{"id":2067,"date":"2011-05-12T23:16:54","date_gmt":"2011-05-13T04:16:54","guid":{"rendered":"http:\/\/jianmingli.com\/wp\/?p=2067"},"modified":"2015-04-17T13:58:00","modified_gmt":"2015-04-17T18:58:00","slug":"soa-11g-tutorial-human-tasks","status":"publish","type":"post","link":"https:\/\/jianmingli.com\/wp\/?p=2067","title":{"rendered":"SOA 11g Tutorial: Human Tasks"},"content":{"rendered":"
\n

Contents<\/h2>\n
    \n\t
  1. \n\t\tHuman Tasks Overview<\/a>\n\t\t
      \n\t\t\t
    1. \n\t\t\t\tHuman Work Flow Service<\/a>\n\t\t\t<\/li>\n\t\t\t
    2. \n\t\t\t\tWork List App<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
    3. \n\t\tAdd Human Task to Composite Diagram<\/a>\n\t\t
        \n\t\t\t
      1. \n\t\t\t\tAdd Human Task<\/a>\n\t\t\t<\/li>\n\t\t\t
      2. \n\t\t\t\tCall Human Task from BPEL Process<\/a>\n\t\t\t<\/li>\n\t\t\t
      3. \n\t\t\t\tAuto Generate Task Form<\/a>\n\t\t\t<\/li>\n\t\t\t
      4. \n\t\t\t\tManual Generate Task Form<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
      5. \n\t\tDeploy<\/a>\n\t\t
          \n\t\t\t
        1. \n\t\t\t\tDeploy SOA App<\/a>\n\t\t\t<\/li>\n\t\t\t
        2. \n\t\t\t\tDeploy ApproveTaskDetails Project<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
        3. \n\t\tTest<\/a>\n\t\t
            \n\t\t\t
          1. \n\t\t\t\tTest Manual PO Approval<\/a>\n\t\t\t\t
              \n\t\t\t\t\t
            1. \n\t\t\t\t\t\tInput message<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
            2. \n\t\t\t\t\t\tPerform Human Task<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
            3. \n\t\t\t\t\t\tMessage Flow<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
            4. \n\t\t\t\t\t\tNew Order File<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t<\/ol>\n<\/ol>\n\t\t\t
            5. \n\t\t\t\tIssues<\/a>\n\t\t\t\t
                \n\t\t\t\t\t
              1. \n\t\t\t\t\t\tCaused by: java.lang.ClassNotFoundException: oracle.adf.library.webapp.ResourceServlet<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
              2. \n\t\t\t\t\t\tWarning: Error assignee not specified<\/a>\n\t\t\t\t\t<\/li>\n\t\t\t\t\t
              3. \n\t\t\t\t\t\tJDBC driver does not support XA<\/a>\n\t\t\t\t\t<\/li>\n<\/ol>\n<\/ol>\n<\/ol>\n<\/div>\n
                 <\/div>\n

                This is part of the Oracle SOA11g hands on tutorials<\/a>.<\/p>\n

                Human Tasks Overview<\/h2><\/span>\n

                Human Work Flow Service<\/h3><\/span>\n

                * Exposed as
                \n– Web Service
                \n– Java API
                \n* Provides
                \n– Task Service
                \n– Task Query Service
                \n– Task Metadata Service
                \n– User Metadata Service
                \n– Identity Service
                \n– Notification Service<\/p>\n

                Work List App<\/h3><\/span>\n

                * ADF based web app
                \n* Default roles
                \n– Adminitrator
                \n– Process owner
                \n– Supervisor
                \n– Assignee
                \n* Example actions
                \n– Update payload
                \n– Attach doc
                \n– Route tasks
                \n– Complete tasks
                \n* User actions
                \n– Perform authorized actions
                \n– Acquire and checkout shared tasks
                \n– Define personal to-do tasks
                \n– Define subtasks
                \n– Filter tasks
                \n– Define custom work queue
                \n– Proxy access to other user’s work list
                \n– Define vacation and delegation rules
                \n– Access work history and audit trails<\/p>\n

