Message delivery mode for singleton MDB

hi,
I have configured my MDB's pool size to 1. When I simultaneously post 100 messages to the queue, the messages get processed one by one, but when I try to browse the queue, I get no messages in it.
Is there a way to configure the queue/qcf/MDB so that I am able to see the list of the remaining messages which have not been processed.
BTW, I am able to see all the messages(which are of my interest) as pending messages in the server console.

I am using Weblogic 8.1

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Specifying message delivery time for a JMS queue

          Guys,
          Can anyone tell me as to if it possible to specify message delivery from a JMS
          queue to a listening MDB at a specified interval in weblogic . I mean I need
          to post messages to the JMS queue but I need the messages to be delivered to the
          MDB's after lets say 30 seconds .
          How can I do it using the weblogic console ?? Which property do i need to change
          Please advise.
          Thanks
          Kar


Hi,
          Message delivery time can be set programmatically,
          or through a console override. In your case, set it via
          the console with the value "30000".
          This feature has been available since 6.1, and is a
          JMS extension.
          Here is the link to the 8.1 documentation:
          http://edocs.bea.com/wls/docs81/jms/implement.html#1235262
          And for a full list of WL JMS features, see here:
          http://edocs.bea.com/wls/docs81/jms/intro.html#jms_features
          Tom
          kar piyush wrote:
          > Guys,
          >
          > Can anyone tell me as to if it possible to specify message delivery from a JMS
          > queue to a listening MDB at a specified interval in weblogic . I mean I need
          > to post messages to the JMS queue but I need the messages to be delivered to the
          > MDB's after lets say 30 seconds .
          >
          > How can I do it using the weblogic console ?? Which property do i need to change
          > ?
          >
          > Please advise.
          >
          > Thanks
          >
          > Kar
          >
          >

Biztalk message delivery throtlling Reson -3 Unprocesssed message

Hi,
I have ran the MBV report and i see that throttling on one of the delivery throttling on one of the host
can you let me know what is the possible cause for this?

Hi Sujith,
Message delivery throttling for a particular host can because of many reasons.
It could be due to:
Imbalanced message delivery rate (input rate exceeds output rate)
High in-process message count
Process memory pressure
System memory pressure
High thread count
User override on delivery
Did you receive any other critical warnings other than the host throttling?
I would recommend you to run Perfmon and find the exact cause of Host throttling.
How to? Refer:
Throttling
Based on the results you can refer to this great article on TechNet by Tord for the recommendations.
Microsoft BizTalk Automatic Throttling
and
How BizTalk Server Implements Host Throttling
Rachit
Please mark as answer or vote as helpful if my reply does

Message Delivery restrictions on users in database

Hi, I want to remove all delivery restrictions for all users in a specific database. Does someone have a script to do this please? Server is Exchange 2013 and the database name is College. Thanks

Hi,
We can use the following command to remove message delivery restrictions for all users on a specific database.
Get-Mailbox -database “College” | set-mailbox -AcceptMessagesOnlyFrom $null -AcceptMessagesOnlyFromDLMembers $null -RejectMessagesFrom $null -RejectMessagesFromDLMembers $null –RequireSenderAuthenticationEnabled
$false
Also we need to check what Willard Martin said.
Best Regards.

Transport + Message (Both mode) security in WCF ?

Hello,
In WCF, how transport + message security is implemented ?
i.e. How X.509 certificates are used to encrypt transport + message (BOTH mode) security ?
Thanks in advance

