Do I need to use JMS technology in my project?

Hello, I am doing one project, which is a forum. login user can write message and send to another user(user B), when user B login, the forum will inform him he has a message from user A.
to implement this, Is it compulsory to use JMS? or not necessary?

You usually do this kind of stuff via a database, not with JMS.
-- Andreas

Similar Messages

Need to use JMS in Web service for PUB/SUB pattern

Hi All,
I have JMS configured in my Web logic server 10.3.4.
I have stand alone program for JMS in PUB/SUB pattern.
I have Web service application with Apache CXF framework.
Now, the problem I need to integrate JMS in my web service application for new web service with PUB/SUB pattern.
Can any one guide me to this.
I am trying to use @WLJmsTransport annotation provided by Weblogic. Is this approach is correct?
And It is giving error during deployment that weblogic.jws.WLJmsTransport is not allowed as it is a JAX-WS type web service.
I think It is creating problem with annotation parameters.
I am using annotation like @WLJmsTransport(contextPath="transports", serviceUri="JMSTransport", queue="Queue", portName="JMSTransportServicePort")
and ConnectionFactory with name ConnectionFactory and JNDI jms/ConnectionFactory, Queue with name Queue and JNDI jms/Queue, Topic with name Topic and JNDI jms/Topic.
Thanks
Thanks in advance.
Edited by: HBM on 21 Apr, 2011 1:42 AM

Use this link.
http://webloic-wonders.com/weblogic/2011/04/30/jms-based-webservice-on-weblogic-server/
Thanks.
Harshal

Need help: Using JMS to callback a client.

Hi everyone,
I'm having a very frustrating problem. I'm just started to use JMS to overcome callback
problem with EJBs. I simply want my EJB to send something (pub/sub) to my client so it
can update some display. I first instantiate my Client and TopicConnection etc. etc. then
create the EJB, invoke it and the EJB sends some TextMessage back. However, the TextMessage
never seems to arrive at my Client. The TextListener never seems to deliver.
Here's the snippet:
EJB:
private void createPublisher() {
try {
Context ctx = new InitialContext();
System.out.println("Server looking up JMS Service");
TopicConnectionFactory conFtry = (TopicConnectionFactory) ctx.lookup("java:com
p/env/jms/MobiDTopicConnectionFactory");
topic = (Topic) ctx.lookup("java:comp/env/jms/TopicName");
con = conFtry.createTopicConnection();
session = con.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
publisher = session.createPublisher(topic);
TextMessage mesg = session.createTextMessage();
System.out.println("Server is sending message, see anything?");
mesg.setText("This is from publisher");
publisher.publish(mesg);
// Exception catching stuff snipped.
public void ejbCreate() { createPublisher(); }
Client:
public void createSubscriber() {
try {
Context ctx = new InitialContext();
TopicConnectionFactory conFtry = (TopicConnectionFactory) ctx.lookup("java:com
p/env/jms/MobiDTopicConnectionFactory");
Topic topic = (Topic) ctx.lookup("java:comp/env/jms/TopicName");
con = conFtry.createTopicConnection();
session = con.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
subscriber = session.createSubscriber(topic);
subscriber.setMessageListener(new TextListener());
con.start();
System.out.println("Connection started");
// Exception stuff snipped.
public static void main(String args[]) {
try {
ConverterClient cc = new ConverterClient();
cc.createSubscriber();
System.out.println("Subscriber is ready");
Context initial = new InitialContext();
System.out.println("Looking up the bean...");
Object ref = initial.lookup("java:comp/env/ejb/SimpleConverter");
System.out.println("Getting the home interface");
ConverterHome home = (ConverterHome) PortableRemoteObject.narrow(ref,
ConverterHome.class);
Converter conv = home.create();
double amount = conv.dollarToYen(100.00);
InputStreamReader inputStreamReader = new InputStreamReader(System.in);
char answer = '\0';
while (!((answer == 'q') || (answer == 'Q'))) {
try {
answer = (char) inputStreamReader.read();
} catch (IOException e) {
System.out.println("I/O exception: "
+ e.toString());
Can anyone spot what's wrong with the code? I've been trying to get this to work for the
past two days but to no avail. Please help...
Thank you in advance.
-vincent

