blob « oracle « Java Database Q&A

1. Why I cannot cast oracle BLOB from native java Blob    stackoverflow.com

I am reading file from ResultSet and it's required to save file into Oracle Database.

...
ResultSet rs = ...
java.sql.Blob myfile = rs.getBlob("field")
java.io.OutputStream os = ((oracle.sql.BLOB) myfile).getBinaryOutputStream();

java.lang.ClassCastException

2. How do I write an uploaded file to disk using the Oracle directory alias and BFILE objects?    stackoverflow.com

I have a java webapp which needs to upload files via http and then store them on the server. The files need to be associated with specific records in an Oracle ...

3. Why do I get java.lang.AbstractMethodError when trying to load a blob in the db?    stackoverflow.com

I've got a problem with JDBC. I'have the following code:

//blargeparam is a blob column.
PreparedStatement pst =connection.prepareStatement("update gcp_processparams_log set blargeparam= ? where idprocessparamslog=1");

pst.setBinaryStream(1,inputStream);

Exception in thread "main" java.lang.AbstractMethodError:   ...

4. Can a BFILE locator point to a directory on a different filer?    stackoverflow.com

I have a java web application which needs to upload files and we want to store these files on the filesystem rather than in the database. The database will store the ...

5. Writing a docx file to a BLOB using Java 1.4 inside Oracle 10g    stackoverflow.com

I'm trying to generate a blank docx file using Java, add some text, then write it to a BLOB that I can return to our document processing engine (a custom mess ...

6. How do I place large (or at least nontrivial) BLOBs into Oracle with JDBC?    stackoverflow.com

I'm working on an application to do some batch processing, and want to store the input and output data as files in BLOB fields in an Oracle database. The Oracle version ...

7. problem in load BLOB object in java    stackoverflow.com

Finally I try to insert BLOB objects into my Oracle database, today I try to retrive data from my database & I saw below problem! also I can not open my JPG ...

8. Inserting byte[] array as blob in Oracle Database getting ORA-01460: unimplemented or unreasonable conversion requested    stackoverflow.com

I have a java stored procedure that I am trying to insert a byte[] array into an oracle blob field in a table. I create a prepared statement as follows but ...

9. Oracle Database BLOB to InputStream in Java?    stackoverflow.com

I have made a Java function that takes InputStream as an input! no how I can get the BLOB values into this function? what is the best approach? do I need to re-write ...

10. need to convert oracle blob into a file    coderanch.com

hi all, I need to convert the oracle blob into a file and probably show it on my JSP or html page. blob could be of a jpg, gif, pdf, doc, txt, bmp, etc. what i am doing is uploading a file (using apache DiskFileUpload), then gettin bytes (using fileItem.get()) and store it into DB in a blob field. any suggestions... ...

11. How to insert or take back a file (such as jpg,gif) from BLOB in Oracle    coderanch.com

12. How to insert a file in oracle blob object    coderanch.com

13. storing byte[] in a (oracle)blob    coderanch.com

hello all, i've have again a problem with storing a byte[] in a blob under oracle ... is there a way to store byte[]like this ( or another way any help is great ) ? byte[] bytedata = null; and then storing it with SqlStatement = INSERT INTO BLOB_TABLE (FILENAME,FILESIZE,BLOBDATA) VALUES (?,?,?); insertstatement.setString(1,filename); insertstatement.setInt(2,filesize); insertstatement.setXXX(3,bytedata); int rows = insertstatement.executeUpdate(); insertstatement.close(); i ...

14. blob data, Oracle JDBC    coderanch.com

Sun provides a document that explains how to use binary large objects (blobs) in JDBC http://java.sun.com/j2se/1.4.1/docs/guide/jdbc/blob.html If you plan to use Oracle's JDBC driver, you will discover that Oracle provides a proprietary API for working with the Oracle BLOB column type. Oracle provides a document that explains some of the details "JDBC Developer's Guide and Reference Release 2 (9.2)" In chapter ...

15. BLOB & Oracle    coderanch.com

java.sql.SQLException: ORA-00903: invalid table name at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168) at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208) at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:543) at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1405) at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:822) at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:1446) at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:1371) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1900) at oracle.jdbc.driver.OracleStatement.executeUpdate(OracleStatement.java:693) at weblogic.jdbc.pool.Statement.executeUpdate(Statement.java:872) at weblogic.jdbc.rmi.internal.StatementImpl.executeUpdate(StatementImpl.java:89) at weblogic.jdbc.rmi.SerialStatement.executeUpdate(SerialStatement.java:99) at be.smalsmvm.utils.rdbpersistence.RDBPersistenceDAO.remove(RDBPersistenceDAO.java:114) at be.smalsmvm.utils.rdbpersistence.RDBPersistenceDAO.savePersistent(RDBPersistenceDAO.java:45) at be.smalsmvm.utils.rdbpersistence.FormPersistenceService.saveFormsAndDatas(FormPersistenceService.java:83) at be.smalsmvm.srd.webapp.common.struts.SaveAction.perform(SaveAction.java:143) at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1786) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1585) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:509) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2546) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2260) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

16. Insert file to Oracle's BLOB    coderanch.com

17. Urgent..Pls.. Problem storing BLOB in Oracle    coderanch.com

18. jdbc oracle and blob    coderanch.com

Hello everybody, I'm facing a problem with JDBC and Oracle when trying to insert a file into a blob in the database. Here's how i tried. I create a row in the database using the empty_blob() function to initialize the blob column. I then execute a select for update on that record ... this way Ilock the record and can in ...

