How to lookup a datasource
In Jdevleoper 9i(9.0.3.1) when I am developing servlets there are codes like :
DataSource ds = null;
public void init() throws ServletException {
try {
InitialContext ic = new InitialContext();
ds = (DataSource) ic.lookup("java:comp/env/jdbc/Conn_scottDS");
catch (NamingException ne) {
throw new ServletException(ne);
the IE displays: cannot find jdbc/Conn_scottDS
I don't know what files I should config and how I can config files in jdevloper9i.
anybody help me,thanks
Check up JDEV_HOME\j2ee\home\config\data-sources.xml make sure that you have datasource that you are accessing is configured here. And also establish a database connection from Jdev to this datasource.
Similar Messages
-
How to handle multiple datasources in a web application?
I have a J2EE Web application with Servlets and Java ServerPages. Beside this I have a in-house developed API for certain services built using Hibernate and Spring with POJO's and some EJB.
There are 8 databases which will be used by the web application. I have heard that multiple datasources with Spring is hard to design around. Considering that I have no choice not to use Spring or Hibernate as the API's are using it.
Anyone have a good design spesification for how to handle multiple datasources. The datasource(database) will be chosen by the user in the web application.Let me get this straight. You have a web application that uses spring framework and hibernate to access the database. You want the user to be able to select the database that he wants to access using spring and hibernate.
Hopefully you are using the Spring Framework Hibernate DAO. I know you can have more that one spring application context. You can then trying to load a seperate spring application context for each database. Each application context would have it's own configuration files with the connection parameters for each datasource. You could still use JNDi entries in the web.xml for each datasource.
Then you would need a service locater so that when a user selected a datasource he would get the application context for that datasource which he would use for the rest of his session.
I think it is doable. It means a long load time. And you'll need to keep the application contexts as small as possible to conserve resources. -
How to create a datasource for 0COSTCENTER to load data in csv file in BI
how to create a datasource for 0COSTCENTER to load data in csv file in BI 7.0 system
can you emil me the picture of the step about how to loaded individual values of the hierarchy using CSV file
thank you very much
my emil is <Removed>
allenStep 1: Load Required Master Data for 0CostCenter in to BI system
Step 2: Enable Characteristics to support Hierarchy for this 0Cost Center and specify the External Characteristic(In the Lowest Node or Last Node) while creation of this Characteristic InfoObject
Step 3: On Last Node of Hierarchy Structure in the InfoObject, Right Click and then Create Hierarchy MANUALLY by Inserting the Master Data Value as BI dosent Support the Hierarchy load directly you need to do it manually....
Step 4: Mapping
Create Text Node thats the first node (Root Node)
Insert Characteristic Nodes
Insert the Last Node of the Hierarchy
Then you need to create a Open hub Destination for extracting data into the .csv file...
Step1 : Create the Open Hub Destination give the Master Data table name and enter all the fields required....and create the transformations for this Open Hub connecting to the External file or excel file source...then give the location on to your local disk or path of the server in the first tab and request for the data...It should work alright let me know if you need anything else...
Thanks,
Sandhya -
What is Data source? How to create a datasource?
Hi All,
anybody could you explain me What is Data source and how to create data source?
How it is related to BW.
Points will be rewarded for all the useful answers.
Priya.Hi Priya,
You can Create DataSource for Different Source systems.
Chech these URLs.
http://help.sap.com/saphelp_nw04s/helpdata/en/43/01ed2fe3811a77e10000000a422035/content.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/43/00153831035167e10000000a1553f6/content.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/42/fdccb72aa95277e10000000a1553f7/content.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/43/93dbdbff0b274ee10000000a422035/content.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/43/03b1f4dc636e72e10000000a422035/content.htm
steps in 'how to delta generic datasource'
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
/message/3471234#3471234 [original link is broken]
Re: How to create datasource
<b>Reward points for helpful answers</b>
Satish -
Caching of JNDI lookup'ed DataSources???
What is the recommened pratice, using bean-managed Entity Beans, in regards to
looking up the DataSource object from the JNDI tree?
Is the best way to store the DataSource object in the session context when setEntityContext
is called and release it on unsetEntityContext?
or
is it best if we lookup the DataSource object in every method and returns it back
to the pool at the end of the same method? Like in the PETStore example from SUN.
In a article from SUN "Seven Rules for Optimizing Entity Beans" they recommend
to cache even DataSource objects. What is BEA's recommendation on this?
http://developer.java.sun.com/developer/technicalArticles/ebeans/sevenrules
Regards,
Steen
http://developer.java.sun.com/developer/technicalArticles/ebeans/sevenrules/I recommend doing the JNDI look-up in the setEntityContext method and
storing the DataSource in a member variable.
You should get the JDBC connection from the DataSource in each method
and return it in each method.
-- Rob
Steen Laursen wrote:
>
What is the recommened pratice, using bean-managed Entity Beans, in regards to
looking up the DataSource object from the JNDI tree?
Is the best way to store the DataSource object in the session context when setEntityContext
is called and release it on unsetEntityContext?
or
is it best if we lookup the DataSource object in every method and returns it back
to the pool at the end of the same method? Like in the PETStore example from SUN.
