java.lang.NullPointerException: Attempt to invoke interface method 'void org.postgresql.core.ProtocolConnection.close()' on a null object reference

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

Do you know how to solve this issue? Write a tip to help other users and build your expert profile.

Solutions on the web

via Stack Overflow by Nikhil Arya
, 1 year ago
Attempt to invoke interface method 'void org.postgresql.core.ProtocolConnection.close()' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'void org.postgresql.core.ProtocolConnection.close()' on a null object reference
at org.postgresql.jdbc.PgConnection.close(PgConnection.java:690)
at org.postgresql.jdbc.PgConnection.finalize(PgConnection.java:924)
at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:191)
at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:174)
at java.lang.Thread.run(Thread.java:818)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.