# Class MalformedParametersException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
java.lang.reflect.MalformedParametersException

All Implemented Interfaces:
  `Serializable`

public class MalformedParametersException extends RuntimeException
Thrown when `the java.lang.reflect package` attempts to read method parameters from a class file and determines that one or more parameters are malformed.

The following is a list of conditions under which this exception can be thrown:

- The number of parameters (parameter_count) is wrong for the method
- A constant pool index is out of bounds.
- A constant pool index does not refer to a UTF-8 entry
- A parameter's name is "", or contains an illegal character
- The flags field contains an illegal flag (something other than FINAL, SYNTHETIC, or MANDATED)

See `Executable.getParameters()` for more information.

Since:
  1.8
See Also:
  - `Executable.getParameters()`
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `MalformedParametersException()`
  Create a `MalformedParametersException` with an empty reason.
  `MalformedParametersException(String reason)`
  Create a `MalformedParametersException`.

- ## Method Summary

  ### Methods declared in class Throwable

  `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

  ### Methods declared in class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- ## Constructor Details

  - ### MalformedParametersException

    public MalformedParametersException()
    Create a `MalformedParametersException` with an empty reason.

  - ### MalformedParametersException

    public MalformedParametersException(String reason)
    Create a `MalformedParametersException`.
    Parameters:
      `reason` - The reason for the exception.