Trying to invoke a Java class from BPEL Proces using Java Embedding

Hi All,
I have a requirement to invoke a Java class from the BPEL process;
I am trying to import the class by "* <bpelx:exec import="+package_name.classname+"/>*.
But, while compiling, I get the following error:
"Error(19,57): Failed to compile bpel generated classes. failure to compile the generated BPEL classes for BPEL process "BPEL_PROCESS_NAME" of composite "default/COMPOSITE_NAME!1.0"
The class path setting is incorrect. Ensure that the class path is set correctly. If this happens on the server side, verify that the custom classes or jars which this BPEL process is depending on are deployed correctly. Also verify that the run time is using the same release/version."
Referred the scac.log:
SAXParseException in file +project_path+\composite.xml
org.xml.sax.SAXParseException: <Line 29, Column 32>: XML-24535: (Error) Attribute 'http://www.w3.org/XML/1998/namespace:id' not expected.
     at oracle.xml.parser.v2.XMLError.flushErrorHandler(XMLError.java:422)
     at oracle.xml.parser.v2.XMLError.flushErrors1(XMLError.java:287)
     at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:335)
     at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:318)
     at oracle.soa.scac.ValidationFaultUtil.validateStreamWithSchema(ValidationFaultUtil.java:146)
     at oracle.soa.scac.ValidationFaultUtil.validateCompositeWithSchema(ValidationFaultUtil.java:120)
     at oracle.soa.scac.ValidateComposite.validateWithSchema(ValidateComposite.java:1480)
     at oracle.soa.scac.ValidateComposite.doValidation(ValidateComposite.java:519)
     at oracle.soa.scac.ValidateComposite.main(ValidateComposite.java:223)
May 19, 2010 6:46:29 PM com.collaxa.cube.CubeLogger info
INFO: LibClasspath=E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\commonj.sdo_2.1.0.jar;E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\oracle.fabriccommon_11.1.1\fabric-common.jar;E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\oracle.xdk_11.1.0\xmlparserv2.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-common.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-exts.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-thirdparty.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-validator.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-client.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-ext.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-runtime.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\oracle.soa.fabric.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\soa-infra-tools.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.ext_11.1.1\./classes
May 19, 2010 6:46:37 PM com.collaxa.cube.CubeLogger info
INFO: validating "RHMEDIInboundProcess.bpel" ...
May 19, 2010 6:46:37 PM com.collaxa.cube.CubeLogger warn
WARNING: CubeProcessor.compileGeneratedClasses() classpath is: E:\Softwares\OracleFMW\jdeveloper\jdev\extensions\oracle.sca.modeler.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-runtime.jar;E:\Softwares\OracleFMW\oracle_common\modules\oracle.fabriccommon_11.1.1\fabric-common.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.mediator_11.1.1\mediator_client.jar;E:\Softwares\OracleFMW\oracle_common\modules\oracle.mds_11.1.1\mdsrt.jar;C:\JDeveloper\mywork\InboundEDI_RnD\parseInboundEDIXML\classes\com\onerheem\integration\EDIInboundProcess\parseInboundEDIXML.jar;;C:\JDeveloper\mywork\InboundEDI_RnD\RHMEDIInboundProcess\SCA-INF\classes;C:\JDeveloper\mywork\InboundEDI_RnD\RHMEDIInboundProcess\SCA-INF\classes;C:\JDeveloper\mywork\InboundEDI_RnD\RHMEDIInboundProcess\SCA-INF\gen-classes;E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\commonj.sdo_2.1.0.jar;E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\oracle.fabriccommon_11.1.1\fabric-common.jar;E:\Softwares\OracleFMW\jdeveloper\..\oracle_common\modules\oracle.xdk_11.1.0\xmlparserv2.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-common.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-exts.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-thirdparty.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel-validator.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.bpel_11.1.1\orabpel.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-client.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-ext.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\fabric-runtime.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\oracle.soa.fabric.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.fabric_11.1.1\soa-infra-tools.jar;E:\Softwares\OracleFMW\jdeveloper\soa\modules\oracle.soa.ext_11.1.1\./classes
Any suggestions to rectify the same?

