty/util/internal/logging/InternalLoggerFactory

最新推荐文章于 2025-05-22 09:52:18 发布

JP-Destiny

最新推荐文章于 2025-05-22 09:52:18 发布

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分类专栏：报错文章标签： java.lang.NoClassDefFoundError logging/InternalLoggerFactory Java报错

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本文解决了一个关于Elasticsearch在使用Netty4插件时出现的NoClassDefFoundError错误，详细解释了错误原因并提供了解决方案，即在pom.xml文件中添加transport-netty4-client的依赖。

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Issue

java.lang.NoClassDefFoundError: io/netty/util/internal/logging/InternalLoggerFactory

	at org.elasticsearch.transport.Netty4Plugin.<clinit>(Netty4Plugin.java:49)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.elasticsearch.plugins.PluginsService.loadPlugin(PluginsService.java:609)
	at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:119)
	at org.elasticsearch.client.transport.TransportClient.newPluginService(TransportClient.java:109)
	at org.elasticsearch.client.transport.TransportClient.buildTemplate(TransportClient.java:134)
	at org.elasticsearch.client.transport.TransportClient.<init>(TransportClient.java:287)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:130)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:116)
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:106)
	at com.elasticsearch.util.Elasticsearch.getClient(Elasticsearch.java:39)
	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.RunBefores.evaluate(RunBefores.java:24)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	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.lang.ClassNotFoundException: io.netty.util.internal.logging.InternalLoggerFactory
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 37 more

Answer

原因：没有发现InternalLoggerFactory类

解决办法：在pom.xml中引用org.elasticsearch.plugin的jar包

<!-- https://mvnrepository.com/artifact/org.elasticsearch.plugin/transport-netty4-client -->
<dependency>
    <groupId>org.elasticsearch.plugin</groupId>
    <artifactId>transport-netty4-client</artifactId>
    <version>7.1.0</version>
</dependency>