Retrieving image from database?

Hi there,
I am a newbie in java and i use MySql as my database. My problem is, how can i retrieve an image from my database and display it to a container(JLabel, JTextArea etc...)??
If you dont mind could you please give me a "simple" sample code for this one.. Thank you and God Bless :-)

[http://forums.sun.com/thread.jspa?threadID=5346264]
These links were really funny............but I think s/he forgot to mark the topic as question as it was first post.....

Similar Messages

  • Retrieving image from database in form 6i

    hello all
    i'm working on form 6i...
    i have uploded images into the database of customers in my application using READ_IMAGE_FILE.. IT IS FINE...
    But when i am trying retrieves records into the form.... i'm getting all the data except image... Image field is showing empty..
    How can i get image from database to form
    can u plz help me.....
    thanks

    What data type you used for storing image in database. If it is long raw, then you can place an image item within your data block on form and associate it with the column name. This should populate the image by itself.
    Below para is from Forms Help.
    Image items can be populated in the following ways:
    +1. a fetch from a LONG RAW database column+
    An image item in a data block is populated automatically when the end user or the application executes a query in the block.  When a fetched image is modified or replaced, Form Builder marks that record as Changed, and the next commit operation saves the new image to the corresponding LONG RAW column in the database.
    Note:  You cannot write a SELECT statement to select a LONG RAW value INTO an image item.
    +2. executing the READ_IMAGE_FILE built-in to read an image from the file system+
    +(To dynamically write an image from an image item out to a file, use the built-in procedure WRITE_IMAGE_FILE.)+

  • Unable retrieve image from database

    Hi,
    I'm using Mysql-database with blob column. I'm trying to show one image on the page. Now I only get red cross, not image.
    I followed advices by jprazak:http://swforum.sun.com/jive/thread.jspa?threadID=47085&tstart=0
    I changed code for my purpose.
    import java.io.IOException;
    import java.sql.Connection;
    import java.sql.ResultSet;
    import java.sql.Statement;
    import javax.servlet.ServletConfig;
    import javax.servlet.ServletException;
    import javax.servlet.ServletOutputStream;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    * DisplayPicture.java
    public class DisplayPicture extends HttpServlet {
    private final String dbUrl="jdbc:mysql://localhost/pictures";
    private final String dbUser="read";
    private final String dbPassword="public";
    /** Creates a new instance of DisplayPicture */
    public DisplayPicture() {
    public void init(ServletConfig config) throws ServletException {
    super.init(config);
    public void destroy() {
    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String id = request.getParameter("imageid");
    String ct = request.getParameter("contenttype");
    if((ct==null)||(ct.equals(""))) {
    ct = "image/x-jpg";
    System.out.println(("Now displaying image with ID: "+id);
    try {
    ServletOutputStream out = response.getOutputStream();
    response.setContentType(ct);
    out.write(this.getImage(id));
    }catch(Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    processRequest(request, response);
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    processRequest(request, response);
    public String getServletInfo() {
    return "Displays a picture from the database identified by a parameter IMAGEID";;
    private byte[] getImage(String id) {
    Statement sta = null;
    Connection con = null;
    ResultSet rs = null;
    byte[] result = null;
    try {
    java.lang.Class.forName("org.gjt.mm.mysql.Driver");
    con = java.sql.DriverManager.getConnection(dbUrl,dbUser,dbPassword);
    sta = con.createStatement();
    rs = sta.executeQuery("SELECT IMAGE FROM IMAGES WHERE IMAGEID="+id);
    if(rs.next()) {
    result = rs.getBytes("IMAGE");
    }else {
    System.out.println("Could find image with the ID specified or there is a problem with the database connection"););
    rs.close();
    sta.close();
    con.close();
    }catch(Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
    return result;
    Then I add to file web.xml
    <servlet>
    <servlet-name>DisplayPicture</servlet-name>
    <servlet-class>DisplayPicture</servlet-class>
    </servlet>
    <servlet-mapping>
    <servlet-name>DisplayPicture</servlet-name>
    <url-pattern>/servlets/DisplayPicture</url-pattern>
    </servlet-mapping>
    And image-component to the page, url-value:
    http://localhost:18080/application_name/servlets/DisplayPicture?imageid=1
    I get no errors. What is wrong with this code?
    Thanks

    If I select DEMO_BLOB and BLOBCOL from servers window, I can see in properties window:
    SQL Type BLOB
    Type Name BLOB
    If I select IMAGE column from mysql-table and I can see in properties window this:
    SQL Type LONGVARBINARY
    Type Name longblob
    Could this SQL Type difference be the reason why I can't get images from mysql to the page?

