Perl from java

hi ..
i want to generate a graphical report after anlysing a log file... i have parsed it with perl....but how do u get the return values into the java prog to generate the graphical report..
pls help me... i am new to perl with java........

How about writing the perl script such that it outputs a file of data, then write a java program that reads the data and plots it?

Similar Messages

How to run Perl from Java

Hi,
I have a program written in Perl. I want to run the Perl program using Java. If there is a command which can allow me to call the perl program from Java program, please advise me.
regards

The most easy way is to use Runtime class to call "perl" to run your perl script.
String sCmd = "c:\\yourPerlScriptLoc\\yourPerlScript.pl";
Process p = Runtime.getRuntime().exec(sCmd);

Calling perl from java applets

I have problems in executing PERL from a JAVA applet and Swing interface.
I'm working under Windows 98.
My aim is the following:
When I click on the "Analizza" button,
I want to execute a PERL program and automatically
close the DOS window after completion. If there
is an error, this error should be displayed in DOS.
I wrote this piece of code
public void actionPerformed(ActionEvent eventoUtente){
     String comandoPulsante = eventoUtente.getActionCommand();
          if (comandoPulsante == "Analizza"){
          Runtime rt = Runtime.getRuntime();
          try{
          Process pr= rt.exec("cmd -c c:\\command /c perl C:\\_webasco\\contatutto2.pl");
          catch(java.io.IOException ioEx)
          System.out.println("IOEx:"+ioEx.getMessage());
I tried also with a Windows executable, ie I replaced the line
     Process pr= rt.exec("cmd -c c:\\command /c perl C:\\_webasco\\contatutto2.pl");
with
     Process pr= rt.exec("command /c c:\\windows\notepad.exe");
but in both cases nothing happens within the applet.
What am I doing wrong????
Any suggestions is warmly welcomed.
Thank you
Marina

I know nothing about Perl, but the line
if (comandoPulsante == "Analizza"){
compares references not values and will always return false. Try:
if (comandoPulsante.equals("Analizza")) {

Using Perl From Java!

Hi there, i have an assignment for university, part of it is to send data to a perl script through a Java applet. My perl script works, as i have tested it with a HTML form, however when i try it with java, i get nothing, nothing, no errors or warnings. Im using JBuilder6.
I am convinced that there is a problem with my code and a connection is not being opened, my lecturer cant see what the problem is (im not too impressed!) so i come to you.
All the perl does is create a file called test.txt and print within it the name, email..etc from the applet.
Thanks in Advance, Dave Williams.
JAVA:
void btnSendPosting_actionPerformed(ActionEvent e) { //Send Posting Event
name = txtName.getText();
email = txtEmail.getText();
message = txtareaText.getText();
path = txtFilePath.getText();
String url = "http://localhost/cgi-bin/diag.pl";
System.out.println("Url entered");
try
theURL = new URL(url);
System.out.println("Url prepaired");
catch (MalformedURLException f)
System.out.println("Bad URL: " + theURL);
try
System.out.println("Beggining Connection...");
URLConnection connection = theURL.openConnection();
connection.setDoOutput(true);
PrintWriter out = new PrintWriter(connection.getOutputStream());
out.print("txtName="+name +"&txtEmail="+ email +"&txtMessage="+ message +"&txtPath="+path);
out.close();
System.out.println("End of Connection");
catch (IOException f)
System.out.println("Error Opening Connection");
} //Send Posting Close bracket

Hi All heres the code with the propper tags i think, as for smorgasbords comment, I realise the security issue with java, but my lecturer seems to think its a good idea. Now the java applet opens a stream to my perl script and sends it parameters which the perl script uses to create the file. So java isnt making the file on any computer, perl is creating it on the server (EasyPHP actually). The example code given by my lecturer does actually work however for reasons which neither myself or the lecturer cannot see, it just doesnt create the file (or even open the perl script for that matter, as i used a file monitor to check if the 'diag.pl' file was accessed). I hope ive cleared up any questions.
Thanks
Dave
void btnSendPosting_actionPerformed(ActionEvent e) { //Send Posting Event
name = txtName.getText();
email = txtEmail.getText();
message = txtareaText.getText();
path = txtFilePath.getText();
String url = "http://localhost/cgi-bin/diag.pl";
System.out.println("Url entered");
try
theURL = new URL(url);
System.out.println("Url prepaired");
catch (MalformedURLException f)
System.out.println("Bad URL: " + theURL);
try
System.out.println("Beggining Connection...");
URLConnection connection = theURL.openConnection();
connection.setDoOutput(true);
PrintWriter out = new PrintWriter(connection.getOutputStream());
out.print("txtName="+name +"&txtEmail="+ email +"&txtMessage="+ message +"&txtPath="+path);
out.close();
System.out.println("End of Connection");
catch (IOException f)
System.out.println("Error Opening Connection");
} //Send Posting Close bracket

