Has anyone been able to solve this issue? I am running into the same problem. I am working with Oracle 10g, eclipse 3.2, and IDE 1.6 When I try connecting to an Oracle database to do reverse engineeering I get the following error: org.hibernate.exception.GenericJDBCException: Getting database metadata | at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) | at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) | at org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect.getMetaData(JDBCMetaDataDialect.java:61) | at org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect.getTables(JDBCMetaDataDialect.java:70) | at org.hibernate.cfg.reveng.JDBCReader.processTables(JDBCReader.java:404) | at org.hibernate.cfg.reveng.JDBCReader.readDatabaseSchema(JDBCReader.java:68) | at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter$1.execute(LazyDatabaseSchemaWorkbenchAdapter.java:76) | at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:35) | at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.readDatabaseSchema(LazyDatabaseSchemaWorkbenchAdapter.java:67) | at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.getChildren(LazyDatabaseSchemaWorkbenchAdapter.java:36) | at org.hibernate.eclipse.console.workbench.LazyDatabaseSchemaWorkbenchAdapter.getChildren(LazyDatabaseSchemaWorkbenchAdapter.java:28) | at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:69) | at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:207) | at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58) | Caused by: java.sql.SQLException: invalid arguments in call | at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112) | at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146) | at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:208) | at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:236) | at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:494) | at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165) | at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35) | at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:816) | at org.hibernate.console.FakeDelegatingDriver.connect(FakeDelegatingDriver.java:23) | at java.sql.DriverManager.getConnection(Unknown Source) | at java.sql.DriverManager.getConnection(Unknown Source) | at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110) | at org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect.getConnection(JDBCMetaDataDialect.java:294) | at org.hibernate.cfg.reveng.dialect.JDBCMetaDataDialect.getMetaData(JDBCMetaDataDialect.java:58) | ... 11 more Here is my hibernate.cfg.xml: <?xml version="1.0" encoding="UTF-8"?> | <!DOCTYPE hibernate-configuration PUBLIC | "-//Hibernate/Hibernate Configuration DTD 3.0//EN" | "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> | <hibernate-configuration> | <session-factory> | <property name="hibernate.connection.driver_class">oracle.jdbc.OracleDriver</property> | <property name="hibernate.connection.password">xxxxx</property> | <property name="hibernate.connection.url">jdbc:oracle:thin:@nwusa-ars1048.nwusa.local:1521:veria</property> | <property name="hibernate.connection.username">veria</property> | <property name="hibernate.dialect">org.hibernate.dialect.OracleDialect</property> | <property name="hibernate.default_schema">veria</property> | <property name="show_sql">true</property> | </session-factory> | </hibernate-configuration> Any help would be greatly appreciated. - Aaron View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4055263#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...