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From "Toli Kuznets (JIRA)" <j...@apache.org>
Subject [jira] Created: (SANDBOX-331) CSVParser hangs (goes into infinite loop) on getLine() if it's a "comment" line that doesn't contain a delimiter
Date Mon, 10 Jan 2011 23:05:45 GMT
CSVParser hangs (goes into infinite loop) on getLine() if it's a "comment" line that doesn't
contain a delimiter
----------------------------------------------------------------------------------------------------------------

                 Key: SANDBOX-331
                 URL: https://issues.apache.org/jira/browse/SANDBOX-331
             Project: Commons Sandbox
          Issue Type: Bug
          Components: CSV
            Reporter: Toli Kuznets


When you call CSVParser.getLine() or nextToken() with a line that is a comment as defined
by the CSVStrategy but it doesn't contain the delimiter character, the call hangs in an infinite
loop

This code will hang:
{code}
        parser = new CSVParser(new StringReader("# abc\n"), new CSVStrategy('\t', '\'', '#'));
        tokens = parser.getLine();
{code}

However, if you insert a delimiter char into the incoming string, it'll come through and return
an empty string as a result:
{code}
        CSVParser parser = new CSVParser(new StringReader("#\tabc"), new CSVStrategy('\t',
'\'', '#'));
        String[] tokens = parser.getLine();
        System.out.println("result: "+Arrays.toString(tokens));
{code}

It gets stuck in an infinite loop in CSVParser.nextToken() in the loop around line 347

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