Recursivity in Oracle Java Class Generator from XML

I am about to start using Oracle XDK for marshalling/unmarshaling XML documents but
I need to know if the generator will be able to create correctly the java classes
from a DTD that is recursive :

<!ELEMENT node ( date, symbol, node* ) >
<!ATTLIST node
name ID #REQUIRED
ref IDREF #IMPLIED >
<!ELEMENT date (#PCDATA) >
<!ELEMENT symbol (#PCDATA) >

and also, if given a recursive XML (e.g. one compliant with the DTD presented above)
it will be able to parse correctly the XML into the java classes.
cheers
francesc

well, after having had to try out myself this specific functionality of the
product, I'm happy to say that YES it works and unlike JAXB
(maybe I didn't try hard enough with SUN JAXB) it allows recursivity of complex types.
However, I'm not so happy with the lack of replies in this unattended (or so it seems!) forum
cheers

Similar Messages

Java stored proc from proxy Java classes generated from a web service?

Hi gurus,
I have searched "Java Stored Procedure" on this forum but could not find what I am looking for, so I have to post again.
I need to use a web service and my client app is written in PowerBuilder 11 (Sybase), which claims that it will create a datawindow from a web service. Well, it turned out that PB can only handle simple stuff (it works with a very simple wsdl from the internet) but can't handle more complex ones that we need to use. So I am thinking about using Oracle JDeveloper(JDev) to create the web service proxy for the web service and then load it into Oracle as a Java stored procedure so that PowerBuilder can call the procedure. JDev succsfully generated the proxy and a few Java classes. My question is, do I need to load all the classes into the database? If yes, will the reference to the package work? For example, in a JDev generated class (the soap client class), it has package MyJdev.proxy; at the top. Or, will it work if I load all the classes included in package /MyJdev/proxy into the database?
Thank you very much for any help.
Ben

For the java stored proc called from pl/sql, the example above that uses dynamic sql should word :
CREATE OR REPLACE PACKAGE MyPackage AS
TYPE Ref_Cursor_t IS REF CURSOR;
FUNCTION get_good_ids RETURN VARCHAR2 ;
FUNCTION get_plsql_table_A RETURN Ref_Cursor_t;
END MyPackage;
CREATE OR REPLACE PACKAGE BODY MyPackage AS
FUNCTION get_good_ids RETURN VARCHAR2
AS LANGUAGE JAVA
NAME 'MyServer.getGoodIds() return java.lang.String';
FUNCTION get_plsql_table_A RETURN Ref_Cursor_t
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good_ids VARCHAR2(100);
BEGIN
good_ids := get_good_ids();
OPEN table_cursor FOR 'SELECT id, name FROM TableA WHERE id IN ( ' | | good_ids | | ')';
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public class MyServer{
public static String getGoodIds() throws SQLException {
return "1, 3, 6 ";
null

Importing java class in to xml

is there any way to import a java class into an xml file.suppose if I have a class containing all static constants .Anfd if I want this constant vlaues in xml how to do that

Hi Santha,
your statement is bit confused,
This is my understanding
1. You have one java class file, which is contains the constant values
2. and you have one more file which is xml, written in Java,
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With Cheers,
PrasannA

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TaskSequenceProvider
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TaskSequenceProvider
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TaskSequenceProvider
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TaskSequenceProvider
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TaskSequenceProvider
[PID: 7608] Done with method SMS_TaskSequence.LoadFromXml
TaskSequenceProvider
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TaskSequenceProvider
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Thanks for sharing that! I tend to save contacting MS support until after I've exhausted other options. I'm always afraid that I'll spend the $500 to open a case and then it turns out to be something simple that I would have found if I had just
kept working on it myself a little longer.
It looks like that link is for an update released in February as KB3023562. I downloaded and installed it. I'll try opening/editing/saving the task sequence a few times today to see if the issue is resolved.
After I had already installed it, I thought to look up that update in configmgr. The update is listed as superseded by 2 other updates. The newest of those is KB3046049, which just installed last night with the other March patches, so it's possible
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Debug java class called from CF?

