Displaying 'please wait' graphic during long running process

I have an Apex process that takes about 30 seconds to run. Is there any way to display some kind of 'please wait' graphic on the page to inform the user that something is going on?
I assume some Javascript will be required. Or is there a way of doing it using pure Apex?

Antilles,
You can get started learning about there from Carl's demo:
http://apex.oracle.com/pls/otn/f?p=11933:69
Regards,
Dan
http://danielmcghan.us
http://sourceforge.net/projects/tapigen
http://sourceforge.net/projects/plrecur
You can reward this reply by marking it as either Helpful or Correct ;-)

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Hi,
I am using Jdev 11.1.1.5.0 for developement.
In my application i am having af:table. in that table i am having a column as af:selectBooleanCheckbox. My Need is avoid clicking a selectBooleanCheckbox twice or changing data input while waiting for a long running process to complete. I follows Frank Nimphius have written articles in the past http://www.oracle.com/technetwork/developer-tools/adf/learnmore/27-long-running-queries-169166.pdf but my appliaction i use af:clientListener component for af:selectBooleanCheckbox. when i click the checbox in table, popup(progress popup) is not opening and it also allow user to enter some other data in my page.
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In Jsff
<af:resource type="javascript">
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<af:popup id="progressId" contentDelivery="immediate">
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{noformat}within af:table{noformat}
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Correlating to long running process

I'm trying to set up a long running process that handles item-storage. For handling of the BPEL I have a process which needs to tell the long running process which item is stored in that particular storage. For example: i have 200 bins, which can contain up to 100 items. As the bins are handled individually (when filled), I need the 100 bpels that handle the items to wait until the long running process is finished.
So, I figured to make a BPEL that accepts 2 messages: 'initiate' and 'addItem'. Initiate sets up the bin and waits until filled before handling the bin.
The addItem is placed in a onMessage branch. This branch should be 'create Instance = no", as the instance is created when the bin is initiated. I get one initiate message and 100 addItem messages. Initiate & additem are correlated, so I should only receive the messages for this particular bin. However, when I try to compile this process, I get the following message:
Error(36): [Error ORABPEL-10050]: no create instance activity [Description]: in line 36 of "L:\workspaces\MyTests\LongRunningProcess\LongRunningProcess.bpel", There is not an activity (receive/pick) to start the process. [Potential fix]: You might want to set createInstance="yes" for this <receive> / <pick>.
Well, the 'fix' is not quite what I had in mind. I cannot have a createInstance='yes' here, as the instance is already created when I started handling the bin. Besides, I have to handle 100 incoming messages, not just 1.
I have a need for this kind of pattern, as I have a lot of converging & diverging messages in our processing. Diverging is easy, converging is giving me a lot of headaches.
Anyone has ideas how to help me find a solution for this? Thanks in advance!

Hi,
1) You could use conversation for the first issue which are designed for this usecase.
Conversations are essential for any web service involved in asynchronous communication. This includes web services that communicate with clients using callbacks or polling interfaces, and web services that use controls with callbacks.
More info at http://e-docs.bea.com/workshop/docs81/doc/en/workshop/guide/converse/navMaintainingStatewithConversations.html
Thanks
Vimala

