Hotfixes

The following hotfix is available for Appian 20.2.

Hotfix Package F

This is a cumulative hotfix package that includes Hotfix Packages A, B, C, D, and E as well as new hotfixes in a single download and a set of instructions. This package is required for any Appian 20.2 installations not currently on Hotfix Package F. After installing, you will be running on Appian 20.2 Hotfix Package F.

See the Installation section at the bottom of this page for instructions on how to install this hotfix package.

20.2 Hotfix Package F

Release Date: 20 November 2020 (Package F)

Resolved Issues

  • Security Updates - High

  • AN-168877 - Medium
    Process history now properly displays a user whose username was changed. Prior to this fix, process history would display a blank user for users whose username was changed.

  • AN-170363 - Medium
    Fixed an issue that caused interfaces to become unresponsive after submitting a record action dialog and then quickly opening another record action dialog.

  • AN-171665 - Medium
    Update RPA Execute Process Integration to fix issue of an empty dropdown parameter value causing error

  • AN-171833 - Medium
    Fixed an issue that caused interfaces to become unresponsive after submitting a record action dialog and then quickly opening another record action dialog.

  • AN-172432 - Medium
    Fixed an issue where threads could become stuck while cleaning up cache entries.

  • AN-164728 - Low
    Users with a null username can no longer be reactivated using the Reactivate User Smart Service. Prior to this fix, it was possible to reactivate a user with a null username causing errors while accessing the user.

  • AN-165165 - Low
    When duplicating objects, developers are no longer added to the security rolemap as an administrator if they already belong to a group with administrator permissions.

  • AN-166239 - Low
    Fixed an issue which could cause spikes in memory usage or log extraneous error messages when editing interface objects.

  • AN-168586 - Low
    When deploying applications to a target environment, developers are no longer added to the application's security rolemap as an administrator if they already belong to a group with administrator permissions.

  • AN-170066 - Low
    Fixed an issue that prevented system administrators from logging in when they are not part of the Designer and Application User groups.

  • AN-171145 - Low
    Duplicating a process model now correctly generates new node UUIDs.

Release Date: 30 October 2020 (Released as Package E)

Resolved Issues

  • Security Updates - Medium

  • AN-169464 - High
    Process History details can be safely accessed for processes with process variables of type 'dictionary'. Prior to this fix, accessing history for such processes would cause the process execution engine to rollback in some scenarios.

  • AN-169523 - High
    Fixed an issue with data server migration that prevented data server from starting up on self-managed windows installation of Appian.

  • AN-170394 - High
    Fixed an issue that caused processes using the Send Email Smart Service to fail due to high load on the engines.

  • AN-170688 - High
    ElasticSearch version has been upgraded to resolve the issue of high heap usage by Search Server.

  • AN-170763 - High
    Fixed an issue that caused some functions in expressions to be replaced by their previous Appian version.

  • AN-55085 - Medium
    The Render Phase Mean Time metric is now accurately logged in rest_details.csv. Prior to this fix, the metric was logged incorrectly in certain scenarios, causing its value to be larger than the Mean Total Time.

  • AN-156075 - Medium
    The Export Data Store Entity to Excel or CSV smart services will no longer execute indefinitely when exporting a database view that has a null primary key. Instead, these smart services will fail appropriately at run-time and display a corresponding process error message.

  • AN-160691 - Medium
    Fixed an issue that resulted in the mobile user needing to select the intended mobile application during the user authentication process

  • AN-169808 - Medium
    Fixed an issue which prevented refresh intervals from updating a local variable's value while testing an interface.

  • AN-170917 - Medium
    Fixed an issue which caused the application server to slow down if a database became unresponsive

  • AN-148898 - Low
    Fixed an issue where the French (Canada) translation for the Date & Time component placeholder was incorrect resulting in selected value validation errors.

  • AN-168635 - Low
    The keyboard focus indicator is now visible for the 'Skip to main content' link on Tempo and Sites.

  • AN-170457 - Low
    Fixed a display issue where a direct deployment's details page showed its database scripts in a different order from which they were originally specified and executed.

  • AN-170527 - Low
    Fixed a display issue where an error dialog is shown after updating a SAML IdP metadata file in the Administration Console, although the change is successfully saved.