Hi,
I wud suggest you to make a jar of ur java class and include it in the project libraries of BPEL and make use of java embedded activity this way it works.
have a luk at below link:
http://niallcblogs.blogspot.com/search/label/embedded%20Java

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********START : LocallyConnect2BPELPM.java ************************************************
package com.collaxa.cube.ant.taskdefs.deploy;
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import com.oracle.bpel.client.IBPELDomainHandle;
import com.oracle.bpel.client.IBPELProcessHandle;
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*************END : LocallyConnect2BPELPM.java **********************************************
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     at com.collaxa.cube.ant.taskdefs.deploy.LocallyConnect2BPELPM.main(LocallyConnect2BPELPM.java:60)
Caused by: java.lang.IllegalStateException: [EJB:010158]Illegal attempt to call EJBContext.setRollbackOnly() from an EJB that was not participating in a transaction.
     at com.collaxa.cube.ejb.impl.BaseCubeSessionBean.setTransactionRollback(BaseCubeSessionBean.java:184)
     at com.collaxa.cube.ejb.impl.BPELDomainManagerBean.getSuitcase(BPELDomainManagerBean.java:1544)
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     at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:553)
     at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:224)
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     at weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:61)
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Caused by: java.lang.IllegalStateException: [EJB:010158]Illegal attempt to call EJBContext.setRollbackOnly() from an EJB that was not participating in a transaction.
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     ... 13 more
--- Nested Exception ---
java.lang.IllegalStateException: [EJB:010158]Illegal attempt to call EJBContext.setRollbackOnly() from an EJB that was not participating in a transaction.
     at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:215)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:338)
     at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:252)
     at com.collaxa.cube.ejb.impl.DomainManagerBean_tho2et_EOImpl_923_WLStub.getSuitcase(Unknown Source)
     at com.oracle.bpel.client.BPELDomainHandle.getSuitcase(BPELDomainHandle.java:234)
     at com.collaxa.cube.ant.taskdefs.deploy.LocallyConnect2BPELPM.main(LocallyConnect2BPELPM.java:60)
Caused by: java.lang.IllegalStateException: [EJB:010158]Illegal attempt to call EJBContext.setRollbackOnly() from an EJB that was not participating in a transaction.
     at com.collaxa.cube.ejb.impl.BaseCubeSessionBean.setTransactionRollback(BaseCubeSessionBean.java:184)
     at com.collaxa.cube.ejb.impl.BPELDomainManagerBean.getSuitcase(BPELDomainManagerBean.java:1544)
     at com.collaxa.cube.ejb.impl.DomainManagerBean_tho2et_EOImpl.getSuitcase(DomainManagerBean_tho2et_EOImpl.java:615)
     at com.collaxa.cube.ejb.impl.DomainManagerBean_tho2et_EOImpl_WLSkel.invoke(Unknown Source)
     at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:553)
     at weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:224)
     at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:443)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
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     at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:439)
     at weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:61)
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     at com.collaxa.cube.ejb.impl.BaseCubeSessionBean.setTransactionRollback(BaseCubeSessionBean.java:180)
     ... 13 more
Process exited with exit code 1.
Thanks in advance for your time !!
Sameer
Server side:
Oracle BPEL v10.1.3.4.0
MLR 8 patched.
Windows 2003
underlying server : weblogic 9.2
client side: (while running the above java code)
windows vista
ANT: version 1.6.5
Java: Jrockit 1.5.2

Hi
I have been trying what you want to achieve. I was getting some other error.
Then I tried to print the suitcase Id as returned by process.getMetaData().getSuitcaseId() and this is returning null.
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How do I do that?
Can I make it and test it all locally from my workstation (only JDeveloper installed, I guess there's nothing that can execute the bpel code?), or do I have to compile class etc (make war-file?) and deploy to SOA server (BPEL-INF/lib or classes?) before anything can be tested?
(I guess all this is simple, once you know how, but being a newbie to this I need a shove in the right direction :-)
Regards,
-Haakon-

To create a java class and dependent jars inside the BPEL process project you need to do the following:
1. Right click on your BPEL process project and select New and then Java Class from the Items.
2. Make the BPEL process project, JDeveloper would compile the java classes and add them into the BPEL suite case jar, see the output folder and check the BPEL suite case jar file for java classes and dependent jars.
You can test your Java classes from JDeveloper IDE, no need to deploy the classes on SOA server. When you make the BPEL project it compiles .bpel files and Java classes. You can test your classes once .bpel file and java classes compiled successfully.
Regards,
Dharmendra
http://soa-howto.blogspot.com

Is it possible to invoke a Java class from Data Services 4.0?

Is it possible to invoke a Java class from Data Services? I have a query transform with a varchar column which I want to run an external java class against to encrypt the string value. In the Management Console, I created an adapter of type TestAdapter and referenced my jar file in the Classpath section, but when I create a Datastore of type Adapter I can't import any functions related to my java class? It seems like I need to create a new Adapter type similar to the TestAdapter with the 'Adapter Class' set to my java class? I can't figure out how to do this - which is the correct approach and is there some documentation available? thanks!

