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Socket opened but not safely closed

Reports socket resources that are not safely closed. Socket resources reported by this inspection include,, and

By default, the inspection assumes that the resources can be closed by any method with 'close' or 'cleanup' in its name.


byte[] getMessage(ServerSocket socket) throws IOException { Socket client = socket.accept(); //socket is not closed return client.getInputStream().readAllBytes(); }

Use the following options to configure the inspection:

  • Whether a socket is allowed to be opened inside a try block. This style is less desirable because it is more verbose than opening a resource in front of a try block.

  • Whether the resource can be closed by any method call with the resource passed as argument.

Inspection options

Here you can find the description of settings available for the Socket opened but not safely closed inspection, and the reference of their default values.

Allow resource to be opened inside a 'try' block

Not selected

Any method may close resource argument

Default: Selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024