BPEL Worklist missing tasks

Hi,
I've hit an odd problem with the worklist app.
When the number of items on the worklist exceeds a single page, selecting the next set to display results in some tasks not being displayed. E.g. Task 12345 is on the worklist and can be displayed by sticking the number in the search field. However, this task is not show on any of the pages of tasks. when all tasks are listed
The ordering of the displayed tasks also appears to be up the creak, i.e selecting the task number column to order by any of the available colums produces some odd results, e.g. ordering by taks number descending gives me tasks 10841->10526 on the first page and 10847 -> 10542 on the send.
Anyone else having this prob ?
Rob

Hello,
By any chance, did you get anything from Oracle?
I am facing exactly the same error, however on 11g.
This is like P1 for me. Would appreciate if you can share your experience.
Thanks-
Ashish

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Message was edited by:
user552073

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Hi Pucha,
In the file system-jazn-data.xml, I can find the new realm added by me.
I reset the new realm to orabpel / hw_services / ruleauthor / ccore/ .......
Then, I restart the server, create new AS and IS connection.
However, I still cannot find the new realm name in the dropdown list of Human task in Jdeveloper.
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Thanks.
Edited by: [email protected] on Mar 16, 2009 3:43 PM

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import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.naming.NamingException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import oracle.bpel.services.workflow.IWorkflowConstants;
import oracle.bpel.services.workflow.StaleObjectException;
import oracle.bpel.services.workflow.WorkflowException;
import oracle.bpel.services.workflow.client.IWorkflowServiceClient;
import oracle.bpel.services.workflow.client.WorkflowServiceClientFactory;
import oracle.bpel.services.workflow.query.ITaskQueryService;
import oracle.bpel.services.workflow.repos.Ordering;
import oracle.bpel.services.workflow.repos.Predicate;
import oracle.bpel.services.workflow.repos.TableConstants;
import oracle.bpel.services.workflow.task.ITaskService;
import oracle.bpel.services.workflow.task.model.Task;
import oracle.bpel.services.workflow.verification.IWorkflowContext;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;
@SuppressWarnings( { "unchecked", "deprecation" })
public class Crud extends BaseAction {
     private Log log = LogFactory.getLog(getClass());
     private String getRemoteUser(HttpServletRequest request) {
          boolean isDevMode = Boolean.valueOf(System.getProperty("DEV_MODE"));
          String remoteUser = null;
          if (isDevMode) {
               if ((remoteUser = request.getParameter("remote_user")) != null)
                    request.getSession().setAttribute("remote_user", remoteUser);
               else
                    remoteUser = request.getSession().getAttribute("remote_user").toString();
          if (remoteUser == null)
               remoteUser = request.getHeader("REMOTE-USER");
          return remoteUser;
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          log.debug("remote user: " + remoteUser);
          IWorkflowContext wfCtx = WorkflowUtils.getWorkflowContextOnBehalf(AppProperties
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          Predicate crudPredicate = new Predicate(TableConstants.WFTASK_CATEGORY_COLUMN,
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                    IWorkflowConstants.TASK_STATE_STALE);
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          queryColumns.add("TASKID");
          queryColumns.add("TASKNUMBER");
          queryColumns.add("TITLE");
          queryColumns.add("PRIORITY");
          queryColumns.add("STATE");
          queryColumns.add("PROTECTEDNUMBERATTRIBUTE1"); // trxTypeId
          queryColumns.add("PROTECTEDNUMBERATTRIBUTE2"); // trxStatus
          queryColumns.add("PROTECTEDTEXTATTRIBUTE1"); // trxNo
          // List optionalInfo = new ArrayList();
          // optionalInfo.add("PAYLOAD");
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          ordering.addClause(TableConstants.WFTASK_PRIORITY_COLUMN, true, true);
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                    ITaskQueryService.ASSIGNMENT_FILTER_MY, null, crudPredicate, ordering, 0, 0);
          request.setAttribute("CRUD_TASKS", tasksList);
          logTaskAttributes(tasksList);
     public void delete(ActionMapping mapping, ActionForm form, HttpServletRequest request,
               HttpServletResponse response) throws WorkflowException, StaleObjectException {
          log.debug("delete");
          DynaActionForm deleteForm = (DynaActionForm) form;