Problem calling two perl modules from java in seperate threads(JVM CRASHES)

Dear Friends,
I have one severe problem regarding calling perl modules from java
I had to call two perl modules simultaneously (i.e.) from two threads,,, but jvm crashes when one of the perl calls is exiting earlier
I am unable to spot out why ....
For calling perl from java ...., We are first calling C code from java using JNI and then Perl code from C
All works fine if we call only one perl call at a time.... If we call them in a synchronized manner the JVM is not crashing .... But we don't want blocking..
The following is the code snippet
<JAVA FILE>
class Sample
 static {
 System.loadLibrary("xyz"); // Here xyz is the library file generated by compiling c code
 public native void call_PrintList();
 public native void call_PrintListNew();
 Sample()
 new Thread1(this).start();
 public static void main(String args[])
 System.out.println("In the main Method");
 new Sample().call_PrintList();
 class Thread1 extends Thread
 Sample sample;
 Thread1(Sample sam)
 sample=sam;
 public void run()
 sample.call_PrintListNew();
}<C FILE>
#include <EXTERN.h>
#include <perl.h>
static PerlInterpreter *my_perl;
static char * words[] = {"alpha", "beta", "gamma", "delta", NULL } ;
static void
call_PrintList(){
 printf("\nIn the Call method of string.c\n");
 char *wor[] = {"hello", "sudha", NULL } ;
 char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
 PL_perl_destruct_level = 1; //// We have mentioned this also and tried removing destruct call
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);
 dSP ;
 perl_call_argv("PrintList", G_DISCARD, wor) ;
PL_perl_destruct_level = 1;
// perl_destruct(my_perl);
// perl_free(my_perl);
// PERL_SYS_TERM();
static void
call_PrintListNew(){
printf("In the new call method\n");
char *wor[] = {"Hiiiiiiiiiiiiiii", "Satyam123333", NULL } ;
 char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
PL_perl_destruct_level = 1;
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);
 dSP ;
 perl_call_argv("PrintListNew", G_DISCARD, wor) ;
PL_perl_destruct_level = 1;
// perl_destruct(my_perl);
// perl_free(my_perl);
 // PERL_SYS_TERM();
void callNew()
call_PrintListNew();
void call ( )
call_PrintList();
//char *wor[] = {"hello","sudha",NULL};
/* char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);*/
 // call_PrintList(); /*** Compute 3 ** 4 ***/
/* perl_destruct(my_perl);
 perl_free(my_perl);
 PERL_SYS_TERM();*/
 }And Finally the perl code
sub PrintList
 my(@list) = @_ ;
 foreach (@list) { print "$_\n" }
sub PrintListNew
 my(@list) = @_ ;
 foreach (@list) { print "$_\n" }
 }Please help me in this regard

