An incomplete fix for the NPE bugs in Directory.java
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Key: LUCENE-3782
URL: https://issues.apache.org/jira/browse/LUCENE-3782
Project: Lucene - Java
Issue Type: Bug
Components: core/store
Affects Versions: 3.0
Reporter: Guangtai Liang
Priority: Critical
The fix revision 499089 was aimed to remove an NPE bug (LUCENE-773) on the
value of "lockFactory " in the method "clearLock" of the file
"/lucene/java/trunk/src/java/org/apache/lucene/store/Directory.java" , but it
is incomplete.
Since the value "lockFactory " could be null during the runtime execution, its
value should also be null-checked before being dereferenced in other methods.
The buggy code locations the same fix needs to be applied at are as bellows:
Line 106 of the methods "doc()" , and "freq":
public Lock makeLock(String name) {
[Line 106] return lockFactory.makeLock(name);
}
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