In a article from SUN "Seven Rules for Optimizing Entity Beans" they recommend
to cache even DataSource objects. What is BEA's recommendation on this?
http://developer.java.sun.com/developer/technicalArticles/ebeans/sevenrules
Regards,
Steen
http://developer.java.sun.com/developer/technicalArticles/ebeans/sevenrules/
AVAILABLE NOW!: Building J2EE Applications & BEA WebLogic Server
by Michael Girdley, Rob Woollen, and Sandra Emerson
http://learnWebLogic.com -
Format of the JNDI name for lookup in DataSource
Hi
a) I have made a datasource in Weblogic 10.3 called SQL and its JNDI name as jdbc/SQLDS.
The driver was BEA'S Type 4 Driver for MS SQL Server
Now I am trying to lookup the datasource through an application. I have used the following
lines of code:
InitialContext context = new InitialContext();
DataSource ds = context.lookup("jdbc/SQLDS");
Connection conn = ds.getConnection();
The Application was a success.
I saw in some articles that you can refer to the datasource by even java:comp/env/jdbc/SQLDS,
instead of just jdbc/SQLDS. I tried both ways and I was able to run the application.
b) Then I made another datasource in Weblogic 10.3 called SQL1 and its JNDI name as jdbc/SQL1.
The driver was MS SQL Server Type 4 Driver for versions 2000, 2005
Now I am trying to lookup the datasource through an application. I have used the following
lines of code:
InitialContext context = new InitialContext();
DataSource ds = context.lookup("jdbc/SQL1");
Connection conn = ds.getConnection();
The Application was a success.
I saw in some articles that you can refer to the datasource by even java:comp/env/jdbc/SQL1,
instead of just jdbc/SQL1. I tried the first way and it didnt work. It gave me a NullPointerException
at the line Connection conn = ds.getConnection();
c)Then I made a 3rd datasource in Weblogic 10.3 called SQL2 and its JNDI name as jdbc/SQL2DS.
The driver was MS SQL Server Type 4 Driver for versions 2000, 2005
Now I am trying to lookup the datasource through an application. I have used the following
lines of code:
InitialContext context = new InitialContext();
DataSource ds = context.lookup("jdbc/SQL2DS");
Connection conn = ds.getConnection();
The Application was a success.
I saw in some articles that you can refer to the datasource by even java:comp/env/jdbc/SQL2DS,
instead of just jdbc/SQL2DS. I tried the first way and it didnt work. Again, it gave me a NullPointerException
at the line Connection conn = ds.getConnection();
I was confused why the 2nd and 3rd way didnt work . Is it becaue I used Microsoft's MS SQL Server Type 4 Driver?
I have added the jar file in the WEBLOGIC_CLASSPATH. Why is it not recognising java:comp/env/jdbc/SQL2DS ?
I would be grateful if somebody could give me ideas on this...
Thanks
NeetiTo use application scoped or indirect JNDI lookups (i.e. java:comp/env/...) you usually need to define a <resource-ref> entry in your deployment descriptor(s). Not sure what type of application you are using to test (web-app, EJB,) but for java:comp/env/ lookups to work, you need to define resource references. The fact that your first test succeeded is somewhat strange. Without the resource reference definitions, I would have expected your JNDI lookups to fail with a NamingException instead of the lookup returning NULL for the datasource.
Assuming you are doing your test from a web-app, you need to add <resource-ref> definitions to your web.xml file similar to the following:
<resource-ref>
<res-ref-name>*jdbc/SQL2DS*</res-ref-name>
<res-type>java.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
and then add <reference-descriptor> definitions to your weblogic.xml file similar to the following:
<reference-descriptor>
<resource-description>
<res-ref-name>*jdbc/SQL2DS*</res-ref-name>
<jndi-name>*jdbc/SQL2DS*</jndi-name>
</resource-description>
</reference-descriptor>
Once you do these steps your lookup("java:comp/env/jdbc/SQL2DS") should function properly from within your web-app. -
How to find which datasource are using tables AFRU ,CAUFV and AUFM
*how to find which datasource are using tables AFRU ,CAUFV and AUFM*
Hi,
You can enter your table names in SE11 transaction and click "Display" and again click "Where -Used-List". Then it will show all the places where these tables are used(Datasources)
Hope this helps.....
Regards,
SUman -
How to find the datasource of the planned ship date
Hi All,
how to find the datasource of the planned ship date in shipping history report , whether we go for enhancement or we can get from SAP Std. pls help me on step by step process.
Thanks and Regards
malempatiHi Govardhan,
The best place to start looking for the standard data source will be http://help.sap.com/saphelp_nw04/helpdata/en/e3/e60138fede083de10000009b38f8cf/frameset.htm .
If you can not find anything, from the source table, find if the table is included in any of the structures/views for BW. Hope this helps.
Thanks and Regards
Subray Hegde -
How to extract retail datasources please describe clearely
how to extract retail datasources please describe clearely
Dear,
http://help.sap.com/saphelp_nw04/helpdata/en/39/e531c93747da4a8806612212b013b4/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/8e/65f438c842cc2be10000000a114084/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/86/39d6386e24f90ae10000000a114084/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/35/e58282fe8711d3b49f006094b9301e/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/73/d26594107711d4af1e080009d2232d/content.htm
Also check in:
www.service.sap.com/bi -->>solution detail -->>Industry Portfolios -->> Sap Retail
Thanks -
How to find which datasource is using table JCDS?
