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FailureWrapper Class — netty Architecture

Architecture documentation for the FailureWrapper class in JdkAlpnApplicationProtocolNegotiator.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  b5a8291f_d29f_a2d2_21cd_c96fbc1fdffd["FailureWrapper"]
  3ca15c7f_1a43_6ede_7980_b5d11c6a55d1["JdkAlpnApplicationProtocolNegotiator.java"]
  b5a8291f_d29f_a2d2_21cd_c96fbc1fdffd -->|defined in| 3ca15c7f_1a43_6ede_7980_b5d11c6a55d1
  c3706d17_0c25_2ac5_4023_9c86ecd08bed["SSLEngine()"]
  b5a8291f_d29f_a2d2_21cd_c96fbc1fdffd -->|method| c3706d17_0c25_2ac5_4023_9c86ecd08bed

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/ssl/JdkAlpnApplicationProtocolNegotiator.java lines 118–125

    private static final class FailureWrapper extends AllocatorAwareSslEngineWrapperFactory {
        @Override
        public SSLEngine wrapSslEngine(SSLEngine engine, ByteBufAllocator alloc,
                                       JdkApplicationProtocolNegotiator applicationNegotiator, boolean isServer) {
            throw new RuntimeException("ALPN unsupported. Does your JDK version support it?"
                    + " For Conscrypt, add the appropriate Conscrypt JAR to classpath and set the security provider.");
        }
    }

Defined In

Source

Frequently Asked Questions

What is the FailureWrapper class?
FailureWrapper is a class in the netty codebase, defined in handler/src/main/java/io/netty/handler/ssl/JdkAlpnApplicationProtocolNegotiator.java.
Where is FailureWrapper defined?
FailureWrapper is defined in handler/src/main/java/io/netty/handler/ssl/JdkAlpnApplicationProtocolNegotiator.java at line 118.

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