KB-2177 Application server startup fails with "ClassCastException" exception

Parmida Borhani — Mon, 12 Apr 2021 06:26:40 GMT

Current Revision posted to Appian Knowledge Base by Parmida Borhani on 4/12/2021 6:26:40 AM

Symptoms

When installing Appian with MySQL version 8.0 / driver version 8.0.23, the application server fails to start with the following message observed in the application server log:

Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
	at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328)
	at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)

Cause

Appian does not support MySQL driver version 8.x.

Action

Update the database driver to the supported version and restart the application server.

Affected Versions

This article applies to Appian 19.1 and later.

Last Reviewed: April 2021

Tags: Tomcat, database, mysql, application server, infrastructure

DRAFT SP-6071 Tomcat startup fails with "ClassCastException" exception

Parmida Borhani — Mon, 12 Apr 2021 06:25:49 GMT

Revision 4 posted to Appian Knowledge Base by Parmida Borhani on 4/12/2021 6:25:49 AM

Symptoms

When installing Appian with MySQL version 8.0 / driver version 8.0.23, the application server fails to start with the following message observed in the application server log:

Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
	at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328)
	at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)

Cause

Appian does not support MySQL driver version 8.x.

Action

Update the database driver to the supported version and restart the application server.

Affected Versions

This article applies to Appian 19.1 and later.

Last Reviewed: April 2021

Tags: Tomcat, database, mysql, application server, infrastructure

DRAFT SP-6071 Tomcat startup fails with "ClassCastException" exception

Parmida Borhani — Tue, 06 Apr 2021 06:48:41 GMT

Revision 3 posted to Appian Knowledge Base by Parmida Borhani on 4/6/2021 6:48:41 AM

Symptoms

When installing Appian with MySQL version 8.0 / driver version 8.0.23, the application server fails to start with the following message observed in the application server log:

Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
	at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328)
	at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)

Cause

This is related to a bug introduced in the MySQL driver version 8.0.23. Appian does not support MySQL driver version 8.x.

Action

Update the database driver to the supported version and restart the application server.

Affected Versions

This article applies to Appian 19.1 and later.

Last Reviewed: April 2021

Tags: Tomcat, database, mysql, application server, infrastructure

DRAFT SP-6071 Tomcat startup fails with "ClassCastException" exception

Parmida Borhani — Tue, 06 Apr 2021 06:46:45 GMT

Revision 2 posted to Appian Knowledge Base by Parmida Borhani on 4/6/2021 6:46:45 AM

Symptoms

When installing Appian with MySQL 8.0 and the 8.0.23 driver version, the application server fails to start with the following message observed in the application server log:

Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
	at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328)
	at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)

Cause

This is related to a bug introduced in MySql driver version 8.0.23. Appian does not support MySql driver version 8.*.

Action

Update the database driver to the supported version and restart the application server.

Affected Versions

This article applies to Appian 19.1 and later.

Last Reviewed: April 2021

Tags: Tomcat, database, mysql, application server, infrastructure

DRAFT SP-6071 Tomcat startup fails with "ClassCastException" exception

Tejas Kargutkar — Fri, 02 Apr 2021 16:51:26 GMT

Revision 1 posted to Appian Knowledge Base by Tejas Kargutkar on 4/2/2021 4:51:26 PM

Symptoms

Tomcat fails to startup with the following message in the application server log when installing Appian with MySql 8 and MySql driver version 8.0.23:

Caused by: java.lang.ClassCastException: java.time.LocalDateTime cannot be cast to java.lang.String
	at liquibase.changelog.StandardChangeLogHistoryService.getRanChangeSets(StandardChangeLogHistoryService.java:328)
	at liquibase.changelog.AbstractChangeLogHistoryService.upgradeChecksums(AbstractChangeLogHistoryService.java:66)

Cause

This is related to a bug introduced in MySql driver version 8.0.23. Appian does not support MySql driver version 8.*.

Action

Update the database driver to the supported version and restart the application server.

Affected Versions

This article applies to Appian 19.1 and later.

Last Reviewed: May 2020

Tags: Tomcat, database, mysql, application server, infrastructure