Hi Kaya, Database constraint violations, as you know, occur because you're trying to put more than one identical value into a table column that cannot have such a column. For the table in question, if you have the same class name for two different connectors, this would be what you'd expect.
Karl On Sun, Feb 17, 2019 at 11:33 PM Kaya Ota <kaya.ota....@gmail.com> wrote: > Hello, folks: > > I am new to ManifoldCF, and trying to make my own connector. > For now, I could successfully build ManifoldCF including my own connector. > However, when I tried to run, I have exceptions. > > The exception I am facing is : > > org.apache.manifoldcf.core.interfaces.ManifoldCFException: integrity > constraint violation: unique constraint or index violation: I1549774667196 > at > > org.apache.manifoldcf.core.database.DBInterfaceHSQLDB.reinterpretException(DBInterfaceHSQLDB.java:734) > at > > org.apache.manifoldcf.core.database.DBInterfaceHSQLDB.performModification(DBInterfaceHSQLDB.java:754) > at > > org.apache.manifoldcf.core.database.DBInterfaceHSQLDB.performInsert(DBInterfaceHSQLDB.java:230) > at > > org.apache.manifoldcf.core.database.BaseTable.performInsert(BaseTable.java:68) > at > > org.apache.manifoldcf.crawler.connmgr.ConnectorManager.registerConnector(ConnectorManager.java:172) > at > > org.apache.manifoldcf.crawler.system.ManifoldCF.registerConnectors(ManifoldCF.java:672) > at > > org.apache.manifoldcf.crawler.system.ManifoldCF.reregisterAllConnectors(ManifoldCF.java:160) > at > > org.apache.manifoldcf.jettyrunner.ManifoldCFJettyRunner.main(ManifoldCFJettyRunner.java:239) > Caused by: java.sql.SQLIntegrityConstraintViolationException: integrity > constraint violation: unique constraint or index violation: I1549774667196 > at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source) > at org.hsqldb.jdbc.JDBCUtil.sqlException(Unknown Source) > at org.hsqldb.jdbc.JDBCPreparedStatement.fetchResult(Unknown > Source) > at org.hsqldb.jdbc.JDBCPreparedStatement.executeUpdate(Unknown > Source) > at > org.apache.manifoldcf.core.database.Database.execute(Database.java:916) > at > > org.apache.manifoldcf.core.database.Database$ExecuteQueryThread.run(Database.java:696) > Caused by: org.hsqldb.HsqlException: integrity constraint violation: unique > constraint or index violation: I1549774667196 > at org.hsqldb.error.Error.error(Unknown Source) > at org.hsqldb.error.Error.error(Unknown Source) > at org.hsqldb.index.IndexAVL.insert(Unknown Source) > at org.hsqldb.persist.RowStoreAVL.indexRow(Unknown Source) > at org.hsqldb.persist.RowStoreAVLDisk.indexRow(Unknown Source) > at org.hsqldb.TransactionManagerMVCC.addInsertAction(Unknown > Source) > at org.hsqldb.Session.addInsertAction(Unknown Source) > at org.hsqldb.Table.insertSingleRow(Unknown Source) > at org.hsqldb.StatementDML.insertSingleRow(Unknown Source) > at org.hsqldb.StatementInsert.getResult(Unknown Source) > at org.hsqldb.StatementDMQL.execute(Unknown Source) > at org.hsqldb.Session.executeCompiledStatement(Unknown Source) > at org.hsqldb.Session.execute(Unknown Source) > ... 4 more > > > I am guessing my class-path would have a problem, but do not have a > confidence. > What is the cause of this error? > > I would appreciate for any of your help. > > > Sincerely, > Kaya >