Release Date: 25 September 2020 (Release as Package D)

Resolved Issues

  • Security Updates - High

  • AN-143009 - High
    Nested CDTs with date or datetime fields are now not updated redundantly when the parent CDT is updated. This results in performance improvement during writes to parent CDTs.

  • AN-165870 - High
    Processes archived after adding additional process execution shards beyond the default three can now be unarchived safely. Prior to this fix, unarchiving these processes would fail due to data corruption.

  • AN-166375 - High
    Processes that were archived prior to version 6.6.3 can now be successfully unarchived. Prior to this fix, unarchiving these process caused the process execution engine to rollback in some scenarios.

  • AN-166394 - High
    Search server indexing process is now more robust to race conditions across nodes on a Highly Available Appian site.

  • AN-168308 - High
    Fixed an issue that caused an error when opening certain related actions in a dialog box.

  • AN-169464 - High
    Process History details can be safely accessed for processes with process variables of type 'dictionary'. Prior to this fix, accessing history for such processes would cause the process execution engine to rollback in some scenarios.

  • AN-169523 - High
    Fixed an issue with data server migration that prevented data server from starting up on self-managed windows installation of Appian.

  • AN-160691 - Medium
    Fixed an issue that resulted in the mobile user needing to select the intended mobile application during the user authentication process

  • AN-167283 - Medium
    Fixed an issue where navigating quickly between pages on a site could cause an unexpected error.

  • AN-168025 - Medium
    Fixed an issue that prevented Search Server settings from getting applied to a site.

  • AN-168138 - Medium
    Fixes an issue which causes the application server to slow down if a database becomes unresponsive.

  • AN-168169 - Medium
    A system error will no longer occur during Inspection in Compare and Deploy when certain calls to the target environment have timed out.

  • AN-168251 - Medium
    Fixed an issue which caused the server to evaluate some expressions more slowly while under heavy load.

  • AN-156075 - Low
    The Export Data Store Entity to Excel or CSV smart services will no longer execute indefinitely when exporting a database view that has a null primary key. Instead, these smart services will fail appropriately at run-time and display a corresponding process error message.

  • AN-168003 - Low
    Unused configuration files have been removed from the Service Manager conf directory.

  • AN-168212 - Low
    Fixed an issue where data types that contain certain simpleType and other XSD elements could not be opened in the Data Type Designer.

  • AN-168554 - Low
    Fixed an issue with a broken documentation link in the Button Widget validation parameter.

  • AN-168635 - Low
    The keyboard focus indicator is now visible for the 'Skip to main content' link on Tempo and Sites.

Release Date: 21 August 2020 (Released as Package C)

Resolved Issues

  • Security Updates - High

  • AN-153413 - High
    Fixed an issue where importing types or deploying a plugin in some scenarios would cause the process design engine to rollback

  • AN-162502 - High
    The engine startup sequence has been streamlined so that if a problem occurs during startup, it will fail quickly rather than after a prolonged timeout. Previously, certain conditions could make engine startup hang for up to 10 minutes before failing.

  • AN-163470 - High
    Newly added process execution engines now properly validate for missing users. Prior to this fix, certain functionality such as unarchiving processes would fail if they contained one of the missing users.

  • AN-164452 - High
    Health Check no longer collects certain audit logs during data collection.

  • AN-164491 - High -
    Fixed an issue that caused the Start Doc Extraction Smart Service node to fail after upgrading a site from 20.1 to a higher version.

  • AN-164708 - High
    Improved performance of larger interfaces when the system is under high load.

  • AN-165843 - High
    Archived processes that are missing user UUIDs can now be unarchived safely. The missing users in the unarchived process will show up as "null" in the unarchived process. Prior to this fix the process execution engine could roll back in such a situation, causing a temporary outage. The issue causing processes to archive with missing user UUIDs was fixed in a different hotfix (see AN-160176).

  • AN-165944 - High
    Socket timeout for Oracle database connection has been disabled by default. Customers will no longer see SO_TIMEOUT errors in the application server log when accessing Oracle database from an Appian Cloud site.

  • AN-160413 - Medium
    Fixed an issue where rule renaming did not automatically rename rules called in the expression editor in the record header configuration.

  • AN-162346 - Medium
    Fixed an issue that prevented process model comparisons from rendering when sub-process nodes contain certain custom data type inputs.

  • AN-162600 - Medium
    Modal dialogs now show a visual indicator when the dialog itself has keyboard focus.

