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Re: [Handle-info] Error encoding public session key
This is caused by using an older version of the Handle.Net software together with a newer version of Java.
Options:
(1) Upgrade your Handle.Net software to v8 or v9 (possibly on both server and client);
(2) downgrade Java to v7 or an earlier version of v8 (again, possibly on both server and client); or
(3) change the java commands to use the system property "jdk.crypto.KeyAgreement.legacyKDF=true" (e.g. "java -Djdk.crypto.KeyAgreement.legacyKDF=true"), again possibly on both server and client.
We do not currently make available a handle service that can perform creations and runs as a servlet application in for example Tomcat. So it seems likely to me that your Tomcat proxy is acting as a client to a separate hdl-server process (possibly even on a separate machine). The hdl-server process could be upgraded to v8 or v9, but we would need to know the vendor of the Tomcat proxy service to know whether it has an upgraded version which supports the most recent Java; adding the system property to Tomcat configuration may be an easier solution in that case.
Robert
> On Sep 10, 2018, at 9:02 AM, Remi Malessa <rem@llgc.org.uk> wrote:
>
> Hi,
>
> It's first time I am posting here.
>
> According to a user, handles creation worked fine until recently, but it started to fail more and more often and it's not working anymore. I am getting this error:
>
> HandleException (SERVER_CANNOT_PROCESS_SESSION) Error(501): SESSION FAILED: Error encoding public session key
>
> Also, in the error log I found these entries :
>
> 50 Error initializing DH session: java.security.NoSuchAlgorithmException: Unsupported secret key algorithm: DES
>
> I wonder if something changed on the handle.net that it is no longer working, or is it on my side.
>
> I am not the person who installed handles server in the company, but I think we're using a Proxy handles server, running as a servlet on Tomcat.
>
> We are using version 7 of the software.
>
> Cheers
>
> Remi
>
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