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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/10/12 06:23:19 UTC
[GitHub] [dubbo] xiangzz159 opened a new issue, #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
xiangzz159 opened a new issue, #10740:
URL: https://github.com/apache/dubbo/issues/10740
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### Environment
* Dubbo version: 3.0.10
* Operating System version: CentOS Linux release 7.9.2009
* Java version: 1.8.0_151-b12
### Steps to reproduce this issue
使用kill -15 pid的时候应用优雅关闭，错误日志中输出如下错误
```
[2022-10-11T17:04:38.048+08:00] [WARN] [DubboShutdownHook-33] [org.apache.dubbo.registry.support.RegistryManager] [PRO-xsyx-item-library-base-core-9-124] [10.32.9.124] [] [] [] [] [RegistryManager.java,107,org.apache.dubbo.registry.support.RegistryManager,destroyAll] [ [DUBBO] java.lang.NoClassDefFoundError: org/apache/dubbo/common/function/ThrowableAction, dubbo version: 3.0.10, current host: 10.32.9.124] ## ' java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError: org/apache/dubbo/common/function/ThrowableAction
at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.destroy(ServiceDiscoveryRegistry.java:284)
at org.apache.dubbo.registry.support.RegistryManager.destroyAll(RegistryManager.java:105)
at org.apache.dubbo.config.deploy.DefaultApplicationDeployer.destroyRegistries(DefaultApplicationDeployer.java:1019)
at org.apache.dubbo.config.deploy.DefaultApplicationDeployer.preDestroy(DefaultApplicationDeployer.java:767)
at org.apache.dubbo.rpc.model.ApplicationModel.onDestroy(ApplicationModel.java:244)
at org.apache.dubbo.rpc.model.ScopeModel.destroy(ScopeModel.java:110)
at org.apache.dubbo.config.DubboShutdownHook.doDestroy(DubboShutdownHook.java:78)
at org.apache.dubbo.config.DubboShutdownHook.run(DubboShutdownHook.java:73)
Caused by: java.lang.NoClassDefFoundError: org/apache/dubbo/common/function/ThrowableAction
... 8 more
Caused by: java.lang.ClassNotFoundException: org.apache.dubbo.common.function.ThrowableAction
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:93)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 8 more
```
应用启动参数为：
```
java -DappName=demo -server -Xmx5144M -Xms5144M -Xmn2048M -Xss1024k -XX:+DisableExplicitGC -XX:+ScavengeBeforeFullGC -XX:-CMSParallelRemarkEnabled -XX:-CMSClassUnloadingEnabled -XX:+ExplicitGCInvokesConcurrent -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApplicationConcurrentTime -XX:+PrintHeapAtGC -XX:+HeapDumpOnOutOfMemoryError -XX:-OmitStackTraceInFastThrow -XX:+UseG1GC -Dapp.env=prod -Ddk.class.preload.timeout=140 -Ddk.logging.path=/home -Dfastjson.parser.safeMode=true -jar demo.jar
```
Pls. provide [GitHub address] to reproduce this issue.
### Expected Behavior
<!-- What do you expect from the above steps？-->
### Actual Behavior
<!-- What actually happens? -->
If there is an exception, please attach the exception trace:
```
Just put your stack trace here!
```
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[GitHub] [dubbo] AlbumenJ commented on issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #10740:
URL: https://github.com/apache/dubbo/issues/10740#issuecomment-1276938902
> 在本地和容器中无法复现，但是在生产环境会有这个问题，导致优雅下线失败
这个应该是在 kill 的过程中外部的由 spring 管理的 LaunchedURLClassLoader 已经关闭了，导致 Dubbo 无法加载新的下线相关的类导致的
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[GitHub] [dubbo] xiangzz159 commented on issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
xiangzz159 commented on issue #10740:
URL: https://github.com/apache/dubbo/issues/10740#issuecomment-1276925719
在本地和容器中无法复现，但是在生产环境会有这个问题，导致优雅下线失败
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[GitHub] [dubbo] CrazyHZM closed issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
CrazyHZM closed issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
URL: https://github.com/apache/dubbo/issues/10740
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[GitHub] [dubbo] xiangzz159 commented on issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
xiangzz159 commented on issue #10740:
URL: https://github.com/apache/dubbo/issues/10740#issuecomment-1276950565
这个问题不是必现的，2台机器，第一次重新部署的时候只有其中一台机器会出现优雅下线失败的问题，第二次就是2台机器都出现了
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[GitHub] [dubbo] chickenlj commented on issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #10740:
URL: https://github.com/apache/dubbo/issues/10740#issuecomment-1277098491
@xiangzz159 问题根源请参考 Albumen 给的思路，Spring 和 Dubbo 的 JVM shutdown hook 同时在执行可能会导致这个问题。
Dubbo 这边在 Spring 场景下，应该关闭自身的将自己的 hook 流程绑定到 Spring hook 上以确保被调度顺序。related to https://github.com/apache/dubbo/pull/10730
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[GitHub] [dubbo] CrazyHZM commented on issue #10740: Dubbo关闭时报Exception in thread "DubboShutdownHook" java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError
Posted by GitBox <gi...@apache.org>.
CrazyHZM commented on issue #10740:
URL: https://github.com/apache/dubbo/issues/10740#issuecomment-1314648197
@xiangzz159 暂时先关闭这个issue，如果还有问题可以重新打开这个issues。
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