Lifehacks

Why MongoDB shutting down with code 100?

Why MongoDB shutting down with code 100?

One main cause of exit code 100 is the incorrect file permissions. This occurred mainly due to permission issues with the data files. On checking, our Support Engineers found that the directory /var/lib/mongodb had root permissions. This resolved the exiting error of MongoDB.

What is Mongod command?

mongod is the primary daemon process for the MongoDB system. It handles data requests, manages data access, and performs background management operations. This document provides a complete overview of all command line options for mongod .

What is Mongod lock?

Mongodb always creates the mongodb. lock file when the server starts and drops it before mongodb is stopped. Removing mongodb. lock does not affect any data it just means that mongodb was not stopped correctly. So, you are correct in removing this file and running with the -repair option should fix database.

Which of the following code will be returned by MongoDB applications during a successful exit?

0
Exit Codes and Statuses

Code Cause
0 Returned by MongoDB applications upon successful exit.
2 The specified options are in error or are incompatible with other options.
3 Returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection, in master/slave mode.

How do I completely remove Mongodb from MAC?

To uninstall MongoDB on Mac OS X you should run the following commands to remove mongodb from the launch/startup and to uninstall it using Homebrew:

  1. launchctl list | grep mongo.
  2. launchctl remove homebrew.mxcl.mongodb.
  3. pkill -f mongod.
  4. brew uninstall mongodb.

How do I uninstall Mongodb?

Uninstall MongoDB

  1. Stop MongoDB. Stop the mongod process by issuing the following command: sudo service mongod stop.
  2. Remove Packages. ¶ Remove any MongoDB packages that you had previously installed. sudo yum erase $(rpm -qa | grep mongodb-enterprise)
  3. Remove Data Directories. ¶ Remove MongoDB databases and log files.

How do I stop mongod daemon?

Additionally, if you have installed MongoDB using a package manager for Ubuntu or Debian then you can stop mongodb (currently mongod in ubuntu) as follows:

  1. Upstart: sudo service mongod stop.
  2. Sysvinit: sudo /etc/init. d/mongod stop.

How do I know if MongoDB is running?

service mongod status: Displays the status of MongodB service as like the screenshot given below. systemctl status mongod: Displays the same status of MongoDB service as like above command as shown in figure 1. pgrep mongo: Prints the process ID of running mongo instance.

Can I delete WiredTiger lock?

If mongodb is not running yet the lock file still exists, then your mongod service did not shut down gracefully (crashed). In this case, you can safely delete the lock file and your data will remain.

Is it safe to delete mongod lock?

Start mongod with –repair . Generally, you should not manually remove the mongod. lock file. Instead, use the above procedure to recover the database. In dire situations, you can remove the file, start the database using the possibly corrupt files, and attempt to recover data from the database.

Why is MongoDB not connecting?

Ensure Your MongoDB Instance is Running Make sure you have installed MongoDB and have a running mongod process. You should also check that the port where your MongoDB instance is running matches the port you provide in the Compass connect dialog.

How do I completely remove MongoDB from MAC?

What is the exit code for MongoDB in Windows?

In Windows, they get the following error when trying to start the Mongo service, Unexpected mongo exit code 100. Restarting. Unexpected mongo exit code 100. Restarting. Unexpected mongo exit code 100. Restarting. Can’t start mongod

Where is exit code 100 is blurry in mongod?

Where exit code 100 is blurry defined as: Returned by mongod when the process throws an uncaught exception. First, I have installed my mongodb (3.4.7) on Ubuntu 16.04.2 LTS via the official guide. Starting and stopping the service worked fine. So I continued to enable authentication (again via the official guide ).

What does status = 14 mean in MongoDB?

According to the mongo-docs, status=14 is: “Returned by MongoDB applications which encounter an unrecoverable error, an uncaught exception or uncaught signal. The system exits without performing a clean shut down.” I doesnt really point me in any particular direction.

When does mongod return an uncaught exception?

Returned by mongod if the datafiles in –dbpath are incompatible with the version of mongod currently running. Returned by mongod when the process throws an uncaught exception. © MongoDB, Inc 2008-present. MongoDB, Mongo, and the leaf logo are registered trademarks of MongoDB, Inc.