Dear Friends,
I have one severe problem regarding calling perl modules from java
I had to call two perl modules simultaneously (i.e.) from two threads,,, but jvm crashes when one of the perl calls is exiting earlier
I am unable to spot out why ....
For calling perl from java ...., We are first calling C code from java using JNI and then Perl code from C
All works fine if we call only one perl call at a time.... If we call them in a synchronized manner the JVM is not crashing .... But we don't want blocking..
The following is the code snippet
<JAVA FILE>
class Sample
 static {
 System.loadLibrary("xyz"); // Here xyz is the library file generated by compiling c code
 public native void call_PrintList();
 public native void call_PrintListNew();
 Sample()
 new Thread1(this).start();
 public static void main(String args[])
 System.out.println("In the main Method");
 new Sample().call_PrintList();
 class Thread1 extends Thread
 Sample sample;
 Thread1(Sample sam)
 sample=sam;
 public void run()
 sample.call_PrintListNew();
}<C FILE>
#include <EXTERN.h>
#include <perl.h>
static PerlInterpreter *my_perl;
static char * words[] = {"alpha", "beta", "gamma", "delta", NULL } ;
static void
call_PrintList(){
 printf("\nIn the Call method of string.c\n");
 char *wor[] = {"hello", "sudha", NULL } ;
 char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
 PL_perl_destruct_level = 1; //// We have mentioned this also and tried removing destruct call
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);
 dSP ;
 perl_call_argv("PrintList", G_DISCARD, wor) ;
PL_perl_destruct_level = 1;
// perl_destruct(my_perl);
// perl_free(my_perl);
// PERL_SYS_TERM();
static void
call_PrintListNew(){
printf("In the new call method\n");
char *wor[] = {"Hiiiiiiiiiiiiiii", "Satyam123333", NULL } ;
 char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
PL_perl_destruct_level = 1;
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);
 dSP ;
 perl_call_argv("PrintListNew", G_DISCARD, wor) ;
PL_perl_destruct_level = 1;
// perl_destruct(my_perl);
// perl_free(my_perl);
 // PERL_SYS_TERM();
void callNew()
call_PrintListNew();
void call ( )
call_PrintList();
//char *wor[] = {"hello","sudha",NULL};
/* char *my_argv[] = { "", "string.pl" };
 PERL_SYS_INIT3(&argc,&argv,&env);
 my_perl = perl_alloc();
 perl_construct( my_perl );
 perl_parse(my_perl, NULL, 2, my_argv, (char**)NULL);
 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
 perl_run(my_perl);*/
 // call_PrintList(); /*** Compute 3 ** 4 ***/
/* perl_destruct(my_perl);
 perl_free(my_perl);
 PERL_SYS_TERM();*/
 }And Finally the perl code
sub PrintList
 my(@list) = @_ ;
 foreach (@list) { print "$_\n" }
sub PrintListNew
 my(@list) = @_ ;
 foreach (@list) { print "$_\n" }
 }Please help me in this regard

Pass value from Java to Perl

Anyone knows how to pass value from Java to Perl program?

Did you write the perl program? Can you change it? Or are you trying to interface to something that already exists? This will limit your options, of course.
Anyway the first option is simple. The java program does this:
System.out.println("This is a line of input.");The perl program does this:
while(<>)and in that block, $_ is assigned to each line of input.
Then you can invoke both like this:
$ java MyJavaProgram | perl MyPerlProgram.pl

How to pass session from Java to Perl

Hi,
I need to pass a session value from Java to Perl, does anyone knows how can I do it?
Thanks

If you want to run java code from Perl, and have it return a single value, that's one thing: but having Perl interact with java code - calling methods, returning values - that may not be possible.
Look into python to see if it may be what you're looking for. It's a scripting language that allows real interaction with java.
If all you want to do is run java code and have it return some data, that would be trivial, so I assume that's not what you mean. But in case it is heres an idea:
Set up a network connection between them with your own protocol, seeing as both languages are good at networking.

How to send parameters from java to perl

I have a java program which is executing a perl script. I m using
Runtime.getRuntime().exec method to execute the perl script. Now I have to send some parameters to the perl script from java which will be processed there. can you help me how to do it?

nitu007 wrote:
Then there is no solution for this .Not true.
Actually the perl script was preety big and to convert it to java it will take time.That's no excuse not to do it.
So i thought i could execute it througn java.You can. CGI is basically a protocol on how to invoke programs and deal with their output; so other programs than web servers can follow it to invoke CGI scripts.
However, (1) you may find that implementing the CGI protocol from the invoker's side may be a bigger pain than it's worth, and (2) in the long run, you'll end up with a hack that will be a pain to maintain.
In your case, because the script uses CGI.pm, implementing the full CGI protocol probably won't be necessary. But you'll still be doing some klugery to run the CGI script at all, and you'll be buying yourself pain in the long run. Even if you do run it this way, I'd advise that once you have that working and have some breathing room, you start to work porting the script.

