NullPointerException in VersionSet

Question

NullPointerException in VersionSet

liukun4515 opened this issue 5 years ago · comments

java.lang.NullPointerException: null
	at org.iq80.leveldb.impl.VersionSet.numberOfFilesInLevel(VersionSet.java:233) ~[leveldb-0.11.jar:0.11]
	at org.iq80.leveldb.impl.DbImpl.makeRoomForWrite(DbImpl.java:824) ~[leveldb-0.11.jar:0.11]
	at org.iq80.leveldb.impl.DbImpl.writeInternal(DbImpl.java:688) ~[leveldb-0.11.jar:0.11]
	at org.iq80.leveldb.impl.DbImpl.write(DbImpl.java:670) ~[leveldb-0.11.jar:0.11]

Some error may occur when write the leveldb with the multi-thread.

Honore Vasconcelos · Answer 1 · Sun Mar 03 2019 21:54:45 GMT+0800 (China Standard Time)

Are you not closing the DB concurrently?

Kun Liu · Answer 2 · Mon Mar 04 2019 10:49:34 GMT+0800 (China Standard Time)

Are you not closing the DB concurrently?

Thank you for your reply.
yes, I close the db concurrently.