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Starting mongod fork, ERROR: child process failed, exited with error number 1

In attempting to run the command

mongod --fork --logpath /var/log/mongodb.log

On a amazon ec2 32 bit instance (Amazon Linux AMI release 2014.09), I run into the following error:

2015-02-18T18:14:09.007+0000 
2015-02-18T18:14:09.007+0000 warning: 32-bit servers don't have journaling    
enabled by default. Please use --journal if you want durability.
2015-02-18T18:14:09.007+0000 
about to fork child process, waiting until server is ready for connections.
forked process: 17116
ERROR: child process failed, exited with error number 1

I also notice no log file is created in the process.

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Ryder Bergerud Avatar asked Feb 18 '15 18:02

Ryder Bergerud


3 Answers

I had the same thing and it turned out to be a permissions issue. If the owner of the child process cannot access the log path or the log path does not exist, it will fail.

What I did was put the log directory in my home directory:

mkdir ~/log
mongod --fork --logpath ~/log/mongodb.log

If you really want to put it in your /var/log directory, just change the permissions.

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onetwopunch Avatar answered Oct 15 '22 00:10

onetwopunch


I also had the same error, however I used sudo it and ran sudo mongod --fork --logpath /var/log/mongodb.log. As @jryancanty mentioned, it's simply a permissions error.

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Nathan L. Avatar answered Oct 15 '22 00:10

Nathan L.


For anyone else running into this error [even if you run it with sudo] make sure that you state the filename of the log file as in: /var/log/mongodb.log. I had just the directory path as in /var/log/ since I miss read the mongo docs.

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parsethis Avatar answered Oct 14 '22 23:10

parsethis