Problem in converting util date format to sql date format

im trying to convert util date to sql date...i'm getting the error msg as
Error is : java.lang.NullPointerException
Error Message : null
i'm not bale to track the result...whatz the problem with this code?
This fromDate value will be dynamically built, value will be
fromDate="Tue Jul 15 00:00:00 IST 2003";
java.util.Date xx=util.stringToDate(fromDate);
java.sql.Date sqlD=null;
sqlD.setTime(xx.getTime());
System.out.println("sqld"+sqlD);

I try this and it works:
SimpleDateFormat simpledateformat = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy", Locale.UK);
String s = "Tue Jul 15 00:00:00 IST 2003";
java.util.Date date = simpledateformat.parse(s);
java.sql.Date sqlD=new java.sql.Date(date.getTime());
System.out.println("sqld"+sqlD);
Hope this helps.

Similar Messages

Cannot convert from java.util.Date to java.sql.Date

In the below code am trying to get the current date and 60 days prior date:
Date todayDate;
          Date Sixtydaysprior;
          String DATE_FORMAT = "MM/dd/yy";
          DateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
         Calendar cal = Calendar.getInstance();
          todayDate = sdf.parse(sdf.format(cal.getTime()));
          cal.add(Calendar.DATE, -60);
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<%@page
     import="java.util.Calendar,
               java.text.SimpleDateFormat,
               java.text.ParseException,
                        java.util.*"
%>Shows up following error msg:
Type mismatch: cannot convert from java.util.Date to java.sql.Date
Thanks.
Edited by: MiltonDetroja on May 22, 2009 11:03 AM

Shows up following error msg:
Type mismatch: cannot convert from java.util.Date to java.sql.Date
I don't think this exception is thrown from the portion of code you have shown. As clearly specified in exception message, you cannot cast an instance of java.util.Date to java.sql.Date. you will need to do something like this
java.util.Date today = new java.util.Date();
long t = today.getTime();
java.sql.Date dt = new java.sql.Date(t);

Convert a String to java.sql.Date Format

Hi,
I am having a String of containing date in the format 'dd/mm/yyyy' OR 'dd-MMM-YYYY' OR 'mm-dd-yyyy' format. I need to convert the string to java.sql.Date object so that I can perform a query the database for the date field. Can any one suggest me with the code please.
Regards,
Smitha

import java.text.SimpleDateFormat;
import java.text.ParseException;
import java.util.Date;
public class TestDateFormat
     public static void main(String args[])
          SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
          System.out.println(sdf.isLenient());
          try
               Date d1 = sdf.parse("07-11-2001");
               System.out.println(d1);
               Date d2 = sdf.parse("07:11:2001");
               System.out.println(d2);
          catch(ParseException e)
               System.out.println("Error format, " + e);
See class DateFormat and SimpleDateFormat for detail.

How to convert String date to java sql date

I have an html form for entering the Date on retreving that value in a java servlet i get it as a string i want to convert that date to SQL date format so that i could use setDate() method of the java.sql.Date class to update the date value in the database.
i used the following way but i need the code without using the deprecated ones.
String delDate = (String)p_Request.getParameter("deleteDate");
[b]java.util.Date utilDate = new java.util.Date(delDate);
java.sql.Date deleteDate = new java.sql.Date(utilDate.getTime());
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thanx in advance.

Check out the later posts in http://forum.java.sun.com/thread.jspa?threadID=647681&messageID=3814745#3814745

