Accessing a oracle DB from web AS in a DMZ zone

Hi all,
I using a webdynpro application where the backend is a oracle system.This system is different from the server.
say the Web AS server is SYS1
and the server which has oracle as SYS2.
I have created a DB in oracle DB of SYS2 and created a SID,user etc.
When i connect to this DB from inside a network there is no problem in connecting.But i have a requirement where the webAS server (SYS1 ) is placed outside the local network we are in i.e its placed in a DMZ zone. Now when i run the applcation the data from the oracle DB is not accessible..Are there any settings in visual admn which i shud enable.(I have opened the ports 1521 and 1527 also !)
And one more point ..I am not using a datasource. I am using EJB where i am directly using the driver manager class with system ip to connect to the oracle system.
how do i solve the problem
Regards
Bharathwaj
Message was edited by: Bharathwaj R

Hi,
Are you able to ping from SYS1 to SYS2.
If yes then you will be able to access the SYS2 otherwise seek help from network Administrator to do the settings at his end so that you can ping from SYS1 to SYS2. or make that machine internet enbale so that you can access it directly over the internet.
Alok Sahu

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How can I access the Oracle CEP from the a simple java code

I want to access the current values in coherence cache and show those in a screen. So for that I want to create a java class which can access the Coherence cache of the CEP application and get the current values in the Cache.
Do anyone had any sample code for this, or any idea how to do this.

As mentioned, you can use Spring to pass a reference to your cache to an event bean as shown below.
Once you have a reference to the cache you can use whatever Coherence APIs you need.
For example: get an object based on the key, perform an invoke, or a query to get the values that you want to display.
Here's some sample code:
IN EPN
<wlevs:caching-system id="CoherenceCachingSystem" provider="coherence" />
<wlevs:cache id="TransactionCache" caching-system="CoherenceCachingSystem"
          value-type="TransactionAmount" key-class="com.oracle.poc.event.TransactionAmountKey">
</wlevs:cache>
<wlevs:event-bean id="TransactionCacheQuery" class="com.oracle.cep.eventbeans.TransactionCacheQuery">
     <wlevs:listener ref="P1TotalChannel" />
     <wlevs:instance-property name="transactionCache" ref="TransactionCache" />
</wlevs:event-bean>
EVENT BEAN:
import com.tangosol.net.NamedCache;
import com.tangosol.util.aggregator.DoubleSum;
import com.tangosol.util.filter.EqualsFilter;
public class TransactionCacheQuery implements StreamSource, StreamSink {
     private StreamSender streamSender_;
     @SuppressWarnings("unchecked")
     private Map transactionCache;
     @SuppressWarnings("unchecked")
     public void setTransactionCache(Map transactionCache) {
          this.transactionCache = transactionCache;
     public void setEventSender(StreamSender sender) {
          streamSender_ = sender;
     public void onInsertEvent(Object event) throws EventRejectedException {
          if (event != null){
               if (event instanceof MyEvent){
                    MyEvent my = (MyEvent)event ;
                    NamedCache cache = (NamedCache)transactionCache ;
                    Object totalAmount = cache.aggregate(
                              new EqualsFilter("getACCT_NUMBER", my.getACCT_NUMBER()),
                              new DoubleSum("getAmount"));
                    double transactionsTotal = 0.00 ;
                    if (totalAmount instanceof Double){
                         transactionsTotal = ((Double)totalAmount).doubleValue();
                    my.setTransactionsTotal(transactionsTotal);
                    // send new event to the processor
                    streamSender_.sendInsertEvent(my);
}

Can't get JSF to access managed bean methods from web page

I'm using NetBeans 6.7.1 and Glassfish v2.1
Having problems here can somebody please help? It is really
frustrating because I have written apps like this before in fact I
used one as a model to create an even simpler app and still can't get
it to work. I ran it through the debugger and it stops in the
constructor so it looks like the bean object is being created, but the
setUid method and the testit method are not being entered when I click
on the enter commandbutton. Can somebody PLEASE give me an idea as to
what might be going on? I am totally stumped and this is holding up
some important work I need to get done. Any help would be greatly
appreciated:
web.xml:
- Show quoted text -
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<context-param>
<param-name>com.sun.faces.verifyObjects</param-name>
<param-value>false</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.validateXml</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>/faces/*</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>faces/welcomeJSF.jsp</welcome-file>
</welcome-file-list>
</web-app>
faces-config.xml:
<?xml version='1.0' encoding='UTF-8'?>

<faces-config version="1.2"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd">
<managed-bean>
<managed-bean-name>testbean</managed-bean-name>
<managed-bean-class>com.lingosys.quoteest.testbean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<navigation-rule>
<from-view-id>/go.jsp</from-view-id>
<navigation-case>
<from-outcome>correct</from-outcome>
<to-view-id>/ok.jsp</to-view-id>
<redirect/>
</navigation-case>
</navigation-rule>
</faces-config>
go.jsp:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%--
This file is an entry point for JavaServer Faces application.
--%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>JSP Page</title>
</head>
<body>
<f:view>
<h1>JAS Generator</h1>
<p/>
<h:form id="testForm" enctype="multipart/form-data" >
<p/>Both fields are required.
<p/>Enter Test ID: <h:inputText id="pid"
value="#{testbean.uid}" required="true"/>
<p/><h:commandButton value="Enter"
action="#{testbean.testit}"/>
</h:form>
</f:view>
</body>
</html>
testbean.java:
* To change this template, choose Tools | Templates
* and open the template in the editor.
package com.lingosys.quoteest;
* @author mphoenix
public class testbean {
private String uid;
public testbean() {
int x=0;
public String getUid() {
return uid;
public void setUid(String uid) {
this.uid = uid;
public String testit() {
return "correct";
}

MikePhoenix wrote:
enctype="multipart/form-data"
Why?
Oh, in the future please post code in code blocks. Use the CODE button to get them. Use the Preview tab to see if anything went right.

Accessing a oracle DB from web AS in a DMZ zone

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