Error in Loading User Defined Java Bean

Hi Everyone,
I am new member in this forum....and wants to explore java.
i was creating user defined beans with userdefined Listener.
but while loding the jar file..it gives an error that the it could not load the jar file and java.lang error in the Listener interface.
Can anyone please help?
Thanks a lot.

The following page can help:
http://java.sun.com/products/javabeans/faq/faq.help.html

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Could not load user defined filter. - Weblogic 8.1 sp2

Hi,
I got an error in the server output when starting a server with filter. The jar file is located in the WEB-INF/lib but it seems that it could not be loaded. The same application runs fine in Weblogic 7 sp2. Any idea?
$ cat web.xml
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN
" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>

<filter>
<filter-name>Compress</filter-name>
<filter-class>com.jspbook.GZIPFilter</filter-class>
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<filter-mapping>
<filter-name>Compress</filter-name>
<url-pattern>*.jsp</url-pattern>
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<filter-mapping>
<filter-name>Compress</filter-name>
<url-pattern>*.html</url-pattern>
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<Jul 16, 2004 4:53:10 PM EDT> <Error> <HTTP> <BEA-101165> <Could not load user defined filter: com.jspbook.GZIPFilter.
<java.lang.ClassNotFoundException: com.jspbook.GZIPFilter
< at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:198)
< at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:62)
< at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
< at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
< at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:223)
< at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:41)
< at weblogic.servlet.internal.WebAppServletContext.loadClass(WebAppServletContext.java:5574)
< at weblogic.servlet.internal.WebAppServletContext.registerFilter(WebAppServletContext.java:2901)
< at weblogic.servlet.internal.WebAppServletContext.initFilters(WebAppServletContext.java:2878)
< at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:3176)
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< at weblogic.servlet.internal.WebService.preloadResources(WebService.java:483)
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< at weblogic.t3.srvr.SubsystemManager.resume(SubsystemManager.java:131)
< at weblogic.t3.srvr.T3Srvr.resume(T3Srvr.java:964)
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<>

This is probably some jsf library issue.
Which technology are you using? (ADF is not supported on WLS 12c)
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Could not load user defined listener: examples.webapp.lifecycle.OpenBrowser

Hi all,
I'm facing the following error when my Weblogic 10.3 servers starts .Any one have an idea why ?
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java.lang.ClassNotFoundException: examples.webapp.lifecycle.OpenBrowserServletContextListener
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at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:54)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Truncated. see log file for complete stacktrace
+>+
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weblogic.application.ModuleException:
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:387)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:176)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93)
at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:387)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
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java.lang.ClassNotFoundException: examples.webapp.lifecycle.OpenBrowserServletContextListener
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at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:256)
at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:54)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Truncated. see log file for complete stacktrace
+>+
Thanks

This is probably some jsf library issue.
Which technology are you using? (ADF is not supported on WLS 12c)
If you have jsf-api.jar or jsf-impl.jar in your deployment, try to remove them.
Dario

[SOLVED] Loading user-defined modules [FAIL]

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Last edited by jdoggsc (2011-11-22 19:39:00)

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Error: Tag attempted to define a bean which already exists:

I am getting following error
oracle.jsp.parse.JspParseException: Line # 1, Error: Tag
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<%@ page import = "java.io.*" %>
<%@ page import = "java.util.*" %>
<jsp:useBean id ="webBoard" scope = "session" class
= "com.webBoard.DBBean"/>
Any help will be highly appreciated.
Thanks and Regards
Sai Kumar

I am getting following error
oracle.jsp.parse.JspParseException: Line # 1, Error: Tag
attempted to define a bean which already exists: webBoard
The first few line of my code is given below
<%@ page import = "java.io.*" %>
<%@ page import = "java.util.*" %>
<jsp:useBean id ="webBoard" scope = "session" class
= "com.webBoard.DBBean"/>
Any help will be highly appreciated.
Thanks and Regards
Sai Kumar

How to make an applet load user-defined package?

How to have an applet load user-defined package?
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If I don't use packages and put all code in one directory, runs fine. If I use an application, I can link with and load my packages.
I know applets can't use things like CLASSPATH for security reasons, but still, they should be able to be compiled out of several packages, why do I have to put all code together??