Hi,
>> how transport + message security is implemented ?
It seem that you want to implement the both transport and message security mode in one wcf application, I will suggest you use the security mode
TransportWithMessageCredential.
When the TransportWithMessageCredential security mode is configured, the transport security is used to provide confidentiality and integrity for the transmitted messages and to perform the service authentication. However,
the client authentication is performed by putting the client credential directly in the message. This allows you to use any credential type that is supported by the message security mode for the client authentication while keeping the performance
benefit of transport security mode. In one word is that client authentication is provided at the message level, and message protection and service authentication are provided at the transport level.
For more information, please try to refer to:
#Message and Transport Security:
http://msdn.microsoft.com/en-us/library/ff648863.aspx .
>>How X.509 certificates are used to encrypt transport + message (BOTH mode) security
In the service side, the X.509 certificates will use to provide the message protection and service authentication. If you used the certificate authentication, then in the client side, the X.509 certificates will use to
identify itself to the server.
For more information, please try to refer to:
#How to: Secure a Service with an X.509 Certificate:
http://msdn.microsoft.com/en-us/library/ms788968(v=vs.110).aspx .
Best Regards,
Amy Peng
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Error: Couldn't find delivery channel for message

Hi All,
In our production environment, we sometime get the following error (Channel Audit Log):
2009-01-12 15:08:47 Error Unable to find channel ID
2009-01-12 15:08:47 Error Delivery of the message to the application using connection SOAP_http://sap.com/xi/XI/System failed, due to: com.sap.aii.af.ra.ms.api.RecoverableException: Couldn't find delivery channel for message: 496b9e98-9466-0109-e100-8000ac10a218.
2009-01-12 15:08:47 Error The message status set to NDLV.
This particular interface runs around 100 times a day without any issues, however around once or twice a month we get this error.
This is a synchronous interface.
Could be because of number of threads alloted for Synchronous messages in Visual Admin.
Thanks.

Hi XIer
try doing a CPACache Refresh:
Http://<host>:50000/CPACache/refresh?mode=full)
Best regards,
Chris

