UnknownHostException() — netty Function Reference

Architecture documentation for the UnknownHostException() function in DnsNameResolver.java from the netty codebase.

Function java NativeResolver JavaResolver

Entity Profile

NativeResolver→ JavaResolver→ UnknownHostException() — netty Function Reference

Dependency Diagram

graph TD
  b01cb2d7_95b4_f276_fda8_199643e47db2["UnknownHostException()"]
  a8faea52_3f45_7b36_4918_3dfb9bd6ee9b["DnsNameResolver"]
  b01cb2d7_95b4_f276_fda8_199643e47db2 -->|defined in| a8faea52_3f45_7b36_4918_3dfb9bd6ee9b
  style b01cb2d7_95b4_f276_fda8_199643e47db2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

resolver-dns/src/main/java/io/netty/resolver/dns/DnsNameResolver.java lines 934–947

    private static UnknownHostException toException(
            ChannelFuture f, String hostname, DnsQuestion question, DnsRecord[] additionals) {
        UnknownHostException e = new UnknownHostException(
                "Failed to resolve '" + hostname + "', couldn't setup transport: " + f.channel());
        e.initCause(f.cause());

        if (question != null) {
            ReferenceCountUtil.release(question);
        }
        for (DnsRecord record : additionals) {
            ReferenceCountUtil.release(record);
        }
        return e;
    }