  • How to store and retrieve images from database...

    Hi All
    Anubody tell me plz how to store images in database using jsp.
    and how to retrieve tme.
    Plz reply...
    Anurag

    Exactly
    try the links below may be those might help u in store and retrieval any kind of file.
    http://www.mysqltalk.org/insert-blob-example-vt112861.html
    https://java.sun.com/j2se/1.5.0/docs/guide/jdbc/blob.html
    http://javaalmanac.com/egs/java.sql/GetBlob.html
    http://publib.boulder.ibm.com/infocenter/idshelp/v10/index.jsp?topic=/com.ibm.jdbc.doc/jdbc142.htm
    and a dearly advice friend please query google b4 you post any query out here.

  • Retrieve image from database to non-database item

    Hello
    I need to load in a non database item, a image stored in a long raw field in the database.
    The READ_IMAGE_FILE works fine to read from a file and to save the image in the database, but how I load the image in a block in a non database item?
    Any suggestions???
    Thanks!!!

    Hi, thanks for your comments...
    I need to display in non-db-items because I have a form that dynamically fills an matrix of items from various tables. For example one data is on the table A, another data in table B and image is stored in the table C.
    A process dynamically obtains each data where needed and fill the matrix based in a previous criteria.
    Possibly this management can be adapted so that the image is read into db-items in my form, however I would like to know if there is a simpler way to do that, without having to change my code.
    Thanks!

  • Using Java to Retrieve Images from Oracle

    OracleResultSet.getCustomDatum method is deprecated. I was using this method to retrieve an ORDImage from an Oracle 9i database. What are developers using instead of getCustomDatum to retrieve images from the database. Thanks for all help in this matter.

    Hi use getBinaryStream(java.lang.String) or getBinaryStream(int) of java.sql.ResultSet for retrieving images from database
    Hope it will be useful
    regards
    chandru

  • How to retrieve am image from database

    hi ,
    i hav a requirement that, i hav to store and retrive an image from database(postgresql)and palce it on JLabel.i successfully stored an image into database .while retrieving an image from database im not getting the image .please any one can help me how to retrieve an image and place it in JLabel.
    This the code for inserting an image:
    Class.forName("org.postgresql.Driver");
    Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:port/database", "username", "pwd");
    System.out.println("Connection established");
    String INSERT_PICTURE = "insert into imagedata(imageid,data) values (?, ?)";
    FileInputStream fis = null;
    PreparedStatement ps = null;
    try {
    conn.setAutoCommit(false);
    File file = new File("photo.jpg");
    fis = new FileInputStream(file);
    ps = conn.prepareStatement(INSERT_PICTURE);
    ps.setInt(1, 2);
    ps.setBinaryStream(2, fis, (int) file.length());
    ps.executeUpdate();
    conn.commit();
    catch(Exception ex)
    ex.printStackTrace();
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    fis.close();This is the code for retrieve an image :
    Class.forName("org.postgresql.Driver");
    Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:port/database", "username", "pwd");
    byte[] imgbytes = null;
    String INSERT_PICTURE = "select imageid,data from imagedata ";
    Statement stmt=(Statement) conn.createStatement();
    try {
    ResultSet rs=stmt.executeQuery(INSERT_PICTURE);
    while(rs.next())
    System.out.println(rs.getString(1));
    InputStream file=rs.getBinaryStream(2);
    System.out.println("FILE : "+file);
    catch(SQLException a)
    finally {
    stmt.close();please anyone can help meee
    thanks