Calling PERL program from JAVA

what is the most efficient way to call PERL scripts from JAVA class?
please help,
thank you,

use of Webservices is the best answer which anyone can give you
Alright you might have to take help of XML-RPC(by hosting perl in a remote server) to call perl routines from java Class instances.
How you do that ?? please go ahead and try get more insight information from the below aritcle
http://www.javaworld.com/javaworld/jw-10-2004/jw-1011-xmlrpc.html
and if you are instrested in any other core solutions
http://www.perl.com/pub/a/2003/11/07/java.html
http://sunsite.ualberta.ca/Documentation/Misc/perl-5.6.1/jpl/docs/Tutorial.html
http://search.cpan.org/~patl/Inline-Java-0.52/Java/PerlInterpreter/PerlInterpreter.pod
http://www.perlmonks.org/index.pl?node_id=373839
the above links might intrest you.
Hope that might help :)
REGARDS,
RaHuL

How to run perl file from java file..???

Hi All,
How to run a perl file from java file.I know that there is one JPL(Java-Perl Library) preprocessor which can be used to do this,but no idea of how to do it..
Any help is appreciated.
Thanks in advance.

viswa07 wrote:
Ok and any idea regarding JPL..????I don't know it and the first few posts that I found mentioned it using Java 1.1-style JNI calls, which hints at a dead project. And you don't want to use a dead project.

Call PERL script from JAVA

I am facing a problem in running a PERL script in JAVA in UNIX box..
I am able to call ther perlscript.
Perl script has
#! /usr/local/bin/perl
print "\nEnter Your Name :";
$name = <>;
print "\nYour Name is : $name\n";
exit 0;
Perl script request for the INPUT(name) .
My Java program is
File perlfile = new File("test.pl");
Runtime runtime = Runtime.getRuntime();
Process process = runtime.exec("perl "+perlfile);
Here is the problem tat IT IS says error =2 ..What has to be the solution so tat i can CALL PERL SCRIPT as similiar to running it separatly in prompt { >perl test.pl }
PLEASE help me on this....

In the PERL SCRIPT (test.pl)
LINE 1 : #! /usr/local/bin/perl
LINE 2 : print "\nEnter Your Name :"; .
LINE 3 : $name = <>;
LINE 4 : print "\nYour Name is : $name\n";
LINE 5 : exit 0;
When i run this script in perl test.pl in prompt (UNIX BOX), i am gettin the request for name "Enter Your Name:____ " but when i call this script from Java it doesn't request for name and moreover the process doesnt ends (use ctrl+c to come out of the process).When i come out forcefully it shows the ERROR=2.
My requirement is such tat need to call a PERL SCRIPT from java so tat java process give the control to PERL script and it will continue the process..
Sample scenario:
Java move a file and store it in a new FOLDER
MY perl script will read the file in new FOLDER.
here the perl script will get the file name for processing... My issue comes here .$name is not be prompted while calling thro java..

Perl - c - java munmap_chunk(): invalid pointer

I am trying to use the JNI invocation interface from within some C code which in turn is invoked from Perl (Perl -> C -> Java).
The problem is, when the Perl process ends, i end up this:
*** glibc detected *** /usr/bin/perl: munmap_chunk(): invalid pointer: 0xb68d3880 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6(+0x6b321)[0xb7e20321]
/lib/i686/cmov/libc.so.6(+0x6c59e)[0xb7e2159e]
/usr/bin/perl(perl_destruct+0x1290)[0x807dd30]
/usr/bin/perl(main+0x95)[0x80642a5]
/lib/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb7dcbc76]
/usr/bin/perl[0x8064171]
I am simply invoking this function once, which creates the JVM and later invokes DestroyJavaVM...
static void test( void ) {
 JavaVM *jvm;
 JNIEnv *env;
 JavaVMInitArgs vm_args;
 JavaVMOption options[ 1 ];
 options[ 0 ].optionString = "-Djava.class.path=/tmp";
 vm_args.version = JNI_VERSION_1_6;
 vm_args.nOptions = 1;
 vm_args.options = options;
 vm_args.ignoreUnrecognized = 0;
 int ret = JNI_CreateJavaVM( &jvm, ( void** ) &env, &vm_args );
 if(ret < 0)
 printf("\nUnable to Launch JVM\n");
 else {
 if( (*env)->ExceptionOccurred( env ) )
 (*env)->ExceptionDescribe( env );
 (*jvm)->DestroyJavaVM( jvm );
}Can anyone offer me any clues as to what may be happening here? I am guessing that DestroyJavaVM is not freeing the resources allocated by the JVM and this interferes with garbage collection in Perl...

