com.thinkaurelius.titan.diskstorage

## Class BackendException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - com.thinkaurelius.titan.diskstorage.BackendException

- All Implemented Interfaces:
    Serializable
  Direct Known Subclasses:
    PermanentBackendException, TemporaryBackendException

      public abstract class BackendException
      extends Exception

  Exception thrown in the storage layer of the graph database.

  Such exceptions are typically caused by the underlying storage engine and re-thrown as `BackendException`.
  Author:
    Matthias Bröcheler (me@matthiasb.com);
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `BackendException(String msg)`
    `BackendException(String msg, Throwable cause)`
    `BackendException(Throwable cause)` Constructs an exception with a generic message

  - ### 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

    - #### BackendException

          public BackendException(String msg)

      Parameters:
        `msg` - Exception message

    - #### BackendException

          public BackendException(String msg,
                          Throwable cause)

      Parameters:
        `msg` - Exception message
        `cause` - Cause of the exception

    - #### BackendException

          public BackendException(Throwable cause)

      Constructs an exception with a generic message
      Parameters:
        `cause` - Cause of the exception

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