Hi, thanks for all your reply.
The TextListener is the one downloaded from this website in the
tutorial but I used it in different program. Here's the TextListener:
public void onMessage(Message message) {
System.out.println("Receiving message in onMessage()");
TextMessage msg = null;
try {
if (message instanceof TextMessage) {
msg = (TextMessage) message;
System.out.println("Reading message: " +
msg.getText());
} else {
System.out.println("Message of wrong type: " +
message.getClass().getName());
} catch (JMSException e) {
System.out.println("JMSException in onMessage(): " +
e.toString());
} catch (Throwable t) {
System.out.println("Exception in onMessage():" +
t.getMessage());
Strangely, this does not work as it never print the message. Can't see what's
wrong from a glance though and I'm not getting any error message whatsoever.
However, I tried my own listener:
static class MyListener implements MessageListener {
public MyListener() { }
public void onMessage(Message msg) {
try {
System.out.println("Message received: " + ((TextMessage) msg).getText())
catch(JMSException ex) { ex.printStackTrace(); }
And this works...I just don't get it. MyListener is a static because I used it in my main().
Anyone can give any comment?
thanks,
-vincent

Need to use business objects with a project, please guide on basics.

Hello
I am a dotnet developer (asp.net with C#). I am sorry I dont know much about Business objects. Our client a financial firm wants to use Business object with a web based application. I couldn't got a clear and good understanding of Business object. The client just said Business objects allows dynamically creating reports even clients can create reports very easily even without knowing SQL.
Kindly guide me about Business Object product and its what component I should check for using it. Please mention some links that can give me introduction.
Thanks a lot,
haansi

Hi
Business Objects is not just one tool. You should ask your client what they will use e.g. Crystal Reports or Web Intelligence.
Here you can see half an hour Webinars that give you a good understanding of Business Objects:
Webinars
Regards
Roland

Best use of static constants in project level

Generally , we use magic numbers in loops & conditional statements in our code. But we have a better option of using final static variables(constants) instead of magic numbers. But the problem is if we need to use these constants in whole project then what is the best suitable place where we can put these constants in project.

At some part of the project everyone uses anyway.

Error in Configuring Data Transfer From EMS to BAM using JMS

Hi,
Hi i am trying to import data from database into BAM dataobjects using JMS.
I am able to get the data in JMS queue, but hav problem configuring BAM.
After modifying the 2 xml files on BAM server and after making required changes on adminsrator on BAM console (Changing paths of jar files),
I have to import some OBAM Artifacts. Refer
- To import Oracle BAM artifacts needed for BAM server, perform the following steps,
Copy $ORACLE_HOME/sysman/bam/emsys_all.xml into the BAM machine.
Can anyone guide me to where can i get this file emsys_all.xml. I am not bale to locate it on my BAM server.

Hi,
The file that you referred to emsys_all.xml is for integrating BAM and Enterprise Manager
More details on that can be found in
Oracle® Enterprise Manager Management Connectors Integration Guide -
http://www.oracle.com/technology/products/integration/bam/10.1.3/TechNotes/em_de.pdf
However this is not required for EMS working, take a look at this document,
http://www.oracle.com/technology/products/integration/bam/10.1.3/TechNotes/TechNote_BAM_Configurefor1013OC4J.pdf
that gives the steps for EMS.
Thanks
Ranga

How to get the incoming file name using JMS adapter and SOAP adapter

Hi Everybody,
   In one of my interface i need to get the file name of incoming flat file using JMS adapter at sender side. and then i am using xslt to convert it to IDOC and then posting to SAP IDOC.
my incoming filname are in this form price<DateTimestamp>.txt. when i do the tranformation this incoming file name should be part of one element in the IDOC which i am posting.
EX:
<IDOC
<REF>price<DateTimestamp>.txt</REF>
</IDOC>
Hope it is clear to everybody. I need your suggestion how i can capture this incoming file name and send it as part of IDOC.
Thanks
raj