19. how to write BLOB type of data from java application into an oracle table    coderanch.com

20. reading BLOB data from oracle    coderanch.com

Rakkesh, The reasons for that is because you are doing multiple things in the same transaction. The row needs to be locked to make sure the data you are retieving is consistent with the data you are adding. Otherwise someone could change things in the middle and leave your data in an inconsistent state. If you were just inserting the BLOB, ...

21. set/getBytes not working well with Oracle 8 BLOB, please help    coderanch.com

Hello, I am trying to store a byte array in an BLOB column. I set it with PreparedStatement.setBytes() and retrieve with ResultSet.getBytes(), and what I put in look nothing like what comes out, even using a simple {0,1,2,3} array for testing. I wrote similar code a few months ago to store serialized Java objects in a MySQL database, and it worked ...

22. Saving XML in Oracle Blob Data type    coderanch.com

23. Error inserting byte[] to Oracle BLOB    coderanch.com

24. inserting blob to oracle    coderanch.com

I am trying to insert blobs for a file to oracle, tried everything nothing working, i found out there are two methods: one is to get a reference to blob in database by getting a result set and then updating the reference to blob by output stream, its not working i don't know why, also this is long way as we ...

25. I CAN insert into Oracle BLOB in one step but...    coderanch.com

26. Inserting data into oracle BLOB through JDBC    coderanch.com

Hi all, I am trying to insert data into oracle BLOB through JDBC. I am able to insert the data using oracle.sql.BLOB which have methods like putBytes() and setBytes(). I have two concerns: First one: I am inserting the data using the following code ps = conn.prepareStatement(sql); oracle.sql.BLOB newBlob = oracle.sql.BLOB.createTemporary(conn,false, oracle.sql.BLOB.DURATION_SESSION); newBlob.putBytes(1,docout.toString().getBytes()); ps.setBlob(1,newBlob); ps.execute(); sql statement contains one ? (i.e. ...

27. Problem inserting Blob into Oracle DB    coderanch.com

The code I have works. It uploads the file to the server. I can read the file. I can insert the name of the file into the database; however, when I try to insert the Blob (text file) the query fails. I get the ORA-01465:invalid hex number error. It seems the query is having trouble inserting the file contents into the ...

28. Storing a Java Object in Oracle [code] Blob [/code]    coderanch.com

29. JDBC / Oracle / Blob: compatibility problem    coderanch.com

Hi, I have a problem browsing a result set containing a single result with a Blob from an Oracle DB. Debugging shows that the result set does contain the Blob (I can see the byte array), but when I try to get it with: Blob sqlBlob = rowSet.getBlob("DATEI"); Note: Blob is java.sql.blob, rowset is of type sun.jdbc.rowset.CachedRowSet I get an Exception: ...

30. Storing blob > 4kb in oracle db through jdbc    coderanch.com

Hello friends, I am facing problem to store a file data in oracle blob having file size grater than 4kb. However if i try to store file smaller than 4kb it's working fine. I get following error. java.sql.SQLException: Io exception: Software caused connection abort: socket write error at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:189) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:231) at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:345) at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:2094) at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:1986) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2697) at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:457) ...

31. How to save a Message object as a blob in Oracle database.    coderanch.com

Hi AkhilGupta Gupta, My first reaction was to say "wrap it in something that does" but, on reflection, that may be a little naive. I've not checked a spec or anything but I imagine it may be necessary for all members to be serializable, so that wouldn't help. The other alternative is to define a SerializableMessage class and copy the state ...

32. How to pass BLOB to Oracle stored procedure    coderanch.com

Hello, I am trying to store file into database using oracle stored procedure. I am using Struts. here is the code. FormFile file = form.getTheFile(); try { oraConn.setAutoCommit( false ); stmt = (OracleCallableStatement) oraConn.prepareCall( "begin " + Database.SCHEMA + "my_pkg.save_blob_test(?);end;" ); stmt.setBinaryStream( 1, file.getInputStream(), file.getFileSize() ); stmt.execute(); stmt.close(); } catch( Exception ex ) { ex.printStackTrace(); } finally { try { oraConn.commit(); ...

