Hi,

known bug in 0.9.9

----- Original Message -----
From: "Armin Waibel" <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Monday, February 24, 2003 8:57 PM
Subject: Re: OMDG Tutorial2 won't run as written


> Hi Joerg,
>
> I have checked in a fix for tutorial2. Please replace the
> Application.java file of tutorial2 with the new version
> you could get here:
>
http://cvs.apache.org/viewcvs.cgi/db-ojb/src/test/org/apache/ojb/tutoria
l2/
>
> With this fix and the out of box configuration files the tutorial
> runs without problem (I used current CVS, but I think with
> 0.9.9 it should run too).
>
> HTH
> regards,
> Armin


regards,
Armin
----- Original Message -----
From: "Thomas B. Holdren" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, February 25, 2003 7:50 PM
Subject: OJB-0.9.9 + MySQL ODMG Startup Problem


> Greetings,
>
> I'm trying to do my first OJB project, and I'm not getting very far.
I
> was able to get tutorial1 to work, and I was able to use the
Persistence
> Broker functionality in my own test app just fine by basically copying
> tutorial1 code into a test app and modifying it a bit.  So PB API
works
> good.
>
> Now I'm trying to use the tutorial2, ODMG API, and I get the same
error
> trying to run the tutorial2 program as I do when I copy its code into
my
> test application.  I have heard no changes need to be made to the
> repository.xml files to switch API's, correct me if I'm wrong.
>
> As I said, the PB API works fine for me, but using the same xml files
> and when I try to db.open(databaseName, Database.OPEN_READ_WRITE) I
get
> the following stack trace:
>
> ===============================
> [org.apache.ojb.broker.metadata.ConnectionRepository] INFO: Could not
> found org.apache.ojb.broker.metadata.JdbcConnectionDescriptor for
PBKey
> org.apache.ojb.broker.PBKey: repository=repository.xml, user=null,
> password=null
> java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> [org.apache.ojb.broker.accesslayer.ConnectionManagerFactory] ERROR:
> ConfigurableFactory instantiation failed for class class
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl
> * Factory types:
> 1 - Type: org.apache.ojb.broker.PersistenceBroker
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
> * Factory arguments:
> 1 - Argument:
[EMAIL PROTECTED]
> null
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
> [org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl] ERROR:
> Creation of a new PB instance failed
> null
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnect
ionManager(Unknown
> Source)
> [org.apache.ojb.odmg.DatabaseImpl] ERROR: Open database failed: Borrow
> broker from pool failed: Creation of a new PB instance failed
> Borrow broker from pool failed: Creation of a new PB instance failed
>      at
> org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.<init>(Unknown
Source)
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBr
okerInstance(Unknown
> Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPool
ableObjectFactory.makeObject(Unknown
> Source)
>      at
>
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(Generic
KeyedObjectPool.java:748)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersi
stenceBroker(Unknown
> Source)
>      at
>
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(U
nknown
> Source)
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> Caused by: java.lang.NullPointerException
>      at
> org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
> Source)
>      at
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.<init>(Unknown
> Source)
>      ... 22 more
> java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBr
okerInstance(Unknown
> Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPool
ableObjectFactory.makeObject(Unknown
> Source)
>      at
>
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(Generic
KeyedObjectPool.java:748)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersi
stenceBroker(Unknown
> Source)
>      at
>
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(U
nknown
> Source)
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> Caused by: org.apache.ojb.broker.PersistenceBrokerException
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnect
ionManager(Unknown
> Source)
>      at
> org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.<init>(Unknown
Source)
>      ... 13 more
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 17 more
> Caused by: java.lang.NullPointerException
>      at
> org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
> Source)
>      at
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.<init>(Unknown
> Source)
>      ... 22 more
> java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBr
okerInstance(Unknown
> Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPool
ableObjectFactory.makeObject(Unknown
> Source)
>      at
>
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(Generic
KeyedObjectPool.java:748)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersi
stenceBroker(Unknown
> Source)
>      at
>
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(U
nknown
> Source)
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> Caused by: org.apache.ojb.broker.PersistenceBrokerException
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnect
ionManager(Unknown
> Source)
>      at
> org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.<init>(Unknown
Source)
>      ... 13 more
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 17 more
> Caused by: java.lang.NullPointerException
>      at
> org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
> Source)
>      at
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.<init>(Unknown
> Source)
>      ... 22 more
> rethrown as org.apache.ojb.broker.PBFactoryException: Creation of a
new
> PB instance failed
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBr
okerInstance(Unknown
> Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPool
ableObjectFactory.makeObject(Unknown
> Source)
>      at
>
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(Generic
KeyedObjectPool.java:748)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersi
stenceBroker(Unknown
> Source)
>      at
>