First u nees to imoprt the class which u are doing right
then u need to call the function of the class , and then you can put the value in a string .
DbCon.function()
String data = DbCon.db;
where db is a string in DbCon
Cheers
Varun Rathore

I want to call External Java class from the PL/SQL

Hi,
I am using Oracle Apps R11i (11.5.7), I wanted to call external Java class from the PL/SQL. This external Java class is residing in another application server.
How do I do this.
I know one way. Develop C routine in Oracle Apps to call external java class and call this C routine from the PL/SQL.
Is there any simple method available? or any other method?
Thanks in advance.
-Venkat

First of all, this is a Java application you're talking about, right (i.e. it has a main() function)? It's not just a class that you're trying to instantiate is it? If it's an application, you obviously have to start a new virtual machine to run it (rather than using the virtual machine built into the database like stored java). I'm a little leary of your mention of an "application server" as this would more commonly mean that a virtual machine is already over there running with access to this class. In which case, you'd typically interface with SOAP or some other RPC API.
All that aside, as long as you have physical disc access (through NFS or whatever) to the class file, you could use a java wrapper class with a system call to do this. In fact, there is a thread in just the last day or so on this very forum that has the code to do just that (see " Invoking OS Commands from PL/SQL"). However, it's worth noting that the virtual machine will be running on the database server in this case and not the application server.

How to call Java class from Forms 6i?

Hi friends,
I need to call a Java class from my Forms 6i application.
(It runs under WIndows XP. It's a client/server application and I have only the client and the Form builder installed on my PC)
I don't know almost anything about Java's world so your help would be very useful for me.
Could you tell me exactly what i have to do?
I've read in metalink several Notes, but they supposed that the Java architecture is already installed in the computer.... I only have the default installation of Developer 6i... so I would need to know:
- How to install/configure the neccesary to execute Java classes without problem
- How to invoke the .class from Forms 6i.
Thanks a lot
Jose.

And also this one:
Problem Description
Installed Forms 6i Rel 2 on a MS Windows machine. When trying to Import the Java
Classes getting the errors
PDE-UJI0001 Failed to create the JVM
Solution Description
You need to to install JDK 1.2.2 to run the Java Importer. And set the PATH's
and classpath's correctly.
Explanation
1. Download and install the JDK 1.2.2.
Possibly available at: http://java.sun.com/products/archive/
2. Assuming the JDK 1.2.2 is installed in c:\jdk1.2.2 directory and the JRE in
C:\PROGRA~1\JAVASOFT\JRE\1.2 directory; ORACLE_HOME=C:\Dev6iR2.
Set the PATH to
set PATH=c:\jdk1.2.2\bin;C:\PROGRA~1\JAVASOFT\JRE\1.2\bin;C:\PROGRA~1\JAVASOFT\JRE\1.2\bin\classic;%PATH%
( If you are using ias9i then the JDK 1.2.2 comes with the ias installtion ,
in this case please set the PATH to
D:\ias9i\Apache\jdk\bin;D:\ias9i\Apache\jdk\jre\bin;D:\ias9i\Apache\jdk\jre\bin\classic;%PATH% )
3. Set the CLASSPATH to set CLASSPATH=%CLASSPATH%;C:\Dev6iR2\TOOLS\COMMON60\JAVA\IMPORTER.JAR;.
(If you do not set the CLASSPATH correctly you will get the error
PDE-UJI002 Unable to find the required java importer classes)
4. Now run the Forms Builder by using the command.
C:\Dev6iR2\bin\ifbld60.exe
Now the Java Importer Should Run fine.
Francois

