MongoDb shuts down with Code 100

Question

I followed the MongoDb Docs to setup my first MongoDb    When I start MongoDB using the command   C  Program Files MongoDB Server 3 4 bin mongod exe   I get the following error

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For macOS users to fix this issue  You need to go through the following steps  Create the    db    directory  This is where the Mongo data files will live  You can create the directory in the default location by running  sudo mkdir -p  data db  Make sure that the  data db directory has the right permissions by running  sudo chown -R  id -un   data db  You re all set now and you can run sudo mongod to start the Mongo server  It s not working if you run only mongod Source

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Same issue on my Mac  using Brew  solved using    sudo mongod

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For windows i ve got same issue    The fix was - i need to run command line as administrator

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Mac Users  Instead of running MongoDB with     sudo mongod                                                               You can use mongod instead if you    Locate the data folder of mongodb  usually   data  Add permission to read   write with sudo chmod -R ugo rw data   If you need to use sudo when running mongodb  sudo mongod   that means you don t have read and write permission on the mongodb data folder

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In my case  I got a similar error and it was happening because I had run mongod with the root user and that had created a log file only accessible by the root  I could fix this by changing the ownership from root to the user you normally run mongod from  The log file was in  var lib mongodb journal

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I kept getting the following error when I tried to start mongodb  on mac os     shutting down with code 100    I was using the following command     mongod --dbpath   mongo-data   The fix for me was that I didn t need the     sign and this was causing the error  So I did    mongod --dbpath   mongo-data   Just wanted to throw this out there because the error in no way specifies that this is the problem  I almost removed the contents of the   mongo-data directory to see if that helped  Glad I remembered that cli args sometimes do not use the     sign

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Please take following steps    As other friends mentioned  you should make a directory first for your database data to be stored  This folder could be something like    C  mongo-data From command line navigate to where you have installed mongodb and where mongod exe resides  In my case the full path is   C  Program Files MongoDB Server 3 4 bin From here run mongod exe and pass it the path to the folder you created in step one using the flag --dbpath as follows   mongod exe --dbpath  C  mongo-data       Please Note  If you are on windows it is necessary to use double-quotes      in the above to run properly     In this way you will get something like the following   2017-06-14T12 45 59 892 0430 I NETWORK   thread1  waiting for connections on port 27017   If you use single quotes       on windows  you will get   2017-06-14T01 13 45 965-0700 I CONTROL   initandlisten  shutting down with code 100   Hope it helps to resolve the issue

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typed mongod and getting error   Errors   exception in initAndListen  NonExistentPath  Data directory  data db not found    terminating  shuts down with Code 100  Then try with  create data and db folder with all permission   mongod --dbpath  data  use new tab and type mongo    use dbs  If still you are facing prob then you can check for mac catalina   https   docs mongodb com manual tutorial install-mongodb-on-os-x-tarball     for windows  https   docs mongodb com manual tutorial install-mongodb-on-windows-unattended

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MongoDB needs a folder to store the database  Create a C  data db  directory  mkdir C  data db  and then start MongoDB  C  Program Files MongoDB Server 3 4 bin mongod exe  Sometimes C  data db folder already exists due to previous installation  So if for this reason mongod exe does not work  you may delete all the contents from C  data db folder and execute mongod exeagain

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To run Mongo DB demon with mongod command  you should have a database directory  probably you need to run   mkdir C  data db   Also  MongoDB need to have a write permissions for that directory or it should be run with superuser permissions  like sudo mongod

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To change default db folder C  data db in windows  the command is   --dbpath   For example    mongod --dbpath C  myfolder

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I you are using Virtualbox check your VM   docker-machine ssh  df -h   Look at dev sda1 if you do not have any free space this may be due to a large number of images  or containers   you can remove them using  docker rm  and  docker rmi

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if you already have the directory  check the dir permissions or try to restart mongo with sudo  sudo brew services start mongodb

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In MacOS -   If you forgot to give the path of the previously created database while running the mongo server  the above error will appear   sudo   mongod --dbpath       mongo-data   Reference   Note  -   mongod  amp  amp         mongo-data is relative path  So you can avoid it by configuration in environment variable  Reference

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Aravind   It happened with me too because I stopped the MongoDB by the Task Manager    Creating the C  data db folder and starting the MongoDB at C  Program Files MongoDB Server 3 4 bin mongod exe worked for me  as cespon suggested  but the MongoDB didn t show any of my Databases previously created   Then  removing the C  data db folder and repairing the installation with the MongoDB installer  I recovered my data and started normally the MongoDB    I m very new with MongoDB  but it helped me solve this problem and recover may previews data

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first you have to create data directory where MongoDB stores data  MongoDB   s default data directory path is the absolute path  data db on the drive from which you start MongoDB   if you have install in C   drive then you have to create data db directory  for doing this run command in cmd  C   gt mkdir data db   To start MongoDB  run mongod exe    C  Program Files MongoDB Server 4 2 bin mongod exe  --dbpath  c  data db    The --dbpath option points to your database directory    Connect to MongoDB    C  Program Files MongoDB Server 4 2 bin mongo exe    to check all work good     show dbs

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For macOS users take care of below issue  if you installing MongoDB Community on macOS using  tgz Tarball   Starting with macOS 10 15 Catalina  Apple restricts access to the MongoDB default data directory of  data db  On macOS 10 15 Catalina  you must use a different data directory  such as  usr local var mongodb    you can solve it as the following   MacOS Catalina onwards  Apple created a new Volume in Catalina for security purposes  If you   re on Catalina  you need to create the  data db folder in System Volumes Data  Use this command  sudo mkdir -p  System Volumes Data data db  Then  use this command to give permissions  sudo chown -R  id -un   System Volumes Data data db  this will replace normal sudo mkdir -p  data db  Make sure that the  data db directory has the right permissions by running  sudo chown -R  id -un   data db  once you finish and start mongoDB you can use the following in terminal  sudo mongod --dbpath  System Volumes Data data db

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1 If it shows error  shutting down     with code 100  that means it is not finding the desired     location of file   1 a If its before macOS Catalina then create directory with         sudo mkdir -p  data db and give permissions to use it        sudo chown -R id -un  data db   1 b if it macOS Catalina onwards then make         sudo mkdir -p  System Volumes data db and give it         permissions         sudo chown -R id -un  System Volumes data db   2 Starting mongo db brew services run mongodb-community  3 Type mongod or mongod --dbpath  System Volumes Data data db  4 And if the mongod show error  shutting down with code 48  that   means the port is being already use so you can do two things  4 a Either you change the port of mongod by specifying port       number       mongod --dbpath  System Volumes Data data db    port 27018   4 b Or You can kill the process at that port by finding        the process by        sudo lsof -i  27017        and then kill by command       kill -9   5 Repeat the step 2 and 3

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This exit code will also be given if you are changing MongoDB versions and the data directory is incompatible  such as with a downgrade   Move the old directory elsewhere  and create a new directory  as per the instructions given in other answers

[mongodb] MongoDb shuts down with Code 100

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