          IWorkflowServiceClient wfSvcClient = WorkflowServiceClientFactory
                    .getWorkflowServiceClient(WorkflowServiceClientFactory.REMOTE_CLIENT);
          ITaskQueryService querySvc = wfSvcClient.getTaskQueryService();
          String remoteUser = getRemoteUser(request);
          log.debug("remote user: " + remoteUser);
          IWorkflowContext wfCtx = WorkflowUtils.getWorkflowContextOnBehalf(AppProperties
                    .getProperty("weblogic.username"), AppProperties.getProperty("weblogic.password"),
                    AppProperties.getProperty("identityContext"), remoteUser);
          log.debug(wfCtx.getClass());
          // category is CRUD
          Predicate crudPredicate = new Predicate(TableConstants.WFTASK_CATEGORY_COLUMN,
                    Predicate.OP_EQ, "CRUD");
          // assigned to the remote user
          crudPredicate.addClause(Predicate.AND, TableConstants.ASSIGNEE_ASSIGNEE_COLUMN,
                    Predicate.OP_EQ, remoteUser);
          // task is assigned
          crudPredicate.addClause(Predicate.AND, TableConstants.WFTASK_STATE_COLUMN, Predicate.OP_EQ,
                    IWorkflowConstants.TASK_STATE_ASSIGNED);
          // trxNo
          crudPredicate.addClause(Predicate.AND,
                    TableConstants.WFTASK_PROTECTEDTEXTATTRIBUTE1_COLUMN, Predicate.OP_EQ, deleteForm
                              .getString("trxNo"));
          // is a draft
          crudPredicate.addClause(Predicate.AND,
                    TableConstants.WFTASK_PROTECTEDNUMBERATTRIBUTE2_COLUMN, Predicate.OP_EQ, Double
                              .valueOf(Constants.TrxTypeId.DRAFT.getTrxTypeId()));
          log.debug(crudPredicate);
          List queryColumns = new ArrayList();
          queryColumns.add("TASKID");
          queryColumns.add("PROTECTEDNUMBERATTRIBUTE1"); // trxTypeId
          queryColumns.add("PROTECTEDNUMBERATTRIBUTE2"); // trxStatus
          queryColumns.add("PROTECTEDTEXTATTRIBUTE1"); // trxNo
          Ordering ordering = new Ordering(TableConstants.WFTASK_TITLE_COLUMN, true, true);
          ordering.addClause(TableConstants.WFTASK_PRIORITY_COLUMN, true, true);
          Task draftTask = null;
          List<Task> tasksList = querySvc.queryTasks(wfCtx, queryColumns, null,
                    ITaskQueryService.ASSIGNMENT_FILTER_MY, null, crudPredicate, ordering, 0, 0);
          logTaskAttributes(tasksList);
          if (tasksList!=null && tasksList.size() > 0)
               draftTask = tasksList.get(0);
          if (draftTask == null)
               return;
          try {
               // settting the task status to Constants.TrxTypeId.DELETED
               log.debug("update from: "
                         + draftTask.getSystemMessageAttributes().getProtectedNumberAttribute2());
               draftTask.getSystemMessageAttributes().setProtectedNumberAttribute2(
                         Double.valueOf(Constants.TrxTypeId.DELETED.getTrxTypeId()));
               wfSvcClient.getTaskService().updateTask(wfCtx, draftTask);
               log.debug("updated to: "
                         + draftTask.getSystemMessageAttributes().getProtectedNumberAttribute2());
               c.commit();
          } catch (Exception e) {
               log.error(e, e);
     private void logTaskAttributes(List<Task> tasksList) {
          // log.debug("task:" + task + " payload: "
          // + (task.getPayload() == null ? "null" :
          // task.getPayload().getContent()));
          log.debug("***********");
          for (Task task : tasksList) {
          log.debug("\ttask owner:" + task.getOwnerUser());
          log.debug("task state:" + task.getSystemAttributes().getState());
          // log.debug("task assigned date:" +
          // task.getSystemAttributes().getAssignedDate());
          log.debug("task status :"
                    + task.getSystemMessageAttributes().getProtectedNumberAttribute2());
          log.debug("task id :" + task.getSystemAttributes().getTaskId());
          log.debug("***********");
Please help,
Regards
Mehdi

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2e4
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0
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Thanks bnainani, you solved my problem!
Despite the fact that the approver's username is in the Oracle Collabortion Suite OID as all lower case letters (and you can still login to worklist with lower case letters), you were right in saying that you have to use all upper case letters when logging into the worklist application in order to see the pending tasks.
Just out of curiousity, do you have any idea why worklist requires upper case letters for the username?
Message was edited by:
middaymag
Message was edited by:
middaymag

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