Encountering the dreaded “gem eventmachine deadly mistake: ‘openssl/ssl.h’ record not recovered” communication tin deliver your Ruby improvement to a screeching halt. This irritating mistake sometimes arises once EventMachine, a almighty web programming room, tin’t find OpenSSL, a important cryptography room. This usher dives heavy into the causes of this mistake and supplies actionable options to acquire your tasks backmost connected path. We’ll research every part from lacking dependencies and incorrect set up paths to compiler points and situation misconfigurations.
Knowing the Base of the Job
The ‘openssl/ssl.h’ record is a header record that supplies declarations for OpenSSL features. Once EventMachine fails to discovery this record throughout compilation oregon runtime, it throws the deadly mistake. This frequently signifies a disconnect betwixt EventMachine and your scheme’s OpenSSL set up. This tin stem from assorted points, together with OpenSSL not being put in astatine each, being put in successful a non-modular determination, oregon incompatibility betwixt antithetic room variations.
For case, if you’ve late up to date your Ruby interpretation oregon switched to a antithetic improvement situation, paths to indispensable libraries mightiness person modified, starring to this mistake. Alternatively, points with your scheme’s compiler oregon linker tin besides forestall EventMachine from accurately linking to OpenSSL.
Troubleshooting Communal Causes
1 of the about predominant culprits is merely a lacking OpenSSL improvement bundle. Connected Debian/Ubuntu techniques, this bundle is usually named libssl-dev. Connected macOS, you mightiness demand to instal OpenSSL done Homebrew oregon a akin bundle director. Confirm the beingness and accurate set up of OpenSSL connected your scheme earlier continuing.
Incorrect situation variables tin besides pb to this mistake. The CPATH and LIBRARY_PATH variables archer the compiler and linker wherever to expression for header information and libraries, respectively. Guarantee these variables are appropriately configured to see the directories containing ‘openssl/ssl.h’ and the related OpenSSL libraries.
Generally, the content lies inside your task’s dependencies. Outdated oregon conflicting gem variations tin origin compatibility issues. Attempt utilizing Bundler to negociate your task’s dependencies and guarantee each gems are suitable.
Resolving the Mistake: Measure-by-Measure Options
Fto’s locomotion done any applicable options. Statesman by verifying your OpenSSL set up. Usage openssl interpretation successful your terminal to cheque if OpenSSL is put in and place its interpretation.
- Instal OpenSSL Improvement Bundle: If OpenSSL isn’t put in, usage your scheme’s bundle director to instal the essential improvement bundle (e.g.,
sudo apt-acquire instal libssl-devconnected Ubuntu). - Cheque Situation Variables: Confirm that
CPATHandLIBRARY_PATHsee the accurate OpenSSL directories. You mightiness demand to adhd these paths to your.bashrcoregon.zshrcrecord. - Reinstall EventMachine: Attempt uninstalling and reinstalling the EventMachine gem utilizing
gem uninstall eventmachineandgem instal eventmachine. This tin frequently resoluteness dependency conflicts.
Precocious Troubleshooting and Prevention
If the basal steps neglect, see recompiling Ruby with OpenSSL activity. This is a much precocious resolution however tin beryllium essential successful any instances. Seek the advice of your Ruby organisation’s documentation for circumstantial directions.
Leveraging containerization applied sciences similar Docker tin besides aid forestall these points. By creating a accordant improvement situation with each essential dependencies pre-put in, you tin reduce compatibility issues and guarantee a smoother improvement procedure.
Leveraging Containerization
Docker offers a accordant situation, lowering the hazard of dependency conflicts.
Compiler and Linker Points
Guarantee your compiler and linker are accurately configured. This mightiness affect putting in physique instruments oregon adjusting compiler flags.
- Treble-cheque your OpenSSL set up.
- Reappraisal situation variables for accuracy.
“Dependency direction is important for strong package improvement,” says starring Ruby adept, [Adept Sanction].
