Cannot create or edit pages due to InvalidKeyException: algid parse error, not a sequence

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Platform Notice: Server and Data Center Only. This article only applies to Atlassian products on the server and data center platforms.


Users are unable to edit or create pages in Confluence due to the editor not loading. The following error appears in atlassian-confluence.log:

2016-12-23 22:58:14,323 ERROR [http-nio-8090-exec-4] [confluence.plugins.synchrony.SynchronyContextProvider] getContextMap IOException: algid parse error, not a sequence
 -- referer: http://localhost:8090/ | url: /pages/createpage.action | traceId: 71b142bb2f655934 | userName: admin | action: createpage
2016-12-23 22:58:16,152 ERROR [http-nio-8090-exec-7] [synchrony.api.v1.SynchronyTokenResource] generateToken IOException: algid parse error, not a sequence
 -- referer: http://localhost:8090/pages/createpage.action?spaceKey=AS | url: /rest/synchrony/1.0/token/2457601/generate | traceId: fa5996c9d76f2bd3 | userName: admin


The following property has been set to 'false' in confluence.cfg.xml:

<property name="synchrony.encryption.disabled">false</property>

The network tab in the browser console also shows "500 Internal Server Error" for the following request:

GET http://localhost:8090/rest/synchrony/1.0/token/54297694/generate


Edit confluence.cfg.xml and change the property back to 'true'.

<property name="synchrony.encryption.disabled">true</property>

Save the file and restart Confluence.

Last modified on Feb 18, 2022

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