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Static member guarded by instance field or this

Reports @GuardedBy annotations on static fields or methods in which the guard is either a non-static field or this.

Guarding a static element with a non-static element may result in excessive concurrency, multiple threads may be able to access the guarded field simultaneously by locking in different object contexts.


private ReadWriteLock lock = new ReentrantReadWriteLock(); @GuardedBy("lock") public static void bar() { // ... }

Supported @GuardedBy annotations are:

  • net.jcip.annotations.GuardedBy

  • javax.annotation.concurrent.GuardedBy

  • org.apache.http.annotation.GuardedBy


  • androidx.annotation.GuardedBy


Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for JVM 2023.3


Java, 233.SNAPSHOT

Last modified: 13 July 2023