ORABPEL-05002 for long running process

Hi everybody,
My question is related with a long running process I have designed and which, after running for a couple of days, ends by reporting the ORABPEL-05002 error:
===============================================================
ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.instance.PerformMessage"; the exception is: Transaction was rolled back: timed out; nested exception is: java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
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     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:152)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
===============================================================
Looking in the Manual Recovery screen, I can see an Activity I can recover. It's about an assign Activity where I'm doing a single boolean assignation.
Of course, together with the ORABPEL-05002 error I got also the 'Transaction was rolled back: time out' message. Note that I have modified the transaction-timeout value to 180000. The error occurs during the night, with no heavy load of the server.
Recovering the assign activity brings back the process in the running state.
My process pattern:
while (1 == 1) {
do activity;
wait_timeout();
So, I have the following questions:
1. Which is cause of this error?
2. How may I automatically recover this lost activity? RecoveryAgent?
Any suggestion is appreciated.
Regards,
amo
P.S: the full stack of error messages reported in domain.log:
===============================================================
<2006-09-18 08:08:34,101> <ERROR> <SRH.collaxa.cube.engine.dispatch> <DispatchHelper::handleMessage> failed to handle message
javax.ejb.EJBException: Transaction was rolled back: timed out; nested exception is: java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
     java.lang.Exception: No Exception - originate from:
java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
     java.lang.Exception: No Exception - originate from:
     at com.evermind.server.ejb.EJBUtils.makeException(EJBUtils.java:873)
     at ICubeEngineLocalBean_StatelessSessionBeanWrapper0.handleWorkItem(ICubeEngineLocalBean_StatelessSessionBeanWrapper0.java:1479)
     at com.collaxa.cube.engine.dispatch.message.instance.PerformMessageHandler.handle(PerformMessageHandler.java:45)
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:125)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.Exception: No Exception - originate from:
     at com.evermind.server.ejb.EJBUtils.makeException(EJBUtils.java:871)
     ... 10 more
javax.ejb.EJBException: Transaction was rolled back: timed out; nested exception is: java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
     java.lang.Exception: No Exception - originate from:
     at ICubeEngineLocalBean_StatelessSessionBeanWrapper0.handleWorkItem(ICubeEngineLocalBean_StatelessSessionBeanWrapper0.java:1479)
     at com.collaxa.cube.engine.dispatch.message.instance.PerformMessageHandler.handle(PerformMessageHandler.java:45)
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:125)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
<2006-09-18 08:08:34,129> <ERROR> <SRH.collaxa.cube.engine.dispatch> <BaseScheduledWorker::process> Failed to handle dispatch message ... exception ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.instance.PerformMessage"; the exception is: Transaction was rolled back: timed out; nested exception is: java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
     java.lang.Exception: No Exception - originate from:
ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.instance.PerformMessage"; the exception is: Transaction was rolled back: timed out; nested exception is: java.rmi.RemoteException: No Exception - originate from:java.lang.Exception: No Exception - originate from:; nested exception is:
     java.lang.Exception: No Exception - originate from:
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:152)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
<2006-09-18 08:09:05,236> <ERROR> <SRH.collaxa.cube> <BaseCubeSessionBean::logError> Error while invoking bean "activity manager": Scope not found.
The scope "BpSwt2.30995" has not been defined in the current instance.
ORABPEL-02094
Scope not found.