    You basically save a File to the database, so you can just re-write the data from the file back temporarily and load it into the application using the ImageIO class
    // create necessary connection and statement objects
    // retrieve image column
    ResultSet rs = stmt.executeQuery("SELECT Image FROM dataTable");
    rs.next();
    Blob imageData = rs.getBlob("Image");
    if( imageData != null ) {
        try {
            File tmpFile = new File("tmpImage");
            FileOutputStream fos = new FileOutputStream(tmpFile);
                fos.write( imageData.getBytes(1L, (int)imageData.length()) );
                fos.close();
            tmpFile.deleteOnExit();
            ImageIcon icon = new ImageIcon( ImageIO.read(tmpFile) );   
            JOptionPane.showMessageDialog(null, icon);
        } catch(IOException ioe) {
            ioe.printStackTrace();
            JOptionPane.showMessageDialog(null, "Failed To Load Image Data", "Load Error",
                    JOptionPane.ERROR_MESSAGE);
    }ICE

  • Retrieve multiple images from database to servlet

    Hi there,
    I try to retrieve more than one images from database to Servlet/JSP . However, I get only one images in the result set. Here is my code. Please Help .
    How do I display more than one images ( multiple rows ) from database to Servlet ?.
    When I retrieve, I got 3 rows of binary data, but I don't know how to display it on the Servlet/JSP pages.
    import javax.servlet.*;
    import javax.servlet.http.*;
    import java.io.*;
    import java.util.*;
    import java.lang.*;
    import java.sql.*;
    import com.sybase.jdbcx.*;
    public class RetrievePhoto extends HttpServlet {
    static ResultSet rs;
    static CallableStatement NGSstmt = null;
    static Connection NGScon = null;
    static SybDriver _driver = null;
    public void doGet(HttpServletRequest req, HttpServletResponse res) throws
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    ServletOutputStream os = res.getOutputStream();
    String driver = ""
    String URL = "";
    String Host = "";
    String UN = ""; //assign your username here
    String PW = ""; //assign your password here
    try {
    Class c = Class.forName( driver );
    _driver = (SybDriver) c.newInstance();
    DriverManager.registerDriver( (SybDriver) _driver );
    NGScon = DriverManager.getConnection( URL + Host, UN, PW );
    } catch ( SQLException e ) {
    os.println( "Unable to load the Sybase JDBC driver. " + e.toString() );
    e.printStackTrace(System.out);
    } catch (java.lang.Exception ex) {
    // Got some other type of exception. Dump it.
    os.println("Exception - java lang " + ex.getMessage() );
    String PID = req.getParameter("PID"); //passing parameters from Servlet
    try {
    String SQLcmd = "{call RET_PHOTO_BY_PID(?)}";
    NGSstmt = NGScon.prepareCall( SQLcmd );
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    synchronized (NGSIDBstmt)
    NGSstmt.setString(1, PID); //passing parameter to store procedure
    rs = NGSstmt.executeQuery();
    byte[] stuff = new byte[1024];
    int bytesRead = 0;
    res.setContentType("image/gif");
    InputStream is = null;
    // Get the first row
    while( rs.next() ) {
    is = rs.getBinaryStream("PHOTO");
    res.setContentLength(is.available());
    for (int i=0;; i++) {
    bytesRead = is.read(stuff);
    os.write(stuff);
    if ( bytesRead == -1 ) break;
    rs.close();
    os.flush();
    os.close(); //close outputstream
    } catch ( SQLException sqle) {
    os.println("Error in SQL2Exception" + sqle.getMessage());

    When I retrieve, I got 3 rows of binary data, but I don't know how to display it on the Servlet/JSP pages.I will pick this bit of your post, because you seemed to have several partly-overlapping questions.
    You are going about this wrong. You need to decide what your HTML will look like before you start writing servlet code. In this case you want to have something like a table, with an image in each row, right? Now what does the HTML for that look like? It's a <table> element, and so on, but what about the images? Well this is HTML, so it can't contain the binary images. It has to contains links to the images, and the browser will download the image from each of those links and put all of the downloads together into the page it displays.
    That means you can't do it all with one servlet. You need a main servlet that generates the HTML, with the <table> element and the links to the images. Probably you need some DB calls here to find out how many images you're going to have, but you don't need to get them in this servlet. You just need to generate a link for each of them.
    Then you need a second servlet that gets an image. It's going to get a single row from the DB and return the binary image you read from that row. Make sure to use "image/jpg" or whatever's appropriate instead of "text/html" in your response's content type here.
    I will leave you to carry on from here. First step is to design the HTML that your main servlet will produce; remember that the links it generates need to carry enough information for the second servlet to be able to find the right image in the DB.
    PC&#178;

  • Retrieve image from my sql database using jsp

    I want to retrieve image from my sql (blob type) & save it in given relative path in server .(using jsp and servlets)
    please give me some sample codes.

