Data warehouse Admin Console - MySQL Physical Data Source

We have some tables on a MySQL database that we'd like to include in our ETL process. The data is to be loaded into our Oracle 11g R1 data warehouse after the transformations are completed.
Everything works with the exception of adding a physical data source in the DAC (Data warehouse administration console) for the MySQL database. There is no connection type for this database. I don't see how it's setup in the documentation.
Can someone explain what needs to be done or direct me to the docs? Or, can this be done?
Does it have to be done? The connection details are stored in the odbc.ini file on the server. So that's managed by Informatica. Will the workflow call from the DAC be sufficient?
Thanks,
LWatkins
DAC 10.1.3.4.0.20080729.2025
Informatica PowerCenter 8.1.1
AIX 5.3/64Bit
OBIA 7.9.5
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit
MySQL 5.5
Edited by: LWatkins on Mar 25, 2013 12:32 PM

I would suggest this work only if you are able to connect MySQL thru Informatica;
1) Create Connection in Worflow Manager and try to use the same connecton in sessions and try to avoid parameters from dac
2) Create same connection in DAC pointing to Oracle or MSSQL or DB2
3) Add tasks in DAC and do not add source and target tables
Another workaround to handling full loads using dac system variables or any other
If helps mark
Edited by: Srini VEERAVALLI on Mar 25, 2013 4:49 PM