The scope "BpSwt2.30995" has not been defined in the current instance.
     at com.collaxa.cube.engine.core.ScopeContext.getScope(ScopeContext.java:213)
     at com.collaxa.cube.engine.core.WorkItem.setCubeInstance(WorkItem.java:259)
     at com.collaxa.cube.engine.core.WorkItemFactory.init(WorkItemFactory.java:68)
     at com.collaxa.cube.engine.core.WorkItemFactory.create(WorkItemFactory.java:58)
     at com.collaxa.cube.engine.adaptors.common.BaseWorkItemPersistenceAdaptor.load(BaseWorkItemPersistenceAdaptor.java:147)
     at com.collaxa.cube.engine.data.WorkItemPersistenceMgr.load(WorkItemPersistenceMgr.java:75)
     at com.collaxa.cube.engine.CubeEngine.load(CubeEngine.java:5185)
     at com.collaxa.cube.engine.CubeEngine.load(CubeEngine.java:5173)
     at com.collaxa.cube.engine.CubeEngine.expireActivity(CubeEngine.java:2136)
     at com.collaxa.cube.ejb.impl.ActivityManagerBean.expireActivity(ActivityManagerBean.java:145)
     at com.collaxa.cube.ejb.impl.ActivityManagerBean.expireActivity(ActivityManagerBean.java:116)
     at IActivityManagerLocalBean_StatelessSessionBeanWrapper52.expireActivity(IActivityManagerLocalBean_StatelessSessionBeanWrapper52.java:645)
     at com.collaxa.cube.engine.dispatch.message.instance.ExpirationMessageHandler.handle(ExpirationMessageHandler.java:43)
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:125)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
<2006-09-18 08:09:05,274> <ERROR> <SRH.collaxa.cube.engine.dispatch> <DispatchHelper::handleMessage> failed to handle message
ORABPEL-02094
Scope not found.
The scope "BpSwt2.30995" has not been defined in the current instance.
     at com.collaxa.cube.engine.core.ScopeContext.getScope(ScopeContext.java:213)
     at com.collaxa.cube.engine.core.WorkItem.setCubeInstance(WorkItem.java:259)
     at com.collaxa.cube.engine.core.WorkItemFactory.init(WorkItemFactory.java:68)
     at com.collaxa.cube.engine.core.WorkItemFactory.create(WorkItemFactory.java:58)
     at com.collaxa.cube.engine.adaptors.common.BaseWorkItemPersistenceAdaptor.load(BaseWorkItemPersistenceAdaptor.java:147)
     at com.collaxa.cube.engine.data.WorkItemPersistenceMgr.load(WorkItemPersistenceMgr.java:75)
     at com.collaxa.cube.engine.CubeEngine.load(CubeEngine.java:5185)
     at com.collaxa.cube.engine.CubeEngine.load(CubeEngine.java:5173)
     at com.collaxa.cube.engine.CubeEngine.expireActivity(CubeEngine.java:2136)
     at com.collaxa.cube.ejb.impl.ActivityManagerBean.expireActivity(ActivityManagerBean.java:145)
     at com.collaxa.cube.ejb.impl.ActivityManagerBean.expireActivity(ActivityManagerBean.java:116)
     at IActivityManagerLocalBean_StatelessSessionBeanWrapper52.expireActivity(IActivityManagerLocalBean_StatelessSessionBeanWrapper52.java:645)
     at com.collaxa.cube.engine.dispatch.message.instance.ExpirationMessageHandler.handle(ExpirationMessageHandler.java:43)
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:125)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
<2006-09-18 08:09:05,275> <ERROR> <SRH.collaxa.cube.engine.dispatch> <BaseScheduledWorker::process> Failed to handle dispatch message ... exception ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.instance.ExpirationMessage"; the exception is: Scope not found.
The scope "BpSwt2.30995" has not been defined in the current instance.
ORABPEL-05002
Message handle error.
An exception occurred while attempting to process the message "com.collaxa.cube.engine.dispatch.message.instance.ExpirationMessage"; the exception is: Scope not found.
The scope "BpSwt2.30995" has not been defined in the current instance.
     at com.collaxa.cube.engine.dispatch.DispatchHelper.handleMessage(DispatchHelper.java:152)
     at com.collaxa.cube.engine.dispatch.BaseScheduledWorker.process(BaseScheduledWorker.java:70)
     at com.collaxa.cube.engine.ejb.impl.WorkerBean.onMessage(WorkerBean.java:86)
     at com.evermind.server.ejb.MessageDrivenBeanInvocation.run(MessageDrivenBeanInvocation.java:123)
     at com.evermind.server.ejb.MessageDrivenHome.onMessage(MessageDrivenHome.java:755)
     at com.evermind.server.ejb.MessageDrivenHome.run(MessageDrivenHome.java:928)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
     at java.lang.Thread.run(Thread.java:534)
===============================================================

