13  Oracle WebCenter

13.1.1 Using Oracle WebLogic Communications Server

Oracle WebLogic Communications Server (OWLCS) is provided as a sample for development only. It should not be used for production deployments.

13.1.2 Using Jive Forums Documentation

Oracle WebCenter Discussions (Jive Forums) is an optional component of Oracle WebCenter. Complete documentation for Jive Forums is included for reference. However, Jive software installations and upgrades outside of the WebCenter product installation are not supported.

13.1.3 Application Role Names Cannot Include Thai Characters

In this release, application role names cannot contain Thai characters.

13.1.4 Pagelet Producer Failover Support

Oracle WebCenter Pagelet Producer supports failover in a clustered configuration. However, the in-flight data (unsaved or pending changes) is not preserved. On failover, administrators must reestablish their administrative session. End users may also need to reestablish the session if the proxy is required to have a state. If SSO is configured, credentials are automatically provided, and the session is reestablished.

13.1.5 JAWS Does Not Announce Submenu Items

Normally, JAWS announces the links associated with a menu selection. With the Actions menu, JAWS does not announce the submenu items. The workaround is to select the menus using direct keyboard navigation. That is, instead of using JAWS Links chooser, navigate to the Manage submenu of the Actions menu using the Tab key on your keyboard.

13.1.6 JAWS Cannot Read Some Menus, Fields, and Radio Buttons

Not all dropdown menus, fields, and radio buttons on Space administration pages are labeled, making the JAWS screen reader display a pound sign (#) instead of a Label when the JAWS command Insert-F7 is invoked. The problem occurs in the following areas:

• Drop down menus in Space administration pages

• Radio buttons on Space administration pages

• Fields on the Documents page

The workaround is to use the Tab and arrow keys to navigate to each individual form field in order to hear each form field read.

13.1.7 Performing Security-Related Operations on Business Role Pages

Seeded business role pages, such as "Activities," "Spaces," and the like, are available to all users by default. Currently, the WebCenter Spaces UI does not provide a means of performing security-related operations on business role pages. This means you cannot hide a business role page from all users through the WebCenter Spaces UI. However, there is a workaround:

1. Take an MDS dump.

2. Find the anonymous and authenticated users in the pages.xml file, and mark the page hidden or shown based on your requirement:

   • Set hidden="true" for the pages that should not be shown.

   • Set hidden="false" for pages that should be shown.

3. Upload the changed files back to the repository.

13.1.8 File Upload Browse Button Not Selectable with Enter Key (Accessibility Issue)

In Internet Explorer 7 or Firefox, when you select the Upload action on the Documents page or in a Documents service task flow, you are not able to specify a file by pressing the Enter key to select the Browse button:

• In Internet Explorer 7, this action opens the File Upload dialog to select a file, but when you select the Upload button, an error message displays "Please verify your upload data" and the selected file is removed from the Document to Upload field.

• In Firefox: This action has no effect.

As a workaround in both Internet Explorer 7 and Firefox, press the spacebar to select the Browse button.

13.1.9 Configuring a Client Security Policy for Oracle Content Server Connections

If your environment supports Global Policy Attachments (GPA), leave the Client Security Policy property blank when you configure the Oracle Content Server connection. The hint text and online help indicates that you must enter the value 'GPA' but this information is not correct. See also, the table "Oracle Content Server Connection Parameters" in Oracle Fusion Middleware Administrator's Guide for Oracle WebCenter.

13.1.10 Importing Space Templates with Public Access

When a Space template with public access is imported into another instance of WebCenter Spaces, the template appears as public but the grants are not imported properly. Creating a Space based on this template by using the UI works fine, but creating a Space by using the WebService call fails with an exception.

As a workaround, in the Spaces UI, revoke the public access from the template, and then grant the public access again.

13.1.11 Task Flow Customizations Saved Automatically

Customizations made to task flows created at runtime are base document edits, and therefore, cannot be reset. Consequently, when editing a task flow created at runtime in Oracle Composer, customizations are saved even if you do not explicitly click Save.

Although the Reset Task Flow button is displayed for runtime task flows, it is does not reset customizations.

13.1.12 Option to Create a Portal Resource Displayed for Design-Time Task Flows

You can bring runtime task flows into JDeveloper, edit them, and export them back to the deployed application. However, Oracle recommends that you not expose task flows created in JDeveloper as portal resources. When you create an ADF task flow inside the /oracle/webcenter/portalapp folder, the context menu on the task flow definition file displays the Create Portal Resource option. Do not use this option to expose a design-time task flow as a portal resource. Task flows typically involve multiple files. When you export a new task flow from JDeveloper, all files may not be exported properly, and this may result in the task flow being broken post deployment.

