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rapids/docs/faq.md

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Frequently Asked Questions

Cannot connect to your MySQL server

???+ failure "Problem" ```bash Error in .local(drv, ...) : Failed to connect to database: Error: Can't initialize character set unknown (path: compiled_in) :

Calls: dbConnect -> dbConnect -> .local -> .Call
Execution halted
[Tue Mar 10 19:40:15 2020]
Error in rule download_dataset:
    jobid: 531
    output: data/raw/p60/locations_raw.csv

RuleException:
CalledProcessError in line 20 of /home/ubuntu/rapids/rules/preprocessing.snakefile:
Command 'set -euo pipefail;  Rscript --vanilla /home/ubuntu/rapids/.snakemake/scripts/tmp_2jnvqs7.download_dataset.R' returned non-zero exit status 1.
File "/home/ubuntu/rapids/rules/preprocessing.snakefile", line 20, in __rule_download_dataset
File "/home/ubuntu/anaconda3/envs/moshi-env/lib/python3.7/concurrent/futures/thread.py", line 57, in run
Shutting down, this might take some time.
Exiting because a job execution failed. Look above for error message
```

???+ done "Solution" Please make sure the DATABASE_GROUP in config.yaml matches your DB credentials group in .env.

Cannot start mysql in linux via brew services start mysql

???+ failure "Problem" Cannot start mysql in linux via brew services start mysql

???+ done "Solution" Use mysql.server start

Every time I run force the download_dataset rule all rules are executed

???+ failure "Problem" When running snakemake -j1 -R download_phone_data or ./rapids -j1 -R download_phone_data all the rules and files are re-computed

???+ done "Solution" This is expected behavior. The advantage of using snakemake under the hood is that every time a file containing data is modified every rule that depends on that file will be re-executed to update their results. In this case, since download_dataset updates all the raw data, and you are forcing the rule with the flag -R every single rule that depends on those raw files will be executed.

Error Table XXX doesn't exist while running the download_phone_data or download_fitbit_data rule.

???+ failure "Problem" bash Error in .local(conn, statement, ...) : could not run statement: Table 'db_name.table_name' doesn't exist Calls: colnames ... .local -> dbSendQuery -> dbSendQuery -> .local -> .Call Execution halted

???+ done "Solution" Please make sure the sensors listed in [PHONE_VALID_SENSED_BINS][PHONE_SENSORS] and the [TABLE] of each sensor you activated in config.yaml match your database tables.

How do I install RAPIDS on Ubuntu 16.04

???+ done "Solution" 1. Install dependencies (Homebrew - if not installed): - sudo apt-get install libmariadb-client-lgpl-dev libxml2-dev libssl-dev - Install brew for linux and add the following line to ~/.bashrc: export PATH=$HOME/.linuxbrew/bin:$PATH - source ~/.bashrc

1.  Install MySQL
    -   `brew install mysql`
    -   `brew services start mysql`

2.  Install R, pandoc and rmarkdown:
    -   `brew install r`
    -   `brew install gcc@6` (needed due to this [bug](https://github.com/Homebrew/linuxbrew-core/issues/17812))
    -   `HOMEBREW_CC=gcc-6 brew install pandoc`

3.  Install miniconda using these [instructions](https://docs.conda.io/projects/conda/en/latest/user-guide/install/linux.html)

4.  Clone our repo:
    -   `git clone https://github.com/carissalow/rapids`

5.  Create a python virtual environment:
    -   `cd rapids`
    -   `conda env create -f environment.yml -n MY_ENV_NAME`
    -   `conda activate MY_ENV_NAME`

6.  Install R packages and virtual environment:
    -   `snakemake renv_install`
    -   `snakemake renv_init`
    -   `snakemake renv_restore`

    This step could take several minutes to complete. Please be patient and let it run until completion.

mysql.h cannot be found

???+ failure "Problem" bash --------------------------[ ERROR MESSAGE ]---------------------------- <stdin>:1:10: fatal error: mysql.h: No such file or directory compilation terminated. ----------------------------------------------------------------------- ERROR: configuration failed for package 'RMySQL'

???+ done "Solution" bash sudo apt install libmariadbclient-dev

No package libcurl found

???+ failure "Problem" libcurl cannot be found

???+ done "Solution" Install libcurl bash sudo apt install libcurl4-openssl-dev

Configuration failed because openssl was not found.

???+ failure "Problem" openssl cannot be found

???+ done "Solution" Install openssl bash sudo apt install libssl-dev

Configuration failed because libxml-2.0 was not found

???+ failure "Problem" libxml-2.0 cannot be found

???+ done "Solution" Install libxml-2.0 bash sudo apt install libxml2-dev

SSL connection error when running RAPIDS

???+ failure "Problem" You are getting the following error message when running RAPIDS: bash Error: Failed to connect: SSL connection error: error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol.

???+ done "Solution" This is a bug in Ubuntu 20.04 when trying to connect to an old MySQL server with MySQL client 8.0. You should get the same error message if you try to connect from the command line. There you can add the option --ssl-mode=DISABLED but we can't do this from the R connector.

If you can\'t update your server, the quickest solution would be to import your database to another server or to a local environment. Alternatively, you could replace `mysql-client` and `libmysqlclient-dev` with `mariadb-client` and `libmariadbclient-dev` and reinstall renv. More info about this issue [here](https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1872541)

DB_TABLES key not found

???+ failure "Problem" If you get the following error KeyError in line 43 of preprocessing.smk: 'PHONE_SENSORS', it means that the indentation of the key [PHONE_SENSORS] is not matching the other child elements of PHONE_VALID_SENSED_BINS

???+ done "Solution" You need to add or remove any leading whitespaces as needed on that line.

```yaml
PHONE_VALID_SENSED_BINS:
    COMPUTE: False # This flag is automatically ignored (set to True) if you are extracting PHONE_VALID_SENSED_DAYS or screen or Barnett's location features
    BIN_SIZE: &bin_size 5 # (in minutes)
    PHONE_SENSORS: []
```

Error while updating your conda environment in Ubuntu

???+ failure "Problem" You get the following error: bash CondaMultiError: CondaVerificationError: The package for tk located at /home/ubuntu/miniconda2/pkgs/tk-8.6.9-hed695b0_1003 appears to be corrupted. The path 'include/mysqlStubs.h' specified in the package manifest cannot be found. ClobberError: This transaction has incompatible packages due to a shared path. packages: conda-forge/linux-64::llvm-openmp-10.0.0-hc9558a2_0, anaconda/linux-64::intel-openmp-2019.4-243 path: 'lib/libiomp5.so'

???+ done "Solution" Reinstall conda