MongoDB Error in inserting documents, how do I resolve it?

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I have been trying to import a JSON file into mongoDB via command prompt, but I get an output that says error inserting documents.

C:UserscheryDocumentsNUS Y2 Sem 1 ModulesBT2102Tutorials>mongoimport --db school --collection students students.json

2018-11-07T15:37:30.974+0800    connected to: localhost

2018-11-07T15:37:31.210+0800    num failures: 50

2018-11-07T15:37:31.211+0800    error inserting documents: multiple errors in bulk operation:

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 2 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 3 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 4 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 5 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 1 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 0 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 6 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 7 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 10 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 8 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 12 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 13 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 11 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 14 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 15 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 16 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 17 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 18 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 9 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 19 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 20 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 23 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 24 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 22 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 26 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 25 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 27 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 29 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 28 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 21 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 30 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 31 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 33 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 35 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 34 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 36 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 37 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 38 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 32 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 40 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 39 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 41 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 43 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 44 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 46 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 47 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 42 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 45 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 48 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 49 }



2018-11-07T15:37:31.211+0800    imported 0 documents

May I know what is the issue here and how do I rectify the error?

I would really appreciate any help out there!

asked Nov 7 at 7:44

Cheryl

You are trying to insert documents with an _id that already exists. Depending on your application you may want to update that existing document instead, or maybe set a different _id. It is also possible that you are setting _id to something you did not really intend to -- it looks weird in the error message. Double-check how the document looks.
– Thilo
Nov 7 at 7:46

As a general rule of thumb, and adding on top of what @Thilo already mentions in the comment above, you should avoid using custom values in the "_id" field and let MongoDB generate ObjectIds for you. In other words, do not set _id to anything in your documents if at all possible, that will improve performance and guarantee uniqueness (for that particular key).
– Gorka Hernandez
Nov 7 at 8:38

1

You can try and import into a different collection and work with that collection if this is just a tutorial or drop the existing collection first and then import again if the existing data is not needed
– Ryan Dobbs
Nov 7 at 13:53

add a comment |

up vote
0
down vote

favorite

I have been trying to import a JSON file into mongoDB via command prompt, but I get an output that says error inserting documents.

C:UserscheryDocumentsNUS Y2 Sem 1 ModulesBT2102Tutorials>mongoimport --db school --collection students students.json

2018-11-07T15:37:30.974+0800    connected to: localhost

2018-11-07T15:37:31.210+0800    num failures: 50

2018-11-07T15:37:31.211+0800    error inserting documents: multiple errors in bulk operation:

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 2 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 3 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 4 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 5 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 1 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 0 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 6 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 7 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 10 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 8 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 12 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 13 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 11 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 14 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 15 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 16 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 17 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 18 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 9 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 19 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 20 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 23 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 24 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 22 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 26 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 25 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 27 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 29 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 28 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 21 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 30 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 31 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 33 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 35 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 34 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 36 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 37 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 38 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 32 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 40 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 39 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 41 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 43 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 44 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 46 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 47 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 42 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 45 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 48 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 49 }



2018-11-07T15:37:31.211+0800    imported 0 documents

May I know what is the issue here and how do I rectify the error?

I would really appreciate any help out there!

asked Nov 7 at 7:44

Cheryl

You are trying to insert documents with an _id that already exists. Depending on your application you may want to update that existing document instead, or maybe set a different _id. It is also possible that you are setting _id to something you did not really intend to -- it looks weird in the error message. Double-check how the document looks.
– Thilo
Nov 7 at 7:46

As a general rule of thumb, and adding on top of what @Thilo already mentions in the comment above, you should avoid using custom values in the "_id" field and let MongoDB generate ObjectIds for you. In other words, do not set _id to anything in your documents if at all possible, that will improve performance and guarantee uniqueness (for that particular key).
– Gorka Hernandez
Nov 7 at 8:38

1

You can try and import into a different collection and work with that collection if this is just a tutorial or drop the existing collection first and then import again if the existing data is not needed
– Ryan Dobbs
Nov 7 at 13:53

add a comment |

up vote
0
down vote

favorite

I have been trying to import a JSON file into mongoDB via command prompt, but I get an output that says error inserting documents.