(Again) java.util.Date vs java.sql.Date

Hi there,
(Again) Im trying to understand the EXACT difference between
java.util.Date vs java.sql.Date.
Googling, I can see that this is a very "popular" subject, but I still
cannot figure out it exactly.
Many writers claim that java.sql.Date only stores the DATE part (yyyy-
mm-dd) but not the TIME part (hh:MM:ss) of a Date/Time value, but that
I can easily disprove:
java.util.Date ud = new java.util.Date(); java.sql.Date sd = new java.sql.Date(ud.getTime()); System.out.println(DateFormatUtils. format(ud, "yyyy-MM-dd HH:mm:ss.SSS")); System.out.println(DateFormatUtils. format(sd, "yyyy-MM-dd HH:mm:ss.SSS"));
Output:
2009-09-18 15:17:36.635 2009-09-18 15:17:36.635
So, apparently, java.sql.Date and java.util.Date have THE SAME
precision (at least down to the millisecs...).
And the official API documentation, really looks more confusing than
helpful to me::
*"java.sql.Date:*
*A thin wrapper around a millisecond value that allows JDBC to identify*
*this as an SQL DATE value. A milliseconds value represents the*
*number of milliseconds that have passed since January 1, 1970*
*00:00:00.000 GMT.*
*To conform with the definition of SQL DATE, the millisecond values*
*wrapped by a java.sql.Date instance must be 'normalized' by setting*
*the hours, minutes, seconds, and milliseconds to zero in the*
*particular time zone with which the instance is associated. "*
Exactly what means "an SQL DATE value" ? How EXACTLY does it differ
from a java.util.Date value?
Most importantly: WHY does JDBC need to distinguish between them?
And, here again: *"a java.sql.Date instance must be 'normalized' by*
*setting the hours, minutes, seconds, and milliseconds to zero in the*
*particular time zone..."*
What does that mean exactly? Apparently, the constructor doesnt
enforce this restriction, per the example above. So what's the REAL
point with this type, java.sql.Date?
Very greatful, if you can help me clarify this, once and for all.
TIA,

And the official API documentation, really looks more confusing than helpful to me:The problem is that you need to understand SQL as well as Java for this to make sense. It's not the Java API's job to tell you how your SQL database works - there's a myriad of subtle differences even when the DB is compliant with the SQL spec.
Most compliant databases support DATE, TIME, and TIMESTAMP values. DATE represents only a date. TIME represents only a time. TIMESTAMP represents both. There are further complicating factors, but that's roughly how it stands.
In Java the normal type for representing time is (or was when the API was created) the java.util.Date but this is a close approximation only to the TIMESTAMP value. In order to bring the two together the java.sql.Date, java.sql.Time and java.sql.Timestamp classes were created. Making them derive from java.util.Date was probably not a good idea.
java.util.Date suffers from a number of deficiencies. java.util.Calendar was supposed to address them but didn't really succeed. The JodaTime library is rather better, but it's all a lot more complicated than you might expect - partly because time management really is a much harder problem than it appears at first glance - there are timezones, leap years, leap seconds, the difference between astronomical and atomic time, and so on and so forth.

How to change a date value from "java.util.Date" to "java.sql.Date"?

Hi all,
How to change a date value from "java.util.Date" to "java.sql.Date"?
I m still confusing what's the difference between them.....
thanks
Regards,
Kin

Thanks
but my sql statement can only accept the format (yyyy-MM-dd)
such as "select * from xx where somedate = '2004-12-31'
but when i show it to screen, i want to show it as dd-MM-yyyy
I m using the following to change the jave.util.Date to str and vice versa. But it cannot shows the dd-MM-yyyy. I tried to change the format from yyyy-MM-dd to dd-MM-yyyy, it shows the wrong date in my application.
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Fail to convert to internal representation: oracle.sql.DATE

I'm using the oracle 8.1.7 jdbc driver against oracle 8.1.7 running on NT, and I get the exception message below when I attempt to insert an jpub object structure into a prepared statement.
All date objects have been constructed from a timestamp object, using the oracle.sql.DATE Timestamp constructor. So I'm surprised to get this error given the timestamp object was successfully constructed.
I've tried session date formats of 'yyyy-mm-dd hh24:mi:ss' and 'mm/dd/yyyy hh24:mi:ss', with no success.
I can call stringValue on oracle.sql.DATE and it returns a valid date.
Can someone confirm that they have been able to use the oracle.sql.DATE class to insert a date correctly into the database? Its seems a silly question to ask but you have to start somewhere!
Exception : Fail to convert to internal representation: oracle.sql.DATE@3c144e8a
Stack trace : java.sql.SQLException: Fail to convert to internal representation: oracle.sql.DATE@3c144e8a
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:210)
at oracle.jdbc.dbaccess.DBError.check_error(DBError.java:829)
at oracle.jdbc.oracore.OracleTypeADT.toDatum(OracleTypeADT.java:261)
at oracle.sql.StructDescriptor.toOracleArray(StructDescriptor.java:385)
at oracle.sql.StructDescriptor.toArray(StructDescriptor.java:560)
at oracle.sql.STRUCT.<init>(STRUCT.java:95)
at oracle.jpub.runtime.MutableStruct.toDatum(MutableStruct.java:65)
null