I'm experiencing different behaviour with a Java class called from a CF page to the same class called directly from Java code.
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Regards,
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P5music wrote:
I would like to be able to make a java application that has a GUI that is a rich web page.That's what applets are for.
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This page does many things that are typical of a web page like displaying information and presenting rich and graphical controls
but some of this controls are connected to a java application, launched from the web page or viceversa.I don't get this "launched from the web page" business. Is that a requirement or are you describing an existing system? Or are you describing somebody else's system whose architecture you want to imitate? Or are you using the word "launched" simply to describe the action of starting an applet?
It still isn't clear to me what you are trying to describe. But at any rate if you want a Java program to run in your browser, that's an applet. Note that applets can interact with Javascript code in the page they are embedded in. Or if you want to download a Java application which acts as a separate application, i.e. it still runs when the browser is closed, you can use Web Start for that.

What is Oracle Java Class Type?

Hi,
I read a oaf coding stand document.it said that "Can not use database Java(Oracle Java Class Type)".do anyone know what is Oracle Java Class Type?
Thanks & Regards
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Are you using the internal converer?
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label="#{bindings.MyClobContent.hints.label}"
converter="oracle.genericDomain"
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maximumLength="#{bindings.MyClobContent.hints.precision}"
shortDesc="#{bindings.MyClobContent.hints.tooltip}"
id="it2" rows="10">
<f:validator binding="#{bindings.MyClobContent.validator}"/>
</af:inputText>
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Custom Java class called from RTF template generates error

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Since our this requirement is in Quotes module, its not using OAF. It is using plain JSPs and java classes.
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The main problem we are facing now is,
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Generic Populating the XML document using Java Class Generator and Reflection

I am looking for a generic source code in order to convert the data parsed from any tabular text form ( tab delimited for example that maps certain XML Schema created form Database Schema for Oracle.
I know it is possible to generate XML DTD or XSD from Oracle database table schema by XSU utility from XDK. And also it is possible to create Java source files from an XML DTD or XSD by using XML Clas Generator.
I believe there must be some generic code that parses tabular text data and converts them to XML format using above mentioned generated Java source files and may be Java reflection mechanism.
If anyone has any tool or knows any free ware that helps me, I would like to know about it, and I would really appreciate it.

1. Read the XML file into a DMO object, walk the DOM to find the list, insert your new entry as a child, write the DOM back to a file.
2. If the XML is not in a file, but in a string, then you can do the same with string input and output.

Can I load Java classes generated by the Web Service Proxy Wizard?

Hi gurus,
I am very new to Oracle JDeveloper and I have mainly used it to create and debug PL/SQL procedures. My client app is written in PowerBuilder 11 (Sybase), which claims that it will create a datawindow from a web service. Well, it turned out that PB can only handle simple stuff (it works with a very simple wsdl from the internet) but can't handle more complex ones that we need to use. So I am thinking about using JDev to create the web service proxy for the web service and then load it into Oracle as a Java stored procedure so that PowerBuilder can call the procedure. JDev succsfully generated the proxy and a few Java classes. My question is, do I need to load all the classes into the database? If yes, will the reference to the package work? For example, in a JDev generated class (the soap client class), it has package MyJdev.proxy; at the top. Or, will it work if I load all the classes included in package /MyJdev/proxy into the database?
Thank you very much for any help.
Ben

Thanks again, Bruce.
What I meant by SOAPElement is that one genereated Java class has this and this class also has the setter for this like this,
public void setSelection(javax.xml.soap.SOAPElement selection) {
this.selection = selection;
And here is the whole class,
public class CaseSearchByPartyRequest implements java.io.Serializable {
protected java.lang.String schemaVersion;
protected java.util.Calendar messageProducedDateTime;
protected javax.xml.soap.SOAPElement selection;
protected Restriction restriction;
public CaseSearchByPartyRequest() {
public java.lang.String getSchemaVersion() {
return schemaVersion;
public void setSchemaVersion(java.lang.String schemaVersion) {
this.schemaVersion = schemaVersion;
public java.util.Calendar getMessageProducedDateTime() {
return messageProducedDateTime;
public void setMessageProducedDateTime(java.util.Calendar messageProducedDateTime) {
this.messageProducedDateTime = messageProducedDateTime;
public javax.xml.soap.SOAPElement getSelection() {
return selection;
public void setSelection(javax.xml.soap.SOAPElement selection) {
this.selection = selection;
public Restriction getRestriction() {
return restriction;
public void setRestriction(Restriction restriction) {
this.restriction = restriction;
this.selection is the request that I think I need. And here is the static main method of the soap client class genereated.
public static void main(String[] args) {
try {
MyJdev.proxy.SoapClient myPort = new MyJdev.proxy.SoapClient();
System.out.println("calling " + myPort.getEndpoint());
// Add your own code here
} catch (Exception ex) {
ex.printStackTrace();
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Did I get something wrong here? If I don't supply the "selection", will JDev do it?
Thanks.
Ben

