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

See original GitHub issue

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"

Issue Analytics

  • State:closed
  • Created 4 years ago
  • Comments:22 (22 by maintainers)

github_iconTop GitHub Comments

1reaction
carl-mastrangelocommented, Nov 7, 2019

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.

0reactions
ursajcommented, Nov 25, 2019

@normanmaurer thanks a lot!

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