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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 6
Affects Version/s: 1.4.2
Component/s: client-libs
Labels:
- swing-text
- webbug

Subcomponent:
javax.swing
Resolved In Build:
b11
CPU:

x86
OS:

linux

FULL PRODUCT VERSION :
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Linux lumberjack 2.4.18-18.7.x #1 Wed Nov 13 20:29:30 EST 2002 i686 unknown

A DESCRIPTION OF THE PROBLEM :
The HTML parser in the HTMLEditorKit goes into an infinite recursion when it encounters an OPTION tag inside a SELECT.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Compile the program below, and run against the following data file

javac Bug.java
java Bug fail.html

--- begin fail.html ---
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US"><head><title>Update Spies!</title>
</head><body bgcolor="#FFFFFF"><H1>Update Spies!</H1>
<form method="post" action="/cgi-bin/game.cgi?id=34" enctype="application/x-www-form-urlencoded">
<TABLE><TR><TH>User Name:</TH><TD><INPUT TYPE="text" NAME="username"></TD></TR>
<TR><TH>Password:</TH><TD><INPUT TYPE="password" NAME="password"></TD></TR>
<TR><TH>Name:</TH><TD><INPUT TYPE="text" NAME="name" VALUE="Spies!" MAXLENGTH=50></TD></TR>
<TR><TH>Description:</TH><TD><INPUT TYPE="text" NAME="desc" VALUE="" MAXLENGTH=250></TD></TR>
<TR><TH>Company:</TH><TD><SELECT NAME="company"> <OPTION VALUE="31">4-Player Chess</OPTION>
    <OPTION VALUE="1"><unknown></OPTION>
    <OPTION VALUE="2">Avalon Hill</OPTION>
    <OPTION VALUE="3">Chaosium Inc.</OPTION>
    <OPTION VALUE="27">Classic Game</OPTION>
    <OPTION VALUE="4">Engleman Military Simulations</OPTION>
    <OPTION VALUE="5">Eon Products</OPTION>
    <OPTION VALUE="6">Family Games Inc.</OPTION>
    <OPTION VALUE="30">FASA</OPTION>
    <OPTION VALUE="28">FASA Corporation</OPTION>
    <OPTION VALUE="7">Flying Buffalo</OPTION>
    <OPTION VALUE="8">Game Designers Workshop</OPTION>
    <OPTION VALUE="9">Games Workshop</OPTION>
    <OPTION VALUE="10">Hasbro</OPTION>
    <OPTION VALUE="29">Hero Games</OPTION>
    <OPTION VALUE="11">I.C.E.</OPTION>
    <OPTION VALUE="12">Mayfair Games</OPTION>
    <OPTION VALUE="23">Milton Bradley</OPTION>
    <OPTION VALUE="24">Monash Games</OPTION>
    <OPTION VALUE="25">Nova</OPTION>
    <OPTION VALUE="26">Parker Brothers</OPTION>
    <OPTION VALUE="13">Reiss</OPTION>
    <OPTION VALUE="14">SPI</OPTION>
    <OPTION VALUE="15">Steve Jackson Games</OPTION>
    <OPTION VALUE="16">Supremacy Games</OPTION>
    <OPTION VALUE="17">Task Force Games</OPTION>
    <OPTION VALUE="18">The Emperor's Pass</OPTION>
    <OPTION VALUE="19" SELECTED>TSR</OPTION>
    <OPTION VALUE="20">Victory Games</OPTION>
    <OPTION VALUE="21">West End Games</OPTION>
    <OPTION VALUE="22">Wizards of the Coast</OPTION>
</SELECT></TD></TR>
<TR><TH>Min Players:</TH><TD><INPUT TYPE="text" NAME="minplayers" VALUE="2" MAXLENGTH=2></TD></TR>
<TR><TH>Max Players:</TH><TD><INPUT TYPE="text" NAME="maxplayers" VALUE="5" MAXLENGTH=2></TD></TR>
<TR><TH>Min Time:</TH><TD><INPUT TYPE="text" NAME="mintime" VALUE="2.00" MAXLENGTH=5></TD></TR>
<TR><TH>Max Time:</TH><TD><INPUT TYPE="text" NAME="maxtime" VALUE="3.00" MAXLENGTH=5></TD></TR>
<TR><TH>Image URL:</TH><TD><INPUT TYPE="text" NAME="imageurl" VALUE="" MAXLENGTH=50></TD></TR>
<TR><TH>Game Type:</TH><TD><SELECT NAME="type">
<OPTION VALUE=""></OPTION>
<OPTION VALUE="WGM" >War Game</OPTION>
<OPTION VALUE="CRD" >Card Game</OPTION>
<OPTION VALUE="MNI" >Miniatures Game</OPTION>
<OPTION VALUE="BRD" SELECTED >Board Game</OPTION>
<OPTION VALUE="RPG" >Role-Playing Game</OPTION>
<OPTION VALUE="LVA" >Live-Action RPG</OPTION>
<OPTION VALUE="PUZ" >Puzzle</OPTION>
<OPTION VALUE="NET" >Net Game</OPTION>
</SELECT></TD></TR>
</TABLE><INPUT TYPE="submit" NAME="update" VALUE="Update Spies!"><INPUT TYPE="hidden" NAME="id" VALUE="34"></form>
</body></html>
--- end fail.html ---