  • AN-163121 - Medium
    Linked cards are now properly included in the list of links dialog when using assistive technologies.

  • AN-163494 - Medium
    Reduced memory footprint of the Read-Only Grid Component.

  • AN-163516 - Medium
    An issue resulting in an excessive number of threads in a waiting state on a site after the usage of data stores has been resolved.

  • AN-164042 - Medium
    Health Check data collection no longer fails due to certain invalid application configurations.

  • AN-164662 - Medium
    Fixed an issue that occasionally caused types to be cached incorrectly in the system on appserver startup.

  • AN-164748 - Medium
    Fixed an issue that caused record types to appear to be modified

  • An-165105 - Medium
    Fixed an issue where the width of some components inside a collapsible section were incorrect. As a result of this change, the animation on the collapsible section which gradually reveals components has been removed from IE11 and added to Safari. The animation is purely visual and has no functional impact.

  • AN-165492 - Medium
    Improved performance when editing interfaces containing large data structures. This prevents an issue where certain interfaces may fail to load.

  • AN-159960 - Low -
    Fixed cosmetic issue to remove extra white space between toolbar and document in Document Extraction reconciliation tasks on Sites.

  • AN-164714 - Low
    Change the Process Model Recommendation weighting file to the .weights format.

  • AN-AN-164957 - Low
    Oracle JDBC driver for Appian Cloud sites has been updated to version 19.7

Release Date: 24 July 2020 (Released as Package B)

Resolved Issues

  • Security Updates - High

  • AN-160176 - High
    New users created after adding additional process execution shards beyond the default three are now properly populated in the newly added execution engine shards. Prior to this fix, certain functionality such as unarchiving processes would fail if they contained one of the newly-created users. This restores behavior to be consistent with version 19.4 and earlier.

  • AN-160317 - High
    Fixed an issue with component plug-ins where users on Google Chrome 83 could not download the embedded content.

  • AN-160805 - High
    Engines are more resilient during network instability and will eventually succeed in leader election even through connection loss.

  • AN-161240 - High
    Fixed an issue where a process model could automatically save an incorrect version with missing node connections, swim lanes, or data output targets when using RecordType as an input type to a User Input Task.

  • AN-161531 - High
    Restore the previous default encoding to UTF-8 for integration responses that don't explicitly specify a charset.

  • AN-161604 - High
    Added the ability for plug-ins to access packages from the Oracle JDBC jar that ships with Appian.

  • AN-161752 - High
    Data cleanup procedures that run on site startup now run asynchronously so that they do not block the startup process.

  • AN-161767 - High
    Reduced memory footprint and improved stability of the application server in certain cases.

  • AN-93216 - Medium
    The login behavior is now consistent when attempting authentication with invalid credentials and the system has both SAML and LDAP authentication mechanisms configured and enabled.

  • AN-152118 - Medium
    Service manager will now log an exception if checkpointing is disrupted due to disk access. This will then ensure the process does not hang indefinitely.

  • AN-160320 - Medium
    The default Administrator account can no longer authenticate with its default password if other system administrator accounts exist.

  • AN-160322 - Medium
    Creating a System Administrator user via passwords.properties during initial installation now invalidates the default Administrator account's default password.

  • AN-160350 - Medium
    When viewing the process history of a process, the values of process variables of type user now show the new username for users that have been renamed instead of blank. This restores behavior to be consistent with version 19.4 and earlier.

  • AN-161467 - Medium
    Fixed an issue in the process modeler that allowed for the creation of process variables with invalid types.

  • AN-161946 - Medium
    Fixed an issue where grids with certain pagingSaveInto configurations validated on page or sort action. This updates behavior to be consistent with Appian 20.1 and earlier.

  • AN-162191 - Medium
    A custom property has been added to make it easier to connect with databases that have case-sensitive collation configured. This property allows customers to work around the scenario of data stores not validating due to the application server lower-casing the schema defined in the XSD. On-premise customers can set "conf.data.teneo.naming.strategy" property in custom.properties to "none" to access the problematic entities. For cloud customers, the same property can be set via a Support case.

  • AN-163423 - Medium
    Health Check now gracefully handles the presence of multiple gzip files in the logs directory.

  • AN-163541 - Medium
    It is no longer allowed to create a business data source in the Admin Console with the same name as the Appian Cloud provided business data source.