OK, for reference for future newbies, here's the answer:
use CODEBASE attribute in your html file (if on Windows server, don't use drive letter but relative path to .html file, Unix style, and put all your .class files beneath that, for example, in your .html file
<applet
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Adpater Engine Error:Is a user defined for component AF?

Hi all,
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Thanks in Advance

Hi Nagesh,
>>>>>"Is a user defined for component AF? "
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Also this test does not check whether the assigned technical user has all the required authorizations.
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User defined java function-compilation error! Activation cancelled

Hi all!
I have written an User defined Function in java for converting XML to PDF which is available at this blog:
/people/divya.vidyanandanprabhu/blog/2005/06/28/converting-xml-to-pdf-using-xi
I added both dom4j-1.6.1.jar and itext-1.4.1.jar files in (XIserver machine)D:/usr/sap/....server0/bin.
When i try to activate in IR, i got the following error.
Activation of the change list canceled Check result for Message Mapping test | http://httpadp.com/send: Starting compilation Source code has syntax error: D:/usr/sap/QN7/DVEBMGS00/j2ee/cluster/server0/./temp/classpath_resolver/Map7bf962e0f21411daae8a00111120e6db/source/com/sap/xi/tf/_test_.java:3: package com.xml2pdf does not exist import com.sap.aii.mappingtool.tf3.;import com.sap.aii.mappingtool.tf3.rt.;import java.util.;import java.io.; import java.lang.reflect.*;import com.xml2pdf.XmlToPdf; ^ D:/usr/sap/QN7/DVEBMGS00/j2ee/cluster/server0/./temp/classpath_resolver/Map7bf962e0f21411daae8a00111120e6db/source/com/sap/xi/tf/_test_.java:51: cannot resolve symbol symbol : class XmlToPdf location: class com.sap.xi.tf._test_ XmlToPdf x = new XmlToPdf("D:
qf
source
Input.xml", "D:
qf
target
Output.pdf"); ^ D:/usr/sap/QN7/DVEBMGS00/j2ee/cluster/server0/./temp/classpath_resolver/Map7bf962e0f21411daae8a00111120e6db/source/com/sap/xi/tf/_test_.java:51: cannot resolve symbol symbol : class XmlToPdf location: class com.sap.xi.tf._test_ XmlToPdf x = new XmlToPdf("D:
qf
source
Input.xml", "D:
qf
target
Output.pdf");

Hi
My java program is:
import com.xml2pdf.XmlToPdf;
public String testing(String a,String b,String c,Container container){
XmlToPdf x = new XmlToPdf("D:
qf
source
Input.xml", "D:
qf
target
Output.pdf");
x.Convet();
return "";
Can you please figureout any errors in my prg.
I have imported the 2(itext-1.4.1 and dom4j-1.6.1) jars into Imported Archives in my scenario in IR.
I placed these jars in D:/usr/sap/..../server0/bin
also. I followed the blog thoroughly and carefully.
Thanks a lot for your suggestion.

How to resolve the error while using user defined function.

