Argos beta 50 fails to run due to unresolved symbol about argos3 HOT 24 CLOSED

Hi @eliseofe, to diagnose the issue I need some more information. Can you let me know the following?

1. You have installed ARGoS from the DEB package, correct?
2. Can you give me the output of uname -a and lsb_release -a
3. Have you previously installed an older version of ARGoS on this computer?
4. Can you give me the output of ls -al /usr/local/lib/argos3/ and ls -al /usr/lib/argos3/
5. Is that the whole output from running argos3 -c synchronization.argos or are you just showing the relevant sample of the output?

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I tried reproducing your problem on Ubuntu 16.04 and Mac OS Sierra, but everything seems to be working correctly.

If you install beta50 and run argos3 -q all, what's the output?

I suspect that you have ARGoS installed twice in the system.

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The output of the commands mentioned by @allsey87 and argos3 -q all will tell us what's going on :-) We'll wait for an answer.

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Please install beta50 and execute the commands @allsey87 and myself suggested.

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Also, please document the exact list of commands you used to uninstall and install ARGoS.

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I had installed version 49 earlier and it was working fine. Now After I had Upgraded to version 50 using "sudo dpkg -i" facing following problems

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@ARArun can you post text rather than a screenshot? I need to be able to copy paste from your output.

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@eliseofe What I have is the same as you guys. @allsey87 might have more files, but they work for me. I'm looking into it.

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I checked the files and there seems to be nothing off. Please try these commands and show me the output in text form (no screenshots, I need to be able to copy-paste):

1. ls -l /usr/lib/argos3
2. ldd /usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so

What version of Ubuntu are you using? 32 or 64 bits?

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The result of running the said two commands and I am using 64 bit system

amar@amar-HP-Compaq-8200-Elite-SFF-PC:~/Downloads$ argos3 -v
3.0.0-beta50
amar@amar-HP-Compaq-8200-Elite-SFF-PC:~/Downloads$ argos3 -q all
[FATAL] Can't load library "/usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so" even after trying to add extensions for shared library (so) and module library (so): /usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so: /usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so: undefined symbol: _ZTIN5argos21CMagnetEquippedEntityE
/usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so.so: /usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so.so: cannot open shared object file: No such file or directory
/usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so.so: OK
amar@amar-HP-Compaq-8200-Elite-SFF-PC:~/Downloads$ ls -l /usr/lib/argos3
total 6520
-rw-r--r-- 1 root root  847744 May  2 10:37 libargos3core_simulator.so
-rw-r--r-- 1 root root  242560 May  2 10:37 libargos3plugin_simulator_dynamics2d.so
-rw-r--r-- 1 root root 2254408 May  2 10:37 libargos3plugin_simulator_dynamics3d.so
-rw-r--r-- 1 root root  693360 May  2 10:37 libargos3plugin_simulator_entities.so
-rw-r--r-- 1 root root  155352 May  2 10:37 libargos3plugin_simulator_epuck.so
-rw-r--r-- 1 root root  200608 May  2 10:37 libargos3plugin_simulator_eyebot.so
-rw-r--r-- 1 root root  435280 May  2 10:37 libargos3plugin_simulator_footbot.so
-rw-r--r-- 1 root root  483744 May  2 10:37 libargos3plugin_simulator_genericrobot.so
-rw-r--r-- 1 root root  269376 May  2 10:37 libargos3plugin_simulator_media.so
-rw-r--r-- 1 root root   89112 May  2 10:37 libargos3plugin_simulator_pointmass3d.so
-rw-r--r-- 1 root root  365264 May  2 10:37 libargos3plugin_simulator_prototype.so
-rw-r--r-- 1 root root  462888 May  2 10:37 libargos3plugin_simulator_qtopengl.so
-rw-r--r-- 1 root root  151168 May  2 10:37 libargos3plugin_simulator_spiri.so
amar@amar-HP-Compaq-8200-Elite-SFF-PC:~/Downloads$ ldd /usr/lib/argos3/libargos3plugin_simulator_dynamics3d.so
	linux-vdso.so.1 =>  (0x00007ffcd51c5000)
	libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007ff6ce226000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007ff6cdf1d000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007ff6cdd07000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff6cd93d000)
	/lib64/ld-linux-x86-64.so.2 (0x00007ff6ce9d2000)
amar@amar-HP-Compaq-8200-Elite-SFF-PC:~/Downloads$ 

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Thanks @ARArun, I think I have a solution. I'll make a new beta50 in a few minutes.

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That would be great and thanks, professor.

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OK I made a new beta50 release. Please download it from here and let me know if it works.

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Thank you, professor. The new link works well.

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A-HA!

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d8c1b5d

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Different versions of ld have different linking behaviors, and the order in which libraries are linked may vary. In my tests, the order was such that this issue did not appear. On some systems, the issue causes a crash. The solution was to fix a CMake script that was added recently to make the library dependencies explicit.

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