netty: Epoll native library does NOT load after upgrade between 4.1.39 and 4.1.40

Expected behavior

Native epoll support keeps working after upgrade.

Actual behavior

Server apps fail on startup with the following stack trace:

...
Caused by: java.lang.UnsatisfiedLinkError: failed to load the required native library
	at io.netty.channel.epoll.Epoll.ensureAvailability(Epoll.java:80)
	at io.netty.channel.epoll.EpollEventLoop.<clinit>(EpollEventLoop.java:52)
	at io.netty.channel.epoll.EpollEventLoopGroup.newChild(EpollEventLoopGroup.java:142)
	at io.netty.channel.epoll.EpollEventLoopGroup.newChild(EpollEventLoopGroup.java:35)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
	at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
	at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:104)
	at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:91)
	at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:68)
	at com.db.abos.common.api.transport.netty.NettyOsFactory.newGroup(NettyOsFactory.java:66)
	at com.db.abos.common.api.transport.netty.ServerWebSocketFactory.<init>(ServerWebSocketFactory.java:91)
	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.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
	... 19 common frames omitted
Caused by: java.lang.UnsatisfiedLinkError: /tmp/libnetty_transport_native_epoll_x86_643970988024581631659.so: /lib64/libc.so.6: version `GLIBC_2.12' not found (required by /tmp/libnetty_transport_native_epoll_x86_643970988024581631659.so)
	at java.lang.ClassLoader$NativeLibrary.load(Native Method)
	at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941)
	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824)
	at java.lang.Runtime.load0(Runtime.java:810)
	at java.lang.System.load(System.java:1086)
	at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:36)
	at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349)
	at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:203)
	at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:228)
	at io.netty.channel.epoll.Native.<clinit>(Native.java:57)
	at io.netty.channel.epoll.Epoll.<clinit>(Epoll.java:39)
	... 36 common frames omitted
	Suppressed: java.lang.UnsatisfiedLinkError: /tmp/libnetty_transport_native_epoll_x86_643970988024581631659.so: /lib64/libc.so.6: version `GLIBC_2.12' not found (required by /tmp/libnetty_transport_native_epoll_x86_643970988024581631659.so)
		at java.lang.ClassLoader$NativeLibrary.load(Native Method)
		at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941)
		at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824)
		at java.lang.Runtime.load0(Runtime.java:810)
		at java.lang.System.load(System.java:1086)
		at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:36)
		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 io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369)
		at java.security.AccessController.doPrivileged(Native Method)
		at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361)
		at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339)
		... 40 common frames omitted
	Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path
		at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
		at java.lang.Runtime.loadLibrary0(Runtime.java:871)
		at java.lang.System.loadLibrary(System.java:1122)
		at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
		at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349)
		at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136)
		... 39 common frames omitted
		Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path
			at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
			at java.lang.Runtime.loadLibrary0(Runtime.java:871)
			at java.lang.System.loadLibrary(System.java:1122)
			at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
			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 io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369)
			at java.security.AccessController.doPrivileged(Native Method)
			at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361)
			at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339)
			... 40 common frames omitted
	Suppressed: java.lang.UnsatisfiedLinkError: could not load a native library: netty_transport_native_epoll
		at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:224)
		at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:231)
		... 38 common frames omitted
	Caused by: java.io.FileNotFoundException: META-INF/native/libnetty_transport_native_epoll.so
		at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:173)
		... 39 common frames omitted
		Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path
			at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
			at java.lang.Runtime.loadLibrary0(Runtime.java:871)
			at java.lang.System.loadLibrary(System.java:1122)
			at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
			at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349)
			at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136)
			... 39 common frames omitted
			Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path
				at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
				at java.lang.Runtime.loadLibrary0(Runtime.java:871)
				at java.lang.System.loadLibrary(System.java:1122)
				at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38)
				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 io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369)
				at java.security.AccessController.doPrivileged(Native Method)
				at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361)
				at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339)
				... 40 common frames omitted

Steps to reproduce

assertNull(Epoll.unavailabilityCause())

Netty version

4.1.39 - epoll works 4.1.40 - epoll does NOT work

JVM version (e.g. `java -version`)

% java -version
openjdk version "1.8.0_221"
OpenJDK Runtime Environment (Zulu 8.39.0.8-SA-linux64) (build 1.8.0_221-b08)
OpenJDK 64-Bit Server VM (Zulu 8.39.0.8-SA-linux64) (build 25.221-b08, mixed mode)

OS version (e.g. `uname -a`)

% uname -a
Linux gmafxu43 3.0.101-108.98-default #1 SMP Mon Jul 15 13:58:06 UTC 2019 (262a94d) x86_64 x86_64 x86_64 GNU/Linux

% cat /etc/os-release
NAME="SLES"
VERSION="11.4"
VERSION_ID="11.4"
PRETTY_NAME="SUSE Linux Enterprise Server 11 SP4"
ID="sles"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:suse:sles:11:4"

About this issue

Original URL
State: closed
Created 5 years ago
Comments: 22 (22 by maintainers)

Commits related to this issue

Remove dependency on GLIBC 2.12 by using syscalls directly Motivation: 394a1b3485000c211595aff7495c4f863972af29 introduced a hard dependency on GLIBC 2.12 which was not the case before. This had the... — committed to netty/netty by normanmaurer 5 years ago
Remove dependency on GLIBC 2.12 by using syscalls directly (#9797) Motivation: 394a1b3485000c211595aff7495c4f863972af29 introduced a hard dependency on GLIBC 2.12 which was not the case before. Th... — committed to netty/netty by normanmaurer 5 years ago
Remove dependency on GLIBC 2.12 by using syscalls directly (#9797) Motivation: 394a1b3485000c211595aff7495c4f863972af29 introduced a hard dependency on GLIBC 2.12 which was not the case before. This... — committed to netty/netty by normanmaurer 5 years ago
Remove dependency on GLIBC 2.12 by using syscalls directly (#9797) Motivation: 394a1b3485000c211595aff7495c4f863972af29 introduced a hard dependency on GLIBC 2.12 which was not the case before. Th... — committed to amizurov/netty by normanmaurer 5 years ago

Most upvoted comments

glibc 2.3 was released in 2002. I think you need to upgrade. If not, you can compile the native portion of netty on box, with the correct linkage.

carl-mastrangelo on Nov 7, 2019