# Hierarchy For Package org.apache.http.impl.execchain

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.http.impl.execchain.BackoffStrategyExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.MainClientExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.MinimalClientExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.ProtocolExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.RedirectExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.RetryExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - org.apache.http.impl.execchain.ServiceUnavailableRetryExec (implements org.apache.http.impl.execchain.ClientExecChain)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.异常
      - org.apache.http.HttpException
        - org.apache.http.impl.execchain.TunnelRefusedException
      - java.io.IOException
        - java.io.InterruptedIOException
          - org.apache.http.impl.execchain.RequestAbortedException

## Interface Hierarchy

- org.apache.http.impl.execchain.ClientExecChain

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