Calling java class from SLSB

I am trying to call a java class from SLSB . There are external jars which are imported in my java class . When i try to instatiate the java class in SLSB. It ia not able to access the external jars. It gives the following exception :
0000002e ExceptionUtil E CNTR0020E: EJB threw an unexpected (non-declared) exception during invocation of method "applyRules" on bean "BeanId(MDB_SLSBEAR#MDB_SLSB.jar#msgProcess, null)". Exception data: java.lang.NoClassDefFoundError: org.springframework.context.ApplicationContext
My code is as follows :
SLSB:
package com.vsnl.ejbs;
import com.vsnl.pricing.bizObjects.CustomizedRateRequest;
import com.vsnl.pricing.bizObjects.RateRequest;
import com.vsnl.pricing.dao.ARR.AutoprocsMain;
import org.springframework.context.ApplicationContext;
* Bean implementation class for Enterprise Bean: msgProcess
public class msgProcessBean implements javax.ejb.SessionBean {
static final long serialVersionUID = 3206093459760846163L;
private javax.ejb.SessionContext mySessionCtx;
* getSessionContext
public javax.ejb.SessionContext getSessionContext() {
return mySessionCtx;
* setSessionContext
public void setSessionContext(javax.ejb.SessionContext ctx) {
mySessionCtx = ctx;
* ejbCreate
public void ejbCreate() throws javax.ejb.CreateException {
* ejbActivate
public void ejbActivate() {
* ejbPassivate
public void ejbPassivate() {
* ejbRemove
public void ejbRemove() {
public void applyRules(CustomizedRateRequest customizedRateRequest){
System.out.println("RR ID in SLSB***"+customizedRateRequest.getProductCustomerId());
System.out.println("RR ID in SLSB$$$"+customizedRateRequest.getIsDestFlag());
try{
System.out.println(" before the callng of commented function ");
AutoprocsMain autoprocsMain = new AutoprocsMain();
System.out.println(" after making instance ");
//autoprocsMain.applyRules(customizedRateRequest);
catch(Exception e){
e.printStackTrace();
My Java Class:
package com.vsnl.pricing.dao.ARR;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import com.vsnl.pricing.dao.ARR.Base;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Logger;
import org.drools.FactHandle;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.WorkingMemory;
import org.drools.compiler.PackageBuilder;
import org.drools.rule.Package;
import org.springframework.context.ApplicationContext;
import com.vsnl.pricing.bizObjects.Customer;
import com.vsnl.pricing.bizObjects.RateRequest;
import com.vsnl.pricing.interfaces.ARR.IARRDAO;
import com.vsnl.util.VSNLLogger;
import com.vsnl.pricing.bizObjects.InnerObject;
import com.vsnl.pricing.bizObjects.CustomizedRateRequest;
public class AutoprocsMain extends Base{
private static Log log=LogFactory.getLog(AutoprocsMain.class);
private static Logger logger = Logger.getLogger(Invoker.class);
ApplicationContext ctx;
//ApplicationContext ctx;//=configure();
IARRDAO autoprocsDAO;//=(IAutoprocsDAO)ctx.getBean("autoProcDAOTarget");
public AutoprocsMain() {
System.out.println(" inside the Autoproc constructor");
//VSNLLogger.debug(logger, "before creatiom of CTX");
//System.out.println(" before creation of CTX ");
try{
//System.out.println(" inside the Autoproc constructor");
ApplicationContext ctx=configure();
autoprocsDAO=(IARRDAO)ctx.getBean("arrTarget");
catch(Exception e)
//VSNLLogger.error(logger, e.getMessage());
//VSNLLogger.debug(logger, "after creation of CTX");
//System.out.println(" after creation of CTX ");
public void applyRules(CustomizedRateRequest customizedRateRequest)throws Exception{
RateRequest rateRequest=new RateRequest();
List rateRequestObjs= new ArrayList();
List<CustomizedRateRequest> CustomizedRateRequestObjs=new ArrayList<CustomizedRateRequest>();
try{
//rateRequest= autoprocsDAO.getRecord();
rateRequestObjs=autoprocsDAO.getAllRateRequests();
//VSNLLogger.debug(logger, " AFTER THE CALL OF getAllRateRequests() function ");
CustomizedRateRequestObjs=autoprocsDAO.getCustomizedObjects(rateRequestObjs);
catch(Exception e)
//VSNLLogger.error(logger, e.getMessage());
RuleBase ruleBase=readRule();
WorkingMemory workingMemory = ruleBase.newStatefulSession();
FactHandle handle =workingMemory.insert(customizedRateRequest);
//customizedRateRequest.setContinueRule("1");
workingMemory.fireAllRules();
if(CustomizedRateRequestObjs.size()>0)
FactHandle handle =workingMemory.insert(CustomizedRateRequestObjs.get(0));
for(int i=0;i<CustomizedRateRequestObjs.size();i++)
CustomizedRateRequest customizedRateRequest=CustomizedRateRequestObjs.get(i);
customizedRateRequest.setContinueRule("1");
workingMemory.modifyInsert(handle,customizedRateRequest );
workingMemory.fireAllRules();
System.out.println(" after the firing of all rules ");
public static void main (String args[])
AutoprocsMain procsMain = new AutoprocsMain();
try{
procsMain.applyRules();
catch(Exception e)
e.printStackTrace();
private static RuleBase readRule() throws Exception {
System.out.println(" ****** inside readrule &&&& ");
//read in the source
Reader source = new InputStreamReader( AutoprocsMain.class.getResourceAsStream( "/Sample.drl" ) );
// Reader source1 = new InputStreamReader( AutoprocsMain.class.getResourceAsStream( "/com/vsnl/resources/Sample2.drl" ) );
//Reader source = new InputStreamReader( AutoprocsMain.class.getResourceAsStream( "/com/vsnl/resources/CustomerDiscount.drl" ) );
//optionally read in the DSL (if you are using it).
//Reader dsl = new InputStreamReader( DroolsTest.class.getResourceAsStream( "/mylang.dsl" ) );
//Use package builder to build up a rule package.
//An alternative lower level class called "DrlParser" can also be used...
System.out.println(" after package builder ");
PackageBuilder builder = new PackageBuilder();
System.out.println(" after package builder ");
//this wil parse and compile in one step
//NOTE: There are 2 methods here, the one argument one is for normal DRL.
builder.addPackageFromDrl( source );
System.out.println(" after add package source");
//builder.addPackageFromDrl(source1);
System.out.println(" after add package source1");
//Use the following instead of above if you are using a DSL:
//builder.addPackageFromDrl( source, dsl );
//get the compiled package (which is serializable)
Package pkg = builder.getPackage();
System.out.println(" after get package ");
//add the package to a rulebase (deploy the rule package).
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
System.out.println(" end of read rule function");
return ruleBase;
public IARRDAO retBean()
return null;
}

