Removal of messages from persisted store

          Hi,
          If I'm using a JDBC store for my JMS server, are the messages removed from the
          DB when they are acknowledged? Are there config settings which play into this?
          Thanks,
          Bob

Elias Sinderson wrote:
          > Tom Barnes wrote:
          >
          >> An acknowledge deletes the associated
          >> messages from the store, whether
          >> it is a JDBC store or a file store. There is no config
          >> setting to turn off this behavior - and you are the first
          >> customer to ever ask if there was such a beast.
          >
          >
          > Actually, I looked for such a configuration but have been put in the
          > position of archiving JMS messages myself as this option is not provided
          > out of the box...
          Ah. Yes, I understand this use case. We are keeping it in mind
          for the future. The future solution may involve simply sending
          a duplicate message to another destination in the same
          transaction. The adminstrative interface might simply
          be something like an "ArchiveDestination" parameter on the
          original destination's configuration. Would that be sufficient?
          >
          > There are a number of reasons one may want to do wuch a thing, ranging
          > from record retention to simply allowing an end user to browse through
          > the set of delivered messages.
          I agree.
          > Personally, I believe that it is a
          > shortcoming of the JMS specification that it does not address this issue.
          Well pub/sub can address this issue. The drawback is that a durable
          subscriber is not the same as a queue - only one consumer can use
          it a time.
          >
          > The long and the short of it, in my case, is that I've now reimplemented
          > a good portion of the JMS specification on top of BEAs implementation.
          With WL, you can use standard JMS pub/sub to replicate messages
          and then use a messaging bridge to forward a subscription to a queue.
          This, of course, does not give great performance, but many applications
          are not sensitive to JMS performance.
          Another approach is to have senders send two messages, one to a
          pub/sub "monitoring" topic and one to the queue. Optionally
          using a transaction to ensure that it is atomic. Again, this is
          not a great performer.
          >
          >
          > Elias
          >
          Tom, BEA

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Weblogic 10.3 Not Removing Expired Messages from JMS Queues

Dear All,
We have an application that is running on Weblogic 10.3.
This application (let us call this application Y) receives messages on a JMS queue. These messages are placed on the queue by another application (let us call this application X). We would like to have these messages expire within a certain amount of time (i.e. 90000 ms) if they are not consumed.
Now when application X places the messages onto the queue for application Y to consume, the JMS producer sets the time to live to 90000 ms. We can see that expiration time has been set appropriately in the weblogic console. If a message sits on the queue for longer than 90000 ms the state string of the message is changed to "receive expired". What we don't understand is why the expired messages still end up being consumed from the queue.
We understand that Weblogic is supposed to have an 'Active Message Expiration' thread that will remove expired messages from the queue. The Expiration Scan Interval for the JMS Server is set to 30 (seconds).
Can anyone tell us why our expired messages don't seem to be deleted from the queues?
Tim