The JPub/JDBC runtime is converting your Java object into Oracle-specific representation (all data is put in oracle.sql.XXXX format). The top level object is an oracle.sql.STRUCT, the attributes of which are represented as an array of oracle.sql.Datum objects - in your case an oracle.sql.NUMBER and an oracle.sql.DATE. However, the error does occur in the StructDescriptor which describes the SQL type and the shape of the object. Is the error dependent on the data values? Might null values not be dealt with, correctly?
One thing to try to do is create such an oracle.sql.STRUCT object from scratch with the same attribute values and insert/manipulate that using SQL.
I have not dealt with TAR's. If you send me a self-contained test case, I'll check it against the current development version of JDBC. (At least you'll know if the next JDBC release fixes this issue :-) I might also file a bug.

Java.util.Date and java.sql.Date

when i am trying to displaying date in my jsp page errors occurs saying that java.util.date and java.sql.date are matching..
i have some sql statements which i need to execute in the page.so i cant delete that import sql statement.
so what is the solution for this.
i want to display the date as 19th april 2003....in the jsp page.
thank u

You should use full names.
java.util.Date date;
java.sql.Date sdate;
..And it may be a good idea to delete one of the two "import" declaration of packages.

Extracting data from ms sql data base

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Convert String to java UTC date then to sql date

Hi,
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This is what I did:
String dateAsString = "10/01/2007";
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formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
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semaj07 wrote:
Hi,
I am trying to convert string (MM/dd/yyyy format) to UTC date time and store in the database.
This is what I did:
String dateAsString = "10/01/2007";
SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
formatter.setLenient(false);
java.util.date dateValue = formatter.parse(dateAsString, new ParsePosition(0));
dateValue will be Sun Sep 30 20:00:00 EDT 2007 in UTC.
Now I need to store this date and time to MS SQL database.
I used the following code:
java.sql.Date sqlDateValue = new java.sql.Date(parsedToDate.getTime());
But this code give only the date, not time 2007-09-30
Can anybody tell me how I can change this java date to sql date (or datetime?) so that I can get both date and time.
Thanks,
semajTake a look at java.sql.Timestamp:
http://java.sun.com/javase/6/docs/api/java/sql/Timestamp.html
Edited by: hungyee98 on Oct 17, 2007 8:57 AM

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@@Version : ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Microsoft SQL Server 2012 - 11.0.5058.0 (X64)
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Thanks for the help!
I can correctly display the current date on the page in java.sql.Date format now, but it's still not being inserted into the database correctly. The specific code is as follows:
java.util.Date dt = new java.util.Date();
java.sql.Date sqlDate = new java.sql.Date(dt.getTime());
(As you wrote)
Then (after connecting to the database etc.):
PreparedStatement pstmt = con.prepareStatement("INSERT INTO NEWS(NEWSDATE,DAYOFWEEK,AUTHOR,HEADLINE,CLIP,PUBLICATION,LINK,NEWSLOCATION,DATECREATED,DATEMODIFIED,CATEGORY,KEYWORDS,PHOTOURL,PHOTOGRAPHER,AUDIOURL) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
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pstmt.setString(3,author);
pstmt.setString(4,headline);
pstmt.setString(5,clip);
pstmt.setString(6,publication);
pstmt.setString(7,link);
pstmt.setString(8,newslocation);
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All the other fields are retrieved with request.getParameter from text fields. Any idea why the DATECREATED field is being updated to all 0's but the others work fine?
Thanks again.

Problem in converting util date format to sql date format

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