KB-1789 "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Thu, 15 Nov 2018 16:35:29 GMT

Current Revision posted to Appian Knowledge Base by Jordan Horwat on 11/15/2018 4:35:29 PM

Symptoms

Following a site upgrade or restart, users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-119114.

Action

Restart the application server.

If the environment has multiple application servers, it is only necessary to restart the application server that is experiencing the issue. To identify the the application server that is experiencing the issue, refer to the instructions outlined in KB-1442.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure, open issues

KB-1789 "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Thu, 15 Nov 2018 11:35:29 GMT

Revision 11 posted to Appian Knowledge Base by Jordan Horwat on 11/15/2018 11:35:29 AM

Symptoms

Following a site upgrade or restart, users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-119114.

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure, open issues

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Parmida Borhani — Wed, 14 Nov 2018 18:36:06 GMT

Revision 10 posted to Appian Knowledge Base by Parmida Borhani on 11/14/2018 6:36:06 PM

Symptoms

Following a site upgrade or restart, users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-118552.

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure, open issues

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Wed, 14 Nov 2018 17:24:40 GMT

Revision 9 posted to Appian Knowledge Base by Jordan Horwat on 11/14/2018 5:24:40 PM

Symptoms

Following a site upgrade or restart, users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-118552.

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Wed, 14 Nov 2018 17:23:55 GMT

Revision 8 posted to Appian Knowledge Base by Jordan Horwat on 11/14/2018 5:23:55 PM

Symptoms

Following a site upgrade or restart, users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-118552.

Action

Restart the application server. If the environment has multiple application servers, it is only necessary to restart the application server that is experiencing the issue. To identify the the application server that is experiencing the issue, refer to the instructions outlined in KB-1442.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Tue, 13 Nov 2018 14:03:55 GMT

Revision 7 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 2:03:55 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design following an site upgrade or restart:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-118552.

Action

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Tue, 13 Nov 2018 13:40:43 GMT

Revision 6 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 1:40:43 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design following an site upgrade or restart:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

This issue is related to the way that the application server caches Appian system rules. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-118552.

Action

Restart the application server. If the environment utilizes multiple application servers, it is only necessary to restart the application server that is experiencing the issue. To identify the the application server that is experiencing the issue, refer to the instructions outlined in KB-1442.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

Tags: known issues, application server, upgrade, infrastructure

DRAFT KB-XXXX "A side by side layout has an invalid item." error when accessing applications and objects in /design

Jordan Horwat — Tue, 13 Nov 2018 12:11:16 GMT

Revision 5 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 12:11:16 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

Asdf

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

DRAFT KB-XXXX Users unable to access applications and objects with "A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout." error

Jordan Horwat — Tue, 13 Nov 2018 12:10:36 GMT

Revision 4 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 12:10:36 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

Asdf

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

DRAFT KB-XXXX Users unable to access applications and objects with "Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout." error

Jordan Horwat — Tue, 13 Nov 2018 12:09:49 GMT

Revision 3 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 12:09:49 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

Cause

Asdf

Action

Restart the application server.

Affected Versions

This article applies to all versions of Appian.

Last Reviewed: November 2018

DRAFT KB-XXXX

Jordan Horwat — Tue, 13 Nov 2018 12:06:41 GMT

Revision 2 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 12:06:41 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design:

The following error is observed in the application server log:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.

DRAFT KB-XXXX

Jordan Horwat — Tue, 13 Nov 2018 12:05:55 GMT

Revision 1 posted to Appian Knowledge Base by Jordan Horwat on 11/13/2018 12:05:55 PM

Symptoms

Users receive the following error when attempting to access an application or object in /design:

ERROR com.appiancorp.rest.shared.AppianExceptionMapper - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error : A side by side layout has an invalid item. The item at index 2 contains a component that is not supported in a side by side layout. Received: <X>.