After running SpringBoot Gateway for a period of time, OutOfMemeryError occurred

[gavin1888]

Expected behavior

java -jar -Xms128M -Xmx512M /home/sqqmall/cloud/bncf2/sqqmall-gateway.jar --spring.profiles.active=prod
Spring Boot 2.0.2
Netty 4.1.31.Final

Netty version

[arthas@8866]$ sc -c io.netty.channel.epoll.EpollSocketChannel
The argument 'class-pattern' is required, description: Class name pattern, use either '.' or '/' as separator
[arthas@8866]$ sc -d io.netty.channel.epoll.EpollSocketChannel
class-info io.netty.channel.epoll.EpollSocketChannel
code-source file:/home/sqqmall/cloud/bncf2/sqqmall-gateway.jar!/BOOT-INF/lib/netty-transport-native-epoll-4.1.31.Final-linux-x86_64.jar!/
name io.netty.channel.epoll.EpollSocketChannel
isInterface false
isAnnotation false
isEnum false
isAnonymousClass false
isArray false
isLocalClass false
isMemberClass false
isPrimitive false
isSynthetic false
simple-name EpollSocketChannel
modifier final,public
annotation
interfaces io.netty.channel.socket.SocketChannel
super-class +-io.netty.channel.epoll.AbstractEpollStreamChannel
+-io.netty.channel.epoll.AbstractEpollChannel
+-io.netty.channel.AbstractChannel
+-io.netty.util.DefaultAttributeMap
+-java.lang.Object
class-loader +-org.springframework.boot.loader.LaunchedURLClassLoader@b1bc7ed
+-sun.misc.Launcher$AppClassLoader@55f96302
+-sun.misc.Launcher$ExtClassLoader@71c3a8d0
classLoaderHash b1bc7ed

Affect(row-cnt:1) cost in 15 ms.

JVM version

java version "1.8.0_11"
Java(TM) SE Runtime Environment (build 1.8.0_11-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)

OS version

3.10.0-1062.4.1.el7.x86_64 #1 SMP Fri Oct 18 17:15:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

[hyperxpro]

Please upgrade to the latest version of Netty and see if the issue persists.

[NiteshKant]

-Xms128M -Xmx512M

Are you sure this much memory is enough for your request load?

[NiteshKant]

@gavin1888 since this does not look like an issue yet, I will transfer this to GH discussion and we can move back if this turns out to be a netty issue.