Spring Security OnCommittedResponseWrapper.java，Can you add null protection here

Expected Behavior

**spring-security-main\web\src\main\java\org\springframework\security\web\util\OnCommittedResponseWrapper.java，public PrintWriter append(CharSequence csq)，if csq is null。then throw nullpointerException。Can you add null protection here **

Context

Comment From: sjohnr

Hi @li-yongji, thanks for reaching out.

Can you add null protection here

Can you add more details about the issue you're having?

Comment From: spring-projects-issues

If you would like us to look at this issue, please provide the requested information. If the information is not provided within the next 7 days this issue will be closed.

Comment From: li-yongji

The business configures the security response header for the interface. If the interface returns null, the security response header filter will throw an exception。

Comment From: sjohnr

Hi @li-yongji.

The business configures the security response header for the interface.

Apologies, but I'm not able to determine your use case from the information provided. Please provide a minimal sample that demonstrates the issue. I'm going to close this request, but feel free to provide a sample and we can re-open to investigate further.