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'ScheduledThreadPoolExecutor' with zero core threads

Reports any java.util.concurrent.ScheduledThreadPoolExecutor instances in which corePoolSize is set to zero via the setCorePoolSize method or the object constructor.

A ScheduledThreadPoolExecutor with zero core threads will run nothing.


void foo(int corePoolSize) { if (corePoolSize != 0) return; ThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(corePoolSize); // warning executor.setCorePoolSize(corePoolSize); // warning }

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Java | Probable bugs


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Java, 241.18072

Last modified: 18 June 2024