C:UserscheryDocumentsNUS Y2 Sem 1 ModulesBT2102Tutorials>mongoimport --db school --collection students students.json

2018-11-07T15:37:30.974+0800    connected to: localhost

2018-11-07T15:37:31.210+0800    num failures: 50

2018-11-07T15:37:31.211+0800    error inserting documents: multiple errors in bulk operation:

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 2 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 3 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 4 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 5 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 1 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 0 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 6 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 7 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 10 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 8 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 12 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 13 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 11 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 14 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 15 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 16 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 17 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 18 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 9 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 19 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 20 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 23 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 24 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 22 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 26 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 25 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 27 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 29 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 28 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 21 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 30 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 31 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 33 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 35 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 34 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 36 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 37 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 38 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 32 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 40 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 39 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 41 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 43 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 44 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 46 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 47 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 42 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 45 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 48 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 49 }



2018-11-07T15:37:31.211+0800    imported 0 documents

May I know what is the issue here and how do I rectify the error?

I would really appreciate any help out there!

asked Nov 7 at 7:44

Cheryl

I have been trying to import a JSON file into mongoDB via command prompt, but I get an output that says error inserting documents.

C:UserscheryDocumentsNUS Y2 Sem 1 ModulesBT2102Tutorials>mongoimport --db school --collection students students.json

2018-11-07T15:37:30.974+0800    connected to: localhost

2018-11-07T15:37:31.210+0800    num failures: 50

2018-11-07T15:37:31.211+0800    error inserting documents: multiple errors in bulk operation:

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 2 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 3 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 4 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 5 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 1 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 0 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 6 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 7 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 10 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 8 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 12 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 13 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 11 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 14 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 15 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 16 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 17 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 18 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 9 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 19 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 20 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 23 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 24 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 22 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 26 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 25 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 27 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 29 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 28 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 21 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 30 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 31 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 33 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 35 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 34 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 36 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 37 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 38 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 32 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 40 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 39 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 41 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 43 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 44 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 46 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 47 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 42 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 45 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 48 }

  - E11000 duplicate key error collection: school.students index: _id_ dup key: { : 49 }



2018-11-07T15:37:31.211+0800    imported 0 documents

May I know what is the issue here and how do I rectify the error?

I would really appreciate any help out there!

mongodb

asked Nov 7 at 7:44

Cheryl

asked Nov 7 at 7:44

Cheryl

asked Nov 7 at 7:44

Cheryl

asked Nov 7 at 7:44

Cheryl

asked Nov 7 at 7:44

Cheryl

You are trying to insert documents with an _id that already exists. Depending on your application you may want to update that existing document instead, or maybe set a different _id. It is also possible that you are setting _id to something you did not really intend to -- it looks weird in the error message. Double-check how the document looks.
– Thilo
Nov 7 at 7:46

As a general rule of thumb, and adding on top of what @Thilo already mentions in the comment above, you should avoid using custom values in the "_id" field and let MongoDB generate ObjectIds for you. In other words, do not set _id to anything in your documents if at all possible, that will improve performance and guarantee uniqueness (for that particular key).
– Gorka Hernandez
Nov 7 at 8:38

1

You can try and import into a different collection and work with that collection if this is just a tutorial or drop the existing collection first and then import again if the existing data is not needed
– Ryan Dobbs
Nov 7 at 13:53

add a comment |

You are trying to insert documents with an _id that already exists. Depending on your application you may want to update that existing document instead, or maybe set a different _id. It is also possible that you are setting _id to something you did not really intend to -- it looks weird in the error message. Double-check how the document looks.
– Thilo
Nov 7 at 7:46

As a general rule of thumb, and adding on top of what @Thilo already mentions in the comment above, you should avoid using custom values in the "_id" field and let MongoDB generate ObjectIds for you. In other words, do not set _id to anything in your documents if at all possible, that will improve performance and guarantee uniqueness (for that particular key).
– Gorka Hernandez
Nov 7 at 8:38

1

You can try and import into a different collection and work with that collection if this is just a tutorial or drop the existing collection first and then import again if the existing data is not needed
– Ryan Dobbs
Nov 7 at 13:53

You are trying to insert documents with an _id that already exists. Depending on your application you may want to update that existing document instead, or maybe set a different _id. It is also possible that you are setting _id to something you did not really intend to -- it looks weird in the error message. Double-check how the document looks.
– Thilo
Nov 7 at 7:46

As a general rule of thumb, and adding on top of what @Thilo already mentions in the comment above, you should avoid using custom values in the "_id" field and let MongoDB generate ObjectIds for you. In other words, do not set _id to anything in your documents if at all possible, that will improve performance and guarantee uniqueness (for that particular key).
– Gorka Hernandez
Nov 7 at 8:38

You can try and import into a different collection and work with that collection if this is just a tutorial or drop the existing collection first and then import again if the existing data is not needed
– Ryan Dobbs
Nov 7 at 13:53

add a comment |

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