Create a wrapper bundle[1] for you version of POI and use explicit import for the packages in your bundle.HTH.ThanksWasil[1] How to Wrap Bundles · bndtools/bndtools Wiki · GitHub

It happens due to lack of enough entropy. Follow this : SecureRandom.nextBytes hangs request threads in AEM ThanksWasil

Are you querying using javax.sql.DataSource ? You may use SQL related operations available on OOTB JDBC category. It appears to be issue with the script. Make sure you import the required classes. Share your sample script here if possible Thanks,Wasil

It's generated/injected via filter, part of platform code, no direct API exposed(wait for other replies) but making a HTTP GET on '/libs/granite/csrf/token.json' should return JSON response having the token.Thanks,Wasil

Boot delegate RSA and BouncyCastle libraries : https://helpx.adobe.com/experience-manager/6-5/forms/using/installing-configuring-aem-forms-osgi.html  Make sure no space in path : https://forums.adobe.com/thread/2347041Cheers,Wasil

Boot delegate RSA and BouncyCastle libraries : Installing and configuring AEM 6.3 forms Thanks,Wasil

Seems cache issue then :  Clear your web browser's cache, cookies, and history Thanks,Wasil

Try recompilation[1] and use Incognito.ThanksWasil[1] How to force a recompilation of all Sling scripts jsps, java, and sightly in AEM 6.4 

Http://<host>:<port>/system/console/productinfoThanksWasil

There have been couple of improvements included in AEM 6.3 with regards to ModelAdapterFactory(6.3.2.1)[2], so please try on latest AEM 6.3 SP + CFP, taking into account the latest Apache Sling Models Implementation[1]Thanks,Wasil[1] Maven Repository: org.apache.sling » org.apache.sling.models.impl ...