    PreparedStatement pst = null;
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    rs=pst.executeQuery();
    while(rs.next())
                                byte[] b=rs.getBytes("image");
                                FileOutputStream fos=new FileOutputStream("c://image.jpg");
                                fos.write(b);
                            } hi this the code to retrieve the image from DB and write to a file.

  • Error while getting  image from database in SUP using ios?

    Hi All,
      Im developing native iOS application using sup 2.1.3 . Im getting error While retrieving  image from SUP database. Here i'm trying to get image from database and show in imageView.can any one help me how to fix this issue?
    In database image datatype is  'LONG Binary' .
    My table Schema:
    CREATE TABLE dba.ImagesTable (
    RowID INT NOT NULL,
    ImageName VARCHAR(20) NOT NULL,
    PhotoData LONG BINARY NOT NULL,
    IN SYSTEM
    ALTER TABLE dba.ImagesTable
      ADD CONSTRAINT ASA137 PRIMARY KEY CLUSTERED (RowID)
    ALTER TABLE dba.ImagesTable
      ADD CONSTRAINT ASA138 UNIQUE NONCLUSTERED (RowID)
    in Xcode:
                [SUP107SUP107DB synchronize];
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                SUP107ImagesTable * oneRecord =[list objectAtIndex:0];
                NSLog(@"rowId:%d---imageName:%@---photoData:%@---photoLenght:%d",oneRecord.rowID,oneRecord.imageName,oneRecord.photoData,oneRecord.photoDataLength);
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                SUPBigBinary *responseBinaryData = (SUPBigBinary *)oneRecord.photoData.value;
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                    [responseBinaryData openForWrite:[oneRecord.photoData length]];
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    2014-04-02 18:42:15.150 SUP102[2873:70b] rowId:1---imageName:Apple---photoData:SUPBigBinary: column=c pending=1 allow_pending_state=1 table=sup107_1_0_imagestable mbo=0x0 key=(null) ---photoLenght:90656
    Printing description of responseBinaryData:
    <OS_dispatch_data: data[0xc891b40] = { leaf, size = 90656, buf = 0x1213a000 }>
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    2014-04-02 18:42:33.305 SUP102[2873:70b] exception: -[OS_dispatch_data openForWrite:]: unrecognized selector sent to instance 0xc891b40
    2014-04-02 18:42:33.305 SUP102[2873:70b] -[OS_dispatch_data close]: unrecognized selector sent to instance 0xc891b40
    2014-04-02 18:42:33.306 SUP102[2873:70b] [ERROR] [AppDelegate.m:497] NSInvalidArgumentException: -[OS_dispatch_data close]: unrecognized selector sent to instance 0xc891b40

    This thread talks about uploading image to SAP from a IOS device,Sending Image to SAP via iOS Native app (SUP 2.1.3)
    Midhun VP

  • Retriving an Image From Database

    Hi friends i tried to retrieve an image from database and get some sample code from one website and try to run. But an error will be displayed please help me..... this is the code............
    * To change this template, choose Tools | Templates
    * and open the template in the editor.
    import java.io.*;
    import java.sql.*;
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    Connection con = null;
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    ResultSet res = null;
    StringBuffer query=null;
    String driverName = "sun.jdbc.odbc.JdbcOdbcDriver";
    String url = "jdbc:odbc:image";;
    public GetBlob(){
    try{
    Class.forName(driverName);
    con = DriverManager.getConnection(url);
    stmt=con.createStatement();
    ResultSet rs=stmt.executeQuery("SELECT * FROM save_image where id="+"1"+"");
    if (rs.next()) {
    System.out.println(rs.getString(2));
    Blob test=rs.getBlob("image");
    InputStream x=test.getBinaryStream();
    int size=x.available();
    OutputStream out=new FileOutputStream("C:\\anu.jpg");
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    x.read(b);
    out.write(b);
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    Use a real database and a real driver. MS Access and ODBC bridge aren't.