I am guessing that DestroyJavaVM is not freeing the resources allocated by the JVMThat definitely won't be it, as DestroyJavaVM() currently does nothing.
I would take this in three steps:
1. write a C main() that starts and stops the JVM correctly
2. write a C test() that does nothing except get called by Perl correctly
3. Have the test() start the JVM using the same code as at (1).
I would also have a look at how you are building the C exe. In my experience on Windows, sharing the C RTL doesn't work in conjunction with the JVM. Some years ago I was a whizz at fixing this sort of thing but these days I just use a static library ;-)

How to execute unix shell script from Java ...

Hi,
Anyone know how to execute unix shell script from Java?
Suppose I have several shell scripts written in perl or tcl or bash.
I just want to catch the output of that script.
Is there any ready to use module/object for this?
Please let me know, this is quite urgent for my study assigment.
Thanks in advance,
Regards,
me

Look up Runtime.exec()

Error Occured while Invoking a BPEL Process from JAVA

Hi.....
When initiating a BPEL process from JAVA the code is working fine and the Process is getting initiated.But while using that code in J2EE project as a java code and while calling that method Error is occuring.....
Here by i am attaching my JAVA Code which runs as an applicateion and package which runs in Server....
JSP and Java Method Used:
JSP Code:
===============
<%@ page import=" bo.callbpel" %>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>FEATT - I30</title>
</head>
<body>
<%
String input=request.getParameter("dnvalue");
callbpel p=new callbpel();
String Output=p.Initiate(input);
out.print("The Input Given to the BPEL Process is : "+input);
%>
 
<%
out.print("The Reply from BPEL Process is : "+Output);
%>
</body>
</html>
Java Code:
package bo;
import com.oracle.bpel.client.Locator;
import com.oracle.bpel.client.NormalizedMessage;
import com.oracle.bpel.client.delivery.IDeliveryService;
import java.util.Map;
import java.util.Properties;
import oracle.xml.parser.v2.XMLElement;
/*import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest ;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession; */
//import java.util.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class callbpel {
 public String Initiate(String value){
 String replyText=null;
 String input = value;
 System.out.println(input);
 String xmlInput= "<ns1:AccessDBBPELProcessRequest xmlns:ns1=\"http://xmlns.oracle.com/AccessDBBPEL\"><ns1:input>"+input+"</ns1:input></ns1:AccessDBBPELProcessRequest>";
 String xml="<ns1:BPELProcess1ProcessRequest xmlns:ns1=\"http://xmlns.oracle.com/BPELProcess1\">";
 xml=xml+"<ns1:input>"+input+"</ns1:input>";
 xml=xml+"</ns1:BPELProcess1ProcessRequest>";
 try{
 Properties props=new Properties();
 props.setProperty("orabpel.platform","ias_10g");
 props.setProperty("java.naming.factory.initial","com.evermind.server.rmi.RMIInitialContextFactory");
 props.setProperty("java.naming.provider.url","opmn:ormi://157.227.132.226:6003:home/orabpel");
 props.setProperty("java.naming.security.principal","oc4jadmin");
 props.setProperty("java.naming.security.credentials","oc4jadmin");
 props.setProperty("dedicated.rmicontext", "true");
 Locator locator = new Locator("default", "bpel", props);
 String uniqueBpelId = com.collaxa.cube.util.GUIDGenerator.generateGUID();
 //System.out.println(uniqueBpelId);
 //java.util.Map msgProps = new HashMap();
 System.out.println("After creating the locator object......");
 IDeliveryService deliveryService =(IDeliveryService)locator.lookupService(IDeliveryService.SERVICE_NAME);
 System.out.println("Before creating the NormalizedMessage object......");
 NormalizedMessage nm = new NormalizedMessage();
 System.out.println("After creating the NormalizedMessage object.*.*.*...");
 //msgProps.put("conversationId",uniqueBpelId);
 //nm.setProperty("conversationId",uniqueBpelId);
 nm.addPart("payload", xml);
 System.out.println("Before creating response object......");
 NormalizedMessage res = deliveryService.request("BPELProcess1", "process", nm);
 System.out.println("After calling the BPELProcess1 .*.*.*...");
 Map payload = res.getPayload();
 System.out.println("BPEL called");
 XMLElement xmlEl=(oracle.xml.parser.v2.XMLElement)payload.get("payload");
 replyText=xmlEl.getText();
 System.out.println("Reply from BPEL Process>>>>>>>>>>>>> "+replyText);
 catch (Exception e) {
 System.out.println("Exception : "+e);
 e.printStackTrace();
 return replyText;
While Creating and Object for the Class callbpel and Whilw Calling that Method
callbpel p=new callbpel();
String Output=p.Initiate(input);
Its throwing an Error:
Error Occured is:
After creating the locator object......
Before creating the NormalizedMessage object......
After creating the NormalizedMessage object.*.*.*...
Before creating response object......
Apr 24, 2008 9:12:00 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.NoClassDefFoundError: javax/ejb/EJBException
 at com.oracle.bpel.client.util.ExceptionUtils.handleServerException(ExceptionUtils.java:76)
 at com.oracle.bpel.client.delivery.DeliveryService.getDeliveryBean(DeliveryService.java:254)
 at com.oracle.bpel.client.delivery.DeliveryService.request(DeliveryService.java:83)
 at com.oracle.bpel.client.delivery.DeliveryService.request(DeliveryService.java:53)
 at bo.callbpel.Initiate(callbpel.java:55)
 at org.apache.jsp.output_jsp._jspService(output_jsp.java:55)
 at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
 at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
 at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
 at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 at java.lang.Thread.run(Unknown Source)
For Running JSP i am Using Eclipse 3.2.0 and apache-tomcat-5.5.25
Please Provide me a Solution......
Thanks in Advance.....
Regards,
Suresh K