EPN Assembly file
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:osgi="http://www.springframework.org/schema/osgi"
xmlns:wlevs="http://www.bea.com/ns/wlevs/spring"
xmlns:jdbc="http://www.oracle.com/ns/ocep/jdbc"
xmlns:spatial="http://www.oracle.com/ns/ocep/spatial"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/osgi
http://www.springframework.org/schema/osgi/spring-osgi.xsd
http://www.bea.com/ns/wlevs/spring
http://www.bea.com/ns/wlevs/spring/spring-wlevs-v11_1_1_3.xsd
http://www.oracle.com/ns/ocep/jdbc
http://www.oracle.com/ns/ocep/jdbc/ocep-jdbc.xsd
http://www.oracle.com/ns/ocep/spatial
http://www.oracle.com/ns/ocep/spatial/ocep-spatial.xsd">
 <wlevs:event-type-repository>
 <wlevs:event-type type-name="TestEvent">
 <wlevs:class>com.bea.wlevs.event.example.FunctionCEP.TestEvent</wlevs:class>
 </wlevs:event-type>
 </wlevs:event-type-repository>
 <wlevs:adapter id="InputAdapter"
 class="com.bea.wlevs.adapter.example.FunctionCEP.InputAdapter">
 <wlevs:listener ref="inputStream" />
 </wlevs:adapter>
 <wlevs:channel id="inputStream" event-type="TestEvent">
 <wlevs:listener ref="processor" />
 </wlevs:channel>
 <wlevs:processor id="processor">
 <wlevs:listener ref="outputStream" />
 <wlevs:function function-name="sum_fxn" exec-method="execute">
 <bean>com.bea.wlevs.example.FunctionCEP.TestFunction</bean>
 </wlevs:function>
 </wlevs:processor>
 <wlevs:channel id="outputStream" event-type="TestEvent">
 <wlevs:listener ref="bean" />
 </wlevs:channel>
 <bean id="bean" class="com.bea.wlevs.example.FunctionCEP.OutputBean">
 </bean>
</beans>
Event class
package com.bea.wlevs.event.example.FunctionCEP;
public class TestEvent {
 private int num_1;
 private int num_2;
 private int sum_num;
 public int getSum_num() {
 return sum_num;
 public void setSum_num(int sumNum) {
 sum_num = sumNum;
 public int getNum_1() {
 return num_1;
 public void setNum_1(int num_1) {
 this.num_1 = num_1;
 public int getNum_2() {
 return num_2;
 public void setNum_2(int num_2) {
 this.num_2 = num_2;
Adapter class
package com.bea.wlevs.adapter.example.FunctionCEP;
import com.bea.wlevs.ede.api.RunnableBean;
import com.bea.wlevs.ede.api.StreamSender;
import com.bea.wlevs.ede.api.StreamSource;
import com.bea.wlevs.event.example.FunctionCEP.TestEvent;
public class InputAdapter implements RunnableBean, StreamSource {
private StreamSender eventSender;
public InputAdapter() {
super();
public void run() {
 generateMessage();
private void generateMessage() {
 TestEvent event = new TestEvent();
 event.setNum_1(10);
 event.setNum_2(20);
 eventSender.sendInsertEvent(event);
public void setEventSender(StreamSender sender) {
eventSender = sender;
public synchronized void suspend() {
Output Bean class
package com.bea.wlevs.example.FunctionCEP;
import com.bea.wlevs.ede.api.StreamSink;
import com.bea.wlevs.event.example.FunctionCEP.TestEvent;
import com.bea.wlevs.util.Service;
public class OutputBean implements StreamSink {
 public void onInsertEvent(Object event) {
 System.out.println("In Output Bean");
 TestEvent event1 = new TestEvent();
 System.out.println("Num_1 is :: " + event1.getNum_1());
 System.out.println("Num_2 is :: " +event1.getNum_2());
 System.out.println("Sum of the numbers is :: " +event1.getSum_num());
Function Class
package com.bea.wlevs.example.FunctionCEP;
public class TestFunction {
 public Object execute(int num_1, int num_2)
 return (num_1 + num_2);
config.xml file
<?xml version="1.0" encoding="UTF-8"?>
<wlevs:config xmlns:wlevs="http://www.bea.com/ns/wlevs/config/application"
xmlns:jdbc="http://www.oracle.com/ns/ocep/config/jdbc">
 <processor>
 <name>processor</name>
 <rules>
 <view id="v1" schema="num_1 num_2">
 <![CDATA[
 select num_1, num_2 from inputStream
 ]]>
 </view>
 <view id="v2" schema="num_1 num_2">
 <![CDATA[
 select sum_fxn(num_1,num_2), num_2 from inputStream // I am getting error when i am trying to call this function
 ]]>
 </view>
 <query id="q1">
 <![CDATA[
 select from v2[now] as num_2* // Showing error while accessing the view also ]]>
 </query>
 </rules>
 </processor>
</wlevs:config>
Error I am getting is :
Invalid statement: "select >>sum_fxn<<(num_1,num_2),age from inputStream"
Description: Invalid call to function or constructor: sum_fxn
Cause: Probable causes are: Function name sum_fxn(int,int) provided is invalid, or arguments are of
the wrong type., or Error while handling member access to complex type. Constructor sum_fxn of type
sum_fxn not found. or Probable causes are: Function name sum_fxn(int,int) provided is invalid, or
arguments are of the wrong type., or Error while handling member access to complex type.
Constructor sum_fxn of type sum_fxn not found.
Action: Verify function or constructor for complex type exists, is not ambiguous, and has the correct
number of parameters.
I have made a user defined function in a java class and configured this function in the EPN assembly file under the processor tag.
But when i am trying to access the function in the config.xml file , it is giving me an error in the query.
Please provide urgent help that how to write the exact query.