How to find which datasource is using table JCDS?
Hi,
Please find the below link and identify whether will it meet your requirement or not ... If it meets your requirement then I can provide you more documents related to the same which we have in our project. We were using the same for Plant Maintanance project...
For this report the required information is gathering from the different data sources from the ECC system. This report requires object status functional location attributes, Equipment attributes and some specific information apart from normal transaction data for an order.
u2022 Main feeding data sources for this report are 2LIS_17_ORDER and 2LIS_18_ORDER.
u2022 Requires the object status data (system status, number object status and un-number system status) is feeding from different DSO where the status data is staging with different data flow.
u2022 Requires the Order planned end date which is dependent on the operation planned completion date. so we are feeding this field from Operationu2019s DSO where the planned date is staging with different data flow.
u2022 Required characteristic data and attributes of the Functional location is getting from the master data .The 0FUNCT_LOC is updating by master data data sources
u2022 Required standard class of the functional location is updating from other DSO where the classification data is staging with the help of different data flow.
2LIS_17_ORDER and 2LIS_18_ORDER Data flow Details : No enhancement was done for these data sources .
Status Data Flow Details:
The status data is staged because ,this dat is required for the reports based on the Orders, Operations , Notifications, Functional Location and Equipment.
To load suitable data to different DSOs from the Status DSO we maintain the Filters for status profile and status at DTP level.
Required status change dates are deriving based on changed on date ,system status while loading from status DSO to Order DSO.
The system status ,Number object status and un- numberd object status are feeding from status DSO only.The status DSO is updating by u20180TE_OBJ_STATUS_HISTu2019.This Is based on the tables JCDS,JSTO and T000.
JCDS MANDT = JSTO MANDT
JCDS OBJNR = JSTO OBJNR
T000 MANDT = JCDS MANDT
This DS has enhanced for the below two fields
1. Order Number
2. Operation/Activity Number
The Logic to populate the above two fileds is as below.
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/e4/1522bae6aa46b8802dca454e846d58/frameset.htm
regards
BVR -
Error while configuring kodo to lookup a datasource
We had a working application using EEPersistenceManagerFactory
I changed the kodo.properties to lookup a non XA JDBC datasource.
After that the application is working fine (it creates
,updates,deletes,finds record in the DB)
but SystemOut.log has the following error for every operation
We are using Kodo 2.5.0, Websphere 5.0 and Oracle 8
How can we avoid getting this error ?.
We tried to find any property on the Websphere datasource which can be
altered to avoid this error but no luck.
Thanks
Paresh
[10/7/03 15:30:45:467 IST] 3d8b2d1a MCWrapper E J2CA0081E: Method
destroy failed while trying to execute method destroy on ManagedConnection
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl@437f6d23 from resource
<null>. Caught exception: com.ibm.ws.exception.WsException: DSRA0080E: An
exception was received by the Data Store Adapter. See original exception
message: Cannot call 'cleanup' on a ManagedConnection while it is still in
a transaction..
at
com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStoreAdapterException.java:222)
at
com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStoreAdapterException.java:172)
at
com.ibm.ws.rsadapter.AdapterUtil.createDataStoreAdapterException(AdapterUtil.java:182)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.cleanupTransactions(WSRdbManagedConnectionImpl.java:1826)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.destroy(WSRdbManagedConnectionImpl.java:1389)
at com.ibm.ejs.j2c.MCWrapper.destroy(MCWrapper.java:1032)
at
com.ibm.ejs.j2c.poolmanager.FreePool.returnToFreePool(FreePool.java:259)
at com.ibm.ejs.j2c.poolmanager.PoolManager.release(PoolManager.java:777)
at com.ibm.ejs.j2c.MCWrapper.releaseToPoolManager(MCWrapper.java:1304)
at
com.ibm.ejs.j2c.ConnectionEventListener.connectionClosed(ConnectionEventListener.java:195)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.processConnectionClosedEvent(WSRdbManagedConnectionImpl.java:843)
at
com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.closeWrapper(WSJdbcConnection.java:569)
at com.ibm.ws.rsadapter.jdbc.WSJdbcObject.close(WSJdbcObject.java:132)
at
com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.close(SQLExecutionManagerImpl.java:814)
at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.release(JDBCStoreManager.java(Inlined
Compiled Code))
at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java(Compiled
