# Uses of Class
java.lang.IllegalStateException

Packages that use IllegalStateException
Package
Description
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
jdk.jfr
This package provides classes to create events and control Flight Recorder.
jdk.jshell
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
jdk.management.jfr
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).

## Uses of IllegalStateException in com.sun.nio.sctp

Subclasses of IllegalStateException in com.sun.nio.sctp
Modifier and Type
Class
Description
`class`
`IllegalReceiveException`
Unchecked exception thrown when an attempt is made to invoke the `receive` method of `SctpChannel` or `SctpMultiChannel` from a notification handler.
`class`
`IllegalUnbindException`
Unchecked exception thrown when an attempt is made to remove an address that is not bound to the channel, or remove an address from a channel that has only one address bound to it.

## Uses of IllegalStateException in java.awt

Subclasses of IllegalStateException in java.awt
Modifier and Type
Class
Description
`class`
`IllegalComponentStateException`
Signals that an AWT component is not in an appropriate state for the requested operation.
Methods in java.awt that throw IllegalStateException
Modifier and Type
Method
Description
`void`
SplashScreen.`close()`
Hides the splash screen, closes the window, and releases all associated resources.
`Graphics2D`
SplashScreen.`createGraphics()`
Creates a graphics context (as a `Graphics2D` object) for the splash screen overlay image, which allows you to draw over the splash screen.
`Rectangle`
SplashScreen.`getBounds()`
Returns the bounds of the splash screen window as a `Rectangle`.
`URL`
SplashScreen.`getImageURL()`
Returns the current splash screen image.
`Dimension`
SplashScreen.`getSize()`
Returns the size of the splash screen window as a `Dimension`.
`void`
SplashScreen.`setImageURL(URL imageURL)`
Changes the splash screen image.
`void`
SplashScreen.`update()`
Updates the splash window with current contents of the overlay image.

## Uses of IllegalStateException in java.awt.dnd

Subclasses of IllegalStateException in java.awt.dnd
Modifier and Type
Class
Description
`class`
`InvalidDnDOperationException`
This exception is thrown by various methods in the java.awt.dnd package.

## Uses of IllegalStateException in java.nio

Subclasses of IllegalStateException in java.nio
Modifier and Type
Class
Description
`class`
`InvalidMarkException`
Unchecked exception thrown when an attempt is made to reset a buffer when its mark is not defined.

## Uses of IllegalStateException in java.nio.channels

Subclasses of IllegalStateException in java.nio.channels
Modifier and Type
Class
Description
`class`
`AcceptPendingException`
Unchecked exception thrown when an attempt is made to initiate an accept operation on a channel and a previous accept operation has not completed.
`class`
`AlreadyBoundException`
Unchecked exception thrown when an attempt is made to bind the socket a network oriented channel that is already bound.
`class`
`AlreadyConnectedException`
Unchecked exception thrown when an attempt is made to connect a `SocketChannel` that is already connected.
`class`
`CancelledKeyException`
Unchecked exception thrown when an attempt is made to use a selection key that is no longer valid.
`class`
`ClosedSelectorException`
Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a closed selector.
`class`
`ConnectionPendingException`
Unchecked exception thrown when an attempt is made to connect a `SocketChannel` for which a non-blocking connection operation is already in progress.
`class`
`IllegalBlockingModeException`
Unchecked exception thrown when a blocking-mode-specific operation is invoked upon a channel in the incorrect blocking mode.
`class`
`NoConnectionPendingException`
Unchecked exception thrown when the `finishConnect` method of a `SocketChannel` is invoked without first successfully invoking its `connect` method.
`class`
`NonReadableChannelException`
Unchecked exception thrown when an attempt is made to read from a channel that was not originally opened for reading.
`class`
`NonWritableChannelException`
Unchecked exception thrown when an attempt is made to write to a channel that was not originally opened for writing.
`class`
`NotYetBoundException`
Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a server socket channel that is not yet bound.
`class`
`NotYetConnectedException`
Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a socket channel that is not yet connected.
`class`
`OverlappingFileLockException`
Unchecked exception thrown when an attempt is made to acquire a lock on a region of a file that overlaps a region already locked by the same Java virtual machine, or when another thread is already waiting to lock an overlapping region of the same file.
`class`
`ReadPendingException`
Unchecked exception thrown when an attempt is made to read from an asynchronous socket channel and a previous read has not completed.
`class`
`ShutdownChannelGroupException`
Unchecked exception thrown when an attempt is made to construct a channel in a group that is shutdown or the completion handler for an I/O operation cannot be invoked because the channel group has terminated.
`class`
`WritePendingException`
Unchecked exception thrown when an attempt is made to write to an asynchronous socket channel and a previous write has not completed.

## Uses of IllegalStateException in java.nio.file

Subclasses of IllegalStateException in java.nio.file
Modifier and Type
Class
Description
`class`
`ClosedDirectoryStreamException`
Unchecked exception thrown when an attempt is made to invoke an operation on a directory stream that is closed.
`class`
`ClosedFileSystemException`
Unchecked exception thrown when an attempt is made to invoke an operation on a file and the file system is closed.
`class`
`ClosedWatchServiceException`
Unchecked exception thrown when an attempt is made to invoke an operation on a watch service that is closed.