Have got the same problem. Scenario at my end is little different though.
I am trying to invoke a BPEL process from an ESB Service.
I am trying to look into it..
However, would be grateful, if someone can give some insight into this since many are running into this issue without being able to fix.
Ashish.

CNTL_ERROR while calling a function module from Java webdynpro

I am calling a RFC function module from javawebdynpro app
which inturn calls a function module performing BDC on CAPP transaction. When I run this from SE37 of the same system or a different system everything works fine. But when called from Java webdynpro app, it raises a CNTL_ERROR exception and creates a short dump.
Any help on this is highly appreciated

Good catch, BI Learner. This was exactly it: when assigning the values from SOURCEFIELDS directly to the import/export parameters, you have to make sure that the types are EXACTLY the same, otherwise it will not work (the routine stops with an error when calling the FM, but there is no dump).
Therefore, to solve my problem, I created the declarations precisely as expected by the FM and assigned the values to these fields:
DATA:
      SOURCEVAL TYPE /BIC/OIINVQTY,
      SOURCEUOM TYPE /BIC/OIUSUOM,
      USITM TYPE /BIC/OIUSITM,
      TARGETUOM TYPE /BIC/OIUSUOM,
      CONVERTED_COST TYPE /BIC/OIINVQTY.
DATA PRODUCTION_UOM TYPE /BIC/OIUSUOM.
" get the Production UOM
    SELECT SINGLE I~/BIC/USPRDUOM
      FROM /BIC/PUSITM AS I
      INTO PRODUCTION_UOM
      WHERE I~/BIC/USITM = SOURCE_FIELDS-/BIC/USITM AND I~OBJVERS = 'A'.
    IF ( SY-SUBRC = 4 ). " no records found
      "RAISE PARTNO_NOT_FOUND.
      RAISE EXCEPTION TYPE CX_RSROUT_SKIP_RECORD.
    ENDIF.
" load the parameters
    SOURCEVAL = SOURCE_FIELDS-/BIC/USFRZMFC.
    SOURCEUOM = SOURCE_FIELDS-BASE_UOM.
    USITM = SOURCE_FIELDS-/BIC/USITM.
" then you can call the FM
    CALL FUNCTION 'Z_CA_CONVERT_US_COST'
      EXPORTING
        PSOURCEVAL                = SOURCEVAL
        PSOURCEUOM                = SOURCEUOM
        PUSITM                    = USITM
        PTARGETUOM                = PRODUCTION_UOM
      IMPORTING
        PTARGETVAL                = CONVERTED_COST
      EXCEPTIONS
        CONVERSION_NOT_MAINTAINED = 1
        PARTNO_NOT_FOUND          = 2
        OTHERS                    = 3.
" ... [do the rest]
Thanks for your help,
Dennis

Perl from java

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