error 53200 out of memory

[francis cherat <renaultf11@xxxxxxxxxxx>]

Hello,

we have got  an error 53200 after sql statement

[5-1] ERROR:  53200: out of memory

[6-1] DETAIL:  Failed on request of size 1572864.

[7-1] LOCATION:  AllocSetRealloc, aset.c:973

in jboss logs we have got those errors

org.jboss.logging.jboss-logging - 3.1.2.GA | ERROR: out of memory

  Détail : Failed on request of size 1572864.

executing failed

org.hibernate.exception.GenericJDBCException: could not extract ResultSet

cluster configuration
server_version                      | 9.3.16

effective_cache_size                | 12800MB

shared_buffers                      | 384MB

work_mem                            | 384MB

Server configuration

RHEL 6.5

RAM : 16Go

2 CPUs

Thanks for your feedback