  • Question on retrieve image from mysql

    i want to retrieve image from mysql database and display on GUI
    can anyone tell me how to do
    Thank you

    You can use the JDBC API for Java Database Connectivity. With this you can obtain data from the database using Java. There is an excellent tutorial here at Sun.com: http://www.google.com/search?q=jdbc+tutorial+site:sun.com You can get the MySQL JDBC driver at their own site: http://www.google.com/search?q=download+jdbc+driver+site:mysql.com Get the most recent version which suits your environment. There is also good documentation available over there.
    For displaying in the UI, the approach differs per UI. As you didn't mention which UI you are using, I can't help you further in detail.

  • RE: Images from Database into W

    I've found that a good way to store images was not in the database, but
    in files on the server in GIF format and then store the filenames in the
    database. That way you avoid the BinaryData mess, the cursor
    requirement for blobs, and can store in a compressed form..
    You just have the service read in the image from the data file and pass
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    -Greg
    Greg Nyberg, Senior Consultant
    BORN Information Services Group
    (612) 404-4217 Fax: (612) 404-4440
    <[email protected]>
    From: Brendan Duddridge[SMTP:[email protected]]
    Sent: Monday, April 28, 1997 12:28 PM
    To: Forte ListServe
    Subject: Images from Database into W
    TransCanada PipeLines P.O. Box
    1000, Station
    M
    Calgary,
    Alberta, T2P
    4K5
    Telephone:
    (403)
    267-6100
    FAX: (403)
    267-6444/5/6
    Corporate Head Office
    Reply: Images from Database into Web SDK 1.1 page
    Hi,
    I want to be able to read images in from a database and have Forte
    generate a web page with those images.
    Does anyone know what the MIME type would be for a Forte ImageData
    object? Do I have to store the images into the database in gif format
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    =============================================================
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    LUIObject_ID : Integer;
    LUIObject_TD : TextData = new();
    aLUIObject : LUIObject;
    aBinaryData : BinaryData = new();
    aStream : MemoryStream = new();
    // Retrieve LUIObject_ID from http parameters
    LUIObject_TD = pRequest.FindNameValue('LUIObject_ID');
    LUIObject_ID = LUIObject_TD.IntegerValue;
    // Retrieve aLUIObject for the specified LUIObject_ID from the
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    // This object contains various ImageData attributes which contain the
    // icons to display on the web page.
    aLUIObject = SODIInfraSOMgrSO.SelectLUIObject(LUIObject_ID);
    aBinaryData.SetAllocatedSize(aLUIObject.ClosedLargeIconSize);
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    aStream.WriteSerialized(object=aLUIObject.ClosedLargeIcon);
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    aStream.ReadBinary(target = aBinaryData);
    // Not sure what MIME type to specify here for ImageData objects
    // read in from a database. Any ideas??????????
    Response.AssignBinaryResponse(aBinaryData, 'image/x-bitmap');
    return Response;
    ===============================================================
    Thanks,
    Brendan Duddridge

    Hello Denis Segard,
    I also try the same method and I use OLE container to store the images into database in Oracle forms 6i.
    But, if i try to retrieve the images in report i got that error.
    Anyway i store the images into the database but why i shouldn't retrieve it in reports and i can retrieve the images in forms
    Is there any problem in my design.
    Is there any other easy way to store the images into database in oracle forms 6i...
    Waiting 4 ur reply!!!!!!!!
    Edited by: Janarthan on Aug 19, 2011 12:36 AM
    Edited by: Janarthan on Aug 19, 2011 12:39 AM

