RE: Trying to get OJB up and running (newbie)
I've got it running now, thanks. The problem was that the database name in the db.open call should be set to the jcd-alias from the repository xml - it should not be set to the databaseName value returned from databaseName = ( (PersistenceBrokerConfiguration) PersistenceBrokerFactory.getConfigurator() .getConfigurationFor( null ) ).getRepositoryFilename(); don't know why I tried that Thanks, Peter
Trying to get OJB up and running (newbie)
Hi there
I am trying to learn how to use OJB.
At the moment I am not getting very far. Either I have not installed
something correctly, or I have not configured something correctly.
When I call the db.open method I get a mass of exceptions. Perhaps someone
can see where I can start looking for the problem...
Here is a snippet of my code:
Implementation odmg = OJB.getInstance();
Database db = odmg.newDatabase();
try
{
db.open( databaseName, Database.OPEN_READ_WRITE );
}
And here is the first part of some output I see (which comes from inside the
open method):
[org.apache.ojb.broker.metadata.ConnectionRepository] INFO: Could not found
org.apache.ojb.broker.metadata.JdbcConnectionDescriptor for PBKey
org.apache.ojb.broker.PBKey:
repository=C:/Work/Experimentation/OJB/repository.xml, user=null,
password=null
[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
* Factory arguments:
1 - Argument: [EMAIL PROTECTED]
null
java.lang.reflect.InvocationTargetException: java.lang.NullPointerException
at
org.apache.ojb.broker.platforms.PlatformFactory.getPlatformFor(Unknown
Source)
at
org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.init(Unknown
Source)
at java.lang.reflect.Constructor.newInstance(Native Method)
at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
at
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance(Unk
nown Source)
at
org.apache.ojb.broker.util.factory.ConfigurableFactory.createNewInstance(Unk
nown Source)
at
org.apache.ojb.broker.accesslayer.ConnectionManagerFactory.createConnectionM
anager(Unknown Source)
at
org.apache.ojb.broker.singlevm.PersistenceBrokerImpl.init(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Native Method)
at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
Source)
at
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createNewBroker
Instance(Unknown Source)
at
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl$PBKeyedPoolable
ObjectFactory.makeObject(Unknown Source)
at
org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeye
dObjectPool.java:748)
at
org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.createPersisten
ceBroker(Unknown Source)
at
org.apache.ojb.broker.PersistenceBrokerFactory.createPersistenceBroker(Unkno
wn Source)
at org.apache.ojb.odmg.DatabaseImpl.open(Unknown Source)
at dk.pk.ojb.Test.main(Test.java:103)
Thanks for any help,
Peter
RE: Trying to get OJB up and running (newbie)
Hello Peter,
-Original Message-
From: Peter Kirk [mailto:[EMAIL PROTECTED]
When I call the db.open method I get a mass of exceptions.
Perhaps someone
can see where I can start looking for the problem...
this might be a known problem. (See thread: Help : OJB, ODMG API !)
Get the newest tutorial2 Application.java from
http://cvs.apache.org/viewcvs.cgi/db-ojb/src/test/org/apache/ojb/tutorial2/
Here is a snippet of my code:
Implementation odmg = OJB.getInstance();
Database db = odmg.newDatabase();
try
{
db.open( databaseName, Database.OPEN_READ_WRITE );
}
And here is the first part of some output I see (which comes
from inside the
open method):
[org.apache.ojb.broker.metadata.ConnectionRepository] INFO:
Could not found
org.apache.ojb.broker.metadata.JdbcConnectionDescriptor for PBKey
org.apache.ojb.broker.PBKey:
repository=C:/Work/Experimentation/OJB/repository.xml, user=null,
You have edited that value, haven't you? It's meaning is
not the repository file any more, but a reference to an alias
inside it.
