NullPointerException while concurrent read and write - org.mapdb.DBException$GetVoid

jankotek / mapdb

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

https://mapdb.org

Apache License 2.0

4.87k stars 872 forks source link

NullPointerException while concurrent read and write - org.mapdb.DBException$GetVoid #966

Open kowsikbabu opened 4 years ago

kowsikbabu commented 4 years ago

I get NPE periodically, but it always happens while trying to read when a large number of entries are being written .

Attached the stacktrace below.

Details: MapDB version: 3.0.7 MapDB type: transaction enabled fileDB Is it Reproducing: Always

kowsikbabu commented 3 years ago

@jankotek any update on this issue?

TIA!

harpocrates commented 3 years ago

We're experiencing exactly the same issue (transactions enabled, fileDB, lots of concurrent writes with reads sprinkled in) on MapDB 3.0.8.

AleksejDomash commented 2 years ago

we have the same issue with MapDB 3.0.8.