If they are passing it in message id or correlation id,
you can access it using
<xsl:variable name="dynamic-conf"
        select="map:get($inputparam, 'DynamicConfiguration')" />
    <xsl:variable name="dynamic-key"
        select="key:create('http://sap.com/xi/XI/System/JMS', 'DCJMSMessageID/ DCJMSCorrelationID')" />
    <xsl:variable name="dynamic-value"
        select="dyn:get($dynamic-conf, $dynamic-key)" />
Check this:
http://help.sap.com/saphelp_nw70/helpdata/en/f4/2d6189f0e27a4894ad517961762db7/content.htm
Thanks,
Beena.

Urgent: Calling ABAP Program using JMS

Hi,
I have a scenario where legacy system pass some messages to ABAP Program and this program can handle one message at a time (written in that way).
Now the receiver communication channel is configured to access J2SE adapter. This J2SE adapter stores the message on R/3 system and triggers the ABAP program located in R/3 system.
Now when multiple messages are coming at a time in SAP-XI and processed successfully and handover to J2SE adapter. But J2SE adapter triggers the ABAP program for all messages. And here is the problem. ABAP program is not supporting multi - threading.
my idea is to use JMS adapter...can you guys suggest me how to achieve result and how to configure JMS or any other adapter to call ABAP Program so that only one message will pass to ABAP program at a time.
Regards,
Gourav Khare

Hi,
First find out where your ABAP program the data written.You need to write it into and spool then only you can see it.
Transaction SP01, you can use the FM 'GET_PRINT_PARAMETERS' in your abap program to write to spool.
Thanks,
Ravi

How to get patent of an application which uses opensource technology or platform.

Hi MSDN,
First of all I want to accept that this question is not directly related to the subject line of this forum But since I am an MSDN admirer so I am posting this here.
actually I have created a webapp which uses WEBRTC technology and also some android technology concepts . What I want is to initiate Patent process for my web application. I heard that webRTC and android both are opensource technologies and I can not get
patent by using them (as per my findings ).
So here I need your expert advice for approaching to get my Web application Patent. If you people know about anything related to it or any case study or any such related or nearly related information about getting patent of an application which uses opensource
technology , please share with me . I am hopeful that I will definitely get some good piece of information from you guys which will help me so please reply.
Thanks
Gaurav shukla.
Gaurav shukla

Hello,
First, you do not patent an "application", but an idea or a process. So, if there is an idea or a process which is inovative in your application, THAT is what you are going to patent.
The open source nature of some of the item used by your application has nothing to do with the patent application as your application is just ONE example of embodiment (literally put into a body, of physical form) of your invention.
Your application is also covered by COPYRIGHT. the copyright protects the SOURCE code, as it is written. If you are using existing source code in your application, THEY are also covered by copyright and the license associated with them might force you to
accept some conditions/setup some parameters to the license that you associate to your application. But this is separated from the patent issue.
Cyrille

How to use SSL Technology in JSP.

Can anybody Tell me that How to use SSL Technology in JSP ?
I am using Apache Tomcat 5.0.28 Server.
How to configure the Tomcat server so that it will access any web application supported by Tomcat via SSL ?
Thank you very much in advance.

The JSP does not need to know that the request is coming over SSL. If the application must be over SSL, but the server also allows non-SSL communication, then, like I said, you need to build in a Filter that will check if the incoming request is an https or http request and redirect to the https url if the request was http. And you can do that using the method listed in the previous post. As far as setting up the SSL certificate for Tomcat to use, refer to the Tomcat Documentation that comes with the server. Other than those two things, you don't need to know anything else about SSL inorder to run an SSL application through a Tomcat server (or any other enterprise server either, for that matter), but do an internet search for SSL and maybe one or two other keywords that apply to your situation and you should find plenty that will help.