How to compile the Java classes generated in JAXB

I am using Windows 2000 Operating System. I found a xjc
batch file on the sun's java forum.
I used that to generate classes from XML. After generating
the classes I could not compile
the classes each depends on other AND THEY REQUIRE BOTH
CLASS FILES.
I will attach the schema file and dtd . Can you explaine me the problem.
#<transactions.dtd>
<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT transactions (cardtocard*)>
<!ELEMENT cardtocard (tocard, fromcard, fromcardver, amount, transdate, transid)
>
<!ELEMENT tocard (#PCDATA)>
<!ELEMENT fromcard (#PCDATA)>
<!ELEMENT fromcardver (#PCDATA)>
<!ELEMENT amount (#PCDATA)>
<!ELEMENT transdate (#PCDATA)>
<!ELEMENT transid (#PCDATA)>
transactions.xjs
<xml-java-binding-schema>
<element name="transactions" type="class" root="true"/>
<element name="cardtocard" type="class"/>
</xml-java-binding-schema>
XML file
?xml version="1.0" encoding="UTF-8"?>

<transactions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="C:\My Documents\Xml\SVTConcord.xsd">
<cardtocard>
<tocard>1111222233334444</tocard>
<fromcard>6666777788889999</fromcard>
<fromcardver>567</fromcardver>
<amount>100.00</amount>
<transdate>2002-06-04 00:00:00.000</transdate>
<transid>1111222202</transid>
</cardtocard>
</transactions>
the XJC compiler for windows is
@echo off
echo JAXB Schema Compiler
echo --------------------
if "%JAVA_HOME%" == "" goto errorJVM
if "%JAXB_HOME%" == "" goto errorJAXB
set JAXB_LIB=%JAXB_HOME%\lib
set JAXB_CLASSES=%JAXB_HOME%\classes
echo %JAVA_HOME%\bin\java.exe -jar %JAXB_LIB%\jaxb-xjc-1.0-ea.jar %1 %2 %3 %4 %5
%JAVA_HOME%\bin\java.exe -jar %JAXB_LIB%\jaxb-xjc-1.0-ea.jar %1 %2 %3 %4 %5
goto end
:errorJVM
echo ERROR: JAVA_HOME not found in your environment.
echo Please, set the JAVA_HOME variable in your environment to match the
echo location of the Java Virtual Machine you want to use.
echo For example:
echo set JAVA_HOME=c:\jdk1.4.0_01
goto end
:errorJAXB
echo ERROR: JAXB_HOME not found in your environment.
echo Please, set the JAXB_HOME variable in your environment to match the
echo location of the JAXB installation directory.
echo For example:
echo set JAXB_HOME=c:\jdk1.4.0_01\jaxb-1.0-ea
:end

When you compile the generated classes, be sure to put jaxb-rt-1.0-ea.jar in your classpath!

Java Class Generator

Hi
I found an example code for generating Java class based on the xml file.
i just want to know which package the following classes belongs to.Here the the classes
1. DTD
2.ClassGenarator
Thanks in advance
Balaji

Hi !
I am facing a similar problem
I am using classgen version 1.0.1.0.0
and xmlparser version 2.0.0.1.0....
everythings in the CLASSPATH...
I could compile the SampleMain.java in the classgen/samples directory .
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XML Class Generator: Error Attribute Value should start with quote
Attribute Value should start with quote
at oracle.xml.parser.v2.XMLError.flushErrors(XMLError.java:191)
at oracle.xml.parser.v2.XMLError.error(XMLError.java:97)
at oracle.xml.parser.v2.XMLError.error(XMLError.java:135)
at oracle.xml.parser.v2.NonValidatingParser.parseAttrValue(Compiled Code
at oracle.xml.parser.v2.ValidatingParser.parseAttr(ValidatingParser.java
:418)
at oracle.xml.parser.v2.NonValidatingParser.parseAttributes(Compiled Cod
e)
at oracle.xml.parser.v2.NonValidatingParser.parseElement(Compiled Code)
at oracle.xml.parser.v2.ValidatingParser.parseRootElement(ValidatingPars
er.java:89)
at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingP
arser.java:181)
at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:142)
at SampleMain.main(SampleMain.java:45)
please help !
thanks
amit
null

Accessing a java class method from the jsp page.