JMS Provider Responsibilities For Concurrent Message Delivery

Hi,
(This question pertains to the JMS api, outside a j2ee container)
Is it JMS-provider dependent on how concurrent message delivery is implemented? In other words, the code below sets up multiple consumers (on a topic), each with their own unique session and MessageListener and then a separate producer (with its own session) sends a message to the topic and I observer that only (4) onMessage() calls can execute concurrently. When one onMessage() method exits, that same thread gets assigned to execute another onMessage().
The only thing I could find on the matter in the spec was section in 4.4.15 Concurrent Message Delivery and it's pretty vague.
It's really important because of the acknowledgment mode. If it turns out that I need to delegate the real work that would be done in the onMessage() to another thread that I must manage (create, pool, etc), then once the onMessage() method completes (i.e., after it does the delegation to another thread), the message is deemed successfully consumed and will not be re-delivered again (and that's a problem if the custom thread fails for any reason). Of course, this assumes I'm using AUTO_ACKNOWLEDGE as the acknowledgment mode (which seems to make sense since using CLIENT_ACKNOWLEDGE mode will automatically acknowledge the receipt of all messages that have been consumed by the corresponding session and that's not good).
My JMS Provider is WL 9.1 and the trival sample code I'm using as my test follows below. I also show the ouput from running the example.
thanks for any help or suggestions,
mike
--- begin TopicExample.java ---
import java.io.*;
import java.util.*;
import javax.naming.*;
import javax.jms.*;
import javax.rmi.PortableRemoteObject;
class TopicExample {
public final static String JMS_PROVIDER_URL = "t3://localhost:8001";
public final static String JNDI_FACTORY="weblogic.jndi.WLInitialContextFactory";
public final static String JMS_FACTORY="CConFac";
public final static String TOPIC="CTopic";
public final static int NUM_CONSUMERS = 10;
public static void main(String[] args) throws Exception {
InitialContext ctx = getInitialContext(JMS_PROVIDER_URL);
ConnectionFactory jmsFactory;
Connection jmsConnection;
Session jmsReaderSession[] = new Session[10];
Session jmsWriterSession;
TextMessage jmsMessage;
Destination jmsDestination;
MessageProducer jmsProducer;
MessageConsumer jmsConsumer[] = new MessageConsumer[10];
MessageListener ml;
try
// Create connection
jmsFactory = (ConnectionFactory)
PortableRemoteObject.narrow(ctx.lookup(JMS_FACTORY), ConnectionFactory.class);
jmsConnection = jmsFactory.createConnection();
// Obtain topic
jmsDestination = (Destination) PortableRemoteObject.narrow(ctx.lookup(TOPIC), Destination.class);
// Reader session and consumer
for (int i=0; i<NUM_CONSUMERS; i++)
jmsReaderSession[i] = jmsConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
jmsConsumer[i] = jmsReaderSession.createConsumer(jmsDestination);
jmsConsumer[i].setMessageListener(
new MessageListener()
public void onMessage(Message msg) {
try {
String msgText;
if (msg instanceof TextMessage) {
msgText = ((TextMessage)msg).getText();
} else {
msgText = msg.toString();
System.out.println("JMS Message Received: "+ msgText );
System.out.println("press <return> to exit onMessage");
char c = getChar();
System.out.println("Exiting onMessage");
} catch (JMSException jmse) {
System.err.println("An exception occurred: "+jmse.getMessage());
// Writer session and producer
jmsWriterSession = jmsConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
jmsProducer = jmsWriterSession.createProducer(jmsDestination);
jmsMessage = jmsWriterSession.createTextMessage();
jmsMessage.setText("Hello World from Java!");
jmsConnection.start();
jmsProducer.send(jmsMessage);
char c = '\u0000';
while (!((c == 'q') || (c == 'Q'))) {
System.out.println("type q then <return> to exit main");
c = getChar();
for (int i=0; i<NUM_CONSUMERS; i++)
jmsReaderSession[i].close();
jmsWriterSession.close();
jmsConnection.close();
System.out.println("INFO: Completed normally");
} finally {
protected static InitialContext getInitialContext(String url)
throws NamingException
Hashtable<String,String> env = new Hashtable<String,String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
env.put(Context.PROVIDER_URL, url);
return new InitialContext(env);
static public char getChar()
char ch = '\u0000';
try {
ch = (char) System.in.read();
System.out.flush();
} catch (IOException i) {
return ch;
--- end code --
Running the example:
prompt>java TopicExample
JMS Message Received: Hello World from Java!
JMS Message Received: Hello World from Java!
press <return> to exit onMessage
press <return> to exit onMessage
JMS Message Received: Hello World from Java!
press <return> to exit onMessage
JMS Message Received: Hello World from Java!
press <return> to exit onMessage
type q then <return> to exit main
[you see, only 4 onMessage() calls execute concurrently. Now I press <return>]
Exiting onMessage
JMS Message Received: Hello World from Java!
press <return> to exit onMessage
[now once the thread executing the onMessage() completes, the JMS providor assigns it to execute another onMessage() until all 10 onMessage() exections complete).

I am too facing the same issue. but in my case I start getting this problem when the message size is about 1 MB itself.
Any help is appraciated.
Regards,
ved

[svn:bz-trunk] 19866: Set delivery mode to PERSISTENT for JMS destinations that have durable set to true .

Revision: 19866
Revision: 19866
Author:   [email protected]
Date:     2011-01-21 10:05:44 -0800 (Fri, 21 Jan 2011)
Log Message:
Set delivery mode to PERSISTENT for JMS destinations that have durable set to true. If messages aren't persistent they won't be saved by the JMS server. This is kind of important when you want the messages to be durable.
Modified Paths:
    blazeds/trunk/qa/apps/qa-regress/WEB-INF/flex/messaging-config.mods.xml

According to Bea Customer Support this is the normal behavior. If you kill a durable topic subscriber and reconnect it with the same id to another node, the old subscription is deleted and all messages still waiting to be delivered are gone.
          Lesson learned: If you need failover for the server AND client use JMS queues.
          Peter

Every time I start iTunes I get the message: "iTunes exec has been set to run in compatability mode for an older version of Windows. Turn off compatability mode for iTunes before you open it." How do I turn off the compatability mode?

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How can I have message delivery for Iphone ios7.1

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There is no option in the mail application to request a read receipt - if that is what you are asking.