Thank you for the response Rene.
We have set up both the active expiration scan and the message expiration policy. The active expiration scan is set for every 30 seconds. The message expiration policy is set to "discard". However, the expired messages are still being consumed. Is it possible we are doing something wrong? See a portion of our configuration files below.
We have set up the expiration scan time interval. See a portion of our config.xml below:
<jms-server>
<name>brokerJMSServer</name>
<target>AdminServer</target>
<persistent-store xsi:nil="true"></persistent-store>
<store-enabled>true</store-enabled>
<allows-persistent-downgrade>false</allows-persistent-downgrade>
<hosting-temporary-destinations>true</hosting-temporary-destinations>
<temporary-template-resource xsi:nil="true"></temporary-template-resource>
<temporary-template-name xsi:nil="true"></temporary-template-name>
<message-buffer-size>-1</message-buffer-size>
*<expiration-scan-interval>30</expiration-scan-interval>*
<production-paused-at-startup>false</production-paused-at-startup>
<insertion-paused-at-startup>false</insertion-paused-at-startup>
<consumption-paused-at-startup>false</consumption-paused-at-startup>
</jms-server>
<jms-system-resource>
<name>broker-jms</name>
<target>AdminServer</target>
<sub-deployment>
<name>EhrBrokerRequestQueue</name>
<target>brokerJMSServer</target>
</sub-deployment>
<descriptor-file-name>jms/broker-jms.xml</descriptor-file-name>
</jms-system-resource>
<admin-server-name>AdminServer</admin-server-name>
We have set up the message expiration policy in our jms descriptor. See a portion below:
<?xml version='1.0' encoding='UTF-8'?>
<weblogic-jms xmlns="http://www.bea.com/ns/weblogic/weblogic-jms" xmlns:sec="http://www.bea.com/ns/weblogic/90/security" xmlns:wls="http://www.bea.com/ns/weblogic/90/security/wls" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.bea.com/ns/weblogic/weblogic-jms http://www.bea.com/ns/weblogic/weblogic-jms/1.0/weblogic-jms.xsd">
<queue name="EhrBrokerRequestQueue">
<delivery-params-overrides>
<redelivery-delay>-1</redelivery-delay>
</delivery-params-overrides>
<delivery-failure-params>
<redelivery-limit>-1</redelivery-limit>
*<expiration-policy>Discard</expiration-policy>*
</delivery-failure-params>
<jndi-name>EhrBrokerRequestQueue</jndi-name>
</queue>
</weblogic-jms>
What could we be doing wrong?
Kind Regards,
Tim

How do I remove twitter updates from app store?

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I posted a very similar question. The answers I received here did not help. For anyone else looking, here is the solution that finally worked. My son found it via a Goolge search:
Best answer - Sarah (Google Employee) Go to this answer
chessop
Please follow below steps.
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2. Download the widget to show the hidden files fromhttp://www.apple.com/downloads/dashboard/developer/hiddenfiles.html
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Best regards,
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338 of 359 people found this answer helpful. Did you? Sign in to vote. Report abuse
See the answer in context

Removing superseded messages from the queue

Does JSMQ provide any way for a producer to remove a message from the queue which it queued some time ago but which it no longer wishes to send?
I am investigating the use of JSMQ in a military battlemap application connecting nodes over low bandwidth/unreliable connections. The reason we want to be able to remove messages is as follows: Say a producer sends a low priority message to the queue regarding a unit's position. Later on the same producer sends an update regarding the same unit to the queue. If the first message is still present in the queue (ie has not been sent yet) then we want the producer to be able to remove it as it is now superseded by the new message and we don't want to waste bandwidth sending the old message first.
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Thanks
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Hi Roger,
JMS does not support the removal of messages from a queue
as you described. I can't think of a way to not deliver the old
message once it was already sent.
Alternatives I can think of:
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- Use a topic instead of a queue. When using queues, old
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until the consumer reads it. With topics, if no consumers are
around, the message is tossed. However, if you really need old
messages to lie around (e.g. need to know last position of
unit), this won't suit your needs.
Sorry I don't have a straight answer for you, hope this helps
somewhat.
-i
http://wwws.sun.com/software/products/message_queue/index.html

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Check the topic right below yours in the topic listing. The same question was asked and answered some hours ago.

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Launch the Console application in any of the following ways:
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Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V).
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Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.

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Ever heard of.. "Dont Shoot The Messenger".....
A questions was asked - the asnwer was given.
IF you were not happy with the answer and considered that unlike other you could not understand it... you could have - politely- asked for a clarification.
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who is allowing the fictitious answers that mean nothing but a waste of time
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Your book and everybody who submits it to the review team for inclusion in the store and is accepted - can NEVER be removed by its author. Apple require its history for accounting and inventory purposes.
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Apple then remove it from public access.
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Re: Remove log messages from loop