URGENT -- Problem in using JMS with JBOSS

Hi,
My jar file which includes my Java/JMS classes can easily be executed when I use Sun Application server, but I don't know how I can change execute the same jar file in when I switch to JBOSS. Do I need to use ants? or I can use the original jar files?
thanks,

It can depends on your application, but basically in order to run JMS JBoss client application you need:
1) Set proper jndi settings, e.g. by placing jndi.properties to the root of your classpath.
2) Add some jars to your classpath from client folder of your jboss AS distribution. My latest application works well with concurrent.jar, jnp-client.jar and jbossall-client.jar on the classpath.
You can read more at http://docs.jboss.org/jbossas/guides/j2eeguide/r2/en/html/ch6.chapt.html It is valid for all the 4.x jboss versions. Check jboss samples also.
Best Regards,
Roman

How to Set JMS property and Read JMS property in BPEL using JMS adapter

Does any one know how to set or read more than one JMS property in BPEL using JMS adapter. My queue server is Oracle JMS server.
Any help and sample is well appreciated

Hi Van
I have noted that only the attribute "type" is missing. It seems that when you create a "string" property, the attribute "type" is droped from the XML. If you use another type (as "integer" or "double") it stays there.
If you try to read your properties, except for the "type" attribute, you should be successful, as I am. If you need, please tell me your email, I can send you my code.
Source Code:
in ASSIGN activity (process which SENDS the JMS message):
<assign name="TESTES">
<copy>
     <from expression="'string'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[1]/@type"/>
</copy>
<copy>
     <from expression="'name'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[1]/@name"/>
</copy>
<copy>
     <from expression="'value1'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[1]/@value"/>
</copy>
<bpelx:append>
     <bpelx:from>
     <Property name="" type="" value=""
          xmlns="http://xmlns.oracle.com/pcbpel/adapter/jms/"/>
     </bpelx:from>
     <bpelx:to variable="HeaderJms" part="outboundHeader"
          query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties"/>
</bpelx:append>
<copy>
     <from expression="'string'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[2]/@type"/>
</copy>
<copy>
     <from expression="'name2'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[2]/@name"/>
</copy>
<copy>
     <from expression="'value2'"/>
     <to variable="HeaderJms" part="outboundHeader"
     query="/ns5:JMSOutboundHeadersAndProperties/ns5:JMSOutboundProperties/ns5:Property[2]/@value"/>
</copy>
</assign>
in ASSIGN activity (process which READS the JMS message)
<assign name="Assign_1">
<copy>
<from variable="Variable_1" part="inboundHeader"
query="/ns3:JMSInboundHeadersAndProperties/ns3:JMSInboundProperties/ns3:Property[10]/@name"/>
<to variable="temp"/>
</copy>
<copy>
<from variable="Variable_1" part="inboundHeader"
query="/ns3:JMSInboundHeadersAndProperties/ns3:JMSInboundProperties/ns3:Property[10]/@value"/>
<to variable="temp"/>
</copy>
<copy>
<from variable="Variable_1" part="inboundHeader"
query="/ns3:JMSInboundHeadersAndProperties/ns3:JMSInboundProperties/ns3:Property[12]/@name"/>
<to variable="temp"/>
</copy>
<copy>
<from variable="Variable_1" part="inboundHeader"
query="/ns3:JMSInboundHeadersAndProperties/ns3:JMSInboundProperties/ns3:Property[12]/@value"/>
<to variable="temp"/>
</copy>
</assign>
Note that I do not try to read the "type" attribute, otherwise it will fail.
Here is the JMS Header Message received:
<inboundHeader>
<JMSInboundHeadersAndProperties xmlns="http://xmlns.oracle.com/pcbpel/adapter/jms/">
<JMSInboundHeaders>
<JMSCorrelationID>
bpel://localhost/pi_lms-c001e/BpelPiAtualizacaoC001E~1.0/3200025-BpInv0-BpSeq1.6-2
</JMSCorrelationID>
<JMSDeliveryMode>2</JMSDeliveryMode>
<JMSExpiration>0</JMSExpiration>
<JMSMessageID>ID:467DFA1FA1ED459EBF37F51F596C3F12</JMSMessageID>
<JMSPriority>4</JMSPriority>
<JMSRedelivered>false</JMSRedelivered>
<JMSType>com.mercurio.lms.integration.c001eip.c001EIntegrationPoint</JMSType>
<JMSTimestamp>1201552046253</JMSTimestamp>
</JMSInboundHeaders>
- <JMSInboundProperties>
<Property name="JMSXDeliveryCount" type="integer" value="1"/>
<Property name="JMSXRecvTimestamp" type="long" value="1201552046698"/>
<Property name="JMSXUserID" value="lms_dev_int_v1_user"/>
<Property name="JMS_OracleDeliveryMode" value="2"/>
<Property name="JMS_OracleTimestamp" type="long" value="1201552046253"/>
<Property name="JMS_OracleDelay" type="long" value="0"/>
<Property name="JMSXState" type="integer" value="0"/>
<Property name="IAS_VERSION" value="10.1.3"/>
<Property name="JMS_OracleDeliveryMode" value="2"/>
<Property name="name" value="value1"/> ("type" attribute was droped!!!)
<Property name="JMS_OracleTimestamp" type="long" value="1201552046253"/>
<Property name="name2" value="value2"/> ("type" attribute was droped!!!)
</JMSInboundProperties>
</JMSInboundHeadersAndProperties>
</inboundHeader>
Regards
Marcelo

