# Error in downloading metaphlan database

**URL:** <https://forum.biobakery.org/t/error-in-downloading-metaphlan-database/8966>\
**Category:** MetaPhlAn\
**Created:** [June 11, 2026, 5:03am UTC](https://forum.biobakery.org/t/error-in-downloading-metaphlan-database/8966 "2026-06-11T05:03:46Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Shourish\_Das](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/shourish_das/32/3658_2.png) [@Shourish\_Das](https://forum.biobakery.org/u/Shourish_Das)\
**Post date:** [June 11, 2026, 5:03am UTC](https://forum.biobakery.org/t/error-in-downloading-metaphlan-database/8966/1 "2026-06-11T05:03:46Z")

</div>

metaphlan --install  
Thu Jun 11 10:07:40 2026: Downloading [http://cmprod1.cibio.unitn.it/biobakery4/metaphlan\_databases/mpa\_latest](http://cmprod1.cibio.unitn.it/biobakery4/metaphlan_databases/mpa_latest)  
Thu Jun 11 10:07:40 2026: Downloading file of size: 0.0000 MB  
Thu Jun 11 10:07:40 2026: MetaPhlAn database not present or partially present in /home/romilab-ws1/miniconda3/envs/humann\_env/lib/python3.10/site-packages/metaphlan/metaphlan\_databases.  
Downloading database  
Please note due to the size this might take a few minutes.  
Thu Jun 11 10:07:40 2026: Downloading and uncompressing bowtie2 indexes  
Thu Jun 11 10:07:40 2026: Downloading [http://cmprod1.cibio.unitn.it/biobakery4/metaphlan\_databases/bowtie2\_indexes/mpa\_vJan25\_CHOCOPhlAnSGB\_202503\_bt2.tar](http://cmprod1.cibio.unitn.it/biobakery4/metaphlan_databases/bowtie2_indexes/mpa_vJan25_CHOCOPhlAnSGB_202503_bt2.tar)  
Thu Jun 11 10:07:41 2026: Downloading file of size: 33433.5645 MB  
Thu Jun 11 10:09:35 2026: [Error] EnvironmentError “[Errno 104] Connection reset by peer”  
Unable to download [http://cmprod1.cibio.unitn.it/biobakery4/metaphlan\_databases/bowtie2\_indexes/mpa\_vJan25\_CHOCOPhlAnSGB\_202503\_bt2.tar](http://cmprod1.cibio.unitn.it/biobakery4/metaphlan_databases/bowtie2_indexes/mpa_vJan25_CHOCOPhlAnSGB_202503_bt2.tar)  
Thu Jun 11 10:09:35 2026: Stop execution.

the download stops at around 1.4 GB every single time