CURSOR cur_item_rev_child IS
SELECT ffv.flex_value, --org code
mp.organization_id
FROM fnd_flex_values ffv,
fnd_flex_value_sets ffvs,
mtl_parameters mp
WHERE ffv.flex_value_set_id = ffvs.flex_value_set_id
AND ffvs.flex_value_set_name = 'EMR Add Spec Org' -- Changed by WIPRO on 01-OCT-12 (SR # 1078990 )--
AND NVL(ffv.enabled_flag, 'N') = 'Y'
AND ffv.flex_value = mp.organization_code
AND mp.master_organization_id = v_num_master_org;
CURSOR cur_item_rev (i_num_organization_id NUMBER)
IS
SELECT /*+ index(xvasd XXINV_VLVS_ADD_SPEC_DETAILS_N1 )*/mirb.inventory_item_id,
mirb.organization_id,
MAX(mirb.revision) item_revision,
msib.segment1, -- Added by Infosys on 19-May-09
xvasd.spec_revision spec_revision -- Added by Infosys on 19-May-09
FROM xxinv_vlvs_add_spec_details xvasd,
xxinv_vlvs_item_add_spec xvias,
mtl_parameters mp,
mtl_system_items_b msib,
mtl_item_revisions_b mirb
WHERE xvasd.spec_number = xvias.spec_number
AND xvasd.spec_type = xvias.spec_type
AND xvias.spec_type = v_chr_spec_type
AND xvasd.spec_status='ACTIVE'
AND xvias.inv_item_id = msib.inventory_item_id
AND mirb.inventory_item_id=msib.inventory_item_id
AND xvias.organization_id = msib.organization_id
AND msib.organization_id = mirb.organization_id
AND mirb.organization_id = mp.organization_id
AND mp.organization_id = i_num_organization_id
--AND LPAD (xvasd.spec_revision, 3, 0) LPAD (b.revision, 3, 0)
GROUP BY mirb.inventory_item_id,
mirb.organization_id,
msib.segment1,
xvasd.spec_revision;
BEGIN
o_chr_errbuf := 'Program Completed Successfully';
o_num_retcode := 0;
fnd_file.put_line(fnd_file.output,
fnd_file.put_line(fnd_file.output,
' EMR INV Item Revisions Update Program VLVS');
fnd_file.put_line(fnd_file.output,
fnd_file.put_line(fnd_file.output, '');
--Starting the Program
fnd_file.put_line(fnd_file.LOG,
fnd_file.put_line(fnd_file.LOG,
' EMR INV Item Revisions Update Program VLVS');
fnd_file.put_line(fnd_file.LOG,
fnd_file.put_line(fnd_file.LOG, '');
fnd_file.put_line(fnd_file.LOG, 'Input Parameter');
fnd_file.put_line(fnd_file.LOG, '---------------');
fnd_file.put_line(fnd_file.LOG, 'Debug Mode: ' || v_chr_debug_mode);
fnd_file.put_line(fnd_file.LOG, '');
fnd_file.put_line(fnd_file.LOG,
-- Get the value of the spec type from the lookup. If no value is set then display the error message and raise exception
IF v_chr_spec_type IS NULL
THEN
fnd_file.put_line(fnd_file.LOG,
'Error: Set a value for the profile: XXINV : Additional Spec Type VLVS');
RAISE excp_user;
ELSE
fnd_file.put_line(fnd_file.LOG,
'Processing for the addition spec item type: ' ||
v_chr_spec_type);
END IF;
-- Select all the eligible records for processing
FOR rec_cur_item_rev_child IN cur_item_rev_child
LOOP
FOR rec_cur_item_rev IN cur_item_rev (rec_cur_item_rev_child.organization_id)
LOOP
-- v_chr_spec_rev := NULL;
-- v_chr_item_number := NULL; Commented by Infosys on 19-May-09
/* BEGIN --Start of comments by Infosys on 19-May-09
SELECT segment1
INTO v_chr_item_number
FROM mtl_system_items_b
WHERE inventory_item_id = rec_cur_item_rev.inventory_item_id
AND organization_id=rec_cur_item_rev.organization_id;
EXCEPTION
WHEN NO_DATA_FOUND THEN