Hi,
In the EPN Assembly file use
<bean class="com.bea.wlevs.example.FunctionCEP.TestFunction"/>
instead of
<bean>com.bea.wlevs.example.FunctionCEP.TestFunction</bean>
Best Regards,
Sandeep

Getting error while using user-defined function in transform activity

Hi
I designed one user-defined function to add 2 nos following the
link:http://docs.oracle.com/cd/E16764_01/integration.1111/e10224/bp_xslt_mpr.htm .
Under this i followed the portion creating user-defined function.
After deploying,i'm getting an error stating:"<summary>
An error occurs while processing the XPath expression; the expression is ora:doXSLTransformForDoc("xsl/Transformation_1.xsl", $inputVariable.payload).
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<detail>
XPath expression failed to execute.
An error occurs while processing the XPath expression; the expression is ora:doXSLTransformForDoc("xsl/Transformation_1.xsl", $inputVariable.payload).
The XPath expression failed to execute; the reason was: javax.xml.transform.TransformerException: oramds:/deployed-composites/PO/HelloWorld_rev1.0/xsl/Transformation_1.xsl<Line 6, Column 104>: XML-22045: (Error) Extension function error: Class not found '
Missing class: addition.add
can anybody help me in this regard
Thanks
Avinash

Did you copy the jar file of your java classes to MIDDLEWARE_Home/user_projects/domains/soa_domain/lib?
http://georgie-soablog.blogspot.com/2010/06/soasuite-11g-implement-user-defined.html
hope this helps

Send a array of user-defined java objects to stored procedure

hi,
I´d like to know if its possible send java user-defined objects to a collection. I've tried the exemple bellow but it doesn´t work:
1) In database
-- nested table type
create or replace type client_table_type is table of client%rowtype;
-- table client:
teste
( id number(18,0),
name varchar2(80),
birthday date)
-- stored procedure
create or replace package client_pkg
is
procedure insert_clients(
p_array_clients client_table_type
end;
2) In Java
java.lang.Class.forName ("oracle.jdbc.driver.OracleDriver");
java.sql.Connection conn = java.sql.DriverManager.getConnection("jdbc:oracle:thin .....);
ArrayDescriptor descriptor = ArrayDescriptor.createDescriptor("client_table_type", conn);
ARRAY a2 = new ARRAY(descriptor, conn, anArrayIn);
PreparedStatement ps = (PreparedStatement)conn.prepareStatement("{ call client_pkg.insert_clients(?) }");
ps.setArray(1, a2);
ps.execute();
Where anArrayIn is an array of Client and Client is a java user-defined class with these attributes:
public class Client{
public long id;
public String name;
public Date birthday;
3) when I´ve tried to run the java code its returned the error in the ArrayDescriptor line:
Exception in thread "main" java.sql.SQLException: .....:
Unable to resolve type: "SISSERV.CLIENT_TABLE_TYPE"
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.sql.ArrayDescriptor.initPickler(ArrayDescriptor.java:1976)
at oracle.sql.ArrayDescriptor.<init>(ArrayDescriptor.java:199)
at oracle.sql.ArrayDescriptor.createDescriptor(ArrayDescriptor.java:118)
at teste_array_oracle.Carga.callPLSQL(Carga.java:60)
at teste_array_oracle.Carga.<init>(Carga.java:41)
at teste_array_oracle.Carga.main(Carga.java:32)
erro de execuþÒo
Tks for any help!

A brief answer to this from my side (not knowing Java that wel), but hopefully suffices to put you on the right track.

A SQL user defined type is basically a class (it can contain properties and methods). It has only superficial resemblence to a traditional record struct. So you cannot use one. Even if you could (assuming you code a PL/SQL "traditional" record struct), there are issues around how char and numeric data are represented binary inside Oracle and issues around byte/word alignment.

So bottom line - what you're doing will not work (as the errors show).

