Uwe Schindler created SOLR-4275:
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Summary: TrieTokenizer causes StringIOOBE when input is empty
instead of returning no token
Key: SOLR-4275
URL: https://issues.apache.org/jira/browse/SOLR-4275
Project: Solr
Issue Type: Bug
Affects Versions: 4.0
Reporter: Uwe Schindler
Assignee: Uwe Schindler
Fix For: 4.1, 5.0
When you use the admin interface and select a trie field (e.g. tint) and enter
nothing into the field, the tokenizer should normally return no tokens.
TrieTokenizer instead gets and SIOOBE because read() into the charbuffer
returns -1 (end of stream). This is used to initialize the string's length...
The fix is to modify the tokenizer to behave like a real tokenizer:
- after reading the input, check if empty (read < 0) and then use 0 as length
- if the resulting string is empty (total len == 0), set a boolean to false and
make the incrementToken/end methods not delegate and return false.
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