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Getting below error when trying to upgrade the confluence.

[atlassian.confluence.util.AbstractBootstrapHotSwappingFilter] doFilter Could not get swap target filter---------------------at the catlina.out file on the confluence installation path

1 answer

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Answer accepted

Hi @Akshay Bhagwat ,

first of all please check the confluence home has been correctly setup.

Please let us know,


Hi Fabio,


Thanks for your reply this works for me. but now getting another error.

BootstrapException: Unable to bootstrap application: The database driver (oracle.jdbc.OracleDriver) was not found in the class path.<br/>This Confluence installation cannot be upgraded automatically.

Could you please suggest here?




Hi @Akshay Bhagwat ,

you need to put Oracle driver, based on your Oracle version, in the confluence installation folder/confluence/WEB-INF/lib and start again Confluence

Like Akshay Bhagwat likes this

Hi Fabio,

This resolved my issue thanks a lot for your quick response.




Hi @Akshay Bhagwat ,

I'm happy for that. Please mark my answer as accepted ;)

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