[DFTB-Plus-User] installation problem

juhasz.g.aa juhasz.g.aa at m.titech.ac.jp
Tue Nov 29 13:04:30 CET 2022


Dear colleages,
I am trying to install DFTB+ on a WSL2 Ubuntu18 envirtonment using the conda/mamba root.
I was previously succesfull in similar setting, now if I run the mamba installation:

(inside the environment created for dftb+) 
> mamba install 'dftbplus=*=nompi_*'

I got an error:

Traceback (most recent call last):
  File "/home/greg/anaconda3/condabin/mamba", line 7, in <module>
    from mamba.mamba import main
  File "/home/greg/anaconda3/lib/python3.7/site-packages/mamba/mamba.py", line 49, in <module>
    import libmambapy as api
  File "/home/greg/anaconda3/lib/python3.7/site-packages/libmambapy/__init__.py", line 7, in <module>
    raise e
  File "/home/greg/anaconda3/lib/python3.7/site-packages/libmambapy/__init__.py", line 4, in <module>
    from libmambapy.bindings import *  # noqa: F401,F403
ImportError: /home/greg/anaconda3/lib/python3.7/site-packages/libmambapy/../../../libmamba.so.2: undefined symbol: archive_write_add_filter_zstdI had to 

I have tried to re-install mamba
> conda install -n base mamba
but everything is OK according to mamba

my conda info:
     active environment : dftb+
    active env location : /home/greg/anaconda3/envs/dftb+
            shell level : 1
       user config file : /home/greg/.condarc
 populated config files : /home/greg/.condarc
          conda version : 22.9.0
    conda-build version : 3.22.0
         python version : 3.7.4.final.0
       virtual packages : __linux=5.10.43.3=0
                          __glibc=2.27=0
                          __unix=0=0
                          __archspec=1=x86_64
       base environment : /home/greg/anaconda3  (writable)
      conda av data dir : /home/greg/anaconda3/etc/conda

Before upgrading the OS and updating conda, the same mamba installation was running (though it 
Frankly, I am not sure what is going on so any suggestion is appreciated.
Thank you very much and best regards!

------------------------------------
Gergely (Greg) Juhasz
Special Appointed Associate Professor
Tokyo Institute of Technology
Tokyo, Japan
------------------------------------


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