Getting java.lang.OutOfMemoryError: Java heap space Error after upgrading to 15.0.2 version

Getting advice
1

Getting below error after upgrading the version to 15.0.2
org.h2.jdbc.JdbcSQLException: Out of memory.; SQL statement:
COMMIT [90108-197]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:357)
at org.h2.message.DbException.get(DbException.java:168)
at org.h2.message.DbException.convert(DbException.java:301)
at org.h2.command.Command.executeUpdate(Command.java:272)
at org.h2.jdbc.JdbcConnection.commit(JdbcConnection.java:497)
at org.jboss.jca.adapters.jdbc.local.LocalManagedConnection.commit(LocalManagedConnection.java:96)
… 28 more