# Discourse Build Error: “An error occurred while installing rbtrace (0.5.1), and Bundler cannot continue

**URL:** <https://meta.discourse.org/t/discourse-build-error-an-error-occurred-while-installing-rbtrace-0-5-1-and-bundler-cannot-continue/289530>\
**Category:** Self-hosting\
**Created:** [December 22, 2023, 9:51am UTC](https://meta.discourse.org/t/discourse-build-error-an-error-occurred-while-installing-rbtrace-0-5-1-and-bundler-cannot-continue/289530 "2023-12-22T09:51:22Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![0xDBFB7](https://avatars.discourse-cdn.com/v4/letter/0/53a042/32.png) [@0xDBFB7](https://meta.discourse.org/u/0xDBFB7)\
**Post date:** [January 6, 2024, 8:08pm UTC](https://meta.discourse.org/t/discourse-build-error-an-error-occurred-while-installing-rbtrace-0-5-1-and-bundler-cannot-continue/289530/6 "2024-01-06T20:08:08Z")

</div>

I also seem to have run into this issue, unfortunately.

```plaintext
I, [2024-01-06T19:38:58.925098 #1] INFO -- : > cd /var/www/discourse && su discourse -c 'bundle install --retry 3 --jobs 4'
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

current directory:
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1/ext
/usr/local/bin/ruby extconf.rb
  -- tar zxvfo msgpack-1.1.0.tar.gz
  -- env CFLAGS=nil LDFLAGS=nil CC=nil
-- ./configure --disable-dependency-tracking --disable-shared --with-pic
--prefix=/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1/ext/dst/
--libdir=/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1/ext/dst/lib
***extconf.rb failed***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/local/bin/$(RUBY_BASE_NAME)
extconf.rb:6:in `sys': ./configure --disable-dependency-tracking
--disable-shared --with-pic
--prefix=/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1/ext/dst/
--libdir=/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1/ext/dst/lib
failed, please report to https://github.com/tmm1/rbtrace/issues (RuntimeError)
	from extconf.rb:42:in `block (2 levels) in <main>'
	from extconf.rb:34:in `chdir'
	from extconf.rb:34:in `block in <main>'
	from extconf.rb:30:in `chdir'
	from extconf.rb:30:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can
be found here:

/var/www/discourse/vendor/bundle/ruby/3.2.0/extensions/x86_64-linux/3.2.0/rbtrace-0.5.1/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in
/var/www/discourse/vendor/bundle/ruby/3.2.0/gems/rbtrace-0.5.1 for inspection.
Results logged to
/var/www/discourse/vendor/bundle/ruby/3.2.0/extensions/x86_64-linux/3.2.0/rbtrace-0.5.1/gem_make.out

  /usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/builder.rb:125:in `run'
/usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/ext_conf_builder.rb:28:in
`build'
/usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/builder.rb:193:in
`build_extension'
/usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/builder.rb:227:in `block in
build_extensions'
  /usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/builder.rb:224:in `each'
/usr/local/lib/ruby/site_ruby/3.2.0/rubygems/ext/builder.rb:224:in
`build_extensions'
/usr/local/lib/ruby/site_ruby/3.2.0/rubygems/installer.rb:852:in
`build_extensions'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/rubygems_gem_installer.rb:72:in
`build_extensions'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/rubygems_gem_installer.rb:28:in
`install'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/source/rubygems.rb:198:in
`install'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/installer/gem_installer.rb:54:in
`install'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/installer/gem_installer.rb:16:in
`install_from_spec'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/installer/parallel_installer.rb:156:in
`do_install'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/installer/parallel_installer.rb:147:in
`block in worker_pool'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/worker.rb:62:in
`apply_func'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/worker.rb:57:in
`block in process_queue'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/worker.rb:54:in
`loop'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/worker.rb:54:in
`process_queue'
/usr/local/lib/ruby/gems/3.2.0/gems/bundler-2.4.13/lib/bundler/worker.rb:90:in
`block (2 levels) in create_threads'

An error occurred while installing rbtrace (0.5.1), and Bundler cannot continue.

In Gemfile:
  rbtrace
I, [2024-01-06T19:39:23.286237 #1] INFO -- : Fetching gem metadata from https://rubygems.org/.........

```

```plaintext
sudo lsb_release -a
No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 9.4 (stretch)
Release:	9.4
Codename:	stretch

docker -v
Docker version 19.03.14, build 5eb3275d40

```

* * *

Tried cloning docker\_discourse anew (commit fcce1376043adeb09e21ec1ec079a41e4d29fe6e), copying over app.yaml and shared/ and running rebuild. Same issue.

---

_[View the full topic](https://meta.discourse.org/t/discourse-build-error-an-error-occurred-while-installing-rbtrace-0-5-1-and-bundler-cannot-continue/289530)._