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java.lang.RuntimeException: Generic TypeVariable not supported!

See original GitHub issue

Using: mongo-java-driver-3.2.2.jar and morphia-1.1.1.jar

The code:

for (UserList userList: userLists){
   DBObject userListDbObj = SingletonLaunchDB.getMorphia().toDBObject(userList);
   SingletonLaunchDB.getMongo().save(userListDbObj);
}

Error trace:

Grave:   java.lang.RuntimeException: Generic TypeVariable not supported!
    at org.mongodb.morphia.mapping.MappedField.toClass(MappedField.java:616)
    at org.mongodb.morphia.mapping.EphemeralMappedField.getSubClass(EphemeralMappedField.java:84)
    at org.mongodb.morphia.mapping.EphemeralMappedField.<init>(EphemeralMappedField.java:39)
    at org.mongodb.morphia.mapping.MappedField.discoverType(MappedField.java:498)
    at org.mongodb.morphia.mapping.MappedField.discover(MappedField.java:465)
    at org.mongodb.morphia.mapping.MappedField.<init>(MappedField.java:93)
    at org.mongodb.morphia.mapping.MappedClass.discover(MappedClass.java:540)
    at org.mongodb.morphia.mapping.MappedClass.<init>(MappedClass.java:124)
    at org.mongodb.morphia.mapping.Mapper.getMappedClass(Mapper.java:431)
    at org.mongodb.morphia.DatastoreImpl.getWriteConcern(DatastoreImpl.java:1632)
    at org.mongodb.morphia.DatastoreImpl.save(DatastoreImpl.java:686)

Issue Analytics

State:
Created 7 years ago
Comments:5 (2 by maintainers)

Top GitHub Comments

1reaction

evanchoolycommented, Mar 3, 2019

I know this bug is old and the response is probably too late. But this works on master though there are warnings about the T type on the meta field above. Using 1.3.2/1.4.0 should resolve any issues. If not, please file a new issue and I’ll take a look.

0reactions

peter7328matyascommented, Aug 24, 2017

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