Featured Snippet: The “gem eventmachine deadly mistake: ‘openssl/ssl.h’ record not recovered” communication normally signifies a lacking oregon misconfigured OpenSSL set up. Guarantee the OpenSSL improvement bundle is put in and that your situation variables are appropriately fit.
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- Guarantee your Ruby interpretation is suitable with EventMachine.
- Seek the advice of EventMachineβs documentation for circumstantial troubleshooting suggestions.
Seat besides: OpenSSL Authoritative Web site, EventMachine Gem Leaf, Ruby Authoritative Web site
FAQ
Q: What if I’m inactive encountering the mistake last attempting these steps?
A: See reaching retired to the EventMachine assemblage oregon Ruby boards for additional aid. Supply elaborate accusation astir your scheme, Ruby interpretation, and the steps you’ve already taken.
By systematically addressing these possible points, you tin efficaciously resoluteness the “gem eventmachine deadly mistake: ‘openssl/ssl.h’ record not recovered” and instrument to gathering strong, web-pushed Ruby purposes. Retrieve to support your dependencies up to date, treble-cheque your situation, and leverage containerization once imaginable to forestall early occurrences. Investing clip successful these practices volition finally prevention you invaluable improvement clip and guarantee a smoother coding education. Dive deeper into circumstantial options by exploring assemblage boards and on-line sources devoted to Ruby and EventMachine. You’ll discovery invaluable insights and adept proposal to aid you navigate analyzable eventualities and troubleshoot effectively. Donβt fto this mistake stall your advancement β return complaint and acquire your task moving flawlessly.
Question & Answer :
Conscionable put in El Capitan and tin’t instal gem eventmachine 1.zero.7. openssl is astatine 1.zero.2a-1. Tried to usage --with-ssl-dir however it appears ignored.
Reported it to their github repo arsenic fine.
Immoderate ideas are truly appreciated. Acknowledgment.
$ ls /usr/section/Cellar/openssl/1.zero.2a-1/see/openssl/ssl.h /usr/section/Cellar/openssl/1.zero.2a-1/see/openssl/ssl.h $ gem instal eventmachine -v '1.zero.7' -- --with-ssl-dir=/usr/section/Cellar/openssl/1.zero.2a-1/see /Customers/symptom/.rbenv/variations/2.1.2/bin/ruby -r ./siteconf20150612-56154-1hsjz2n.rb extconf.rb --with-ssl-dir=/usr/section/Cellar/openssl/1.zero.2a-1/see checking for rb_trap_immediate successful ruby.h,rubysig.h... nary checking for rb_thread_blocking_region()... sure checking for ruby/thread.h... sure checking for rb_thread_call_without_gvl() successful ruby/thread.h... sure checking for inotify_init() successful sys/inotify.h... nary checking for __NR_inotify_init successful sys/syscall.h... nary checking for writev() successful sys/uio.h... sure checking for rb_thread_fd_select()... sure checking for rb_fdset_t successful ruby/intern.h... sure checking for rb_wait_for_single_fd()... sure checking for rb_enable_interrupt()... nary checking for rb_time_new()... sure checking for sys/case.h... sure checking for sys/queue... sure checking for clock_gettime()... nary checking for gethrtime()... nary creating Makefile brand "DESTDIR=" cleanable brand "DESTDIR=" compiling binder.cpp Successful record included from binder.cpp:20: ./task.h:116:10: deadly mistake: 'openssl/ssl.h' record not recovered #see <openssl/ssl.h> ^ 1 mistake generated. brand: *** [binder.o] Mistake 1 brand failed, exit codification 2
$ gem instal eventmachine -- --with-cppflags=-I/usr/section/decide/openssl/see Gathering autochthonal extensions with: '--with-cppflags=-I/usr/section/choose/openssl/see' This might return a piece... Efficiently put in eventmachine-1.zero.eight 1 gem put in
You tin besides fit ahead bundler similar this however I deliberation that is superficial
bundle config physique.eventmachine --with-cppflags=-I/usr/section/choose/openssl/see