v_chr_item_number := NULL;
fnd_file.put_line(fnd_file.LOG,'Item Number not found in MTL_SYSTEM_ITEMS_B Table for the inv item id '
||rec_cur_item_rev.inventory_item_id);
WHEN OTHERS THEN
v_chr_item_number := NULL;
RAISE excp_loop;
END;*/--End of comments by Infosys on 19-May-09
/*BEGIN --Start of comments by Infosys on 19-May-09
SELECT MAX(spec_revision)
INTO v_chr_spec_rev
FROM xxinv_vlvs_add_spec_details xvasd,
xxinv_vlvs_item_add_spec xvias
WHERE xvasd.spec_number = xvias.spec_number
AND xvasd.spec_type = xvias.spec_type
AND xvias.spec_type = v_chr_spec_type
AND xvias.inv_item_id =rec_cur_item_rev.inventory_item_id
AND organization_id=rec_cur_item_rev.organization_id
GROUP BY xvias.inv_item_id,
organization_id,
xvias.spec_type;
EXCEPTION
WHEN NO_DATA_FOUND THEN
v_chr_spec_rev := NULL;
fnd_file.put_line(fnd_file.LOG,'Spec Revision not found in Additional Specs Table for the inv item id '
||rec_cur_item_rev.inventory_item_id);
WHEN OTHERS THEN
v_chr_spec_rev := NULL;
RAISE excp_loop;
END;*/--End of comments by Infosys on 19-May-09
IF LPAD (rec_cur_item_rev.spec_revision, 3, 0) LPAD (rec_cur_item_rev.item_revision, 3, 0)
THEN
BEGIN
v_num_total_cnt := v_num_total_cnt + 1;
--to take count of the total records processed
v_chr_error_flag := 'N'; reset the error flag to N before processing each record
v_num_revision_id := NULL;
IF v_num_total_cnt = 1
THEN
v_chr_output_hdr := 'ORG CODE' ||
RPAD('|ITEM NUMBER', 51, ' ') ||
'|ITEM REV' || '|SPEC REV' ||
'|ERROR REASON';
END IF;
-- Check if the revision on the spec is greater that the revision on the item
IF LPAD (rec_cur_item_rev.spec_revision, 3, 0) > LPAD (rec_cur_item_rev.item_revision, 3, 0)
THEN
BEGIN
SELECT mtl_item_revisions_b_s.NEXTVAL
INTO v_num_revision_id
FROM DUAL;
EXCEPTION
WHEN OTHERS THEN
v_chr_temp_msg := 'Error when getting the new revision id from the sequence MTL_ITEM_REVISIONS_B_S: ' ||
SQLERRM;
RAISE excp_loop;
END;
-- begin block for assigning values and calling API to update the item revisions
BEGIN
v_rec_item_revision.inventory_item_id := rec_cur_item_rev.inventory_item_id;
v_rec_item_revision.organization_id := rec_cur_item_rev_child.organization_id;
v_rec_item_revision.revision_id := v_num_revision_id;
v_rec_item_revision.revision := rec_cur_item_rev.spec_revision;--v_chr_spec_rev;
v_rec_item_revision.revision_label := rec_cur_item_rev.spec_revision;--v_chr_spec_rev;
v_rec_item_revision.revision_reason := 'Updated the Item Revision';
v_rec_item_revision.implementation_date := v_dte_sysdate;
v_rec_item_revision.effectivity_date := v_dte_sysdate;
v_rec_item_revision.attribute_category := NULL;
v_rec_item_revision.attribute1 := NULL;
v_rec_item_revision.attribute2 := NULL;
v_rec_item_revision.attribute3 := NULL;
v_rec_item_revision.attribute4 := NULL;
v_rec_item_revision.attribute5 := NULL;
v_rec_item_revision.attribute6 := NULL;
v_rec_item_revision.attribute7 := NULL;
v_rec_item_revision.attribute8 := NULL;
v_rec_item_revision.attribute9 := NULL;
v_rec_item_revision.attribute10 := NULL;
v_rec_item_revision.attribute11 := NULL;
v_rec_item_revision.attribute12 := NULL;
v_rec_item_revision.attribute13 := NULL;