These are the possible cause to the problem and their solutions:
Poor performance of the dehydration database If you are using Oracle Lite as dehydration store, please switch to use Oracle 9i or 10g. If Oracle 9i/10g is already in use, check the database parameter 'process' and 'session' to make sure it can handle the expected throughput.
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Hi everyone,
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http://www.oraclequirks.blogspot.com/search/label/Apex

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heartbeat=4 (formsweb.cfg)
Session-Timeout=30 (web.xml)
Can this be related to network configuration? If yes, what are the things to look for?
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When this process is invoked from a page, is there a way to put up a generic 'Processing...' page that auto refreshes and when my back-end process is done, takes me to my results page?
Thanks

Let me see if I understand you...
So, the first page (that would have invoked the long running process) branches to the "processing page". That page has a onload that does doSubmit(). The after submit process on this processing page calls my long running process via dbms_job. When the long running process ends, the branch on the processing page takes me back to the first page (or whereever).
But then as far as the browser is concerned, the processing page never "finishes loading". IE's progress bar would creep ahead sloooowly and it would appear as if the page is loading for a looong time!
Wouldnt it be cleaner to use the META refresh tag like John was suggesting?
Also, using either of your approaches, how would I allow the user to "Cancel" the long running process and go back to the first page?
Could you please put up a quick sample of this in action on htmldb.oracle.com?
Thanks

Context when Invoking Long Running Processes

When I use a long running process to invoke another long running process, the creator of the second long running process is always "System Context Account".
Is it possible to invoke one long running process using another long running process using the context of the workspace user? The primary need here is to be able to track the process in the audit tab.

Hi gary,
Thanks for the update.
I have just tried your "Run As" approach which is also not working.
My testing scenario:
I have created two processes (a Parent and a Child)
I have enabled RunAs option with 'Invoker' for the Child process.The parent process is configured to invoke the Child internally.
I am, as a user, invoking the Parent process from Workspace. The Child process is being invoked; However, the process's creator name still shows 'System Context Account'. I do remember that this issues was exist in previous release as well ES (8.0).
Is this a bug? or am I missing something in between?
Please advise.
Thanks,
Nith

CRVS2010 Beta - PLEASE WAIT WHILE DOCUMENT I S PROCESSING

I have installed Cristal report 2010 y Visual studio 2010 the report in visual studio 2010 in design mode Correctly , but when run the aplication show de next message > PLEASE WAIT WHILE DOCUMENT I S PROCESSING and the aplication not responding and not show the report why?. I call the report >
myreport r = new myreport();
crystalReportViewer1.ReportSource = r;
crystalReportViewer1.RefreshReport();
Updated subject line....
Edited by: Don Williams on Oct 31, 2010 5:00 PM

Not enough info,
What OS?
What language is the OS?
What have you done to debug the problem?
Is it a Windows or WEB app?
What happens if you use a report with saved data?
Why are you not setting the database log on info?
Thank you
Don

In forms how to cancel long running process or query in 10g

We have application which is hosted on 10g AS. Some forms has lot of processing to be done and sometimes user wants to cancel the processing in between maybe because he wants to change some value and refire processing.
Based on the search on net 'Esc' key was used in earlier version of forms to function as User requested Cancel operation. How can same be done in 10g. Do we have to do anything in fmrweb.res for this. Is there some setting to be done in forms or in AS for this functionality.
Does this matter on whether JInitiator is used or JPI is used for running the application?
Edited by: suresh_mathew on May 21, 2013 1:36 AM

Hi,
Exit can be used to cancel query mode i.e. in case you go into query mode by Exit you can cancel query mode. Suppose you went into query mode and you have fired query which will take some time to fetch how can I abort it.
In earlier version of form there was 'Cancel' facility wherein if triggered it used to fire an error message 'Ora--01013 user requested cancel of current operation"
With this facility you can abort any query which is executing or any long running process which forms is currently performing.
fmrweb.res would have entry like
27 : 0 : "Esc" : 1001 : "Cancel"
The above entry I picked from OPN
Java Function Numbers And Key Mappings For Forms Deployed Over Web [ID 66534.1]
Unfortunately this is not working for us even if I put this in frmweb.res of 10g AS
Basically I want ability to Abort/Cancel a long running process be it query execution or standard process triggered in the form.
Any advise or help is highly appreciated.
Suresh

Adobe PDF displays "please wait" preview in OPEN file under Windows XP

An Adobe form created in LifeCycle 8.2, enabled for Adobe Reader version 9, displays "Please Wait" page in the preview in place of the actual document form view. Is there a way to disable this error meassage?

Hi,
no you cannot change this behavior.
This messages is present in all XFA forms (dynamic PDF's) you create with Designer and will be displayed when the PDF viewer cannot handle the XFA data inside the PDF.
In general only Acrobat and Reader support XFA forms, most of the other PDF viewers don't.

Displaying 'please wait' graphic during long running process

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