                Add Human Task to Composite Diagram<\/h2><\/span>\n

                Add Human Task<\/h3><\/span>\n

                * Open POProcessing > composite.xml
                \n* Drag and drop a Human Task icon onto Components lane and enter
                \n– Name: ManualPOApproval
                \n– Click OK
                \n* Wire from BPEL process to human task
                \n– Drag a wire from lower right corner of approveLargeOder icon to upper left of ManualPOApproval icon.
                \n* Double click ManualPOApproval icon to open human task editor, enter
                \n– General tab
                \nTask Title: Approve Order
                \nDescription: Manual approval task for large orders
                \n– Data tab
                \nclick green plus sign and select Add other parameter<\/em> to open Add Task Parameter dialog
                \nclick magnifying glass to the right of Element and browse to Project Schema Files -> internalorder.xsd -> Order
                \nclick OK
                \nselect Editable via worklist
                \nclick OK
                \n– Assignment tab
                \ndouble click Edit Participant box and enter
                \nType: Single
                \nLable: Large Order Approver
                \nclick green plus icon and select Add User<\/em>. Enter weblogic in Value field
                \n* Click OK
                \n* Save all
                \n* Close human task editor<\/p>\n

                Call Human Task from BPEL Process<\/h3><\/span>\n

                * Open BPEL designer by double clicking BPEL icon
                \n* Drag and drop a Human Task below assignApproval Assign activity
                \n* Double click Human Task icon to open Human Task editor
                \nTask Definition: ManualPOApproval
                \n– Click […] underneath BPEL Variable field and select Variables -> Process -> Variables -> inputVariable -> payload -> Order, click OK
                \n– Click OK again on Human Task editor
                \n* Drag and drop assignApproval Assign activity below <\/strong>CopyPayloadFromTask icon in the APPROVE lane
                \n* Double click CopyPayloadFromTask icon in the REJECT lane
                \n– drag and drop the Expression icon (with fx on it located in the upper right corner) onto outputVariable <\/strong>-> payload -> OrderType -> status field on the right field . Enter ‘rejected’ and click ok
                \n– click OK again on Edit Assign dialog.
                \n* Double click CopyPayloadFromTask in the otherwise lane.
                \n– Do the same and set status to ‘expired’
                \n* Save All<\/p>\n

                Auto Generate Task Form<\/h3><\/span>\n

                * On approveLargeOrder.bpel diagram,
                \n– double click ManualPOApproval1 icon
                \n– click the Edit Task Definition icon (pencil) to the right of Task Definition label.
                \n* On ManualPOApproval.task file screen, click Create Form -> Auto-Generate Task Form… (upper left corner), enter
                \nProject Name: ApproveTaskDetails
                \nDirectory: C:\\po\\POProcessing\\ApproveTaskDetails
                \n* Click OK
                \n* Wait until TaskDetails1.jspx opens
                \n* Click Save All<\/p>\n

                Manual Generate Task Form<\/h3><\/span>\n

                * TODO<\/p>\n

                Deploy<\/h2><\/span>\n

                Deploy SOA App<\/h3><\/span>\n

                * Right click POProcessing -> Deploy<\/p>\n

                Deploy ApproveTaskDetails Project<\/h3><\/span>\n

                * Note that right click ApproveTaskDetails project -> Deploy ApproveTaskDetails…<\/em> won’t<\/strong> work.
                \n* Select ApproveTaskDetails project
                \n* From Application menu,
                \nselect Application -> Deploy -> ApproveTaskDetails
                \n* Select Deploy to Application Server, click Next
                \n* Select MyAppServerConnection, click Next
                \n* Select
                \n– Deploy to selected instances in the domain
                \n– soa_server1
                \nclick Next
                \n* Click Finish<\/p>\n

