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Added in API level 1

IllegalStateException

open class IllegalStateException : RuntimeException
kotlin.Any
kotlin.Throwable
java.lang.Exception
java.lang.RuntimeException
java.lang.IllegalStateException

Signals that a method has been invoked at an illegal or inappropriate time. In other words, the Java environment or Java application is not in an appropriate state for the requested operation.

Summary

Public constructors

Constructs an IllegalStateException with no detail message.

Constructs an IllegalStateException with the specified detail message.

IllegalStateException(message: String!, cause: Throwable!)

Constructs a new exception with the specified detail message and cause.

Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause).

Public constructors

IllegalStateException

Added in API level 1
IllegalStateException()

Constructs an IllegalStateException with no detail message. A detail message is a String that describes this particular exception.

IllegalStateException

Added in API level 1
IllegalStateException(s: String!)

Constructs an IllegalStateException with the specified detail message. A detail message is a String that describes this particular exception.

Parameters
s String!: the String that contains a detailed message

IllegalStateException

Added in API level 1
IllegalStateException(
    message: String!,
    cause: Throwable!)

Constructs a new exception with the specified detail message and cause.

Note that the detail message associated with cause is not automatically incorporated in this exception's detail message.

Parameters
message String!: the detail message (which is saved for later retrieval by the Throwable.getMessage() method).
cause Throwable!: the cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)

IllegalStateException

Added in API level 1
IllegalStateException(cause: Throwable!)

Constructs a new exception with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause). This constructor is useful for exceptions that are little more than wrappers for other throwables (for example, java.security.PrivilegedActionException).

Parameters
cause Throwable!: the cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)

Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2026-02-13 UTC.

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