MQ Message content conversion using JMS

I want to use JMS content conversion to convert MQ messages into XML (Idoc). We currently use the R/3 link application to send data to/from MQ to SAP.
Each MQ message is one continuous stream of data with no carriage returns or line feed between the header and lines. When I set-up the JMS mapping commands, it sees the message as one string of data and does not map out the separate idoc segments. Can I use JMS file content conversion or will I need some type of JAVA mapping module to handle the mapping for each different type of Idoc segment? If it;s JAVA, could you provide an example. Thanks Jim

Hi Jim,
Go through the following link which disscusses the JMS Content Conversion.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f02d12a7-0201-0010-5780-8bfc7d12f891
Amaresh

Should I use JMS?

I have a new project where I need to send XML messages to a client from a server and vice-versa. However, my clients are embedded 16-bit micros and my server application is written in Java. The clients will be mobile, connected via a wireless network and may be connected or not connected at times to the network.
I want to be able to queue outgoing messages for each client so when the client becomes availiable on the network the server can send the necessary messages to the client. But the client cannot use JMS API to subscribe...etc to queues, it can only send simple commands using XML to the server via a socket.
Is JMS something I can use here?
Any suggestions and information is appreciated.
Thanks.
Dave

Sounds like we are trying to do simillar things :)
Why cannot your client use JMS ?
You can embed XML messages inside JMS messages, so you should be able to send messages both ways.
I curious how you are attaching to the JMS bus without being a JMS client?
-CG

Do i have to use JMS with EJBS?

Hi
I want to use JMS as a messaging system (a queue) between my system and someone elses. I would like to have some java classes on Tomcat to do the job. But...whenever i hear about JMS i always hear it in relation to EJBs. Can i only use JMS with EJBS?
If i can use JMS is there anything important i need to know about.
Thanks in advance!
San H.

As far as I understand you are use JNDI and JMS is not bound with EJB's. These are java API's which are independent. Like JDBC you can use with Servlets, Applets, standalone applications, EJB, JMS etc etc.......
In the same way you can use JNDI and JMS with diferent API. And the important feature of Java is that all java API interact with each other when these are independent. I would appricate comments of everyone......................Thanks

Do I need to use JMS technology in my project?

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