  • AN-73461 - Low
    Fixed an issue where a horizontal scrollbar displayed when using Arabic language.

  • AN-154892 - Low
    It is no longer required to run the ResetAnalytics script on all servers, it can be run on any server running an analytics engine. Additionally, the script now has improved logging and can be used on distributed sites where components are distributed across multiple physical machines.

  • AN-158425 - Low
    Plug-ins that use the Apache Velocity library can now be deployed to sites running in Appian Cloud. The system now provides a default properties configuration for Velocity so that log files are written to the proper directory.

  • AN-158574 - Low
    Removed a broken documentation link from expression-backed records created prior to 18.3

  • AN-161107 - Low
    Updated Java API documentation to ensure consistent terminology for terms: allow list, block list, main, and shard.

  • AN-161252 - Low
    Manage Test Cases now displays long expression rule names correctly in the Test Case Results pane.

  • AN-161470 - Low
    Fixed an issue where references to a!refreshVariable could be displayed as their internal storage form after upgrade.

  • AN-161558 - Low
    Updated interface and data type designers to use improved terminology: ""grid with detail view"" and ""parent-child""

  • AN-162015 - Low
    Users that have had a username rename performed are now listed correctly in the Record Type Security dialog in Appian Designer.

  • AN-162270 - Low
    Rule input expressions in the Forms tab of a process node now display system rules in a human-readable format.

  • AN-163464 - Low
    Added support for sending of intermediate client certificates. This affects only newly uploaded client certificates, and will not change the behavior of previously uploaded certificates.

Release Date: 19 June 2020 (Released as Package A)

Resolved Issues

  • Security Updates - Low

  • AN-160477 - High
    Screen reading software now correctly reads content within non-collapsible sections and boxes in Internet Explorer 11. This is not an issue in other browsers.

  • AN-160973 - Medium
    The multiple dropdown component now shows visual indication of keyboard focus when the user's keyboard focus is on a selected option.

  • AN-160994 - Low
    Fixed an issue that caused column layout alignment issues.

  • AN-161012 - Low
    Oracle 19.3 JDBC Driver is now used as the driver for Appian Cloud site connection to Oracle database configured as a data source.

Installation

Perform the following steps to apply the hotfix:

  1. Stop Appian. See Starting and Stopping Appian for detailed instructions:
    1. Shut down the application server.
    2. Shut down the search server.
    3. Shut down the data server.
    4. Shutdown all Appian Engines, ensuring that the engines are checkpointed upon shutdown.
  2. Back up your existing Appian instance. See Backing Up Your Existing Appian Instance for instructions.
  3. Unzip the contents of the 20.2.0.0_Hotfix_Package_F.zip archive into your <APPIAN_HOME> directory.
  4. Run the deleteFiles script (deleteFiles.bat on Windows, deleteFiles.sh on Linux) that is now located in your <APPIAN_HOME> directory.
    • If the script reports that some files were not deleted, address the reason for the failure (common causes listed below), and run it again until it no longer reports failed deletions.
    • Common causes of failed file deletion include:
    • The file is open in another window or process
    • The file is locked
    • You do not have permission to delete the file
  5. Unzip the contents of the updates.zip archive that is now located your <APPIAN_HOME> directory.
  6. Run the installJdk script (installJdk.bat on Windows, installJdk.sh on Linux).
  7. If you maintain customized or overridden Spring Security .xml files, merge them with the associated base files in the /deployment/web.war/WEB-INF/conf/security/ directory.
  8. Delete the deleteFiles scripts, the installJdk scripts, the OpenJDK .tar.gz and .zip files, and updates.zip.
  9. If you are using a Web server, copy the content of <APPIAN_HOME>/deployment/web.war to the folder where the Web server is getting the static resources. See Copy Static Resources to the Web Server for more information.
  10. Run the configure script to deploy your environment's configuration and re-configure any node names previously set by the configure script tools.
  11. Start Appian:
    1. Start the Appian Engines.
    2. Start the data server.
    3. Start the search server.
    4. Start the application server.

To determine if Appian 20.2 Hotfix Package F is deployed, open the build.info file located in <APPIAN_HOME>/conf/. The contents of this file should match the following code sample:

build.revision=de614fb89414f748ce9cf4c75cafd2bbf5540f12
build.version=20.2.305.0
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