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Synchronization on a 'Lock' object

Reports synchronized blocks that lock on an instance of java.util.concurrent.locks.Lock. Such synchronization is almost certainly unintended, and appropriate versions of .lock() and .unlock() should be used instead.


final ReentrantLock lock = new ReentrantLock(); public void foo() { synchronized (lock) {} }

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 | Threading issues


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