Hi i am new to EJB .
please explain me the problem ..and kindly tell me to how to add this in classpath. I am using webSphere application server.
I added this in the classpath in the startup script.
I also added all the required jars in the EAR libraries ( I am using the RAD IDE).
Please help.

Calling a Java Class from PL/SQL

Hai,
I need a technique of calling a class file and invoke its
methods written in Java by PL/SQL for my intranet development.
PLease let me know if you have really experienced and won.
Thanks
JOhnson

First, to call a Java class from PL/SQL the class needs to be
deployed to the database. you can check the 8i documentation for
the instructions for loading Java into the database(LoadJava).
The document contains information on how to load the Java and
call it from PL/SQL. The following links should help.
Loading Java:
http://otn.oracle.com/docs/products/oracle8i/doc_library/817_doc/
java.817/a83728/03write6.htm
Invoking a Java Method in the database:
http://otn.oracle.com/docs/products/oracle8i/doc_library/817_doc/
java.817/a83728/04jserv2.htm
Gary (JDev Team)

Calling my Java class from JSP page

Hello, I am trying to call my Java class from my JSP page passing parameters to it and getting back a collection of result sets. Can someone tell me what I might be doing wrong:
JSP code to call Java class:
<%
String strEssUser = "test";
String strProcessingMonth = "JUL";
String strProcessingYear = "2002";
strQueryList=new ListReturn(strEssUser.toString(), strProcessingMonth.toString(), strProcessingYear.toString());
%>
I get this error when I try to run this JSP page using tomcat:
C:\Program Files\Apache Tomcat 4.0\work\Standalone\localhost\em\jsp\Test_0005fSummarySBU_0005fscreen$jsp.java:77: Class org.apache.jsp.ListReturn not found.
strQueryList=new ListReturn(strEssUser.toString(), strProcessingMonth.toString(), strProcessingYear.toString());
I'm not sure if this problem is the way I am calling the Java class, or if I have a problem in the Java code itself. Can anyone help?

Ok, I get a very strange error now:
org.apache.jasper.JasperException: Unable to compile class for JSPerror: An error has occurred in the compiler; please file a bug report (http://java.sun.com/cgi-bin/bugreport.cgi).
What is this??? Anyone?

How do you call a java class from the main method in another class?

Hi all,
How do you call a java class from the main() method in another class? Assuming the two class are in the same package.
Thanks
SI
Edited by: okun on May 16, 2010 8:40 PM
Edited by: okun on May 16, 2010 8:41 PM
Edited by: okun on May 16, 2010 8:47 PM

georgemc wrote:
To answer your impending question, either the method you're calling has to be static, or you need an instance of that other class to invoke it against. Prefer the latterAnd to your impending question after that: no, don't use the Singleton pattern.

Can we call Java class from LiveCycle Process?

hi..
I have a general query, is it possible to call customeized java class from Workbench Process?
I found dat we can invoke a web service... is there some operation like that for calling a java class...
Thanks and Regards,
Ambika

Yes.
You can use the Script service and put your Java code in there
Or build your own component, which is really a Java pojo, and deploy it to LiveCycle. See http://livedocs.adobe.com/livecycle/8.2/programLC/programmer/help/000934.html.
Jasmin

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