Code))
at
com.solarmetric.kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java(Compiled
Code))
at
com.solarmetric.kodo.runtime.StateManagerImpl.preSerialize(StateManagerImpl.java:784)
at com.paresh.core.vo.Release.jdoPreSerialize(Release.java)
at com.paresh.core.vo.Release.writeObject(Release.java)
at java.lang.reflect.Method.invoke(Native Method)
at
com.ibm.rmi.io.IIOPOutputStream.invokeObjectWriter(IIOPOutputStream.java:703)
at com.ibm.rmi.io.IIOPOutputStream.outputObject(IIOPOutputStream.java:671)
at
com.ibm.rmi.io.IIOPOutputStream.simpleWriteObject(IIOPOutputStream.java:146)
at
com.ibm.rmi.io.ValueHandlerImpl.writeValueInternal(ValueHandlerImpl.java:217)
at com.ibm.rmi.io.ValueHandlerImpl.writeValue(ValueHandlerImpl.java:144)
at com.ibm.rmi.iiop.CDROutputStream.write_value(CDROutputStream.java:1590)
at com.ibm.rmi.iiop.CDROutputStream.write_value(CDROutputStream.java:1107)
at
com.paresh.core.interfaces._EJSRemoteStatelessValidation_da16513c_Tie.findCorrectionAction(_EJSRemoteStatelessValidation_da16513c_Tie.java:309)
at
com.paresh.core.interfaces._EJSRemoteStatelessValidation_da16513c_Tie._invoke(_EJSRemoteStatelessValidation_da16513c_Tie.java:104)
at
com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDelegate.java:582)
at com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java:437)
at com.ibm.rmi.iiop.ORB.process(ORB.java:320)
at com.ibm.CORBA.iiop.ORB.process(ORB.java:1544)
at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2063)
at com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:63)
at com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:95)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:592)
kodo.properties
com.solarmetric.kodo.LicenseKey=
#com.solarmetric.kodo.ee.ManagedRuntimeProperties=TransactionManagerName=java:/TransactionManager
com.solarmetric.kodo.ee.ManagedRuntimeProperties=TransactionManagerName=TransactionFactory
TransactionManagerMethod=com.ibm.ejs.jts.jta.TransactionManagerFactory.getTransactionManager
#com.solarmetric.kodo.ee.ManagedRuntimeClass=com.solarmetric.kodo.ee.InvocationManagedRuntime
com.solarmetric.kodo.ee.ManagedRuntimeClass=com.solarmetric.kodo.ee.AutomaticManagedRuntime
#javax.jdo.PersistenceManagerFactoryClass=com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory
javax.jdo.PersistenceManagerFactoryClass=com.solarmetric.kodo.impl.jdbc.ee.EEPersistenceManagerFactory
javax.jdo.option.ConnectionFactoryName=ds/kodo/DataSource1
javax.jdo.option.Optimistic=true
javax.jdo.option.RetainValues=true
javax.jdo.option.NontransactionalRead=true
#com.solarmetric.kodo.DataCacheClass=com.solarmetric.kodo.runtime.datacache.plugins.CacheImpl
# Changing these to a non-zero value will dramatically increase
# performance, but will cause in-memory databases such as Hypersonic
# SQL to never exit when your main() method exits, as the pooled
# connections in the in-memory database will cause a daemon thread to
# remain running.
javax.jdo.option.MinPool=5
javax.jdo.option.MaxPool=10We do have a makeTransientAll() before the object returns from Session
Bean.
We also tried the JCA path
After installing the JCA RAR and doing a lookup for
PersistenceManagetFactory the same code is not throwing any exception.
The exception is thrown only if datasource is used.
Thanks
Paresh
Marc Prud'hommeaux wrote:
Paresh-
It looks like you are returning a collection of instances from an EJB,
which will cause them to be serialized. The serialization is happening
outside the context of a transaction, and Kodo needs to obtain a
connection. Websphere seems to not like that.
You have a few options:
1. Call makeTransientAll() on all the instances before you return them
from your bean methods
2. Manually instantiate all the fields yourself before sending them
back. You could use a bogus ObjectOutputStream to do this.
3. In 3.0, you can use the new detach() API to detach the instances
before sending them back to the client.
In article <[email protected]>, Paresh wrote:
We had a working application using EEPersistenceManagerFactory
I changed the kodo.properties to lookup a non XA JDBC datasource.
After that the application is working fine (it creates
,updates,deletes,finds record in the DB)
but SystemOut.log has the following error for every operation
We are using Kodo 2.5.0, Websphere 5.0 and Oracle 8
How can we avoid getting this error ?.
We tried to find any property on the Websphere datasource which can be
altered to avoid this error but no luck.
Thanks
Paresh
[10/7/03 15:30:45:467 IST] 3d8b2d1a MCWrapper E J2CA0081E: Method
destroy failed while trying to execute method destroy on ManagedConnection
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl@437f6d23 from resource
<null>. Caught exception: com.ibm.ws.exception.WsException: DSRA0080E: An
exception was received by the Data Store Adapter. See original exception
message: Cannot call 'cleanup' on a ManagedConnection while it is still in
a transaction..
