Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Atlassian JIRA by Amalia Sanusi [Atlassian], 1 year ago
Upgrade task com.atlassian.confluence.upgrade.upgradetask.ReferencedUsersUserMappingUpgradeTask@6be9ac06 failed during the SCHEMA_UPGRADE phase due to: Unable to complete user mapping creation.
via Atlassian JIRA by Sergei ZH, 1 year ago
Upgrade task com.atlassian.confluence.upgrade.upgradetask.attachmentceo.AttachmentToCeoConversionUpgradeTask@5e822356 failed during the SCHEMA_UPGRADE phase due to: PreparedStatementCallback; SQL [insert into ATTACHMENTS(ATTACHMENTID, TITLE
via Atlassian JIRA by Sergei ZH, 2 years ago
Upgrade task com.atlassian.confluence.upgrade.upgradetask.attachmentceo.AttachmentToCeoConversionUpgradeTask@5e822356 failed during the SCHEMA_UPGRADE phase due to: PreparedStatementCallback; SQL [insert into ATTACHMENTS(ATTACHMENTID, TITLE
via Atlassian JIRA by Jing Hwa [Atlassian], 1 year ago
Upgrade task com.atlassian.confluence.upgrade.upgradetask.DropSpaceGroupTablesUpgradeTask@27091f57 failed during the SCHEMA_UPGRADE phase due to: null
com.atlassian.confluence.upgrade.UpgradeException: Upgrade task com.atlassian.confluence.upgrade.upgradetask.ReferencedUsersUserMappingUpgradeTask@6be9ac06 failed during the SCHEMA_UPGRADE phase due to: Unable to complete user mapping creation. at com.atlassian.confluence.upgrade.AbstractUpgradeManager.executeUpgradeStep(AbstractUpgradeManager.java:278) at com.atlassian.confluence.upgrade.AbstractUpgradeManager.runSchemaUpgradeTasks(AbstractUpgradeManager.java:203)