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Hello Forum,
I have a question regarding usage of a MySQL-Data-Source in combination with JPA
on the SAP NetWeaver Application Server, Java EE 5 Edition.
I have setup a custom datasource like explained in paper:
"Working with Database Tables, DataSources and JMS Resources"
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[code]
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE data-sources SYSTEM "data-sources.dtd" >
<data-sources>
<data-source>
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     <max-time-to-wait-connection>60</max-time-to-wait-connection>
     <expiration-control>
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          <run-cleanup-thread>60</run-cleanup-thread>
     </expiration-control>
     <sql-engine>native_sql</sql-engine>
    <jdbc-1.x>
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      <user-name>myUser</user-name>
      <password>myPass</password>
    </jdbc-1.x>
</data-source>
</data-sources>
[/code]
After that I manually created the persistence.xml underneath the META-INF dir of the EJB project.
[code]
<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
     <persistence-unit name="titan_cruises_pu">
          <jta-data-source>titan_cruises_ds</jta-data-source>
     </persistence-unit>
</persistence>
[/code]
After that I created the Entity named "Cabin" and the corresponding table within the db.
Entity code:
[code]
package de.collogia.beans.pojo.ship;
import java.io.IOException;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
This persisted POJO class models the cabin data.
<p>
In this class persistence annotations are placed on the getter methods
of the attributes. This tells the persistence manager to access them
via the corresponding get- and set-Methods.</p>
(Unfortunately this does not work on NetWeaver and I had to place them
on field level aggain...)
@author Henning Malzahn ([email protected])
svn-revision:         $Rev:: 670                                           $:
svn-lasted-edited-by: $Author:: henning                                    $:
svn-last-changed:     $Date:: 2007-02-21 21:49:51 +0100 (Wed, 21 Feb 2007) $:
@Entity
@Table(name = "cabin")
public class Cabin implements Serializable {
    /** The generated serial version UID used for serialization. */
    private static final long serialVersionUID = -8522497314498903378L;
    /** The actual version number of this class used for serialization. */
    private static int actualVersion = 1;
    /** The cabin's id. */
    @Id
    @GeneratedValue
    @Column(name = "id")
    private long id;
    /** The cabin's name */
    @Column(name = "name")
    private String name;
    /** The cabin's deck level */
    @Column(name = "deck_level")
    private int deckLevel;
    /** The cabin's ship id */
    @Column(name = "ship_id")
    private int shipId;
    /** The cabin's bed count */
    @Column(name="bed_count")
    private int bedCount;
/---- Serialization/ Deserialization methods -/
Method that is responsible for deserialization of the object.
@param in The <code>ObjectInputStream</code> object to read
          the data from.
@throws IOException That may occur when reading from the
                    <code>ObjectInputStream</code> object
@throws ClassNotFoundException That may occur when invoking the default
                               deserialization mechanism.
    private void readObject(final java.io.ObjectInputStream in)
        throws IOException, ClassNotFoundException {
        /* Invoke default deserialization mechanism. */
        in.defaultReadObject();
        /* Read the actual version number of the class. */
        actualVersion = in.readInt();
    } // End of readObject()
Method that is responsible for serialization of the object.
@param out The <code>ObjectOutputStream</code> object to write
           the data to.
@throws IOException That may occur when writing to the
                    <code>ObjectOutputStream</code> object.
    private void writeObject(final java.io.ObjectOutputStream out)
        throws IOException {
        /* Invoke default serialization mechanism. */
        out.defaultWriteObject();
        /* Write the actual version number of the class. */
        out.writeInt(actualVersion);
    } // End of writeObject()
/---- Defining constructors -/
Private default constructor.
    private Cabin() {
    } // End of default constructor
Full constructor.
@param name The cabin's name.
@param deckLevel The cabin's deck level.
@param shipId The cabin's ship id.
@param bedCount The cabin's bed count.
    public Cabin(final String name,
                 final int deckLevel,
                 final int shipId,
                 final int bedCount) {
        this.name = name;
        this.deckLevel = deckLevel;
        this.shipId = shipId;
        this.bedCount = bedCount;
    } // End of full constructor
/---- Overridden class methods -/
Returns a string representation of the cabin's data.
@see java.lang.Object#toString()
    @Override
    public String toString() {
        StringBuffer strBuf = new StringBuffer();
        strBuf.append(this.name);
        strBuf.append("\n");
        strBuf.append(this.deckLevel);
        strBuf.append("\n");
        strBuf.append(this.shipId);
        strBuf.append("\n");
        strBuf.append(this.bedCount);
        return strBuf.toString();
    } // End of toString()
/---- Defining instance methods -/
Get method for the member "<code>id</code>".
@return Returns the id.
    public long getId() {
        return this.id;
Set method for the member "<code>id</code>".
HTDODO hm: Check whether it is possible to have setId method
using private accesss level with NetWeaver JPA-Provider!
@param id The id to set.
    private void setId(final long id) {
        this.id = id;
Get method for the member "<code>name</code>".
@return Returns the name.
    public String getName() {
        return this.name;
Set method for the member "<code>name</code>".
@param name The name to set.
    public void setName(final String name) {
        this.name = name;
Get method for the member "<code>deckLevel</code>".
@return Returns the deckLevel.
    public int getDeckLevel() {
        return this.deckLevel;
Set method for the member "<code>deckLevel</code>".
@param deckLevel The deckLevel to set.
    public void setDeckLevel(final int deckLevel) {
        this.deckLevel = deckLevel;