at
com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStoreAdapterException.java:222)
at
com.ibm.ws.rsadapter.exceptions.DataStoreAdapterException.<init>(DataStoreAdapterException.java:172)
at
com.ibm.ws.rsadapter.AdapterUtil.createDataStoreAdapterException(AdapterUtil.java:182)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.cleanupTransactions(WSRdbManagedConnectionImpl.java:1826)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.destroy(WSRdbManagedConnectionImpl.java:1389)
at com.ibm.ejs.j2c.MCWrapper.destroy(MCWrapper.java:1032)
at
com.ibm.ejs.j2c.poolmanager.FreePool.returnToFreePool(FreePool.java:259)
at com.ibm.ejs.j2c.poolmanager.PoolManager.release(PoolManager.java:777)
at com.ibm.ejs.j2c.MCWrapper.releaseToPoolManager(MCWrapper.java:1304)
at
com.ibm.ejs.j2c.ConnectionEventListener.connectionClosed(ConnectionEventListener.java:195)
at
com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.processConnectionClosedEvent(WSRdbManagedConnectionImpl.java:843)
at
com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.closeWrapper(WSJdbcConnection.java:569)
at com.ibm.ws.rsadapter.jdbc.WSJdbcObject.close(WSJdbcObject.java:132)
at
com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.close(SQLExecutionManagerImpl.java:814)
at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.release(JDBCStoreManager.java(Inlined
Compiled Code))
at
com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java(Compiled
Code))
at
com.solarmetric.kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java(Compiled
Code))
at
com.solarmetric.kodo.runtime.StateManagerImpl.preSerialize(StateManagerImpl.java:784)
at com.paresh.core.vo.Release.jdoPreSerialize(Release.java)
at com.paresh.core.vo.Release.writeObject(Release.java)
at java.lang.reflect.Method.invoke(Native Method)
at
com.ibm.rmi.io.IIOPOutputStream.invokeObjectWriter(IIOPOutputStream.java:703)
at com.ibm.rmi.io.IIOPOutputStream.outputObject(IIOPOutputStream.java:671)
at
com.ibm.rmi.io.IIOPOutputStream.simpleWriteObject(IIOPOutputStream.java:146)
at
com.ibm.rmi.io.ValueHandlerImpl.writeValueInternal(ValueHandlerImpl.java:217)
at com.ibm.rmi.io.ValueHandlerImpl.writeValue(ValueHandlerImpl.java:144)
at com.ibm.rmi.iiop.CDROutputStream.write_value(CDROutputStream.java:1590)
at com.ibm.rmi.iiop.CDROutputStream.write_value(CDROutputStream.java:1107)
at
com.paresh.core.interfaces._EJSRemoteStatelessValidation_da16513c_Tie.findCorrectionAction(_EJSRemoteStatelessValidation_da16513c_Tie.java:309)
at
com.paresh.core.interfaces._EJSRemoteStatelessValidation_da16513c_Tie._invoke(_EJSRemoteStatelessValidation_da16513c_Tie.java:104)
at
com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDelegate.java:582)
at com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java:437)
at com.ibm.rmi.iiop.ORB.process(ORB.java:320)
at com.ibm.CORBA.iiop.ORB.process(ORB.java:1544)
at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2063)
at com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:63)
at com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:95)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:592)
kodo.properties
com.solarmetric.kodo.LicenseKey=
#com.solarmetric.kodo.ee.ManagedRuntimeProperties=TransactionManagerName=java:/TransactionManager
>>
>
com.solarmetric.kodo.ee.ManagedRuntimeProperties=TransactionManagerName=TransactionFactory
>>
>
TransactionManagerMethod=com.ibm.ejs.jts.jta.TransactionManagerFactory.getTransactionManager
>>
>>
>
#com.solarmetric.kodo.ee.ManagedRuntimeClass=com.solarmetric.kodo.ee.InvocationManagedRuntime
>>
>
com.solarmetric.kodo.ee.ManagedRuntimeClass=com.solarmetric.kodo.ee.AutomaticManagedRuntime
>>
>>
>
#javax.jdo.PersistenceManagerFactoryClass=com.solarmetric.kodo.impl.jdbc.JDBCPersistenceManagerFactory
>>
>
javax.jdo.PersistenceManagerFactoryClass=com.solarmetric.kodo.impl.jdbc.ee.EEPersistenceManagerFactory
>>
javax.jdo.option.ConnectionFactoryName=ds/kodo/DataSource1
javax.jdo.option.Optimistic=true
javax.jdo.option.RetainValues=true
javax.jdo.option.NontransactionalRead=true
#com.solarmetric.kodo.DataCacheClass=com.solarmetric.kodo.runtime.datacache.plugins.CacheImpl
>>
>>
# Changing these to a non-zero value will dramatically increase
# performance, but will cause in-memory databases such as Hypersonic
# SQL to never exit when your main() method exits, as the pooled
# connections in the in-memory database will cause a daemon thread to
# remain running.
javax.jdo.option.MinPool=5
javax.jdo.option.MaxPool=10
Marc Prud'hommeaux [email protected]
SolarMetric Inc. http://www.solarmetric.com -
HELP : How to access a datasource rowset in the AM class ?
Hi,
i have an AM "TestAM" which contains the viewobject "ViewTest".
in the class "TestAMImpl.java" i added a method called "verify()".
in my JSP i have initialised the AM and a datasource based on the VO "ViewTest" :
<jbo:ApplicationModule id="am" configname="TestAM.TestAMLocal" releasemode="Stateful" />
<jbo:DataSource id="ds" appid="am" viewobject="ViewTest" />
<%
TestAM am = (TestAM) am.useApplicationModule();
String Message = am.verify();
%>
My question is how to access to the rowset of the datasource "ds" in the code of the method
"verify()" ?
public class TestAMImpl extends ApplicationModuleImpl implements TestAM {
public String verify()
How to access the rowset initialised in the JSP???????????
Thanks for your helpThis is correct. Think of the AM as having a hashtable of instances of view objects that you can lookup by instance name.
The <jbo:DataSource> tag lets you lookup an instance by name in the AM and get a reference to it to use in the JSP page. Within your AMImpl class, you can either:
[list]
[*]Call findViewObject("YourViewInstanceName"), or
[*]Just call the generated getYourViewInstanceName() method which is ok to call inside the Impl class to get hold of the same VO.
