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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/12/07 06:22:44 UTC
[GitHub] [dubbo] xieshouyu opened a new issue, #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
xieshouyu opened a new issue, #11089:
URL: https://github.com/apache/dubbo/issues/11089
### Environment
* Dubbo version: 2.7.18
* Operating System version: mac
* Java version: jdk1.8
### Steps to reproduce this issue
1. 建立服务 app-provider，app-consumer 。provider端构造response数据超过payload 默认大小8M。
2. 启动provider 和 consumer服务，provider端，在ExchangeCodec对象的279行（protected encodeResponse方法第一行），打断点，断点的condition：res.getResult() != null
3. consumer 端发起请求，provider断点等超时。当consumer端，报 Waiting server-side response timeout by scan timer后，放开provider端的断点。
4. dump 内存信息，可以看到内存对象会看到多一个大对象char[]，就是你放到response内放的对象。
5. char[]的reference为GC root JNI global。
6. GC root JNI global 持有了 org.apache.dubbo.remoting.transport.ExceedPayloadLimitException、org.apache.dubbo.remoting.exchange.Response（包含了你返回的response对象）、org.apache.dubbo.remoting.transport.netty4.NettyChannel 三个对象。
Pls. provide [GitHub address] to reproduce this issue.
demo地址：https://github.com/xieshouyu/app-provider.git ，https://github.com/xieshouyu/app-consumer.git
请求 http://127.0.0.1:8082/send
### Expected Behavior
请求完成后，response被回收c
### Actual Behavior
请求完成后，response对象未被回收
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[GitHub] [dubbo] xieshouyu commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
xieshouyu commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1345762566
> 3\. der断点
有按照我的要求的位置断点等超时吗？如果你在刚进入的位置断点，那就不会有问题，必须要找我步骤，包括断点的位置。
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[GitHub] [dubbo] xieshouyu commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
xieshouyu commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1345766800
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[GitHub] [dubbo] xieshouyu closed issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
xieshouyu closed issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
URL: https://github.com/apache/dubbo/issues/11089
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[GitHub] [dubbo] FoghostCn commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
FoghostCn commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1340648335
复现不了，你可以吧GC root引用关系的图贴一下吗
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[GitHub] [dubbo] FoghostCn commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
FoghostCn commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1340545797
gc一次应该就没了吧
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[GitHub] [dubbo] xieshouyu commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
xieshouyu commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1340607220
> gc一次应该就没了吧
那必须还在，这么容易就被gc了，也不写demo去验证，你可以下demo试一下。
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[GitHub] [dubbo] xieshouyu commented on issue #11089: when throw ExceedPayloadLimitException and consumer timeout, payload may exists memory Leak
Posted by GitBox <gi...@apache.org>.
xieshouyu commented on issue #11089:
URL: https://github.com/apache/dubbo/issues/11089#issuecomment-1371710463
之前有点问题，重装了mac m1的jdk和工具，现在无法复现，先关闭。
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