MorphiaOrg/morphia

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MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver

Stars: 1.7k
Forks: 449
Open beginner issues: 0
Indexed issues: 60
Avg merge: 7m
Merged PRs (30d): 10

Dominant language: Java
License: Apache-2.0
Last GitHub push: Aug 22, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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60 open issues indexed

java.util.regex.Pattern flags (for example CASE_INSENSITIVE) are ignored when RegexFilter is created Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

MorphiaOrg/morphia#4304 · 1 comment · Opened Aug 5, 2026
Replace ASM + Gizmo with the Java Class File API (backport) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 28/100

MorphiaOrg/morphia#4273 · Opened May 31, 2026
Migrate documentation from Antora to Hugo Open

docs migration Task

MorphiaOrg/morphia#4246 · 1 assignee · Opened May 6, 2026
Calling find for reference object when save even ignoreMissing is set to true. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

MorphiaOrg/morphia#4236 · Opened Apr 20, 2026
ClassNotFoundException during package mapping in application server Open

bug forward-port

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MorphiaOrg/morphia#4066 · Opened Nov 22, 2025
error using autoCap and spring-boot-devtools Open

bug Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#3786 · 1 comment · Opened Sep 25, 2025
`MergingDocument` should override the equals method Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

MorphiaOrg/morphia#3735 · Opened Sep 2, 2025
Update operator audit Open

aggregation query Task

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#3653 · Opened Sep 1, 2025
Dynamic collection NamingStrategy Open

enhancement forward-port

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#3566 · Opened Aug 28, 2025
How to create a compound index with annotations on a polymorphic property Open

bug forward-port

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#3562 · Opened Aug 28, 2025
Possible memory leak when starting session with lazy @Reference entity Open

bug forward-port

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#3556 · Opened Aug 28, 2025
datastore.find(Class, FindOptions) does not apply FindOptions (limit/skip/sort not respected) Open

bug Waiting for Response

Difficulty 3/5 1-2 days Newbie friendliness 38/100

MorphiaOrg/morphia#3514 · 3 comments · Opened Jul 4, 2025
Datastore#replace(T entity) should not throw exception when no documents are updated Open

enhancement Waiting for Response

Difficulty 5/5 Over a week Newbie friendliness 35/100

MorphiaOrg/morphia#3498 · 1 comment · Opened Jun 23, 2025
EventListener support is broken for non-entity listeners Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 25/100

MorphiaOrg/morphia#3465 · Opened May 31, 2025
Implement query operator $geometry Open

enhancement query

Difficulty 3/5 1-2 days Newbie friendliness 45/100

MorphiaOrg/morphia#3437 · Opened Apr 30, 2025
Implement query operator $jsonSchema Open

enhancement query

Difficulty 3/5 1-2 days Newbie friendliness 42/100

MorphiaOrg/morphia#3436 · Opened Apr 30, 2025
Implement query operator $size Open

enhancement query

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MorphiaOrg/morphia#3435 · Opened Apr 30, 2025
Unable to read polymorphic types with Morphia with or without the default discriminator Open

question Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#3411 · 4 comments · Opened Apr 1, 2025
Retry remainder of a bulk insert after a failure due to unique indexes Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#3360 · 2 comments · Opened Dec 20, 2024
Occasional MongoCommandException Open

bug Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#3306 · 2 comments · Opened Oct 29, 2024
Mirror the FindIterable and AggregateIterable APIs in the driver Open

aggregation Breaking enhancement query rewritable

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#3284 · Opened Oct 23, 2024
StackOverflowError when saving entity with recursive type Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

MorphiaOrg/morphia#3234 · Opened Sep 10, 2024
getEntityModel on @ExernalEntity anntotated class fails when called more than once Open

bug Waiting for Response

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MorphiaOrg/morphia#3227 · 2 comments · Opened Sep 5, 2024
How to add a default codec for internal objects of an entity Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#3181 · 1 comment · Opened Aug 8, 2024
Update DiscriminatorFunction API to return the value rather than set it directly Open