  • Not able to download image from database

    not able to download image from database am in jdeveloper 11g release 2 am using this example
    : http://tompeez.wordpress.com/2011/11/26/jdev11-1-2-1-0-handling-imagesfiles-in-adf-part-2/
    hi am not able to down load my image my jsp xml is
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    <jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:f="http://java.sun.com/jsf/core"
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    </af:panelStretchLayout>
    </af:panelHeader>
    </f:facet>
    <f:facet name="center">
    <!-- id="af_one_column_header_stretched" -->
    <af:decorativeBox theme="dark" id="db1" inlineStyle="width:1050px; background-color:Navy;">
    <f:facet name="center">
    <af:panelGroupLayout layout="scroll" id="pgl3" inlineStyle="background-color:Navy;">
    <af:panelStretchLayout id="psl3" inlineStyle="width:1012px; height:502px;"
    topHeight="133px" startWidth="0px">
    <f:facet name="center">
    <af:panelStretchLayout id="psl5" endWidth="659px" startWidth="171px">
    <f:facet name="center"/>
    <f:facet name="start"/>
    <f:facet name="end">
    <af:panelGroupLayout layout="scroll" id="pgl2">
    <af:inputFile label="Select Image" id="if1" autoSubmit="true"
    valueChangeListener="#{ImageBean.uploadFileValueChangeEvent}"/>
    <af:commandButton actionListener="#{bindings.CreateInsert.execute}"
    text="Restart Load Image Process"
    disabled="#{!bindings.CreateInsert.enabled}"
    id="cb2"/>
    <af:commandButton actionListener="#{bindings.Commit.execute}"
    text="Save"
    disabled="#{!bindings.Commit.enabled}"
    id="cb3"/>
    <af:commandButton text="View" id="cb1"
    partialSubmit="true"
    unsecure="#{ImageBean.downloadButton}"
    action="#{image.downloadImage}"
    binding="#{image2.downloadButton}"/>
    </af:panelGroupLayout>
    </f:facet>
    <f:facet name="top"/>
    </af:panelStretchLayout>
    </f:facet>
    <f:facet name="start"/>
    <f:facet name="top">
    <af:panelStretchLayout id="psl4" startWidth="232px" endWidth="296px"
    bottomHeight="18px" topHeight="11px">
    <f:facet name="bottom"/>
    <f:facet name="center"/>
    <f:facet name="start">
    <af:panelFormLayout id="pfl1" labelAlignment="top">
    <f:facet name="footer"/>
    <af:inputText label="File from PC to be Transfered" id="it4"/>
    </af:panelFormLayout>
    </f:facet>
    <f:facet name="end">
    <af:panelFormLayout id="pfl2" labelAlignment="top" maxColumns="10">
    <f:facet name="footer">
    <af:inputText value="#{bindings.DocumentName.inputValue}"
    label="File Transfered to Database"
    required="#{bindings.DocumentName.hints.mandatory}"
    columns="50"
    rows="1"
    maximumLength="#{bindings.DocumentName.hints.precision}"
    shortDesc="#{bindings.DocumentName.hints.tooltip}"
    id="it5" simple="false">
    <f:validator binding="#{bindings.DocumentName.validator}"/>
    </af:inputText>
    </f:facet>
    </af:panelFormLayout>
    </f:facet>
    <f:facet name="top"/>
    </af:panelStretchLayout>
    </f:facet>
    </af:panelStretchLayout>
    </af:panelGroupLayout>
    </f:facet>
    </af:decorativeBox>
    </f:facet>
    </af:panelStretchLayout>
    </af:form>
    </af:document>
    </f:view>
    </jsp:root>
    and my log file is
    <ViewHandlerImpl> <_checkTimestamp> Apache Trinidad is running with time-stamp checking enabled. This should not be used in a production environment. See the org.apache.myfaces.trinidad.CHECK_FILE_MODIFICATION property in WEB-INF/web.xml
    <UIXEditableValue> <_isBeanValidationAvailable> A Bean Validation provider is not present, therefore bean validation is disabled
    the method am calling is
        public BlobDomain downloadImage() {
            FacesContext facesContext = null;
            OutputStream outputStream = null;
            BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
            // get an ADF attributevalue from the ADF page definitions
            AttributeBinding attr = (AttributeBinding)bindings.getControlBinding("Documentimage");
            if (attr == null) {
                return null;
            // the value is a BlobDomain data type
            BlobDomain blob = (BlobDomain)attr.getInputValue();
            try { // copy hte data from the BlobDomain to the output stream
                IOUtils.copy(blob.getInputStream(), outputStream);
                // cloase the blob to release the recources
                blob.closeInputStream();
                // flush the outout stream
                outputStream.flush();
            } catch (IOException e) {
                // handle errors
                e.printStackTrace();
                FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR, e.getMessage(), "");
                FacesContext.getCurrentInstance().addMessage(null, msg);
            return blob;
        }i get this error when clicking the button
    error when not able to download image
    <BeanHandler> <getStructure> Failed to build StructureDefinition for : sms4200.ImageBean
    <UIXEditableValue> <_isBeanValidationAvailable> A Bean Validation provider is not present, therefore bean validation is disabled
    Edited by: Tshifhiwa on 2012/06/03 10:53 AM
    Edited by: Tshifhiwa on 2012/06/03 10:56 AM
    Edited by: Tshifhiwa on 2012/06/03 10:57 AM