Okay, so what then? Well, the OCI (Oracle Call Interface) supports all Oracle data types, including these user types (also called Advance Data Types in Oracle-speak). You therefore need to use the supplied API calls to deal with instantiated objects (structures) of these type.
You're best bet is to have a look Oracle® Database Java Developer's Guide

Error in simple user defined function

Hi all,
I have seen one simple user defined function on scenario. Now it is working fine. Same code I have used another place. But it is giving some errors
D:/usr/sap/C08/DVEBMGS00/j2ee/cluster/server0/./temp/classpath_resolver/Mapc6fa0c70297511dbaf7e00c09f4504e7/source/com/sap/xi/tf/_ST_MM_.java:3: package javax.mail.internet does not exist
import com.sap.aii.mappingtool.tf3.;import com.sap.aii.mappingtool.tf3.rt.;import java.util.;import java.io.; import java.lang.reflect.;import javax.mail.internet.;import javax.mail.;import java.util.;import java.util.Date;import javax.activation.;import java.lang.reflect.;import javax.mail.event.*;
Like that it has shown 13 errors. I have given the package names in imports field what previous function has.

Hi,
Please see this from SAP help
a. You can import Java packages to your methods from the Imports input field, by specifying them separated by a comma or semi-colon:
You do not need to import the packages java.lang., java.util., java.io., and java.lang.reflect. since all message mappings require these packages and therefore import them. You should be able to access standard JDK and J2EE packages of the SAP Web Application Server by simply specifying the package under Import. In other words, you do not have to import it as an archive into the Integration Repository. You can also access classes of the SAP XML Toolkit, the SAP Java Connector, and the SAP Logging Service (see also: Runtime Environment (Java-Mappings)).
In addition to the standard packages, you can also specify Java packages that you have imported as archives and that are located in the same, or in an underlying software component version as the message mapping.
b. Create your Java source text in the editor window or copy source text from another editor.
http://help.sap.com/saphelp_nw04/helpdata/en/22/e127f28b572243b4324879c6bf05a0/content.htm
Regards
Vijaya

How to read a user defined java method inside a javascript

I have a scenario where I have a form with 2 fields and a submit button. On clicking submit button, I call a javascript which needs to call a user-defined method.
Please provide solution to do this and also please provide any useful links that i can go follow.
Thanks

Java != javascript.
You can not call java directly from javascript.
The lifecycle:
Request received
Java/JSP runs produces an HTML page
Java stops running
Javascript runs on page when page is loaded.
The only way to call java code again is to submit a request and get the result back in a response. Traditionally the response is a new JSP page to replace the old one.
Using AJAX the response can be just information that you then alter the current page with.
The first example given by skp71 will probably NOT be what you are after. The java code is executed when you load the page, NOT when you push the button which is most probably what you are after.
AJAX is a solution, as is loading a new page.
Cheers,
evnafets

DI error when binding user defined table

Hi,
I am using matrix. Im binding a User defined table '@NEW' to a Datasource
oForm.DataSources.DBDataSources.Add("@NEW")
I also bind the fields to column of the matrix as given below
oColumn = oColumns.Item("CodeNo")
oColumn.DataBind.SetBound(True, "@NEW", "U_CodeNo")
When the table @New contains no records i get error while binding the fields to the matrix.
I tried the same using STANDARD SAP tables.I am not getting any error and it works fine.
Can anyone help me?

Hi,
I am using matrix. Im binding a User defined table '@NEW' to a Datasource
oForm.DataSources.DBDataSources.Add("@NEW")
I also bind the fields to column of the matrix as given below
oColumn = oColumns.Item("CodeNo")
oColumn.DataBind.SetBound(True, "@NEW", "U_CodeNo")
When the table @New contains no records i get error while binding the fields to the matrix.
I tried the same using STANDARD SAP tables.I am not getting any error and it works fine.
Can anyone help me?

Error while using user defined function in reports

Hi,
When I use the below user defined function in oracle reports I got the wrong number of arguments error
select test_function(id,a_number,v_date-14,b_number) from dual;
If I remove -14 from the argument it works. But iIneed to subtract 14 days from the date.
Thanks for your help.

select test_function(id,a_number,v_date-14,b_number) from dual;
you have to give the command like this to_date(v_date,'dd-mon-yyyy')-14
because the v_Date you choose in the parameter form is not having the corrent date format
the format dd-mon-yyyy is the format in which v_date is passed by the user.

Error in Loading User Defined Java Bean

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