JVM method invocations fail with JNA error (GLIBC_2.33 required while OS uses GLIBC_2.31) on Ubuntu 20.04

[DavidPSterling]

Describe the bug
When running a java app with BDK-JVM and invoking a BDK method on JDK 17 Ubuntu 20.04 you get the following error:

Caused by: java.lang.UnsatisfiedLinkError: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.33' not found (required by /home/jvm/app/.cache/JNA/temp/jna11330805848757947290.tmp)
        at com.sun.jna.Native.open(Native Method) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:277) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:461) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at com.sun.jna.Library$Handler.<init>(Library.java:192) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at com.sun.jna.Native.load(Native.java:596) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at com.sun.jna.Native.load(Native.java:570) ~[jna-5.6.0.jar!/:5.6.0 (b0)]
        at org.bitcoindevkit._UniFFILib$Companion$INSTANCE$2.invoke(bdk.kt:4112) ~[bdk-jvm-0.27.1.jar!/:na]
        at org.bitcoindevkit._UniFFILib$Companion$INSTANCE$2.invoke(bdk.kt:258) ~[bdk-jvm-0.27.1.jar!/:na]
        at kotlin.SynchronizedLazyImpl.getValue(LazyJVM.kt:74) ~[kotlin-stdlib-1.7.22.jar!/:1.7.22-release-288(1.7.22)]
        at org.bitcoindevkit._UniFFILib$Companion.getINSTANCE$lib(bdk.kt:258) ~[bdk-jvm-0.27.1.jar!/:na]
        at org.bitcoindevkit.DescriptorPublicKey$Companion.fromString(bdk.kt:1461) ~[bdk-jvm-0.27.1.jar!/:na]

The latest GLIBC on Ubuntu 20.04 is 2.31. The JNA dependency version (5.6.0) was released in July 2020 when the latest GLIBC was 2.31. The system libs are upgraded and up-to-date as per the package manager (no custom libc).

To Reproduce
Invoke a BDK method from a Java app with JDK 17 on Ubuntu 20.04

Expected behavior
No error.

Run environment

• BDK tag/commit: 0.27.1
• OS+version: Ubuntu 20.04.6 LTS

[DavidPSterling]

Fixed by compiling bdk-jvm on Ubuntu 20.04.

[thunderbiscuit]

I'll revert the test and publish workflows to run on the ubuntu-20.04 image so that will fix the issue for the 0.28.0 release.

But this is pointing out a deeper issue; we should make sure we build with an old enough version of glibc that bdk-jvm works on all sorts of Linux distros, including much older ones than Ubuntu 20.04.

For example it'd be quite fair to expect users to run their servers on Debian oldstable (Debian 10, Buster), whose glibc is 2.28.

[thunderbiscuit]

Closing this as it's been resolved. See #353 for continued discussion around older Linux distribution support.