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The program should print each tag as it encounters it.

ACTUAL -
When it hits the OPTION tag, it recursively re-invokes itself on the same tag.

[html]
[head]
[title]
[body]
[h1]
[form]
[table]
[tr]
[th]
[td]
[tr]
[th]
[td]
[tr]
[th]
[td]
[tr]
[th]
[td]
[tr]
[th]
[td]
[select]
[option]
[option]
  ...
  ...
[option]
[option]Exception in thread "main" java.lang.StackOverflowError
        at java.nio.Buffer.<init>(Buffer.java:176)
        at java.nio.CharBuffer.<init>(CharBuffer.java:259)
        at java.nio.HeapCharBuffer.<init>(HeapCharBuffer.java:52)
        at java.nio.CharBuffer.wrap(CharBuffer.java:350)
        at sun.nio.cs.StreamEncoder$CharsetSE.implWrite(StreamEncoder.java:378)
        at sun.nio.cs.StreamEncoder.write(StreamEncoder.java:136)
        at java.io.OutputStreamWriter.write(OutputStreamWriter.java:191)
        at java.io.BufferedWriter.flushBuffer(BufferedWriter.java:111)
        at java.io.PrintStream.write(PrintStream.java:458)
        at java.io.PrintStream.print(PrintStream.java:602)
        at java.io.PrintStream.println(PrintStream.java:739)
        at Bug$TesterCallback.handleStartTag(Bug.java:15)
        at javax.swing.text.html.parser.DocumentParser.handleStartTag(DocumentParser.java:140)
        at javax.swing.text.html.parser.Parser.startTag(Parser.java:417)
        at javax.swing.text.html.parser.Parser.legalElementContext(Parser.java:617)
        at javax.swing.text.html.parser.Parser.legalElementContext(Parser.java:683)
        at javax.swing.text.html.parser.Parser.legalElementContext(Parser.java:621)
        at javax.swing.text.html.parser.Parser.legalElementContext(Parser.java:683)
        at javax.swing.text.html.parser.Parser.legalElementContext(Parser.java:621)

ERROR MESSAGES/STACK TRACES THAT OCCUR :

Exception in thread "main" [option]java.lang.StackOverflowError

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.util.*;
import java.text.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import javax.swing.text.html.parser.*;

public class Bug {

  static class TesterCallback extends HTMLEditorKit.ParserCallback {


    public void handleStartTag(HTML.Tag t, MutableAttributeSet attrib, int pos) {

        System.err.println("[" + t + "]");
    }
  }

  public Bug() {
  }

  public boolean test(Reader r, boolean verbose) {
    TesterCallback tcb = new TesterCallback();
    try {
      (new ParserDelegator()).parse(r, tcb, true);
    } catch (Exception e) {
      // ignore
    }

    return true;
  }

  public boolean test(Reader r) {
    return test(r, false);
  }

  public boolean test(String s) {
    return test(new StringReader(s));
  }

  public static void main(String[] args) throws Exception {
    Bug tester = new Bug();
    for (int i = 0; i < args.length; i++) {
      boolean result = tester.test(new FileReader(args[i]), true);
      System.out.print(args[i] + " : " + result);
      System.out.println();
    }
  }

}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
None so far. Continuing to investigate.
###@###.### 10/15/04 07:41 GMT

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