v_rec_item_revision.attribute14 := NULL;
v_rec_item_revision.attribute15 := NULL;
v_rec_item_revision.description := NULL;
v_rec_item_revision.creation_date := v_dte_sysdate;
v_rec_item_revision.created_by := v_num_user_id;
v_rec_item_revision.last_update_date := v_dte_sysdate;
v_rec_item_revision.last_updated_by := v_num_user_id;
v_rec_item_revision.last_update_login := v_num_login_id;
v_rec_item_revision.request_id := v_num_request_id;
v_rec_item_revision.program_id := v_num_program_id;
v_rec_item_revision.program_application_id := v_num_prog_appln_id;
mtl_item_revisions_util.insert_row(p_item_revision_rec => v_rec_item_revision,
x_rowid => v_chr_ret_rowid);
v_num_succ_cnt := v_num_succ_cnt + 1;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
v_chr_temp_msg := 'Error when updating the revisions: ' ||
SQLERRM;
RAISE excp_loop;
END;
ELSE -- LPAD (cur_item_rev.spec_revision, 3, 0) < LPAD (cur_item_rev.item_revision, 3, 0)
v_chr_temp_msg := 'Item Revision is greater than the Spec Revision';
o_num_retcode := 1;
v_num_err_cnt := v_num_err_cnt + 1;
ROLLBACK;
fnd_file.put_line(fnd_file.LOG, '');
fnd_file.put_line(fnd_file.LOG,
'Organization Code: ' ||
rec_cur_item_rev_child.flex_value); -- added on 05-May-09 by infosys --
fnd_file.put_line(fnd_file.LOG,
'Item Number: ' ||
rec_cur_item_rev.segment1);
fnd_file.put_line(fnd_file.LOG,
'Item Revision: ' ||
rec_cur_item_rev.item_revision); -- v_chr_item_revision_child -- -- added on 05-May-09 by infosys --
fnd_file.put_line(fnd_file.LOG,
'Spec Revision: ' ||
rec_cur_item_rev.spec_revision);
fnd_file.put_line(fnd_file.LOG,
'Error: ' ||
v_chr_temp_msg);
fnd_file.put_line(fnd_file.LOG,
v_chr_output_msg := v_chr_output_msg ||
RPAD(rec_cur_item_rev_child.flex_value, -- added on 05-May-09 by infosys --
8,
' ') || '|' ||
RPAD(rec_cur_item_rev.segment1,
50,
' ') || '|' ||
RPAD(rec_cur_item_rev.item_revision, v_chr_item_revision_child, added on 05-May-09 by infosys --
8,
' ') || '|' ||
RPAD(rec_cur_item_rev.spec_revision,
8,
' ') || '|' ||
v_chr_temp_msg ||
CHR(10);
v_chr_mail_body := v_chr_mail_body ||
RPAD(rec_cur_item_rev_child.flex_value, -- added on 05-May-09 by infosys --
8,
' ') || '|' ||
RPAD(rec_cur_item_rev.segment1,
50,
' ') || '|' ||
RPAD(rec_cur_item_rev.item_revision, v_chr_item_revision_child added on 05-May-09 by infosys --
8,
' ') || '|' ||
RPAD(rec_cur_item_rev.spec_revision,
8,
' ') || '|' ||
v_chr_temp_msg ||
-- Display the statistics details in the output file
fnd_file.put_line(fnd_file.output, '');
fnd_file.put_line(fnd_file.output,
'Number of items selected for update: ' ||
v_num_total_cnt);
fnd_file.put_line(fnd_file.output,
'Number of items updated: ' || v_num_succ_cnt);
fnd_file.put_line(fnd_file.output,
'Number of items not updated: ' || v_num_err_cnt);
fnd_file.put_line(fnd_file.output, '');
fnd_file.put_line(fnd_file.output, v_chr_output_hdr);
* Print out the output message from CLOB variable "v_chr_output_msg"
* Substr each line whenever we find the separator CHR(10)
* Print each line with fnd_file.output function
BEGIN
v_num_offset := 1;
v_num_instr := 0;
LOOP
EXIT WHEN v_num_offset > dbms_lob.getlength(v_chr_output_msg);
