Reg:restart the completed task in human workflow

Dear team,
We are working on Oracle soa10g.We have a requiremnt on human tasks. once the task is approved/rejected in bpm worklist, immediately we need to get the task payload and status from BPMworklist and insert in DB. Using human workflow java api we are doing the same.
The process was working fine.. but when DB is down,and once task is approved/rejected in BPM worklist, we are unable to insert the updated data in DB.
There is inconsistency in status in DB and BPM worklist.So we thought of changing the status of human work task to "ASSIGNED" from "COMPLETED" thru workflow apis.
We came to know once task staus is "completed". we cannot set the same task status to "ASSIGNED" once again.
Please suggest alternate solution.
Thanks

No Experts to answer this???????????????????

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Restart the error task

Hi All,
Is their any transaction code to restart the error task.
Thanks & Regards,
Steffler

1. Goto Txn SWPR
2. Just execute the txn , It will display you the list of workitem IDs which are in t he error state.
3. Or if at all you know the parent workitem ID ( TOP ) then jus specify the workitem ID and execute.
4. Now select the workitem ID and clcik on the button Restart Workflow which is present on the application tool bar.
5. If the restarting failed due any of the reasons then it will show you the execptions.

Can not open the completed task.

Hi, All.
     I config my uwl to accept the GP tasks.
     It works fine with the tasks which is in process.
     I can click the link and deal with the gp task successfully.
     When I switch to the completed tasks, I can see the tasks which I finished.
     I click the link, but I get an error page with an error message as below:
                   Start *****************************Error Page **************************************
     404   Not Found
     Error: Request cannot be processed.
      Troubleshooting Guide https://sdn.sap.com/irj/sdn/wiki?path=/display/jstsg/home
      Details: Requested resource [/JWFTaskDetail] is not found.
End *****************************Error Page **************************************
Edited by: LouisHuang on Nov 24, 2010 7:56 PM

I tried to find something in logs and I got two error logs as below:
    1.
    Cannot process an HTTP request to servlet [forwardServlet] in [webdynpro/dispatcher] web application.
    For more details on the problem please check traces searching by logId: 0010187E3C96059A0000000700002F48
   2.
    Cannot process an HTTP request to servlet [forwardServlet] in [webdynpro/dispatcher] web application.
[EXCEPTION]
com.sap.engine.services.servlets_jsp.server.exceptions.ServletNotFoundException: Requested resource [/JWFTaskDetail] is not found.
at com.sap.engine.services.servlets_jsp.server.lib.StaticResourceUtils.findFile(StaticResourceUtils.java:234)
at com.sap.engine.services.servlets_jsp.server.lib.StaticResourceUtils.dispatchToResource(StaticResourceUtils.java:51)
at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.doWork(RequestDispatcherImpl.java:237)
at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:478)
at com.sap.tc.webdynpro.serverimpl.wdc.ForwardServlet.doPost(ForwardServlet.java:63)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:152)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:38)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:400)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:203)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:438)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:427)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:80)
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at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:268)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:81)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
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at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
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at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:42)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
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This situation only occurs on gp task. If I use the common uwl task, it works fine.
Can anyone give me a hand? Thanks a lot.

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How to increase the size of textbox in the .jsp page of Human Workflow

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I need to increase the size of the textbox in the .jsp page of Human Task.
I am showint some text in the textbox which are currently not editable, and as the length of textbox is small, the complete text is not visible.
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Hi all,
I need to generate the stage/Level dynamically for a task.kindly guide me to achieve the below scenario.
Scenario:
I will get the approval names from the Payload like E.g. ram, Vijay/ramesh/Vinay, kumar, Thai/hema, vimala
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<new class='java.text.SimpleDateFormat'>
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<ref>formatedDate</ref>
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I am not sure, this is what I found about how to use Lightning [https://support.mozilla.org/en-US/kb/lightning-user-interface] and it sounds like you could add more to that article. If you would like please add to the article what you find, because I am sure others would love to know how to do this too!
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# Go to Calender
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When user is selecting the Completed Task in the UWL, the below error is displaying
error: Unable to perform the request. Try again and if the problem persists, inform your system administrator.
While selecting completed tasks in the drop down, it is showing "Completed Tasks(30)". But after selecting "Completed Tasks(30)" from the drop down, the above error message is getting.
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VV

Hi,
Please let us know if you can found any relevant logs on
1) dafault.trc file
<Drive>:\usr\sap\<sys-id>\JC<inst-no>\j2ee\cluster\server0\log\
2) UWL logs:
usr\sap\<version>\JC00\j2ee\cluster\server0\log\applications\sap.com\u
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Also Have a look on note 1120556.
Please remember to evaluate the replays, this incentive the SDN to keep growing,
regards,
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Completed Task cannot be launched again from the UWL.

Here is the situation.
The identified agent clicked the task in the UWL.
Task was launched in a new window and opened an ABAP webdynpro application correctly.
Agent then approved the task using the approve button in the application. Task was thus completed.
Now the agent pulled the "Completed Tasks" from the Show dropdown on the Tasks tab in the UWL.
The task which the agent approved earlier showed up.
But when the agent clicked this link in the UWL. The application would not be launched again.
The task preview does appear but the agent wants to the same application form displayed again to confirm what they have approved.
Any ideas how this can be done. I remember we could do that in the PCR application on ISR framework.
Edited by: Linkin Pereira on Dec 5, 2008 7:12 PM

I did some investgation and figured out that there is no standard way to invoke an already completed Task.Therefore for our requirement I have proposed a new solution.
I am storing the Workitem Id, when the task gets created, in a custom table along with all the data which is necessary for the I-View display.
To enable users to open the I-View of the task they already completed and take a print out of the I-View etc, I have designed another application. and in this application I am using the Workitem Id to read which completed task they want to view.
See if this works for you.