Hi im a beginner with jsp and im trying to find a way to access a method of my java class file in jsp page. After searching through the forums i tried to use the usebean tag. Im using apache to host the jsp file.Below is an excerpt of my code and the error message i got. What am i doing wrong? anyone know?
<%@ page language="java" %>
<jsp:useBean id="movies" class="movie.Movie" />
<jsp:setProperty name="movies" property="*"/>
<%
movies.getStart("file:///C:/Video/Applications2/sun.mpg");
response.setContentType("text/xml");
%>
exception
org.apache.jasper.JasperException: Exception in JSP: /View.jsp:7
4: <jsp:setProperty name="movies" property="*"/>
5: <%
6:
7: movies.getStart("file:///C:/Video/Applications2/sun.mpg");
8: response.setContentType("text/xml");
9: %>
Stacktrace:
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     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
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root cause
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Hi thanks for responding. Ok i did look through and it was opening some gui. I still need the program to do server side processes so cant use an applet.but i dont need the gui so i revised it and removed the gui. also im using a servlet to call the class now yet i still have the same error. Any ideas?
Below is the vid2jpg code minus the gui.
import java.io.*;
import java.awt.*;
import javax.media.*;
import javax.media.control.*;
import javax.media.format.*;
import javax.media.protocol.*;
import java.awt.image.*;
import javax.imageio.*;
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int imgWidth;int imgHeight;
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               System.out.println("Failed to configure the processor.");
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          DataSource ods = p.getDataOutput();
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               System.out.println("Cannot handle the output DataSource from the processor: " + ods);
               return false;
     //     setLayout(new FlowLayout(FlowLayout.LEFT));
//          currPanel = new imgPanel(new Dimension(imgWidth,imgHeight));
     //     add(currPanel);
     //     pack();
          //setLocation(100,100);
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          p.prefetch();
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               System.out.println("Failed to prefetch the processor.");
               return false;
          // Start the processor
          //p.setStopTime(new Time(20.00));
          p.start();
          return true;
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     private void imageProfile(VideoFormat vidFormat)
          System.out.println("Push Format "+vidFormat);
          Dimension d = (vidFormat).getSize();
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          imgWidth=d.width;
          imgHeight=d.height;
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     int nextframetime = 0;
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try
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if(sunjava) // and with import javax.imageio.*;
int frametimesecs = (int)(inBuffer.getTimeStamp()/1000000000);
if(frametimesecs%10 == 0 && frametimesecs==nextframetime)
nextframetime+=10;
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               else
               if(source instanceof PullBufferDataSource)
                    System.out.println("PullBufferDataSource!");
                    // This handler only handles push buffer datasource.
                    throw new IncompatibleSourceException();
               this.source = source;
               readBuffer = new Buffer();
          * This will get called when there's data pushed from the PushBufferDataSource.
          public void transferData(PushBufferStream stream)
               try
                    stream.read(readBuffer);
               catch(Exception e)
                    System.out.println(e);
                    return;
               // Just in case contents of data object changed by some other thread
               Buffer inBuffer = (Buffer)(readBuffer.clone());
               // Check for end of stream
               if(readBuffer.isEOM())
                    System.out.println("End of stream");
                    return;
               // Do useful stuff or wait
               useFrameData(inBuffer);
          public void start()
               try{source.start();}catch(Exception e){System.out.println(e);}
          public void stop()
               try{source.stop();}catch(Exception e){System.out.println(e);}
          public void close(){stop();}
          public Object[] getControls()
               return new Object[0];
          public Object getControl(String name)
               return null;
below is the servlet code.
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class ShowMovie extends HttpServlet {
String rootURL="http://127.0.0.1:8080/Video/";
public void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
     //String movie=request.getParameter("movie");
     String movie ="son";
     getStart(movie);
          response.sendRedirect(rootURL+"View.jsp");
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 void getStart(String url){
          new vid2jpg(url);
this is the error from the server. Im using tomkat 5
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: javax/media/ControllerListener
     java.lang.ClassLoader.defineClass1(Native Method)
     java.lang.ClassLoader.defineClass(Unknown Source)
     java.security.SecureClassLoader.defineClass(Unknown Source)
     org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1812)
     org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:866)
     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1319)
     org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1198)
     java.lang.ClassLoader.loadClassInternal(Unknown Source)
     ShowMovie.getStart(ShowMovie.java:31)
     ShowMovie.processRequest(ShowMovie.java:14)
     ShowMovie.doGet(ShowMovie.java:22)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.

