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Malcovitch
 Post subject: Reverse engineering Oracle 9i does nothing!
PostPosted: Mon Jul 13, 2009 6:52 am 
Newbie

Joined: Mon Jul 13, 2009 5:23 am
Posts: 4
Hi All,

I'm trying to reverse engineer an Oracle 9i schema using the hibernatetools Ant task running from Eclipse. I executes "successfully", although I get a warning and no code is generated. I'm using the example here as a guide.

Here are my relevant bits:

hibernate-distribution-3.3.2.GA
HibernateTools-3.2.4.GA-R200905070146-H18
Eclipse version 3.5 NB - not congfigured with Hibernate plugins; I want to do everything through Ant
Oracle9i Release 9.2.0.6.0

build.xml:

Code:
<project name="proj" default="" basedir=".">
   
   <property name="src.dir" value="src"></property>

   <path id="toolslib">
       <path location="lib/hibernate-tools.jar" />
      <path location="lib/hibernate3.jar" />
      <path location="lib/freemarker.jar" />
      <path location="lib/ojdbc14.jar" />
      <path location="lib/commons-logging-1.0.4.jar" />
      <path location="lib/dom4j-1.6.1.jar" />
      <path location="lib/slf4j-api-1.5.8.jar" />
      <path location="lib/slf4j-simple-1.5.8.jar" />
   </path>

   <taskdef name="hibernatetool"
            classname="org.hibernate.tool.ant.HibernateToolTask"
            classpathref="toolslib" />   
   
   <hibernatetool destdir="${src.dir}/generated">
      <jdbcconfiguration configurationfile="hibernate.cfg.xml"/>
      <hbm2java jdk5="true"/>
      <hbm2hbmxml destdir="${src.dir}/hbm" />
   </hibernatetool>

</project>


hibernate.cfg.xml:

Code:
<?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>

        <!-- Database connection settings -->
        <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
        <property name="connection.url">jdbc:oracle:thin:@server:port:instance</property>
        <property name="connection.username">username</property>
        <property name="connection.password">passwd</property>
        <property name="default_schema">schema</property>

        <!-- JDBC connection pool (use the built-in) -->
        <property name="connection.pool_size">1</property>

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.Oracle9iDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <!--
        <property name="hbm2ddl.auto">update</property>

        <mapping resource="org/hibernate/tutorial/domain/Event.hbm.xml"/>
        -->

    </session-factory>

</hibernate-configuration>


Stack trace:

[hibernatetool] Executing Hibernate Tool with a JDBC Configuration (for reverse engineering)
[hibernatetool] 1. task: hbm2java (Generates a set of .java files)
[hibernatetool] 16 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.3.2.GA
[hibernatetool] 16 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found
[hibernatetool] 16 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
[hibernatetool] 16 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
[hibernatetool] 63 [main] INFO org.hibernate.cfg.Configuration - configuring from file: hibernate.cfg.xml
[hibernatetool] 94 [main] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null
[hibernatetool] 110 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
[hibernatetool] 110 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 1
[hibernatetool] 110 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
[hibernatetool] 125 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: oracle.jdbc.driver.OracleDriver at URL: jdbc:oracle:thin:@server:port:instance
[hibernatetool] 125 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=username, password=****}
[hibernatetool] 391 [main] INFO org.hibernate.cfg.SettingsFactory - RDBMS: Oracle, version: Oracle9i Release 9.2.0.6.0 - Production
[hibernatetool] JServer Release 9.2.0.6.0 - Production
[hibernatetool] 391 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC driver: Oracle JDBC driver, version: 9.2.0.3.0
[hibernatetool] 406 [main] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.Oracle9iDialect
[hibernatetool] 438 [main] WARN org.hibernate.cfg.SettingsFactory - Could not obtain connection metadata
[hibernatetool] java.sql.SQLException: Unsupported feature
[hibernatetool] at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
[hibernatetool] at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
[hibernatetool] at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
[hibernatetool] at oracle.jdbc.dbaccess.DBError.throwUnsupportedFeatureSqlException(DBError.java:690)
[hibernatetool] at oracle.jdbc.OracleDatabaseMetaData.supportsGetGeneratedKeys(OracleDatabaseMetaData.java:4182)
[hibernatetool] at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:123)
[hibernatetool] at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2119)
[hibernatetool] at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2111)
[hibernatetool] at org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC(JDBCMetaDataConfiguration.java:40)
[hibernatetool] at org.hibernate.tool.ant.JDBCConfigurationTask.doConfiguration(JDBCConfigurationTask.java:83)
[hibernatetool] at org.hibernate.tool.ant.ConfigurationTask.getConfiguration(ConfigurationTask.java:55)
[hibernatetool] at org.hibernate.tool.ant.HibernateToolTask.getConfiguration(HibernateToolTask.java:302)
[hibernatetool] at org.hibernate.tool.ant.HibernateToolTask.getProperties(HibernateToolTask.java:318)
[hibernatetool] at org.hibernate.tool.ant.ExporterTask.configureExporter(ExporterTask.java:94)
[hibernatetool] at org.hibernate.tool.ant.Hbm2JavaExporterTask.configureExporter(Hbm2JavaExporterTask.java:34)
[hibernatetool] at org.hibernate.tool.ant.ExporterTask.execute(ExporterTask.java:39)
[hibernatetool] at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:186)
[hibernatetool] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[hibernatetool] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[hibernatetool] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[hibernatetool] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[hibernatetool] at java.lang.reflect.Method.invoke(Method.java:597)
[hibernatetool] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[hibernatetool] at org.apache.tools.ant.Task.perform(Task.java:348)
[hibernatetool] at org.apache.tools.ant.Target.execute(Target.java:357)
[hibernatetool] at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:142)
[hibernatetool] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.parseBuildFile(InternalAntRunner.java:191)
[hibernatetool] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:400)
[hibernatetool] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137)
[hibernatetool] 438 [main] INFO org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions)
[hibernatetool] 438 [main] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch size: 15
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch updates for versioned data: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Default schema: careview
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
[hibernatetool] 438 [main] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {}
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge
[hibernatetool] 438 [main] INFO org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge - Cache provider: org.hibernate.cache.NoCacheProvider
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled
[hibernatetool] 438 [main] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled
[hibernatetool] 453 [main] INFO org.hibernate.cfg.SettingsFactory - Echoing all SQL to stdout
[hibernatetool] 453 [main] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled
[hibernatetool] 453 [main] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled
[hibernatetool] 453 [main] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
[hibernatetool] 453 [main] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled
[hibernatetool] 485 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - cleaning up connection pool: jdbc:oracle:thin:@cx_full_demo:1521:so9i
[hibernatetool] 13-Jul-2009 11:22:51 org.hibernate.tool.Version <clinit>
[hibernatetool] INFO: Hibernate Tools 3.2.4.GA
[hibernatetool] 2. task: hbm2hbmxml (Generates a set of hbm.xml files)
BUILD SUCCESSFUL
Total time: 687 milliseconds