                Test<\/h2><\/span>\n

                Test Manual PO Approval<\/h3><\/span>\n

                Input message<\/h4><\/span>\n

                * Log into EM and enter the test message for POProcessing<\/p>\n

                \r\n\r\n    \r\n        \r\n            1111<\/ns1:CustID>\r\n            2222<\/ns1:ID>\r\n            iPod shuffle<\/ns1:productName>\r\n            Electronics<\/ns1:itemType>\r\n            145<\/ns1:price>\r\n            30<\/ns1:quantity>\r\n            Initial<\/ns1:status>\r\n            Mastercard<\/ns1:ccType>\r\n            1234-1234-1234-1234<\/ns1:ccNumber>\r\n        <\/ns1:PurchaseOrder>\r\n    <\/soap:Body>\r\n<\/soap:Envelope>\r\n<\/pre>\n
                * Click Launch Message Flow Trace
                \n– Check ManualPOApproval Human Workflow Component has a state of Running<\/strong><\/p>\n
                Perform Human Task<\/h4><\/span>\n
                * Login worklistapp
                \nURL: http:\/\/localhost:8001\/integration\/worklistapp<\/a>
                \nUsername: weblogic
                \nPass: welcome1
                \n* Click Approve Order in My Tasks window
                \n* Click Approve or Reject<\/p>\n
                Message Flow<\/h4><\/span>\n
                * Back in EM
                \n* Click Launch Message Flow Trace
                \n– Check ManualPOApproval Human Workflow Component has a state of Completed<\/strong><\/p>\n
                New Order File<\/h4><\/span>\n
                * Check that a new order file is created<\/p>\n
                Issues<\/h2><\/span>\n
                Caused by: java.lang.ClassNotFoundException: oracle.adf.library.webapp.ResourceServlet<\/h3><\/span>\n
                * You tried to deploy ApproveTaskDetails with right click ApproveTaskDetails project -> Deploy ApproveTaskDetails…<\/em> method.
                \n* Deploy instead with Application -> Deploy -> ApproveTaskDetails<\/em> <\/p>\n
                Warning: Error assignee not specified<\/h3><\/span>\n
                * This is can be ignored
                \n* See                 http:\/\/forums.oracle.com\/forums\/thread.jspa?threadID=950504&start=0&tstart=0<\/a><\/p>\n
                JDBC driver does not support XA<\/h3><\/span>\n
                * Exception in soa_server1.out:<\/p>\n
                \r\nJDBC driver does not support XA, hence cannot be a participant in two-phase comm\r\nit. To force this participation, set the GlobalTransactionsProtocol attribute to\r\n LoggingLastResource (recommended) or EmulateTwoPhaseCommit for the Data Source\r\n= soademoDatabase\r\n        at weblogic.transaction.internal.TransactionImpl.throwRollbackException(\r\nTransactionImpl.java:1881)\r\n<\/pre>\n
                * Cause: soademoDatabase was created with the non-XA jdbc driver.
                \n* Fix: recreate soademoDatabase and make sure to select Oracle’s Driver (Thin XA<\/strong>) for Service connections; Verions:9.0.1 and later<\/em> as database driver.<\/p>\n
                * OFMW Developer’s Guide: Using the Human Workflow Service Component<\/a>
                \n*                 http:\/\/redstack.wordpress.com\/2010\/01\/08\/human-workflow-in-11g\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
                This is part of the Oracle SOA11g hands on tutorials. Human Tasks Overview Human Work Flow Service * Exposed as – Web Service – Java API * Provides – Task Service – Task Query Service – Task Metadata Service – … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[100],"tags":[],"class_list":["post-2067","post","type-post","status-publish","format-standard","hentry","category-soa11g"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8cRUO-xl","_links":{"self":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2067"}],"version-history":[{"count":22,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2067\/revisions"}],"predecessor-version":[{"id":10663,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2067\/revisions\/10663"}],"wp:attachment":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}