    hi i try to run your sample am geting this error
    Error 500--Internal Server Error
    oracle.jbo.DMLException: JBO-27200: JNDI failure. Unable to lookup Data Source at context jdbc/HRDS
         at oracle.jbo.server.DBTransactionImpl.lookupDataSource(DBTransactionImpl.java:1453)
         at oracle.jbo.server.DBTransactionImpl2.connectToDataSource(DBTransactionImpl2.java:329)
         at oracle.jbo.common.ampool.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:203)
         at oracle.jbo.server.ApplicationPoolMessageHandler.doPoolConnect(ApplicationPoolMessageHandler.java:600)
         at oracle.jbo.server.ApplicationPoolMessageHandler.doPoolMessage(ApplicationPoolMessageHandler.java:417)
         at oracle.jbo.server.ApplicationModuleImpl.doPoolMessage(ApplicationModuleImpl.java:8972)
         at oracle.jbo.common.ampool.ApplicationPoolImpl.sendPoolMessage(ApplicationPoolImpl.java:4606)
         at oracle.jbo.common.ampool.ApplicationPoolImpl.prepareApplicationModule(ApplicationPoolImpl.java:2536)
         at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:2346)
         at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:3245)
         at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:571)
         at oracle.jbo.http.HttpSessionCookieImpl.useApplicationModule(HttpSessionCookieImpl.java:234)
         at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:504)
         at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:499)
         at oracle.adf.model.bc4j.DCJboDataControl.initializeApplicationModule(DCJboDataControl.java:517)
         at oracle.adf.model.bc4j.DCJboDataControl.getApplicationModule(DCJboDataControl.java:867)
         at oracle.adf.model.binding.DCDataControl.setErrorHandler(DCDataControl.java:487)
         at oracle.jbo.uicli.binding.JUApplication.setErrorHandler(JUApplication.java:261)
         at oracle.adf.model.BindingContext.put(BindingContext.java:1318)
         at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:247)
         at oracle.adf.model.BindingContext.instantiateDataControl(BindingContext.java:1020)
         at oracle.adf.model.dcframe.DataControlFrameImpl.doFindDataControl(DataControlFrameImpl.java:1645)
         at oracle.adf.model.dcframe.DataControlFrameImpl.internalFindDataControl(DataControlFrameImpl.java:1514)
         at oracle.adf.model.dcframe.DataControlFrameImpl.findDataControl(DataControlFrameImpl.java:1474)
         at oracle.adf.model.BindingContext.internalFindDataControl(BindingContext.java:1150)
         at oracle.adf.model.BindingContext.get(BindingContext.java:1103)
         at oracle.adf.model.binding.DCParameter.evaluateValue(DCParameter.java:82)
         at oracle.adf.model.binding.DCParameter.getValue(DCParameter.java:111)
         at oracle.adf.model.binding.DCBindingContainer.getChildByName(DCBindingContainer.java:2748)
         at oracle.adf.model.binding.DCBindingContainer.internalGet(DCBindingContainer.java:2796)
         at oracle.adf.model.binding.DCExecutableBinding.get(DCExecutableBinding.java:115)
         at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:329)
         at oracle.adf.model.binding.DCBindingContainer.evaluateParameterWithElCheck(DCBindingContainer.java:1478)
         at oracle.adf.model.binding.DCBindingContainer.findDataControl(DCBindingContainer.java:1608)
         at oracle.adf.model.binding.DCIteratorBinding.initDataControl(DCIteratorBinding.java:2542)
         at oracle.adf.model.binding.DCIteratorBinding.getDataControl(DCIteratorBinding.java:2477)
         at oracle.adf.model.binding.DCIteratorBinding.getAttributeDefs(DCIteratorBinding.java:3319)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.fetchAttrDefs(JUCtrlValueBinding.java:514)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDefs(JUCtrlValueBinding.java:465)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDef(JUCtrlValueBinding.java:541)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDef(JUCtrlValueBinding.java:531)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding$1JUAttributeDefHintsMap.(JUCtrlValueBinding.java:4104)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeHintsMap(JUCtrlValueBinding.java:4211)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.getHints(JUCtrlValueBinding.java:2564)
         at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGet(JUCtrlValueBinding.java:2389)
         at oracle.adfinternal.view.faces.model.binding.FacesCtrlAttrsBinding.internalGet(FacesCtrlAttrsBinding.java:275)
         at oracle.adf.model.binding.DCControlBinding.get(DCControlBinding.java:749)
         at javax.el.MapELResolver.getValue(MapELResolver.java:164)
         at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
         at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
         at com.sun.el.parser.AstValue.getValue(Unknown Source)
         at com.sun.el.ValueExpressionImpl.getValue(Unknown Source)
         at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
         at org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:73)
         at oracle.adfinternal.view.faces.renderkit.rich.LabelLayoutRenderer.getLabel(LabelLayoutRenderer.java:929)
         at oracle.adfinternal.view.faces.renderkit.rich.LabelLayoutRenderer.encodeAll(LabelLayoutRenderer.java:213)
