Problems that occur when using --library okhttp4-gson configuration，version:3.0.50

[bai-xuan]

The version I'm using is:3.0.50

Set debug mode, httpClient should not add Interceptor through httpClient.interceptors().add()

Because httpClient.interceptors() returns views that cannot be modified. The specific situation is as follows:

. My solution is:

[HugoMario]

Thanks @bai-xuan for filing this issue. I have a doubt about your solution. Wouldn't that code replace any interceptor added previously?

[bai-xuan]

Thanks @bai-xuan for filing this issue. I have a doubt about your solution. Wouldn't that code replace any interceptor added previously?

An immutable list will definitely not take effect, and he even reported an error

[bai-xuan]

Thanks @bai-xuan for filing this issue. I have a doubt about your solution. Wouldn't that code replace any interceptor added previously?

The code where the problem occurs:
httpClient.interceptors().add(loggingInterceptor);

interceptors()
The implementation is:
@get:JvmName("interceptors") val interceptors: List =
builder.interceptors.toImmutableList()

toImmutableList()
The implementation is:

/** Returns an immutable copy of this. */
fun List.toImmutableList(): List {
return Collections.unmodifiableList(toMutableList())
}

[bai-xuan]

It has been explained in detail in unmodifiableList:

[bai-xuan]

Let me add one more thing,
in okhttp-2.7.5
The implementation of interceptors is like this:

What I'm talking about is using --library okhttp4-gson
His okhttp version is 4.10.0:

This is the implementation in version 4.10.0:

Specific code:
https://github.com/square/okhttp/blob/6b07f6227416506a44bb97012551929cd6a1dd79/okhttp/src/main/kotlin/okhttp3/OkHttpClient.kt#L134