Another incomplete fix for the NPE bugs in ParallelReader.java
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Key: LUCENE-3781
URL: https://issues.apache.org/jira/browse/LUCENE-3781
Project: Lucene - Java
Issue Type: Bug
Components: core/index
Affects Versions: 3.0
Reporter: Guangtai Liang
The fix revision 407851 was aimed to remove an NPE bug on the value of
"termDocs" in the methods "next", "read", "skipTo", "close" of the file
"/lucene/java/trunk/src/java/org/apache/lucene/index/ParallelReader.java
" , but it is incomplete.
Since the value "termDocs" 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 574, 575 of the methods "doc()" , and "freq":
public int doc() { return termDocs.doc(); }
public int freq() { return termDocs.freq(); }
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