'serialVersionUID' field not declared 'private static final long'

Last modified: 03 December 2024

Reports Serializable classes whose serialVersionUID field is not declared private static final long.

Example:

class SampleClass implements Serializable {
  private long serialVersionUID = 1; // field of a Serializable class is not declared 'private static final long'

  public SampleClass() {
      System.out.println(serialVersionUID);
  }
}

Locating this inspection

By ID

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

SerialVersionUIDWithWrongSignature
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 | Serialization issues

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,

Can be installed with plugin:

Java, 243.23126