[list] -
How to resolve the datasource with Cloudspace database?
Hi,
I am running WebLogic 6.1 on Win2k and I have problem with
Cloudscape database in Default Admin Server.
=== Start init method in myJDBCReadServlet.java ===
Init Error: javax.naming.NameNotFoundException:
Unable to resolve MyJDBCDataSource.
Resolved: '' Unresolved:'MyJDBCDataSource' ; remaining name ''
=== Finish init method in myJDBCReadServlet.java ===
1. I created simple table in the Cloudscape database using IJ utility and inserted
some values:
prompt>java -classpath %CLASSPATH%;..\lib\tools.jar COM.cloudscape.tools.ij
ij version 3.5 (c) 1997-2000 Informix Software, Inc.
ij> CONNECT 'jdbc:cloudscape:demo;create=true';
WARNING 01J01: Database 'demo' not created, connection made to existing database
instead.
ij> SHOW CONNECTIONS;
CONNECTION0* - jdbc:cloudscape:demo;create=true
* = current connection
ij> CREATE TABLE employee(name CHAR(25), location CHAR(20), id INTEGER);
0 rows inserted/updated/deleted
2. I created Connection Pool and Data Source using Default Console
The Connection Pool configuration is the following:
Name : MyJDBC Connection Pool
URL : jdbc:cloudscape:demo
Driver Classname: COM.cloudscape.core.JDBCDriver
Properties : user=none password=none server=none
My Data Source configuration is the following:
Name : MyJDBC Data Source
JNDI Name: MyJDBCDataSource
Pool Name: MyJDBC Connection Pool
I added the following line to myserver startup script to point
to the database location:
-Dcloudscape.system.home=./samples/eval/cloudscape/data
3. I wrote the servlet and here is the piece of the myJDBCReadServlet
code which generated the exception:
public void init()
System.out.println("=== Start init method in myJDBCReadServlet.java ===");
try {
ctx = new InitialContext();
ds = (javax.sql.DataSource) ctx.lookup ("MyJDBCDataSource");
} catch (Exception E) {
System.out.println("Init Error: " + E);
System.out.println("=== Finish init method in myJDBCReadServlet.java ===");
Why it cannot find the database using JNDI name?
Any help will be greatly appreciated,
Jacob NikomGreat.
Here is a link where you can find more cloudscape details:
http://www.cloudscape.com/docs/doc_36/doc/html/coredocs/docs2.htm
S.
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
>
Problem solved!
Slava - thank you for your help.
Yes, cloudscape.jar file should be on the CLASSPATH.
I also put tools.jar from the same directory (I am not sure
is it necessary or not, but I did not test it).
However,it is not enough to run WebLogic with Cloudscape
successfuly. You have to tell WebLogic where the database
files are. To do it you have to include start-up option
in the startWebLogic.cmd file.
It looks like:
-Dcloudscape.system.home="C:~\samples\eval\cloudscape\data"
After that it runs. Actually, the file cloudscape.html in the
directory ~\samples\eval\cloudscape has quite a bit of information.
Unfortunately, it is difficult to comprehend it until you understand whatthe
problem is.
Regards,
Jacob
"Slava Imeshev" <[email protected]> wrote:
Hi Jacob,
You need to specify the Cloudscape classes in your
CLASSPATH, which exists in weblogic/samples/eval/cloudscape/lib.
Regards,
Slava Imeshev
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
Hi Slava,
This is the source of the error:
<Error> <JDBC>
<Cannot startup connection pool "MyJDBC_Connection_Pool"
Cannot load driver class: COM.cloudscape.core.JDBCDriver>
but I don't know how to fix it.
I don't know the name of the Cloudscape JDBC driver.
I looked at cloudscape.jar file and found the following class file:
COM/cloudscape/core/JDBCDriver.class
Is it the right driver?
I tried to use COM.cloudscape.core.XADataSource driver
classname, but got the same problem - WebLogic cannot find it.
Which .jar file has correct Cloudscape JDBC driver?
What else should I do to ensure that driver loads properly?
Thank you,
Jacob Nikom
"Slava Imeshev" <[email protected]> wrote:
Ok. I don't see that neither connection pool nor data source
trying to start. You did not added targets to them or may be
you provided wrong target.
S.
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
Hi Slava,
Thank you for your response. I am sending you the full
log as .txt file attachment. It is not very large in order
to zip it.
I added some Cloudscape parameters to the startup script,
so you can see them there. They show to the WebLogic where
the database is located.
Also, I think the database was running because I could see
my tables using IJ utility (Cloudscape tool), however I am
not sure how Cloudscape exactly starts and runs.
Regards,
Jacob Nikom
"Slava Imeshev" <[email protected]> wrote:
Could you zip the whole log and send it to me?
I just want to see what the console says about
creation of your datasources and pools.
Regards,
Slava Imeshev
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
Hi Slava,
This is the output with Stdout severity threshold = "info".
I only split a couple of very long lines.
<Oct 2, 2001 6:29:33 PM EDT> <Info> <HTTP>
<[WebAppServletContext(5891807,myJDBCReadServlet,/myJDBCReadServlet)]
myJDBCReadServlet:
init>
=== Start init method in myJDBCReadServlet.java ===
Init Error: javax.naming.NameNotFoundException: Unable to resolveMyJDBC_Data_Source.