## Uses of IllegalStateException in java.util

Subclasses of IllegalStateException in java.util
Modifier and Type
Class
Description
`class`
`FormatterClosedException`
Unchecked exception thrown when the formatter has been closed.

## Uses of IllegalStateException in java.util.concurrent

Subclasses of IllegalStateException in java.util.concurrent
Modifier and Type
Class
Description
`class`
`CancellationException`
Exception indicating that the result of a value-producing task, such as a `FutureTask`, cannot be retrieved because the task was cancelled.

## Uses of IllegalStateException in javax.crypto

Methods in javax.crypto that throw IllegalStateException
Modifier and Type
Method
Description
`final byte[]`
Mac.`doFinal()`
Finishes the MAC operation.
`final byte[]`
Mac.`doFinal(byte[] input)`
Processes the given array of bytes and finishes the MAC operation.
`final void`
Mac.`doFinal(byte[] output, int outOffset)`
Finishes the MAC operation.
`final Key`
KeyAgreement.`doPhase(Key key, boolean lastPhase)`
Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
`protected abstract Key`
KeyAgreementSpi.`engineDoPhase(Key key, boolean lastPhase)`
Executes the next phase of this key agreement with the given key that was received from one of the other parties involved in this key agreement.
`protected abstract byte[]`
KeyAgreementSpi.`engineGenerateSecret()`
Generates the shared secret and returns it in a new buffer.
`protected abstract int`
KeyAgreementSpi.`engineGenerateSecret(byte[] sharedSecret, int offset)`
Generates the shared secret, and places it into the buffer `sharedSecret`, beginning at `offset` inclusive.
`protected abstract SecretKey`
KeyAgreementSpi.`engineGenerateSecret(String algorithm)`
Creates the shared secret and returns it as a secret key object of the requested algorithm type.
`final byte[]`
KeyAgreement.`generateSecret()`
Generates the shared secret and returns it in a new buffer.
`final int`
KeyAgreement.`generateSecret(byte[] sharedSecret, int offset)`
Generates the shared secret, and places it into the buffer `sharedSecret`, beginning at `offset` inclusive.
`final SecretKey`
KeyAgreement.`generateSecret(String algorithm)`
Creates the shared secret and returns it as a `SecretKey` object of the specified algorithm.
`final byte[]`
ExemptionMechanism.`genExemptionBlob()`
Generates the exemption mechanism key blob.
`final int`
ExemptionMechanism.`genExemptionBlob(byte[] output)`
Generates the exemption mechanism key blob, and stores the result in the `output` buffer.
`final int`
ExemptionMechanism.`genExemptionBlob(byte[] output, int outputOffset)`
Generates the exemption mechanism key blob, and stores the result in the `output` buffer, starting at `outputOffset` inclusive.
`final int`
ExemptionMechanism.`getOutputSize(int inputLen)`
Returns the length in bytes that an output buffer would need to be in order to hold the result of the next `genExemptionBlob` operation, given the input length `inputLen` (in bytes).
`final void`
Mac.`update(byte input)`
Processes the given byte.
`final void`
Mac.`update(byte[] input)`
Processes the given array of bytes.
`final void`
Mac.`update(byte[] input, int offset, int len)`
Processes the first `len` bytes in `input`, starting at `offset` inclusive.

## Uses of IllegalStateException in javax.swing

Methods in javax.swing that throw IllegalStateException
Modifier and Type
Method
Description
`void`
TransferHandler.`exportToClipboard(JComponent comp, Clipboard clip, int action)`
Causes a transfer from the given component to the given clipboard.

## Uses of IllegalStateException in jdk.jfr

Methods in jdk.jfr that throw IllegalStateException
Modifier and Type
Method
Description
`static FlightRecorder`
FlightRecorder.`getFlightRecorder()`
Returns the Flight Recorder for the platform.

## Uses of IllegalStateException in jdk.jshell

Methods in jdk.jshell that throw IllegalStateException
Modifier and Type
Method
Description
`JShell`
JShell.Builder.`build()`
Builds a JShell state engine.
`static JShell`
JShell.`create()`
Create a new JShell state engine.
`List<SnippetEvent>`
JShell.`drop(Snippet snippet)`
Remove a declaration from the state.
`List<SnippetEvent>`
JShell.`eval(String input)`
Evaluate the input String, including definition and/or execution, if applicable.
`JShell.Subscription`
JShell.`onShutdown(Consumer<JShell> listener)`
Register a callback to be called when this JShell instance terminates.
`JShell.Subscription`
JShell.`onSnippetEvent(Consumer<SnippetEvent> listener)`
Register a callback to be called when the Status of a snippet changes.
`String`
JShell.`varValue(VarSnippet snippet)`
Get the current value of a variable.

## Uses of IllegalStateException in jdk.management.jfr

Methods in jdk.management.jfr that throw IllegalStateException
Modifier and Type
Method
Description
`long`
FlightRecorderMXBean.`newRecording()`
Creates a recording, but doesn't start it.
`void`
FlightRecorderMXBean.`startRecording(long recordingId)`
Starts the recording with the specified ID.
`boolean`
FlightRecorderMXBean.`stopRecording(long recordingId)`
Stops the running recording with the specified ID.