DuplicateSubscribeException

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - io.servicetalk.concurrent.internal.RejectedSubscribeException
      - io.servicetalk.concurrent.internal.DuplicateSubscribeException

All Implemented Interfaces:

RejectedSubscribeError, java.io.Serializable
```
public final class DuplicateSubscribeException
extends RejectedSubscribeException
```
Used in scenarios where a subscribe to an asynchronous source is subscribed to, but there is already a subscriber and the source doesn't support multiple subscribers.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`DuplicateSubscribeException(java.lang.Object existingSubscriber, java.lang.Object attemptedSubscriber)`	Create a new instance.
`DuplicateSubscribeException(java.lang.Object existingSubscriber, java.lang.Object attemptedSubscriber, java.lang.String message)`	Create a new instance.

Method Summary
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - DuplicateSubscribeException
```
public DuplicateSubscribeException(@Nullable
                                   java.lang.Object existingSubscriber,
                                   java.lang.Object attemptedSubscriber)
```
    Create a new instance.
    
    Parameters:
    
    existingSubscriber - The existing subscriber, or state that prevented the subscribe from completing.
    
    attemptedSubscriber - The subscriber which failed to subscribe.
  - DuplicateSubscribeException
```
public DuplicateSubscribeException(@Nullable
                                   java.lang.Object existingSubscriber,
                                   java.lang.Object attemptedSubscriber,
                                   java.lang.String message)
```
    Create a new instance.
    
    Parameters:
    
    existingSubscriber - The existing subscriber, or state that prevented the subscribe from completing.
    
    attemptedSubscriber - The subscriber which failed to subscribe.
    
    message - An optional message clarifying the situation.