RFR: 8377486: com.sun.jndi.ldap.sasl.SaslOutputStream.write() throws NullPointerException if it is already closed

[Daniel Fuchs]

On Tue, 10 Feb 2026 10:05:31 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of this change which proposes to prevent the `NullPointerException` thrown from `com.sun.jndi.ldap.sasl.SaslOutputStream.write()` methods when the stream is already closed? This addresses https://bugs.openjdk.org/browse/JDK-8377486.
> 
> As noted in that issue, `OutputStream.write(...)` is specified to throw an `IOException` in such cases. The change in this PR updates the `SaslOutputStream.write()` methods to throw an `IOException` when closed.
> 
> A new test has been introduced to verify this change.

Marked as reviewed by dfuchs (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29647#pullrequestreview-3815656501