db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Suraj Batuwana <sbatuw...@virtusa.com>
Subject Re: Can't the embedded mode of a Derby database boot from a dual JVMs
Date Tue, 14 Nov 2006 10:20:28 GMT

Also in client side i am getting the folloing error

Error when executing query:com.ibm.websphere.ce.cm.StaleConnectionException:
Meta-data for Container
org.apache.derby.impl.store.raw.data.RAFContainer@1eafc73d could not be
accessed
junit.framework.AssertionFailedError: Error when executing
query:com.ibm.websphere.ce.cm.StaleConnectionException: Meta-data for
Container org.apache.derby.impl.store.raw.data.RAFContainer@1eafc73d could
not be accessed




Suraj Batuwana wrote:
> 
> Hi ,
> Thanx for the answer. I have used the Embbeded network server as you have
> told. But now when i am running junit test cases
> in the nightly build i am getting folloing client side errors in my test
> classes
> 
> Error when executing
> query:com.ibm.websphere.ce.cm.StaleConnectionException: Meta-data for
> Container org.apache.derby.impl.store.raw.data.RAFContainer@32d20639 could
> not be accessed
> junit.framework.AssertionFailedError: Error when executing
> query:com.ibm.websphere.ce.cm.StaleConnectionException: Meta-data for
> Container org.apache.derby.impl.store.raw.data.RAFContainer@32d20639 could
> not be accessed
> 
> also I have attached the derby.log for your reference.
> Note: I have used IBM JDK 1.4.2 and cloudscape 10.2.1.6 with Websphere
> 6.0.2.5
> 
> Also in my seg0(E:\Cloud_Branch\TestDB\seg0\) folder there were 3854 dat
> files were there.
> 
> why does it says as
> 	RAFContainer@32d20639 could not be accessed ?
> 
> -Suraj
> 
> Suraj Batuwana wrote:
>> 
>> I am not sure I got what you tring to say. 
>> 
>> What is  embedded network server ? 
>>         When I am creating the datasource in Websphere I have used the 
>>         
>>          implementing class as    
>> "org.apache.derby.jdbc.EmbeddedConnectionPoolDataSource" 
>>          implementing class for XA as    
>> "org.apache.derby.jdbc.EmbeddedXADataSource" 
>>          dataSource helper class as
>> "com.ibm.websphere.rsadapter.DerbyDataStoreHelper" 
>>           
>>          and add derby.jar,derbynet.jar and derbytools.jar to the class
>> path.             
>> 
>> 
>> 
>>  "client application could use the client driver" 
>>         Is this means to use the org.apache.derby.jdbc.ClientDriver ?,
>> but it is a Derby Network Client driver. At the moment 
>> I am using org.apache.derby.jdbc.EmbeddedDriver as my client driver. 
>> 
>> -Suraj 
>> 
>> 
>> Daniel John Debrunner-2 wrote:
>>> 
>>> Suraj Batuwana wrote:
>>>> Hi All,
>>>> 	I am a derby user but for my application I need some improved version
>>>> of
>>>> Derby. 
>>>> 	So I thought of writing to this group.
>>>> 	
>>>> 	For my application I need to access a single Derby database(using
>>>> Embedded
>>>> mode) from 
>>>> 		1. Data source( In a Websphere 6.0.2.5)
>>>> 		2. Client application
>>>> 		
>>>> 	But when try to access the database it will throw exceptions like
>>>> "Caused
>>>> by: java.sql.SQLException: Failed to start database
>>>> 'E:\source\database\TestDB'" from a one of the place.
>>>> 	
>>>> 	I know this happens because Embedded, a Derby database can be booted
>>>> only
>>>> from a single JVM, In my case ,	it is trying to boot from 2 JVMs(client
>>>> JVM
>>>> and server JVM), but when I used the Network mode there is no such an
>>>> issue.Is there a way future Derby (Embedded mode) version can handle
>>>> the
>>>> above issue or It will remain as it is ?
>>> 
>>> You can mix embedded and the network server, so in your case the 
>>> WebSphere could be running embedded with an embedded network server. 
>>> Then the client application could use the client driver.
>>> 
>>> Dan.
>>> 
>>> 
>>> 
>> 
>> 
>  http://www.nabble.com/file/4136/derby.log derby.log 
> 

-- 
View this message in context: http://www.nabble.com/Can%27t-the-embedded-mode-of-a-Derby-database-boot-from-a-dual-JVMs-tf2586621.html#a7334815
Sent from the Apache Derby Developers mailing list archive at Nabble.com.


Mime
View raw message