Bugzilla – Full Text Bug Listing
| Summary: | Wrong warning "The field class.field is never read locally" for finalizer guardian | ||
|---|---|---|---|
| Product: | [Eclipse Project] JDT | Reporter: | Robert Wenner <robert.wenner> |
| Component: | Core | Assignee: | JDT-Core-Inbox <jdt-core-inbox> |
| Status: | RESOLVED INVALID | QA Contact: | |
| Severity: | normal | ||
| Priority: | P3 | ||
| Version: | 3.3 | ||
| Target Milestone: | 3.3 RC4 | ||
| Hardware: | PC | ||
| OS: | All | ||
| Whiteboard: | |||
Indeed in this code sample, field 'finalizerGuardian' is written, but it is never read. The warning looks correct to me. |
Build ID: 3.2.1 Steps To Reproduce: public class Foo { public void cleanup() { // ... } private final Object finalizerGuardian = new Object() { protected void finalize() { cleanup(); } }; } More information: This is a finalizer guardian as described in Bloch's Effective Java (item 6). There should not be a warning for this, and one cannot remove the field without any side effect as the quick fix states.