13.1.13 Reading Items in the Resource Catalog (Accessibility Issue)

If you use a screen reader, when you are adding resources from the Resource Catalog, JAWS announces all Resource Catalog items as "Add". This makes it difficult to identify the selected resource. To work around this issue, press the Tab key to get to the Add link for the resource, then press the Down Arrow key. JAWS then reads the description of the resource.

13.1.14 Unsupported Data Controls Listed in the Runtime Resource Registry

When creating or editing custom Resource Catalogs in the Resources Manager, do not add the following data controls as they are not supported:

• ConnectionsNetworkDC

• KudosServiceDC

13.1.15 Connections Network Task Flow on System Pages Not Supported

If you include the Connections Network task flow in a custom Resource Catalog and use that catalog in your application, and then try to add this task flow to a system page, you get an error. This error prevents you from editing any other task flow on the page. To work around this issue, click the Restore Default link on the system page to undo all changes made to the page, including removal of the Connections Network task flow.

13.1.16 Editing Space Administration Permissions

While editing Space Administration permissions granted to a role, you may encounter an error. The error may typically occur if you grant more than one permission action for which there really is no need. For example, instead of granting both the Manage Configuration and Manage Membership, you can grant Manage All.

The workaround is to delete the role, create a new role with the same name, and grant it the required permissions. Alternately, you can revoke the Space Administration permissions selectively by using WLST and then grant the permissions again through the UI.

To revoke Space Administration permissions using WLST:

1. Find out the internal GUID of the Space.

2. Connect to WLST shell as an administrator.

3. List the currently granted permissions, and note down the currently granted set of actions. For example, run the following command to list the permissions granted to a Participant role for a Space with the GUID sdbc547df_6ffe_4404_a091_af45a5c6d401:

   listPermissions(appStripe="webcenter",principalClass="oracle.security.jps.service.policystore.ApplicationRole", principalName="sdbc547df_6ffe_4404_a091_af45a5c6d401#-#Participant")
   

   This will return an output like the following:

   [Permission Clz Name : oracle.webcenter.community.model.security.CommunityPermission, Target : space/sdbc547df_6ffe_4404_a091_af45a5c6d401, Actions : configure,managemembership,view ]
   

4. Revoke the currently granted set of actions.

   The following is an example of removing permission actions from a Participant role.

   revokePermission(appStripe="webcenter",principalClass="oracle.security.jps.service.policystore.ApplicationRole", principalName="sdbc547df_6ffe_4404_a091_af45a5c6d401#-#Participant",
   permClass="oracle.webcenter.community.model.security.CommunityPermission",
   permTarget="space/sdbc547df_6ffe_4404_a091_af45a5c6d401",
   permActions="configure,,managemembership,view")
   

Once revoked, you can grant permissions again by using the WebCenter Spaces UI. For information, see the "Managing Users, Roles, and Permissions" chapter in Oracle Fusion Middleware User's Guide for Oracle WebCenter.

13.1.17 Cannot Log In to WebCenter Spaces if Oracle BPM is Down

If the WebCenter domain has been extended using the Oracle BPM Spaces template, and Process Spaces has been installed, any attempt to log in to WebCenter Spaces throws exceptions if the Oracle BPM server is down.

13.1.18 Copy of Inherited Data Controls Returns Errors

In a Space, copy of Web Service data controls is supported only for data controls created within that Space, and not for inherited Web Service data controls. If you create a copy of an inherited Web Service data control and try to perform actions such as run or edit the copy, it leads to an internal error.

Copy and editing of inherited SQL data controls works properly. However, import or export of such data controls may result in errors.

13.1.19 Query in a SQL Data Control Throws Exception

If a database has imposed an IO limit, and the query happens to traverse large number of records that exceed the IO limit, then adding such a data control to a page or task flow may result in an error and failure to render. To limit the data retrieved from a database to specific criteria, you can specify bind parameters in your query in a SQL data control.

13.1.20 SQL Query with NCHAR Data Type Throws Exception

When using a SQL data control, you may encounter an error if the query contains a column with the NCHAR data type. As a workaround, you can use the to_char(NCHAR_COLUMN NAME) function.

13.1.21 Importing/Exporting a Space Containing Web Service Data Controls

If a Space contains a Web Service data control, then while importing or exporting the Space, the Web Service must be up and running and reachable. If not, the import or export of the data control throws exceptions.

13.1.22 Modifying Default Resource Strings for Language Support

In a WebCenter Portal application, to provide language support for component properties edited at runtime, Oracle Composer enables users to edit resource strings for properties that take String values. At runtime, when you try to override the default content in the resource bundle by directly entering values in the Select Text Resource dialog, the changes do not take effect and the page may appear blank.

The workaround is to create a new resource string instead of directly entering values in the Select Text Resource dialog. To create a new resource string, use the Create link in the Select Text Resource dialog and enter the required values in the search results table. Clicking the Use button in the last column selects this string for use as the current property value. For information, see the "Edit Resource Strings" section in Oracle Fusion Middleware Developer's Guide for Oracle WebCenter."