Olli
-
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RE: Trying to get OJB up and running (newbie)
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: 10. marts 2003 14:37 To: [EMAIL PROTECTED] Subject: RE: Trying to get OJB up and running (newbie) And here is the first part of some output I see (which comes from inside the open method): [org.apache.ojb.broker.metadata.ConnectionRepository] INFO: Could not found org.apache.ojb.broker.metadata.JdbcConnectionDescriptor for PBKey org.apache.ojb.broker.PBKey: repository=C:/Work/Experimentation/OJB/repository.xml, user=null, You have edited that value, haven't you? It's meaning is not the repository file any more, but a reference to an alias inside it. Yes, I couldn't get the tutorial2 to work at all. So I have been trying to set up my own simple (really simple) application. It seems that the tutorial stuff has extra things defined in the xml files (junit tests and such?). Anyway it seemed a little confusing to me. I just wanted a dead simple first try - a hypersonic database with a single table, a single dataclass with a single text string as data... Also, I couldn't run the build batch file succesfully - here I get errors (and a huge exception/stack trace). Peter
RE: Trying to get OJB up and running (newbie)
Hello Peter, -Original Message- From: Peter Kirk [mailto:[EMAIL PROTECTED] It seems that the tutorial stuff has extra things defined in the xml files (junit tests and such?). Anyway it seemed a little confusing to me. I just wanted a dead simple first try - a hypersonic database with a single table, a single dataclass with a single text string as data... I definetly agree that the out-of-the-box experience of OJB is a weak point. I suffered, too, when I tried to get a simple isolated example to start with. There are some threads in this list about that topic. Also, I couldn't run the build batch file succesfully - here I get errors (and a huge exception/stack trace). Which errors? Olli - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Trying to get OJB up and running (newbie)
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: 10. marts 2003 16:23 To: [EMAIL PROTECTED] Subject: RE: Trying to get OJB up and running (newbie) Hello Peter, -Original Message- From: Peter Kirk [mailto:[EMAIL PROTECTED] Also, I couldn't run the build batch file succesfully - here I get errors (and a huge exception/stack trace). Which errors? Hi, below is some of the output I see in my windows dos prompt (I've snipped a bit away because it's quite long): Buildfile: build.xml set-archive-name: set-archive-name-date: detect-jdk: check-jdk12proxy-classes: check-jndi-classes: use-jdk12: use-jdk13: [echo] detected JDK 1.3 use-jdk14: init: prepare: check-j2ee-classes: preprocess: [echo] using switches: +JDK13, -JDBC30 [java] .. snip project-create-db-classpath: [echo] [echo] driver=org.hsqldb.jdbcDriver [echo] url=jdbc:hsqldb:target/test/OJB [echo] userid=sa [echo] password= [echo] [torque-create-db] Using classpath [torque-create-db] Generating to file C:\FILE DOWNLOADS\Java\OJB\rc1\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1\ target\src\sql\create-db.sql [torque-create-db] Resolver: used database.dtd from org.apache.torque.engine.database.transform package [torque-create-db] Resolver: used database.dtd from org.apache.torque.engine.database.transform package [sql] Executing file: C:\FILE DOWNLOADS\Java\OJB\rc1\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1\ target\src\sql\create-db.sql [sql] 0 of 1 SQL statements executed successfully snip project-insert-sql: [torque-insert-sql] Our new url - jdbc:hsqldb:target/test/OJB [torque-insert-sql] Executing file: C:\FILE DOWNLOADS\Java\OJB\rc1\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1\ target\src\sql\ojbtest-schema.sql [torque-insert-sql] Executing file: C:\FILE DOWNLOADS\Java\OJB\rc1\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1\ target\src\sql\ojbcore-schema.sql [torque-insert-sql] Executing file: C:\FILE DOWNLOADS\Java\OJB\rc1\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1-src\db-ojb-1.0.rc1\ target\src\sql\ojbtest-data.sql [torque-insert-sql] 231 of 231 SQL statements executed successfully junit-no-compile-no-prepare: [junit] Running org.apache.ojb.broker.AllTests [junit] Tests run: 187, Failures: 2, Errors: 182, Time elapsed: 16,624 sec [junit] Running org.apache.ojb.odmg.AllTests [junit] [BOOT] INFO: OJB.properties: file:/C:/FILE DOWNLOADS/Java/OJB/rc1/db-ojb-1.0.rc1-src/db-ojb-1.0.rc1-src/db-ojb-1.0.rc1/ target/test/ojb/OJB.properties [junit] [BOOT] ERROR: Error in instantiation of PersistenceBrokerFactory class [junit] Could not read repository class descriptor data, using repository: repository.xml: no protocol: repository.dtd [junit] java.net.MalformedURLException: no protocol: repository.dtd [junit] at java.net.URL.init(URL.java:473) [junit] at java.net.URL.init(URL.java:376) [junit] at java.net.URL.init(URL.java:330) [junit] at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source) [junit] at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown Source) [junit] at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown Source) [junit] at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source) [junit] at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) [junit] at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source) [junit] at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source) [junit] at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) [junit] at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) [junit] at org.apache.ojb.broker.metadata.RepositoryPersistor.buildRepository(Repositor yPersistor.java:288) [junit] at org.apache.ojb.broker.metadata.RepositoryPersistor.readDescriptorRepository( RepositoryPersistor.java:199) [junit] at org.apache.ojb.broker.metadata.MetadataManager.init(MetadataManager.java:88) [junit] at org.apache.ojb.broker.metadata.MetadataManager.init(MetadataManager.java:7 9) [junit] at org.apache.ojb.broker.metadata.MetadataManager.getInstance(MetadataManager.j ava:113) [junit] at org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.buildDefaultKey (PersistenceBrokerFactoryDefaultImpl.java:145) [junit] at org.apache.ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl.init(Persiste nceBrokerFactoryDefaultImpl.java:116) [junit] at java.lang.Class.newInstance0(Native Method) [junit] at java.lang.Class.newInstance(Class.java:237) [junit] at org.apache.ojb.broker.ta.PersistenceBrokerFactoryFactory.instantiate(Persist enceBrokerFactoryFactory.java:99) [junit
