Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Database ERROR: Violation of foreign key constraint

See original GitHub issue

Current Behavior:

Dependency-Track v3.5.0 has logged the following this morning, ERROR events that I have not seen previously:

2019-07-16 10:59:05,012 [] ERROR [DataNucleus.Transaction] Operation commit failed on resource: org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@104e40b7, error code UNKNOWN and transaction [DataNucleus Transaction, ID=1755161285-29056011, enlisted resources=[org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@104e40b7]] : ERROR: update or delete on table "COMPONENT" violates foreign key constraint "COMPONENTMETRICS_FK1" on table "COMPONENTMETRICS"
  Detail: Key (ID)=(104) is still referenced from table "COMPONENTMETRICS".
2019-07-16 10:59:11,216 [] INFO [org.dependencytrack.tasks.MetricsUpdateTask] Executing metrics update on project: c05aa9f3-f1e0-442c-ac66-36e80261e153
2019-07-16 10:59:24,961 [] ERROR [DataNucleus.Transaction] Operation commit failed on resource: org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@58a8ed4a, error code UNKNOWN and transaction [DataNucleus Transaction, ID=1755161285-29057706, enlisted resources=[org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@58a8ed4a]] : ERROR: update or delete on table "COMPONENT" violates foreign key constraint "COMPONENTMETRICS_FK1" on table "COMPONENTMETRICS"
  Detail: Key (ID)=(565) is still referenced from table "COMPONENTMETRICS".
2019-07-16 11:00:08,309 [] INFO [org.dependencytrack.tasks.MetricsUpdateTask] Executing metrics update on project: 49255ded-3440-4ef1-80db-8a8ca2463856
2019-07-16 11:01:02,932 [] INFO [org.dependencytrack.tasks.MetricsUpdateTask] Executing metrics update on project: a31082b1-9c51-4fef-8a87-6ea37550212e
2019-07-16 11:01:22,065 [] ERROR [DataNucleus.Transaction] Operation commit failed on resource: org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@13f04890, error code UNKNOWN and transaction [DataNucleus Transaction, ID=1755161285-29067551, enlisted resources=[org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@13f04890]] : ERROR: update or delete on table "COMPONENT" violates foreign key constraint "COMPONENTMETRICS_FK1" on table "COMPONENTMETRICS"
  Detail: Key (ID)=(959) is still referenced from table "COMPONENTMETRICS".
2019-07-16 11:02:08,130 [] INFO [org.dependencytrack.tasks.MetricsUpdateTask] Executing metrics update on project: ff378c0c-80fa-4847-8a15-264568fd4acf
2019-07-16 11:02:47,519 [] ERROR [DataNucleus.Transaction] Operation commit failed on resource: org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@62e2f0ee, error code UNKNOWN and transaction [DataNucleus Transaction, ID=1755161285-29074622, enlisted resources=[org.datanucleus.store.rdbms.ConnectionFactoryImpl$EmulatedXAResource@62e2f0ee]] : ERROR: update or delete on table "COMPONENT" violates foreign key constraint "COMPONENTMETRICS_FK1" on table "COMPONENTMETRICS"
  Detail: Key (ID)=(623) is still referenced from table "COMPONENTMETRICS".

The cluster of 4 ERROR events was followed by a 5th a minute or so later. The events occurred in the middle of a bunch of standard “Executing metrics update on project” events.

Steps to Reproduce:

I am not quite sure. I do know that I had earlier used the UI to delete 30-40 components that were reported as being no longer in use. (all were SNAPSHOT versions).

An hour later, I did perform a click to perform a manual metrics update on one of the projects in the above log snippet… there was no error.