How can I have sms message delivery for IPhone

How can I have sms message delivery for IPhone

Check to see if there is a 3rd party app that provides it. Also, check with your carrier. If you are in the US, this is not an important thing, and most of the carriers do not provide delivery for SMS. If your from outside the US, see if the carrier supports it and what needs to be done to get it.

Message Delivery Order

          Hi,
          I am looking to exactly match the order of delivery of the messages published
          to a topic to the order of delivery the messages are subscribed to by MDB listening
          to the topic. From the documentation, I could make out that this order of delivery
          is guaranteed by JMS for normal mode of operation, but it is not guaranteed for
          redelivered messages. I could find out from the previous postings in this forum
          that WLS 8.1 does guarantee the order of delivery even for redelivered and recovered
          messages but the previous versions do not. We are using WLS 6.1 and hence I can
          conclude that the order is not guaranteed for redelivered messages. I would like
          to know if there is any other way to achieve this guaranteed order of delivery.
          I was just thinking in the lines of configuring a destination key for the topic
          with JMSMessageId set to ascending so that it is always FIFO and setting the MessagesMaximum
          field for the MDB's connectionFactory to 1. Would that make sure that the order
          is maintained even for redelivered messages ?
          Please help.
          Thanks,
          Goutam.


          Saswati Mukherjee wrote:
          > Hi Tom,
          >
          > Thanks a lot for the information. In our case the MDB has to be transactional.
          > Meaning, if the processing of the message in the onMessage() of the MDB is not
          > as expected, then we should rollback that message and try to do the same processing
          > again. I am not sure if there is any other way to accomplish this other than making
          > the MDB transactional. If there is not, then I think the first option you have
          > mentioned is ruled out for our case. Please confirm.
          I think so, but I recommend seeing if you can get a second opinion.
          One thing you could try, but I'm not 100% sure if it would always
          work, would be to cache the message-id of the message you are
          rolling back. Then, keep forcing roll backs on subsequent
          messages until the cached message is received again. You might
          try raising this solution through customer support to see
          if you can get confirmation as to whether this would work.
          > Then I would try to explore
          > the second option you have mentioned, i.e. running the MDB in WLS 6.1 and running
          > the JMS in WLS 8.1.
          If it is possible for you to go this route, I recommend it. Again, it
          would need customer support verification to see if this is supported.
          >
          > Thanks again,
          > Saswati.
          >
          >
          > Tom Barnes <[email protected].bea.com>
          > wrote:
          >
          >>
          >>Saswati Mukherjee wrote:
          >>
          >>
          >>>Hi,
          >>>
          >>>I am looking to exactly match the order of delivery of the messages
          >>
          >>published
          >>
          >>>to a topic to the order of delivery the messages are subscribed to
          >>
          >>by MDB listening
          >>
          >>>to the topic. From the documentation, I could make out that this order
          >>
          >>of delivery
          >>
          >>>is guaranteed by JMS for normal mode of operation, but it is not guaranteed
          >>
          >>for
          >>
          >>>redelivered messages. I could find out from the previous postings in
          >>
          >>this forum
          >>
          >>>that WLS 8.1 does guarantee the order of delivery even for redelivered
          >>
          >>and recovered
          >>
          >>>messages but the previous versions do not. We are using WLS 6.1 and
          >>
          >>hence I can
          >>
          >>>conclude that the order is not guaranteed for redelivered messages.
          >>
          >>I would like
          >>
          >>>to know if there is any other way to achieve this guaranteed order
          >>
          >>of delivery.
          >>
          >>>I was just thinking in the lines of configuring a destination key for
          >>
          >>the topic
          >>
          >>>with JMSMessageId set to ascending so that it is always FIFO and setting
          >>
          >>the MessagesMaximum
          >>
          >>>field for the MDB's connectionFactory to 1. Would that make sure that
          >>
          >>the order
          >>
          >>>is maintained even for redelivered messages ?
          >>
          >>No, it would not. In fact, JMS already does this much.
          >>
          >>Actually, you might be able to take advantage of MDB's defined
          >>side-effects: When a Runtime is thrown from "onMessage()"
          >>of a non-transactional MDB, the instance closes and then
          >>recreates itself (and its subscription).
          >>- So assuming the MDB is non-transactional...
          >>- And assuming "max-beans-in-free-pool" is set to "1"...
          >>- If the MDB is a durable subscriber it won't be able
          >>to automatically recreate itself and reconnect until the
          >>old previous instance finishes closing, the messages
          >>will be ordered for the new instance.
          >>- If the MDB is a nondurable subscriber, then the recreate
          >>will, by definition, be an entirely new subscription,
          >>and ordering will be fine. (But messages sent to
          >>the topic will be missed while the session is
          >>recreating itself.)
          >>
          >>Another option is to continue to use 6.1 for the MDB but
          >>start up and 8.1 instance solely for running JMS remotely.
          >>I'm not 100% sure, but I think ordering would
          >>be guaranteed on the 6.1 JMS client as long you follow
          >>the documented 8.1 ordered redelivery restrictions. Contact
          >>BEA support to confirm.
          >>
          >>
          >>
          >>>Please help.
          >>>
          >>>Thanks,
          >>>Goutam.
          >>
          >