         at oracle.adfinternal.view.faces.renderkit.rich.LabeledInputRenderer.encodeAll(LabeledInputRenderer.java:215)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer._encodeFormItem(PanelFormLayoutRenderer.java:1088)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer.access$100(PanelFormLayoutRenderer.java:50)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer$FormColumnEncoder.processComponent(PanelFormLayoutRenderer.java:1604)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer$FormColumnEncoder.processComponent(PanelFormLayoutRenderer.java:1523)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer._encodeChildren(PanelFormLayoutRenderer.java:420)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer.encodeAll(PanelFormLayoutRenderer.java:208)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer._encodeChild(PanelGroupLayoutRenderer.java:447)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.access$1500(PanelGroupLayoutRenderer.java:30)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:734)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer$EncoderCallback.processComponent(PanelGroupLayoutRenderer.java:637)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:360)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:879)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1294)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:351)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:316)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at oracle.adf.view.rich.render.RichRenderer.encodeStretchedChild(RichRenderer.java:2194)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.access$400(RegionRenderer.java:50)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer$ChildEncoderCallback.processComponent(RegionRenderer.java:707)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer$ChildEncoderCallback.processComponent(RegionRenderer.java:692)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
         at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
         at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer._encodeChildren(RegionRenderer.java:297)
         at oracle.adfinternal.view.faces.renderkit.rich.RegionRenderer.encodeAll(RegionRenderer.java:186)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at oracle.adf.view.rich.component.fragment.UIXRegion.encodeEnd(UIXRegion.java:323)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:879)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1294)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:351)
         at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:316)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
         at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
         at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:274)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
         at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
         at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
         at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1277)
         at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
         at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
         at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
         at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1655)
         at oracle.adfinternal.view.faces.component.AdfViewRoot.encodeAll(AdfViewRoot.java:91)
         at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:399)
         at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.renderView(ViewDeclarationLanguageFactoryImpl.java:350)
         at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
         at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:273)
         at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:165)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1027)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:334)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:232)
         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
         at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
         at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
         at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
         at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:122)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
         at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
         at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
         at java.security.AccessController.doPrivileged(Native Method)
         at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
         at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
         at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
         at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
         at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
         at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
         at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
         at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
         at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
         at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
         at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
         at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
         at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
         at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
         at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
    Caused by: javax.naming.NameNotFoundException: While trying to lookup 'jdbc.HRDS' didn't find subcontext 'jdbc'. Resolved ''; remaining name 'jdbc/HRDS'
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