Breaking enhancement rewritable

Difficulty 3/5 1-2 days Newbie friendliness 45/100

MorphiaOrg/morphia#3140 · Opened Jul 11, 2024
Implement query operator $not Open

enhancement query

Difficulty 4/5 3-5 days Newbie friendliness 30/100

MorphiaOrg/morphia#3118 · Opened Jul 1, 2024
Implement aggregation operator $querySettings Open

aggregation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#3089 · Opened Jun 18, 2024
Prefer to load custom property codec providers before default codec providers. Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 25/100

MorphiaOrg/morphia#3046 · Opened May 23, 2024
Add a validator to prevent mapping one property's name to match the field of another Open

bug enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#2997 · Opened Apr 22, 2024
Using @Reference annotation on map value error Open

backport bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

MorphiaOrg/morphia#2996 · Opened Apr 22, 2024
How do I register a custom codec Open

question

Difficulty 4/5 3-5 days Newbie friendliness 20/100

MorphiaOrg/morphia#2990 · 1 comment · Opened Apr 15, 2024
Add jakarta-data support Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#2982 · Opened Apr 9, 2024
Write openrewrite recipes to migrate to the new API Open

aggregation enhancement rewritable

Difficulty 5/5 Over a week Newbie friendliness 15/100

MorphiaOrg/morphia#2928 · Opened Mar 13, 2024
Aggregregation API clean up Open

aggregation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#2925 · Opened Mar 13, 2024
Implement aggregation operator $toHashedIndexKey Open

aggregation enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MorphiaOrg/morphia#2890 · Opened Mar 5, 2024
Apply @AlsoLoad during query construction Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 30/100

MorphiaOrg/morphia#2867 · Opened Feb 20, 2024
Mapping Abstract Classes? Open

question Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 25/100

MorphiaOrg/morphia#2492 · 7 comments · Opened Aug 25, 2023
Extend versioning to support auditing Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#2436 · Opened Jun 22, 2023
Field level encryption Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 20/100

MorphiaOrg/morphia#2435 · Opened Jun 22, 2023
Time series collections Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#2434 · Opened Jun 22, 2023
Kotlin DSLs for query and aggregations Open

aggregation enhancement kotlin proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#2433 · 3 comments · 1 reaction · Opened Jun 22, 2023
Docs: documentation website doesn't work well on mobile Open

docs

Difficulty 3/5 1-2 days Newbie friendliness 35/100

MorphiaOrg/morphia#2326 · 2 comments · Opened Apr 3, 2023
Introduce @CodecProvider for discovery of user supplied CodecProviders Open

enhancement proposed

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#2232 · 2 comments · Opened Jan 23, 2023
@PrePersist of parent class called on embedded values that do no inherit any @PrePersist methods Open

bug Waiting for Response

Difficulty 3/5 1-2 days Newbie friendliness 45/100

MorphiaOrg/morphia#2202 · 5 comments · Opened Jan 11, 2023
@PrePersist method not invoked sometimes Open

bug Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 30/100

MorphiaOrg/morphia#2136 · 8 comments · Opened Nov 9, 2022
Add support for watch() on a collection Open

aggregation enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#2015 · 2 comments · Opened Sep 5, 2022
Add support for db.aggregate() Open

aggregation enhancement proposed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#2014 · 1 comment · Opened Aug 30, 2022
Use BsonDocuments in the iterator Open

enhancement experimental

Difficulty 5/5 Over a week Newbie friendliness 25/100

MorphiaOrg/morphia#1948 · Opened Jul 9, 2022
Nested entity objects, when the inner field is empty, the createUpdateOperations method will automatically filter Open

Waiting for Response

Difficulty 4/5 3-5 days Newbie friendliness 20/100

MorphiaOrg/morphia#1862 · 4 comments · Opened Mar 29, 2022
Regression when querying objects with cyclic references Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

MorphiaOrg/morphia#1658 · 4 comments · Opened Nov 12, 2021

MorphiaOrg/morphia

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