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(U
nknown
> Source)
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 8 more
> Caused by: org.apache.ojb.broker.PersistenceBrokerException
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnect
ionManager(Unknown
> Source)
>      at
> org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.<init>(Unknown
Source)
>      ... 13 more
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 17 more
> Caused by: java.lang.NullPointerException
>      at
> org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
> Source)
>      at
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.<init>(Unknown
> Source)
>      ... 22 more
> rethrown as org.apache.ojb.broker.PBFactoryException: Borrow broker
from
> pool failed: Creation of a new PB instance failed
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersi
stenceBroker(Unknown
> Source)
>      at
>
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(U
nknown
> Source)
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> Caused by: org.apache.ojb.broker.PBFactoryException: Creation of a new
> PB instance failed
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBr
okerInstance(Unknown
> Source)
>      at
>
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPool
ableObjectFactory.makeObject(Unknown
> Source)
>      at
>
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(Generic
KeyedObjectPool.java:748)
>      ... 5 more
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 8 more
> Caused by: org.apache.ojb.broker.PersistenceBrokerException
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance
(Unknown
> Source)
>      at
>
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnect
ionManager(Unknown
> Source)
>      at
> org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.<init>(Unknown
Source)
>      ... 13 more
> Caused by: java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
>      at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorA
ccessorImpl.java:39)
>      at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCons
tructorAccessorImpl.java:27)
>      at
java.lang.reflect.Constructor.newInstance(Constructor.java:274)
>      at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
>      ... 17 more
> Caused by: java.lang.NullPointerException
>      at
> org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
> Source)
>      at
> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.<init>(Unknown
> Source)
>      ... 22 more
> org.odmg.DatabaseNotFoundException: OJB can't open database
repository.xml
> Borrow broker from pool failed: Creation of a new PB instance failed
>      at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.<init>(Unknown Source)
>      at org.bswt.gabriel.test.UserTest2.main(Unknown Source)
> ===========================================================
>
> UserTest2.java:
> ===========================================================
> package org.bswt.gabriel.test;
>
> import org.apache.ojb.broker.PersistenceBrokerFactory;
> import org.apache.ojb.broker.singlevm.PersistenceBrokerConfiguration;
> import
org.apache.ojb.broker.util.configuration.ConfigurationException;
> import org.apache.ojb.broker.util.ui.AsciiSplash;
> import org.apache.ojb.odmg.OJB;
> import org.odmg.Database;
> import org.odmg.Implementation;
> import org.odmg.ODMGException;
>
> import java.io.BufferedReader;
> import java.io.InputStreamReader;
> import java.util.Vector;
>
> /**
>   * The tutorial application.
>   * @author: thma
>   */
> public class UserTest2
> {
>      private Vector useCases;
>      private static String databaseName;
>      /**
>       * Application constructor comment.
>       */
>
>      static
>      {
>          try
>          {
>              databaseName =
>                  ((PersistenceBrokerConfiguration)
PersistenceBrokerFactory
>                      .getConfigurator()
>                      .getConfigurationFor(null))
>                      .getRepositoryFilename();
>          }
>          catch (ConfigurationException e)
>          {
>              databaseName = "repository.xml";
>          }
>
>      }
>
>      public UserTest2()
>      {
>          // get facade instance
>          Implementation odmg = OJB.getInstance();
>          Database db = odmg.newDatabase();
>
>          System.err.println(db);
>
>          file://open database
>          try
>          {
>              db.open(databaseName, Database.OPEN_READ_WRITE);
>          }
>          catch (ODMGException ex)
>          {
>              ex.printStackTrace();
>          }
>      }
>
>      public void run() {
>
>      }
>
>      public static void main(String[] args) {
>          UserTest2 ut = new UserTest2();
>          ut.run();
>      }
> }
> ==================================================================
>
> As I said, the PersistenceBroker works fine for me, so I don't think
> it's my repository.xml config, but here it is just in case (at least
the
> relevant database part):
>
> repository_database.xml
> ===================================================================
>      <jdbc-connection-descriptor
>        jcd-alias="gabriel"
>        default-connection="true"
>        platform="MySQL"
>        jdbc-level="3.0"
>        driver="org.gjt.mm.mysql.Driver"
>        protocol="jdbc"
>        subprotocol="mysql"
>        dbalias="//sql/gabriel"
>        username="gabriel"
>        password="********"
>      >
>        <connection-pool
>          maxActive="10"
>          whenExhaustedAction="1"
>          validationQuery="SELECT COUNT(*) FROM user"
>        />
>      </jdbc-connection-descriptor>
> ===================================================================
>
> I haven't changed any of the other configs.
>
> Any help at ALL would be very much appreciated.
> --
> Thomas Brian Holdren, Systems Programmer
> Health Design Plus
>
> "It's not what you know that is important,  it's knowing how to find
> what you
> don't know.'
>
> --
> Thomas Brian Holdren, Systems Programmer
> Health Design Plus
>
> "It's not what you know that is important,  it's knowing how to find
> what you
> don't know.'
>
>
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>
>
>


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