-- Get the position of CHR(10) when first time appearence.
v_num_instr := dbms_lob.instr(v_chr_output_msg,
CHR(10),
v_num_offset,
1);
v_num_line_length := v_num_instr - v_num_offset + 1;
-- Substr the each line and print it out
fnd_file.put_line(fnd_file.output,
dbms_lob.substr(v_chr_output_msg,
v_num_line_length - 1,
v_num_offset));
v_num_offset := v_num_offset + v_num_line_length;
END LOOP;
END;
END IF; -- LPAD (cur_item_rev.spec_revision, 3, 0) < LPAD (cur_item_rev.item_revision, 3, 0) --
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
fnd_file.put_line(fnd_file.LOG,
'Porcessing next record as a Error occured in cursor loop cur_item_rev : ' ||
SQLERRM);
END;
END IF;
END LOOP; -- cur_item_rev --
END LOOP; -- cur_item_rev_child --
-- calling the mail procedure --
IF v_num_err_cnt > 0
THEN
BEGIN
fnd_file.put_line(fnd_file.LOG, '');
fnd_file.put_line(fnd_file.LOG,
'Calling send_notification Procedure...');
send_notification(o_chr_ret_code => v_chr_status,
o_chr_ret_mesg => v_chr_temp_msg,
i_chr_subject => 'EMR INV Item Revisions Update Program VLVS - ' ||
v_dte_sysdate,
i_chr_body => v_chr_mail_body);
EXCEPTION
WHEN OTHERS THEN
v_chr_temp_msg := 'Error when calling Procedure send_notification .';
fnd_file.put_line(fnd_file.LOG,
'Error details : ' || v_chr_temp_msg ||
' - ' || SQLERRM);
RAISE excp_user;
END;
END IF;
EXCEPTION
/*WHEN excp_loop THEN
ROLLBACK;
o_chr_errbuf := o_chr_errbuf ||
'Program completed with error when getting the max revision';
o_num_retcode := 2;*/
WHEN excp_user THEN
ROLLBACK;
o_chr_errbuf := o_chr_errbuf || 'Program completed with error';
o_num_retcode := 2;
WHEN OTHERS THEN
ROLLBACK;
fnd_file.put_line(fnd_file.LOG,
'Error in Item Revisions Update Program: ' ||
SQLERRM);
o_chr_errbuf := o_chr_errbuf || 'Program completed with error';
o_num_retcode := 2;
END update_item_revision;

I need to remove the log messages from loop...As currently log file printing is in loop....Can you please tell how to remove log file messages from loop.

Dequeue with OCCI does not remove the message from the queue

Hey there,
I have this problem where no matter what dequeue option I try the messages never seem to be removed from the queue... I tried looking around and found only a similar un-answered question...
Thanks in advance...
void TryAnydataDequeue(oracle::occi::Connection * conn)
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     catch(SQLException ex)
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          System::String * tnput = System::Console::ReadLine();
}

The message from the queue will be removed when you do a commit after a successful dequeue call, depending upon your message retention settings.
After you have done this processing and successfully performed a commit, what is the output of the following query:
SQL> connect AQADMIN/password
SQL> select msg_state from aq$<your_queue_table_name_goes_here> ;?
If it is PROCESSED, check your queue retention settings.
Additionally, make sure that the init.ora parameter AQ_TM_PROCESSES is set to a NON-ZERO value for this to happen.

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