Get method for the member "<code>shipId</code>".
@return Returns the shipId.
    public int getShipId() {
        return this.shipId;
Set method for the member "<code>shipId</code>".
@param shipId The shipId to set.
    public void setShipId(final int shipId) {
        this.shipId = shipId;
Get method for the member "<code>bedCount</code>".
@return Returns the bedCount.
    public int getBedCount() {
        return this.bedCount;
Set method for the member "<code>bedCount</code>".
@param bedCount The bedCount to set.
    public void setBedCount(final int bedCount) {
        this.bedCount = bedCount;
} // End of class Cabin
[/code]
After that I created the TravelAgentBean, a Stateless Session Bean, implementing
a remote interface that allows construction and persisting of new Cabin objects:
[code]
package de.collogia.beans.session.stateless;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import de.collogia.beans.pojo.ship.Cabin;
Class that implements the <code>TravelAgentRemote</code> interface
and defines the business methods of the TravelAgent service.
@author Henning Malzahn ([email protected])
svn-revision:         $Rev:: 670                                           $:
svn-lasted-edited-by: $Author:: henning                                    $:
svn-last-changed:     $Date:: 2007-02-21 21:49:51 +0100 (Wed, 21 Feb 2007) $:
@Stateless
public class TravelAgentBean implements TravelAgentRemote {
    /** The <code>Log</code> object for this class. */
//    private static final Log LOGGER;
    /** The <code>PersistenceManager</code> object. */
    @PersistenceContext(unitName = "titan_cruises_pu")
    EntityManager em;
/---- Static initializer -/
//    static {
//        LOGGER = LogFactory.getLog(TravelAgentBean.class);
//    } // End of static initializer block
/---- Implementing remote interface methods -/
{@inheritDoc}
    public void createCabin(final Cabin cabin) {
        this.em.persist(cabin);
    } // End of createCabin()
} // End of class TravelAgentBean
[/code]
After that I created a Controller class containing a main method that looks up the remote
interface of the TravelAgentBena like explained in document "Accessing Enterprise JavaBeans Using JNDI
in SAP NetWeaver Application Server, Java EE 5 Edition" written by Validimir Pavlov of SAP NetWeaver
development team.
Unfortunately I receive an Exception after invoking the createCabin(...) method.
On the console of the NWDS I receive:
[code]
javax.ejb.EJBException: Exception in getMethodReady() for stateless bean sap.com/test2Earannotation|test2Ejb.jarannotation|TravelAgentBean;
nested exception is: com.sap.engine.services.ejb3.util.pool.PoolException: javax.ejb.EJBException: Cannot perform injection over bean instance
Caused by: java.lang.RuntimeException: The persistence unit is inconsistent:
The entity >>de.collogia.beans.pojo.ship.Cabin<< is mapped to the table >>cabin<<, which does not exist.
[/code]
But if I look at the log file located in "C:\NWAS_JAVAEE5\JP1\JC00\j2ee\cluster\server0\log\defaultTrace.0.trc"
I see the real reason is:
[code]
[EXCEPTION]
#6#1064#42000#You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax
to use near '"cabin"' at line 1#collnx02.collogia.de:3306:null:practise_titan_cruises#select * from "cabin"#com.mysql.jdbc.exceptions.MySQLSyntaxErrorException:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '"cabin"' at line 1
     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2870)
     at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
     at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
     at com.mysql.jdbc.Connection.execSQL(Connection.java:3124)
     at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1149)
     at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1262)
     at com.sap.sql.jdbc.basic.BasicPreparedStatement.executeQuery(BasicPreparedStatement.java:99)
     at com.sap.sql.jdbc.direct.DirectPreparedStatement.executeQuery(DirectPreparedStatement.java:307)
     at com.sap.sql.jdbc.direct.DirectPreparedStatement.executeQuery(DirectPreparedStatement.java:264)
     at com.sap.engine.services.dbpool.wrappers.PreparedStatementWrapper.executeQuery(PreparedStatementWrapper.java:274)
[/code]
My goodness - what a long post - sorry for this - I hope I provided all information
necessary to deal with the issue.
Am I thinking in the right direction to blame attribute [code]<sql-engine>native_sql</sql-engine>[/code]
of file data-sources.xml for the beaviour? Are there any other argument options than native_sql?
Thanks in Advance!
Henning Malzahn

Hi Henning,
> Despite the fact it's working now I have to do some
> changes to my code currently
> developed using JBoss/ Hibernate combination.
> Hibernate allows you to have the
> default no-arg constructor with private visibility -
> any special reason for the fact that
> only protected is allowed on NetWeaver?
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>
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>
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Any qucik help will be graetly appreciated

In OBI there are three layers - Physical, Business Model and Mapping (BMM) and Presentation.
As the name specifies the Physical layer mainly contain physical aspect of the application like which connection to use, which schema (also catalog in case of SQL server) to connect and also which table to use. This layer confirms the PK_FK joins for the related tables. This layer mainly depicts how the data has been stored in the database layer.
On top of this layer you will have you BMM layer. The place where all work of a developer starts. You will structure the tables accourding to the business need. The structure has to be a STAR schema. All the entities in this layer are called logical because they do not directly represent any database object rather they provides a logical mapping to the database entities. This becomes clear when you use more that one Logical Table Source (LTS) for your logical tables. One logical column can map to N number of physical columns based on context. You can also create calculative columns in this layer which are totaly logical in nature.
I am not writing anything on Presentation layer as it is not in you question. :)
Hope this will help.
Regards,
Somnath

Data warehouse Admin Console - MySQL Physical Data Source

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