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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

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.

Report a bug or suggest an enhancement
For further API reference and developer documentation see the Java SE Documentation, which contains more detailed, developer-targeted descriptions with conceptual overviews, definitions of terms, workarounds, and working code examples. Other versions.
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© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/lang/reflect/MalformedParametersException.html

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