Server crashed ?
Network / firewall ?

failed on teardown with "firebird.driver.types.DatabaseError: Unable to complete network request to host "localhost".
-Failed to establish a connection."

LOG DETAILS:

2025-12-06 16:27:44.088
2025-12-06 16:27:44.088 act = <firebird.qa.plugin.Action object at [hex]>
2025-12-06 16:27:44.088 capsys = <_pytest.capture.CaptureFixture object at [hex]>
2025-12-06 16:27:44.088
2025-12-06 16:27:44.088     @pytest.mark.version('>=3.0')
2025-12-06 16:27:44.088     def test_1(act: Action, capsys):
2025-12-06 16:27:44.088
2025-12-06 16:27:44.088         with act.db.connect() as con1, act.db.connect() as con2:
2025-12-06 16:27:44.088             con1.execute_immediate(f'create table t1 (id integer, str1 varchar(50), str2 varchar({FLD_LEN}))')
2025-12-06 16:27:44.088             con1.commit()
2025-12-06 16:27:44.088             con1.execute_immediate(f"insert into t1(id, str1, str2) values( 0, NULL, '{TXT_DATA}')")
2025-12-06 16:27:44.088             con1.commit()
2025-12-06

[...SKIPPED...]

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2025-12-06 16:27:44.131
2025-12-06 16:27:44.131 self = <firebird.driver.interfaces.iStatement_v3 object at [hex]>
2025-12-06 16:27:44.131
2025-12-06 16:27:44.131     def _check(self) -> None:
2025-12-06 16:27:44.132         state = self.status.get_state()
2025-12-06 16:27:44.132         if StateFlag.ERRORS in state:
2025-12-06 16:27:44.132 >           raise self.__report(DatabaseError, self.status.get_errors())
2025-12-06 16:27:44.132 E           firebird.driver.types.DatabaseError: Error writing data to the connection.
2025-12-06 16:27:44.132
2025-12-06 16:27:44.132 C:\Python3x\Lib\site-packages\firebird\driver\interfaces.py:141: DatabaseError
2025-12-06 16:27:44.132 ---------------------------- Captured stdout setup ----------------------------
2025-12-06 16:27:44.132 Creating db: localhost:H:\QA\temp\qa2024.tmp\fbqa\test_11340\test.fdb [page_size=8192, sql_dialect=None, charset='NONE', user=SYSDBA, password=masterkey]