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[zhiyong liu]

2021-07-02 10:37:00,291 ERROR [http-nio-8090-exec-10] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,292 ERROR [http-nio-8090-exec-1] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,293 ERROR [http-nio-8090-exec-13] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,296 ERROR [http-nio-8090-exec-5] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,296 ERROR [http-nio-8090-exec-11] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,309 ERROR [http-nio-8090-exec-9] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,312 ERROR [http-nio-8090-exec-3] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,313 ERROR [http-nio-8090-exec-4] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,315 ERROR [http-nio-8090-exec-7] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,323 ERROR [http-nio-8090-exec-12] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,325 ERROR [http-nio-8090-exec-2] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,328 ERROR [http-nio-8090-exec-8] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,333 ERROR [http-nio-8090-exec-10] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,335 ERROR [http-nio-8090-exec-6] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,336 ERROR [http-nio-8090-exec-1] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,343 ERROR [http-nio-8090-exec-13] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,345 ERROR [http-nio-8090-exec-5] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,346 ERROR [http-nio-8090-exec-11] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,352 ERROR [http-nio-8090-exec-9] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,386 ERROR [http-nio-8090-exec-4] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,390 ERROR [http-nio-8090-exec-12] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,391 ERROR [http-nio-8090-exec-7] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException

2021-07-02 10:37:00,291 ERROR [http-nio-8090-exec-10] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,292 ERROR [http-nio-8090-exec-1] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,293 ERROR [http-nio-8090-exec-13] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,296 ERROR [http-nio-8090-exec-5] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,296 ERROR [http-nio-8090-exec-11] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,309 ERROR [http-nio-8090-exec-9] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,312 ERROR [http-nio-8090-exec-3] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,313 ERROR [http-nio-8090-exec-4] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,315 ERROR [http-nio-8090-exec-7] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,323 ERROR [http-nio-8090-exec-12] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,325 ERROR [http-nio-8090-exec-2] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,328 ERROR [http-nio-8090-exec-8] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,333 ERROR [http-nio-8090-exec-10] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,335 ERROR [http-nio-8090-exec-6] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,336 ERROR [http-nio-8090-exec-1] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,343 ERROR [http-nio-8090-exec-13] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,345 ERROR [http-nio-8090-exec-5] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,346 ERROR [http-nio-8090-exec-11] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,352 ERROR [http-nio-8090-exec-9] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,386 ERROR [http-nio-8090-exec-4] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,390 ERROR [http-nio-8090-exec-12] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException
2021-07-02 10:37:00,391 ERROR [http-nio-8090-exec-7] [[Standalone].[localhost].[/confluence].[noop]] log Servlet.service() for servlet [noop] in context with path [/confluence] threw exception
java.lang.NullPointerException

[Brant Schroeder]

@zhiyong liu 

Did you clean plugin cache ? https://confluence.atlassian.com/confkb/how-to-clear-confluence-plugins-cache-297664846.html