Java class call from form

Hi
I'm doing single sign on via cookie and I able to get the cookie value and for decrypting I loaded java classes on the back end, When I called via form the jvm is crashing with some frm-92101 error.
First I want if anybody can help if I have to run any packages to execute java class from forms, I already created pl/sql wrapper class.
When I execute the function on the backend and got the decrypted value via pl/sql wrapper package but from forms the web servver is crashing, Can any body help.
Also where do I see the log file location.
Thanks in advance for the pro's for helping me
Thanks
Murthy

Dump from the application file.
08/06/23 14:21:58 formsweb: Forms session <10> exception stack trace:
java.io.IOException: FRM-93000: Unexpected internal error.
Details : No HTTP headers received from runform
     at oracle.forms.servlet.ListenerServlet.forwardResponseFromRunform(Unknown Source)
     at oracle.forms.servlet.ListenerServlet.doPost(Unknown Source)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
     at java.lang.Thread.run(Thread.java:534)
08/06/23 14:52:17 formsweb: Forms session <11> aborted: unable to communicate with runtime process.
08/06/23 14:52:17 formsweb: Forms session <11> exception stack trace:
java.io.IOException: FRM-93000: Unexpected internal error.
Details : No HTTP headers received from runform
     at oracle.forms.servlet.ListenerServlet.forwardResponseFromRunform(Unknown Source)
     at oracle.forms.servlet.ListenerServlet.doPost(Unknown Source)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
     at java.lang.Thread.run(Thread.java:534)
08/06/23 15:03:21 formsweb: Forms session <12> aborted: unable to communicate with runtime process.
08/06/23 15:03:21 formsweb: Forms session <12> exception stack trace:
java.io.IOException: FRM-93000: Unexpected internal error.
Details : No HTTP headers received from runform
     at oracle.forms.servlet.ListenerServlet.forwardResponseFromRunform(Unknown Source)
     at oracle.forms.servlet.ListenerServlet.doPost(Unknown Source)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)
     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
     at java.lang.Thread.run(Thread.java:534)
08/06/23 15:08:21 formsweb: lservlet: destroy
08/06/23 15:08:21 formsweb: Stopped
08/06/23 15:08:21 Stopped (Shutdown executed by jazn.com/admin from 127.0.0.1 (localhost))

Java class call from Stored Proc or trigger

Hi Experts!
I have windows 2K server with Oracle 8i Enterprise Edition installed. Please let me know if I can call a java class from Stored Procedure or Trigger. If there is a way, then help me out with code sample or description.
Regards,
Atul
[email protected]

Atul,
Couple of questions to you, off the subject,
* Why NULL NULL registration?(You already revealed your name at the bottom)
* Why email at the bottom? This is already a discussion forum.
To your qn, it is very much possible. It is not something that one can explain in a single thread. It takes your machine setup for JVM, your knowledgebase on JAVA and other things. Please find notes on External Procedure Calls, which should give you a start. If you are running into problems, please come back with specifics.
Thx,
SriDHAR

Create java class/resource from binary blob in SQL statement

Is there a way of creating a java class or resource from a binary blob in the CREATE JAVA CLASS statement? Something like:
CREATE OR REPLACE JAVA CLASS
USING BLOB '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';
I've tried various combinations of casting & convert functions, all of them give an ORA-29506 error 'Invalid query derived from USING clause', and nothing useful is gained from google about this. Is there a way of specifying the class binary in this way?

You can load Java classes into the database, then create a PL/SQL procedure or function in the database that calls that Java class.
This leaves you with a standard PL/SQL procedure/function which you can call from Oracle Forms.
Have a look at the database documentation on how to load a Java class: http://download.oracle.com/docs/cd/A91202_01/901_doc/java.901/a90210/toc.htm

Recursivity in Oracle Java Class Generator from XML

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