JMS - How to configure incremental redelivery intervals for an MDB

Hi all,
I noticed that when message delivery in an MDB fails, the time to the next delivery attempt for the message increases with every failed delivery. The intervals are 5, 10, 20, 40 and 60 seconds. After this the interval stays at 60 seconds.
Now I was trying to find out how to change this behavior, but did not find the appropriate configuration elements in the console or the documentation. What I found are the options to configure "Default Redelivery Delay" in the ConnectionFactory which is set to 0 and in the Queue "Redelivery Delay Override" which is set to -1.
Both of these settings do not explain the incremental delay. Can anyone tell me how to configure this? Is that part of the MDB deployment descriptors?
Thanks,
Chris

Hi Tom,
thanks again for your answer :-) I am sorry, i forgot to mention in my initial post, that i had a look at those parameters. But according to the documentation the default values for both are 60 seconds. In my MDB i did not set any of those, so it should not start at 5 seconds like it does but at 60 seconds. Additionally this suspension, I if understood correctly, should only kick in if the JMS resource (I figure this is the queue in this case) is unavailable, which is not the case in my scenario. And as a third the suspension described there is not growing exponentially as I experienced.
Sorry if I am just thick here, but the documentation just does not look like what I am looking for. Are there any misunderstandings on my side?
Thanks, Chris

Stop all Message delivery until start-up class executes

          On fail-over, I need to be able to keep any messages from topics/queues from being
          sent to the destinations until a start-up class has been executed and initialized
          the application. The problem is that the mdb's get deployed prior to the start-up
          class and immediately receive messages. This causes problems since the mdb's
          rely on the start-up class executing prior to onMessage().
          Is there a way to disable message delivery on start-up, prior to the deployment
          of the mdb's? I have implemented a temporary solution of checking to see if the
          start-up class has been bootstrapped, and if no, do a thread sleep for a specified
          time period and repeat...


I had the same issue. We wrote a startup class that spawns a new thread to
          make a JMX call to see if the server is up. Once the server is up, the
          thread would deploy the MDB using JMX.
          Adarsh
          Looks like you came up with a good workaround.
          "Josh Zook" <[email protected]> wrote in message
          news:3cbd9fff$[email protected]..
          >
          > On fail-over, I need to be able to keep any messages from topics/queues
          from being
          > sent to the destinations until a start-up class has been executed and
          initialized
          > the application. The problem is that the mdb's get deployed prior to the
          start-up
          > class and immediately receive messages. This causes problems since the
          mdb's
          > rely on the start-up class executing prior to onMessage().
          >
          > Is there a way to disable message delivery on start-up, prior to the
          deployment
          > of the mdb's? I have implemented a temporary solution of checking to see
          if the
          > start-up class has been bootstrapped, and if no, do a thread sleep for a
          specified
          > time period and repeat...

Message delivery mode for singleton MDB

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