When I started the service, I encountered the following exception. May I ask which line of code printed this exception? I didn't find it.The exception information is as follows：
Call: ALTER TABLE SEGMENTPREDICATE ADD CONSTRAINT FK_SEGMENTPREDICATE_data_connector_id FOREIGN KEY (data_connector_id) REFERENCES DATACONNECTOR (ID) Query: DataModifyQuery(sql="ALTER TABLE SEGMENTPREDICATE ADD CONSTRAINT FK_SEGMENTPREDICATE_data_connector_id FOREIGN KEY (data_connector_id) REFERENCES DATACONNECTOR (ID)") [EL Warning]: 2019-02-25 15:40:19.465--ServerSession(1872774414)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Can't write; duplicate key in table '#sql-12c8_1bf930' Error Code: 1022 Call: ALTER TABLE DATACONNECTOR ADD CONSTRAINT FK_DATACONNECTOR_data_source_id FOREIGN KEY (data_source_id) REFERENCES DATASOURCE (ID) Query: DataModifyQuery(sql="ALTER TABLE DATACONNECTOR ADD CONSTRAINT FK_DATACONNECTOR_data_source_id FOREIGN KEY (data_source_id) REFERENCES DATASOURCE (ID)") [EL Warning]: 2019-02-25 15:40:19.499--ServerSession(1872774414)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Can't write; duplicate key in table '#sql-12c8_1bf930' Error Code: 1022 Call: ALTER TABLE DATASOURCE ADD CONSTRAINT FK_DATASOURCE_measure_id FOREIGN KEY (measure_id) REFERENCES MEASURE (ID) Query: DataModifyQuery(sql="ALTER TABLE DATASOURCE ADD CONSTRAINT FK_DATASOURCE_measure_id FOREIGN KEY (measure_id) REFERENCES MEASURE (ID)") [EL Warning]: 2019-02-25 15:40:19.532--ServerSession(1872774414)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Can't write; duplicate key in table '#sql-12c8_1bf930' Error Code: 1022 Call: ALTER TABLE EXTERNALMEASURE ADD CONSTRAINT FK_EXTERNALMEASURE_VIRTUALJOB_ID FOREIGN KEY (VIRTUALJOB_ID) REFERENCES job (ID) Query: DataModifyQuery(sql="ALTER TABLE EXTERNALMEASURE ADD CONSTRAINT FK_EXTERNALMEASURE_VIRTUALJOB_ID FOREIGN KEY (VIRTUALJOB_ID) REFERENCES job (ID)") [EL Warning]: 2019-02-25 15:40:19.561--ServerSession(1872774414)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Can't write; duplicate key in table '#sql-12c8_1bf930' Error Code: 1022 Call: ALTER TABLE GRIFFINMEASURE ADD CONSTRAINT FK_GRIFFINMEASURE_ID FOREIGN KEY (ID) REFERENCES MEASURE (ID) Query: DataModifyQuery(sql="ALTER TABLE GRIFFINMEASURE ADD CONSTRAINT FK_GRIFFINMEASURE_ID FOREIGN KEY (ID) REFERENCES MEASURE (ID)") [EL Warning]: 2019-02-25 15:40:19.594--ServerSession(1872774414)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Can't write; duplicate key in table '#sql-12c8_1bf930' Error Code: 1022
