RFR: 8301367: Add exception handler method to the BaseLdapServer

[Aleksei Efimov]

On Tue, 31 Jan 2023 16:19:34 GMT, Aleksei Efimov <aefimov at openjdk.org> wrote:

> The proposed change adds a new exception handler method to the `test/jdk/com/sun/jndi/ldap/lib/BaseLdapServer.java` LDAP test library class. It will allow LDAP tests to customize the handling of server-side exceptions.   
> The current `BaseLdapTestServer` implementation prints an exception and its stack trace to the standard error stream.
> 
> Existing tests in `test/jdk/com/sun/jndi/ldap` that use the modified library class are passing with the modified version.

> Hello Aleksei, the change looks fine to me.
> 
> The new method name handleSocketException could be a bit confusing since it might indicate this is about handling java.net.SocketException. But I think, given that this is just a test library code and that the method has a comment explaining when it's called, I think it's OK.

> Like Jaikiran I don't like the name of the new method much - but anything I could come up with was not much better. 

Hi Jaikiran, Daniel, Vyom,
Thanks for your reviews. I can see how the method name can be confusing, but I will stick with `handleSocketException` given that it:  
 a) has a comment describing its use cases;  b) takes two parameters that give a clue on intended usage; c) has no better alternative; d) is a test library method and we can change it later if better alternative is found.

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PR: https://git.openjdk.org/jdk/pull/12347