[PostgreSQL] org.postgresql.util.PSQLException: ERROR: operator does not exist: text = bytea

Problem
When I try to execute the following select SQL statement:

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select case when (domain_projects <> :domain_projects) then true else false end as result from project where domain_classifier = true and id = :projectId and domain_projects is not null

I get this error message:

  org.postgresql.util.PSQLException: ERROR: operator does not exist: text = bytea
  Hint: No operator matches the given name and argument type(s). 
  You might need to add explicit type casts.

How-To
The problem result from the first line:

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select case when (domain_projects <> :domain_projects) then true else false end as result from project where domain_classifier = true and id = :projectId and domain_projects is not null

I need to cast the parameter to specific data type as per instructions. Therefore, the SQL statement should be modified as bellows:

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select case when (domain_projects <> cast(:domain_projects as text)) then true else false end as result from project where domain_classifier = true and id = :projectId and domain_projects is not null