Any help much appreciated! I've looked for a solution to the "Could not obtain connection metadata" warning, but to no avail.

I'm very new at this, BTW....
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Malcovitch
 Post subject: Re: Reverse engineering Oracle 9i does nothing!
PostPosted: Mon Jul 13, 2009 11:32 am 
Newbie

Joined: Mon Jul 13, 2009 5:23 am
Posts: 4
I downloaded the latest Oracle driver, so I've got rid of the "Could not obtain connection metadata", still no code though...
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Malcovitch
 Post subject: Re: Reverse engineering Oracle 9i does nothing!
PostPosted: Tue Jul 14, 2009 7:06 am 
Newbie

Joined: Mon Jul 13, 2009 5:23 am
Posts: 4
Here's the stack trace:

[hibernatetool] Executing Hibernate Tool with a JDBC Configuration (for reverse engineering)
[hibernatetool] 1. task: hbm2hbmxml (Generates a set of hbm.xml files)
[hibernatetool] 31 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.3.2.GA
[hibernatetool] 31 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found
[hibernatetool] 31 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
[hibernatetool] 47 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
[hibernatetool] 94 [main] INFO org.hibernate.cfg.Configuration - configuring from file: hibernate.cfg.xml
[hibernatetool] 172 [main] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null
[hibernatetool] 187 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
[hibernatetool] 187 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 1
[hibernatetool] 187 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
[hibernatetool] 219 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: oracle.jdbc.driver.OracleDriver at URL: jdbc:oracle:thin:@server:port:instance
[hibernatetool] 219 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=username, password=****}
[hibernatetool] 562 [main] INFO org.hibernate.cfg.SettingsFactory - RDBMS: Oracle, version: Oracle9i Release 9.2.0.6.0 - Production
[hibernatetool] JServer Release 9.2.0.6.0 - Production
[hibernatetool] 562 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC driver: Oracle JDBC driver, version: 9.2.0.8.0
[hibernatetool] 578 [main] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.Oracle9iDialect
[hibernatetool] 609 [main] INFO org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions)
[hibernatetool] 609 [main] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch size: 15
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC batch updates for versioned data: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Default schema: schema
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
[hibernatetool] 609 [main] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {}
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge
[hibernatetool] 609 [main] INFO org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge - Cache provider: org.hibernate.cache.NoCacheProvider
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Echoing all SQL to stdout
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
[hibernatetool] 609 [main] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled
[hibernatetool] 656 [main] INFO org.hibernate.connection.DriverManagerConnectionProvider - cleaning up connection pool: jdbc:oracle:thin:@server:port:instance
[hibernatetool] 14-Jul-2009 11:57:48 org.hibernate.tool.Version <clinit>
[hibernatetool] INFO: Hibernate Tools 3.2.4.GA
BUILD SUCCESSFUL
Total time: 1 second
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Malcovitch
 Post subject: Re: Reverse engineering Oracle 9i does nothing!
PostPosted: Tue Jul 14, 2009 10:49 am 
Newbie

Joined: Mon Jul 13, 2009 5:23 am
Posts: 4
OK, time to feel daft... The schema is defined in upper case. Grr.

(The "username" in the hibernate config is in lower case, so I assumed that the same would apply to the schema.)

So now my .javas and my .hbm.xmls are being generated. Joy!

Awfy lonely in here....
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max
 Post subject: Re: Reverse engineering Oracle 9i does nothing!
PostPosted: Sun Aug 02, 2009 7:17 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
Good you found your solution. sorry for the silence but I were on vacation (sad that all those who I/we already helped in here did not help you out but know you know the answer to this and can help others feel less lonely ;)

_________________
Max
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perlitezzz
 Post subject: Re: Reverse engineering Oracle 9i does nothing!
PostPosted: Tue May 03, 2011 5:00 am 
Newbie

Joined: Tue May 03, 2011 4:50 am
Posts: 1
I'm trying to reverse engineer an Oracle 10g XE schema, and has the same problem as you.
There is no error message, just no code is generated.
I had been googled many days.
Thank you give me the hint "the schema is defined in upper case" to solve my problem.
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