33. How to get Outputstream from oracle blob    coderanch.com

34. Unable to insert BLOB object in an Oracle table    coderanch.com

Hi, I am doing something like this to insert a 20MB gif image. Inserting a BLOB // CREATE TABLE t1 (c1 INT PRIMARY KEY NOT NULL, c2 BLOB(5M)); PreparedStatement pstmt = conn.prepareStatement ("INSERT INTO t1 VALUES (?,?)"); pstmt.setInt (1, 100); File fBlob = new File ( "image1.gif" ); FileInputStream is = new FileInputStream ( fBlob ); pstmt.setBinaryStream (2, is, (int) fBlob.length() ...

35. Oracle BLOB and UTF-8 Question    coderanch.com

Hello, I have a column in database table defined with datatype BLOB. It is used to store large xmls. (After some reading, I understand that CLOB should have been used for this purpose. But can't change that now.) The problems is that when xml contains umlaut characters like - "", they are deformed in database. I suspect it has something to ...

36. What happens when you read large blob data from Oracle db using jdbc connection?    coderanch.com

37. storing BLOB type in oracle db    coderanch.com

hi all, have seen a few examples already but most of them update/insert just the BLOB, i needed to update BLOB as well as another column. //establish valid connection to db byte[] bill = null; bill = //read file into byte array; String preGenerated = "t"; String sql = "UPDATE BILL set (PDF, ISPREGENERATED) = (select ? , " + preGenerated+ ...

38. How to read UTF-8 data from Oracle Blob object ?    coderanch.com

39. how to create and read a blob in oracle database through java?    coderanch.com

hi, im extremely new to blob. i have a task to do like i have to iterate a list based on some conditions, actually this is a list of bids stored in some tables in oracle which are old bids. i have to archive those old bids in such a way that i have to store them as blob in oracle ...

40. Problem while inserting a Blob in to oracle database    forums.oracle.com

41. Help in retrieveing Blob from Oracle db and display it on a web page    forums.oracle.com

public String loadButton_action() { HttpServletRequest request = null; HttpServletResponse response = null; String connectionURL = "jdbc:oracle:thin:@//localhost:1521/cdecentre1";; /*declare a resultSet that works as a table resulted by execute a specified sql query. */ ResultSet rs = null; // Declare statement. PreparedStatement psmnt = null; // declare InputStream object to store binary stream of given image. InputStream sImage; Connection connection = null; String ...

42. Handling with BLOB and Oracle stored procedures    forums.oracle.com

43. How to store the PDF file in blob file in Oracle DataBase using java    forums.oracle.com

44. uploading the file as a blob to oracle database    forums.oracle.com

Hi..I wrote a program to upload the files as a blob to the database. It works fine for JSP files but when i try to upload a css file...it gives "No more data to read from socket" exception. I have tried all combinations like trying to upload css file first and then a jsp file and then multiple jsp file and ...

45. Problem while inserting a Blob in to oracle database    forums.oracle.com

This was my code for inserting a File in to Oracle database in a Blob Datatype File file = new File(AppsConfig.getAppsInstalledPath() + File.separator + "temp" + File.separator + req.getSession().getAttribute("user")+File.separator+fileName); FileInputStream fileInputStream = new FileInputStream(file); pstmt = conn.prepareStatement("INSERT INTO ICD9DISCHARGEFILE (ICD9DISCHARGEFILEID, ICD9, FILENAME, CREATE_USER," + "STATUS, ICD9DISCHARGEFILEVALUE, CREATE_DATE) VALUES (?,?,?,?,?,?,sysdate)"); pstmt.setInt(1, Integer.parseInt(nextID)); pstmt.setString(2, ICD9); pstmt.setString(3, fileName); pstmt.setString(4, (String)req.getSession().getAttribute("user").toString()); pstmt.setInt(5, Status.ACTIVE); pstmt.setBinaryStream(6, fileInputStream, ...

46. Uploading files(.doc , .jpeg etc) to a blob(Oracle) database field    forums.oracle.com

sir i have to upload a .doc file into a blob field in the oracle database. help with any code, or code links The code i am having,pls suggest if any changes... String QUERY_ENHANCEMENT = "INSERT INTO EKMIS_ENHANCEMENT(USER_ID,ENH_TYPE,MODULE,DESCRIPTION,ATTACHMENT)"; QUERY_ENHANCEMENT = QUERY_ENHANCEMENT+"VALUES(?,?,?,?,?)"; PreparedStatement preparedStatement = connection.prepareStatement(QUERY_ENHANCEMENT); preparedStatement.setString(1, enhancementTO.getUserid()); preparedStatement.setString(2, enhancementTO.getType()); preparedStatement.setString(3, enhancementTO.getModule()); preparedStatement.setString(4, enhancementTO.getDescription()); try { File anyFile = new File(enhancementTO.getPath()); InputStream ...

47. Upload an .doc attachment into a blob field in Oracle    forums.oracle.com