Running agent without libstdc++

[rrva]

Using agent 0.11.1 with the docker base image amazoncorretto:19.0.2-alpine3.17 I get the following error:

Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/?-pyroscope/libasyncProfiler-linux-musl-x64-f6ab1a383549585b63e2b7869345eafc0dca778.so: Error loading shared library libstdc++.so.6: No such file or directory (needed by /tmp/?-pyroscope/libasyncProfiler-linux-musl-x64-f6ab1a383549585b63e2b7869345eafc0dca778.so

Switching the docker base image to eclipse-temurin:19_36-jdk resolves the problem.

Can libstdc++ be linked statically into libasyncProfiler ? That way we can use a java base image which lacks it.

[korniltsev]

eclipse-temurin:19_36-jdk is based on Ubuntu 22.04 , not alpine. It has libstdc++ installed under /lib/x86_64-linux-gnu/libstdc++.so.6

amazoncorretto:19.0.2-alpine3.17 is based on alpine and has no libstdc++ installed
you can add it by apk add libstdc++

While it is probably possible(I am not sure) to link c++ statically I would prefer not to do it (even try) just because genuine async-profiler does not do it and we want to be as close as possible to the upstream

[rrva]

Opened async-profiler/async-profiler#729

[rmak-cpi]

While my scenario is not 100% the same, I actually got pyroscope java agent to work with adoptopenjdk/openjdk8:jre${java_version}-alpine image. It looks like the adopenjdk image has libstdc++.so.6 installed at /usr/glibc-compat/lib/libstdc++.so.6. Perhaps it is possible to install libstdc++ on corretto image via apk add libstdc++?

https://pkgs.alpinelinux.org/packages?name=libstdc%2B%2B&branch=edge&repo=&arch=&maintainer=

[rrva]

While my scenario is not 100% the same, I actually got pyroscope java agent to work with adoptopenjdk/openjdk8:jre${java_version}-alpine image. It looks like the adopenjdk image has libstdc++.so.6 installed at /usr/glibc-compat/lib/libstdc++.so.6. Perhaps it is possible to install libstdc++ on corretto image via apk add libstdc++?

https://pkgs.alpinelinux.org/packages?name=libstdc%2B%2B&branch=edge&repo=&arch=&maintainer=

The idea behind this issue is to not have to customize the base docker image at all, but still run the agent. For these cases it should work with whatever the base alpine image contains, which is no libstdc++

[korniltsev]

I will close this issue for now. We will update AP once the upstream issue is addressed.