'completing task' accounts for 90% of the time

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Actually, you could try following:
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I am working on soa project to implement human workflow implementation like sms, voice additional to email service. Can any one guide me to the simulator to be used and configuration to be set.

This is strange behavior. R&D time
1) Are you getting any clue from the logs ? Is it a one-off issue or it is happening for all the tasks.
2) Are you on the cluster ? Have you restarted your server during the task durations.
3) Once the workflow is completed, then it remains completed or the workflow execution is again restarting ?
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If this a production issue, I suggest you raise a ticket in metalink with Oracle Support.

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Hi,
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i have also created a Task display form(workflow) for the human task, the workflow is a seperate project in the same application.
I am able to deploy the BPEL process containing the human task.
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[04:36:23 PM] ---- Deployment started. ----
[04:36:23 PM] Target platform is (Weblogic 10.3).
[04:36:25 PM] Entering Target Selection Dialog
[04:36:28 PM] Retrieving existing application information
[04:36:38 PM] Running dependency analysis...
[04:36:38 PM] Building...
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[04:38:44 PM] [Deployer:149193]Operation 'deploy' on application 'TestFlow' has failed on 'soa_server1'
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[04:38:44 PM] Weblogic Server Exception: weblogic.application.ModuleException: Failed to load webapp: 'TestFlow.war'
[04:38:44 PM] Caused by: java.lang.ClassNotFoundException: oracle.adf.library.webapp.ResourceServlet
[04:38:44 PM] See server logs or server console for more details.
[04:38:44 PM] weblogic.application.ModuleException: Failed to load webapp: 'TestFlow.war'
[04:38:44 PM] #### Deployment incomplete. ####
[04:38:44 PM] Deployment Failed
I am following all the steps in the tutorial.
tutorial details:
name: Developer’s Guide for Oracle SOA Suite 11g Release 1 (11.1.1)
page number: *589.(How To Create a Task Display Form Using the Complete Task with Payload Drop Handler)*
How can I solve this issue ?
Response requested at the earliest......

While deploying the example 'VacationRequest' in the oracle complete guide for 11g, i got an exception like this
"12:08:15 PM] Deploying Application...
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[12:11:24 PM] [Deployer:149193]Operation 'deploy' on application 'VacationRequestTaskFlow' has failed on 'soa_server1'
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[12:11:24 PM] Weblogic Server Exception: weblogic.application.ModuleException: Failed to load webapp: 'VacationRequestTaskFlow.war'
[12:11:24 PM] Caused by: java.lang.ClassNotFoundException: oracle.adf.library.webapp.ResourceServlet
[12:11:24 PM] See server logs or server console for more details.
[12:11:24 PM] weblogic.application.ModuleException: Failed to load webapp: 'VacationRequestTaskFlow.war'
[12:11:24 PM] #### Deployment incomplete. ####
[12:11:24 PM] Deployment Failed"
Can anyone help in this.

Forwarding actionable emails (Human Workflow)

I am looking for documentation to configure the user messaging service driver for email notifications for actionable tasks.
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If anyone knows how this can be achieved please share information.
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This is strange behavior. R&D time
1) Are you getting any clue from the logs ? Is it a one-off issue or it is happening for all the tasks.
2) Are you on the cluster ? Have you restarted your server during the task durations.
3) Once the workflow is completed, then it remains completed or the workflow execution is again restarting ?
4) If this is happening for all the tasks, you may like to look at wftasktimer table in orabpel schema if reminder entry for the completed task is still there or not.
If this a production issue, I suggest you raise a ticket in metalink with Oracle Support.

Cannot Uncomplete Completed task exception

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When i approve a request and the provisioning workflow is triggered. Now due to an error in the provision flow task , the whole process is rolled back. But I am getting this error--
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Any pointers to this issue will be helpful...
TIA,
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I did some investgation and figured out that there is no standard way to invoke an already completed Task.Therefore for our requirement I have proposed a new solution.
I am storing the Workitem Id, when the task gets created, in a custom table along with all the data which is necessary for the I-View display.
To enable users to open the I-View of the task they already completed and take a print out of the I-View etc, I have designed another application. and in this application I am using the Workitem Id to read which completed task they want to view.
See if this works for you.

Configure DB connections used by Human workflow

Hi All
We are using Oracle BPEL for orchestrating a process flow; the BPEL process uses Human workflow service for assigning tasks to users and Java client code(SOAP client) is used to update tasks assigned to users.(we are not using Worklist application). The users are updating the tasks using the java client code and this is a continuos process.i.e. users work continuosly in shifts.
The workflow service seems to utilize lot of DB resources as 50-60 users are working continuously at the same time... Though we can configured the DB parameters/connection pool we are having some performance issues..
Just wondering if we can have a seperate connection pool/data source for Human workflow service?? Then orabpel application and workflow service can use seperate pools and the load can be reduced..
Any documentation/pointers on this will be of great help on this...
Thanks

You can / should have your HW app in a different, database, at least schema. Then it is just a matter of setting up a differnt connection pool for the HW app.
There is also noting stopping you from having 2 different connection pools pointing to the same oracle schema. One for HW and one for bpel. They can be tuned accordingly.
cheers
James

Reg:restart the completed task in human workflow

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