Hello,
We recently upgraded our Windows Server from 2016 to 2022. The Appian version remained the same at 24.1, and the Appian home directory is still at D:\Appian. We did not make any changes within Appian itself. The database server, MS SQL Server, was also upgraded from 2016 to 2022.
After the server upgrade, the Appian engines and Tomcat application server started successfully. However, images are not loading on the sites. When I checked the logs, I found the following error related to this issue.I did the Test connection for DB in Admin console and it was successful.Any suggestion to resolve this issue?
Thanks,Venu.
2025-09-11 01:26:47,429 [http-nio-80-exec-2] ERROR com.appiancorp.rest.shared.FallbackExceptionMapper - Internal Server Error on REST API invocation.java.io.IOException: unknown PGP public key algorithm encountered: -86 at org.bouncycastle.bcpg.PublicKeyPacket.<init>(Unknown Source) at org.bouncycastle.bcpg.PublicSubkeyPacket.<init>(Unknown Source) at org.bouncycastle.bcpg.SecretKeyPacket.<init>(Unknown Source) at org.bouncycastle.bcpg.SecretSubkeyPacket.<init>(Unknown Source) at org.bouncycastle.bcpg.BCPGInputStream.readPacket(Unknown Source) at org.bouncycastle.openpgp.PGPObjectFactory.nextObject(Unknown Source) at com.appiancorp.common.crypto.ByteEatingCryptographer.decrypt(ByteEatingCryptographer.java:101) at com.appiancorp.common.crypto.RetryPGPCryptographer.decrypt(RetryPGPCryptographer.java:131) at com.appiancorp.common.crypto.RetryPGPCryptographer.decrypt(RetryPGPCryptographer.java:54) at com.appiancorp.record.ui.OpaqueUrlBuilderImpl.makeUrlTransparent(OpaqueUrlBuilderImpl.java:85) at com.appiancorp.record.ui.OpaqueUrlBuilderImpl.makeContentUrlTransparent(OpaqueUrlBuilderImpl.java:97) at sun.reflect.GeneratedMethodAccessor1668.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498)
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