我有一个基于Grails框架的Web应用程序。 早些时候我使用的是oracle，但现在我改用了Postgres;在我搬到postgres之后，我面临着这个记忆问题
以下是stracktrace： -
Exception in thread "http-bio-8078-AsyncTimeout"
Error |
java.lang.OutOfMemoryError: Java heap space
Error |
2017-08-09 10:44:23,424 [http-bio-8078-exec-8] ERROR spi.SqlExceptionHelper - Ran out of memory retrieving query results.
Error |
2017-08-09 10:44:23,452 [http-bio-8078-exec-8] ERROR spi.SqlExceptionHelper - Ran out of memory retrieving query results.
Error |
2017-08-09 10:44:23,452 [http-bio-8078-exec-8] ERROR spi.SqlExceptionHelper - Ran out of memory retrieving query results.
Error |
2017-08-09 10:44:23,452 [http-bio-8078-exec-8] ERROR spi.SqlExceptionHelper - Ran out of memory retrieving query results.
有人可以帮帮我吗？