John Doe created LUCENE-8294:
--------------------------------
Summary: KeywordTokenizer hangs with user misconfigured inputs
Key: LUCENE-8294
URL: https://issues.apache.org/jira/browse/LUCENE-8294
Project: Lucene - Core
Issue Type: Bug
Affects Versions: 2.1
Reporter: John Doe
When a user configures the bufferSize to be 0, the while loop in
KeywordTokenizer.next() function hangs endlessly. Here is the code snippet.
{code:java}
public KeywordTokenizer(Reader input, int bufferSize) {
super(input);
this.buffer = new char[bufferSize];//bufferSize is misconfigured with 0
this.done = false;
}
public Token next() throws IOException {
if (!done) {
done = true;
StringBuffer buffer = new StringBuffer();
int length;
while (true) {
length = input.read(this.buffer); //length is always 0 when the
buffer.size == 0
if (length == -1) break;
buffer.append(this.buffer, 0, length);
}
String text = buffer.toString();
return new Token(text, 0, text.length());
}
return null;
}
{code}
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