Resolved: '' Unresolved:'MyJDBC_Data_Source' ; remaining name
=== Finish init method in myJDBCReadServlet.java ===
=== Start service method in myJDBCReadServlet.java ===
Service Error: java.lang.NullPointerException
=== Finish service method in myJDBCReadServlet.java ===
"jacob nikom" <[email protected]> wrote:
Hi Slava,
Thank you very much for your response.
I followed your advice and changed the names
of my ConnectionPool and DataSource, removing
all spaces. Now they are MyJDBC_Data_Source and
MyJDBC_Connection_Pool (is underscore OK?).
I think I turned on the message level on "info" few days ago.
Could you remind me how to check it?
I am sending you the full log of my session starting
from the beginning up to the crush:
prompt>"C:\WebLogic61\jdk131\bin\java" -hotspot -ms64m -mx64m
-classpath
.;.\lib\weblogic_sp.jar;.\lib\weblogic.jar;.\lib\cos.jar
-Dweblogic.Domain=mydomain -Dweblogic.Name=myserver
"-Dbea.home=C:\WebLogic61"
-Dcloudscape.system.home="C:\WebLogic61\wlserver6.1\samples\eval\cloudsc
a
p
e
\data"
>
-Dweblogic.management.password= -Dweblogic.ProductionModeEnabled=false
>
"-Djava.security.policy==C:\WebLogic61\wlserver6.1/lib/weblogic.policy"
weblogic.Server
<Oct 2, 2001 5:21:57 PM EDT> <Info> <Security> <Getting bootpassword
from user.>
Enter password to boot WebLogic server:
Starting WebLogic Server ....
<Oct 2, 2001 5:22:02 PM EDT> <Notice> <Management> <Loadingconfiguration
file
.\config\mydomain\config.xml ...>
<Oct 2, 2001 5:22:07 PM EDT> <Notice> <WebLogicServer> <StartingWebLogic
Admin
Server "myserver" for domain "mydomain">
<Oct 2, 2001 5:22:10 PM EDT> <Notice> <Management> <Starting
discovery
of Managed
Server...
This feature is on by default, you may turn this off bypassing -Dweblogic.management.discover=false>
<Oct 2, 2001 5:22:17 PM EDT> <Notice> <Management> <Application
Poller
started
for development server.>
<Oct 2, 2001 5:22:17 PM EDT> <Notice> <WebLogicServer><SSLListenThread
listening
on port 7002>
<Oct 2, 2001 5:22:17 PM EDT> <Notice> <WebLogicServer>
<ListenThread
listening
on port 7001>
<Oct 2, 2001 5:22:18 PM EDT> <Notice> <WebLogicServer> <StartedWebLogic
Admin
Server "myserver" for
domain "mydomain" running in Development Mode>
=== Start init method in myJDBCReadServlet.java ===
Init Error: javax.naming.NameNotFoundException: Unable to
resolve
MyJDBC_Data_Source.
Resolved: '' Unresolved:'MyJDBC_Data_Source' ; remaining name
=== Finish init method in myJDBCReadServlet.java ===
=== Start service method in myJDBCReadServlet.java ===
Service Error: java.lang.NullPointerException
"Slava Imeshev" <[email protected]> wrote:
Jacob,
Just FYI, DataSource or ConnectionPool name can not
contain spaces. Change the names and let me know if it helps.
Regards,
Slava Imeshev
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
Hi Slava,
Thank you for your message. I did assign target to
my Connection Pool and Data Source. It is "myserver".
Also, there is not any error messages form WebLogic
shell except the ones which I place in my message.
So far the misery remains unresolved.
Regards,
Jacob Nikom
"Slava Imeshev" <[email protected]> wrote:
Hi Jacob,
Make sure you assigned targets to the connection pool and
data
source.
Also
check Weblogic shell console for errors.
Regards,
Slava Imeshev
"jacob nikom" <[email protected]> wrote in message
news:[email protected]...
Hi,
I am running WebLogic 6.1 on Win2k and I have problem
with
Cloudscape database in Default Admin Server.
=== Start init method in myJDBCReadServlet.java ===
Init Error: javax.naming.NameNotFoundException:
Unable to resolve MyJDBCDataSource.
Resolved: '' Unresolved:'MyJDBCDataSource' ; remainingname
=== Finish init method in myJDBCReadServlet.java ===
1. I created simple table in the Cloudscape database using
IJ
utility
and
inserted
some values:
prompt>java -classpath %CLASSPATH%;..\lib\tools.jarCOM.cloudscape.tools.ij
ij version 3.5 (c) 1997-2000 Informix Software, Inc.
ij> CONNECT 'jdbc:cloudscape:demo;create=true';
WARNING 01J01: Database 'demo' not created, connection
made
to
existing
database
instead.
ij> SHOW CONNECTIONS;
CONNECTION0* - jdbc:cloudscape:demo;create=true
* = current connection
ij> CREATE TABLE employee(name CHAR(25), location
CHAR(20),
id
INTEGER);
0 rows inserted/updated/deleted
2. I created Connection Pool and Data Source using Default
Console
The Connection Pool configuration is the following:
Name : MyJDBC Connection Pool
URL : jdbc:cloudscape:demo
Driver Classname: COM.cloudscape.core.JDBCDriver
Properties : user=none password=none server=none
My Data Source configuration is the following:
Name : MyJDBC Data Source
JNDI Name: MyJDBCDataSource
Pool Name: MyJDBC Connection Pool
I added the following line to myserver startup script
to
point
to the database location:
-Dcloudscape.system.home=./samples/eval/cloudscape/data
3. I wrote the servlet and here is the piece of themyJDBCReadServlet
code which generated the exception:
public void init()
System.out.println("=== Start init method inmyJDBCReadServlet.java
===");
try {
ctx = new InitialContext();
ds = (javax.sql.DataSource) ctx.lookup
("MyJDBCDataSource");
} catch (Exception E) {
System.out.println("Init Error: " + E);
System.out.println("=== Finish init method inmyJDBCReadServlet.java
===");
Why it cannot find the database using JNDI name?
Any help will be greatly appreciated,
Jacob Nikom -
How create a jndi / datasource for MySQL?
Hi. This is CarloSilva, from Brazil, again. This time for help to datasource. My application uses MySQL database and ADF components. Please, would can anybody tell me step to step how to create a jndi conection datasource?
I need setup project for uses datasource, no jdbc connection. How to?
I need setup web.xml. How?
I need setup a datasource in JDeveloper for my application. How?
Please, sorry this questions but I new in JDeveloper and need use it for learn.
Thanks.A JDBC connection may be used as a JNDI resource.
If the Connections-Navigator connection is DBConnection1, the corresponding datasource is jdbc/DBConnection1DS.
1. Create a JSP page.
2. In the web.xml of the JSP add
<resource-ref>
<res-ref-name>jdbc/DBConnection1DS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
3. In the JSP page obtain a connection with the datasource.
InitialContext initialContext = new InitialContext();
javax.sql.DataSource ds = (javax.sql.DataSource)initialContext.lookup("java:comp/env/jdbc/DBConnection1DS");
java.sql.Connection conn = ds.getConnection(); -
How can i create datasource on apache server for ADF application?
Hi All,
i my use case i have created simple adf application using ADF BC and want to deploy on Apache server 6.x.
So my question is that how can i create Data Source i have goggling and find two different way to do this.
1. write following line of code on apache server conf/Context.xml file.
<Resource name="jdbc/TestDB" auth="Container"
type="javax.sql.DataSource"
driverClassName="oracle.jdbc.OracleDriver"
url="jdbc:oracle:thin:@localhost:dst"
username="jagrandb" password="jagrantest" maxActive="20" maxIdle="10"
maxWait="-1"/>
but when i have used this way i got following exception.
org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper cannot be cast to oracle.jdbc.OracleConnection
check link-
https://forums.oracle.com/thread/2564233
2. write following line of code apache conf/Server.xml file
<GlobalNamingResources>
<!-- Editable user database that can also be used by
UserDatabaseRealm to authenticate users
-->
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
<Resource name="jdbc/TestDB" auth="Container"
type="oracle.jdbc.pool.OracleDataSource"
description="User database that can be updated and saved"
driverClassName="oracle.jdbc.driver.OracleDriver"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
url="jdbc:oracle:thin:@//172.31.43.207:1521:dst"
username="jagrandb" password="jagrantest" maxActive="20" maxIdle="10"
maxWait="-1" />
</GlobalNamingResources>
and add this line in context.xml file inside <context> tag
<ResourceLink global="jdbc/TestDB" name="jdbc/TestDB" type="oracle.jdbc.pool.OracleDataSource"/>
but when i have run application i have got following error
log-
javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "java.sql.SQLException: invalid arguments in call"
at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.getConnection(QueryTagSupport.java:298)
at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.doStartTag(QueryTagSupport.java:181)
at org.apache.jsp.test_jsp._jspx_meth_sql_005fquery_005f0(test_jsp.java:110)
at org.apache.jsp.test_jsp._jspService(test_jsp.java:63)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
at java.lang.Thread.run(Thread.java:662)
Aug 2, 2013 5:17:21 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
javax.servlet.jsp.JspException: Unable to get connection, DataSource invalid: "java.sql.SQLException: invalid arguments in call"
at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.getConnection(QueryTagSupport.java:298)
at org.apache.taglibs.standard.tag.common.sql.QueryTagSupport.doStartTag(QueryTagSupport.java:181)
at org.apache.jsp.test_jsp._jspx_meth_sql_005fquery_005f0(test_jsp.java:110)
at org.apache.jsp.test_jsp._jspService(test_jsp.java:63)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)
at java.lang.Thread.run(Thread.java:662)
so what is the solution how to create datasource on apche server which suitable for adf application?
when i test data source using following code used 1. way as i mentioned above its running fine bt not for second.
<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<sql:query var="rs" dataSource="jdbc/TestDB">
select empname from pay_emphdr where empcd='JK1306'
</sql:query>
<html>
<head>
<title>DB Test</title>
</head>
<body>
<h2>Results</h2>
<c:forEach var="row" items="${rs.rows}">
Foo ${row.empname}<br/>
</c:forEach>
</body>
</html>
please help me. it is very urgent.
thanks in Advance
ManishHi Lindalnci
i have already tried this tutorial and in my post i have defined first way to do using this procedure.
in that case i have got following exception as i have mentioned above
org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper cannot be cast to oracle.jdbc.OracleConnection
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