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Posted to regexp-dev@jakarta.apache.org by bu...@apache.org on 2006/06/10 00:59:08 UTC
DO NOT REPLY [Bug 39772] New: - RE internal error: Invalid opcode '0'
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Summary: RE internal error: Invalid opcode '0'
Product: Regexp
Version: unspecified
Platform: Sun
OS/Version: Solaris
Status: NEW
Severity: blocker
Priority: P1
Component: Other
AssignedTo: regexp-dev@jakarta.apache.org
ReportedBy: tianyu17@yahoo.com
I have a Web application using struts, the page parses a date string,
intermittently, I am getting following error:
java.lang.Error: RE internal error: Invalid opcode '0'
at org.apache.regexp.RE.internalError(Unknown Source)
at org.apache.regexp.RE.matchNodes(Unknown Source)
at org.apache.regexp.RE.matchNodes(Unknown Source)
at org.apache.regexp.RE.matchAt(Unknown Source)
at org.apache.regexp.RE.match(Unknown Source)
at org.apache.regexp.RE.match(Unknown Source)
at org.apache.regexp.RE.match(Unknown Source)
at com.ew.util.Regex.getDatePattern(Regex.java:95)
at com.ew.util.DateUtil.parse(DateUtil.java:69)
at com.parser.ReportParser.parseReport(ReportParser.java:40)
the getDatePattern code looks like:
public static String getDatePattern(String dateStr) throws EWException {
RE regexp = new RE();
String datePattern = null;
try {
// if no data string, throw exception
if (StringUtils.isEmpty(dateStr)) {
throw new EWException(new IllegalArgumentException(
"The date string is empty"));
} else {
// if one Date REProgram is null, consider all of them are
// yet instatiated.
if (dateFormatMap.size() == 0) {
dateFormatMap.put(DATE_PATTERN_0, compiler.compile(DATE_0));
dateFormatMap.put(DATE_PATTERN_1, compiler.compile(DATE_1));
dateFormatMap.put(DATE_PATTERN_2, compiler.compile(DATE_2));
dateFormatMap.put(DATE_PATTERN_3, compiler.compile(DATE_3));
dateFormatMap.put(DATE_PATTERN_4, compiler.compile(DATE_4));
dateFormatMap.put(DATE_PATTERN_5, compiler.compile(DATE_5));
dateFormatMap.put(DATE_PATTERN_6, compiler.compile(DATE_6));
dateFormatMap.put(DATE_PATTERN_7, compiler.compile(DATE_7));
dateFormatMap.put(DATE_PATTERN_8, compiler.compile(DATE_8));
dateFormatMap.put(DATE_PATTERN_9, compiler.compile(DATE_9));
}
// find the pattern that matches the date string
Iterator keys = dateFormatMap.keySet().iterator();
String pattern;
while(keys.hasNext()) {
pattern = (String) keys.next();
regexp.setProgram((REProgram)dateFormatMap.get(pattern));
if (regexp.match(dateStr)){
datePattern = pattern;
break;
}
}
..................
Once the problem happens, we have to restart the server. Sometimes, we have to
restart the server couple of times to remove the error. But the problem is not
that easy to reproduce. it happens intermittently in production. We could not
reproduce it in QA.
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DO NOT REPLY [Bug 39772] - RE internal error: Invalid opcode '0'
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=39772>.
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------- Additional Comments From ergotrye@myway.com 2006-07-18 14:15 -------
The error you're getting is because RE is not Threadsafe.
This is really a dupe of bug 28412.
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DO NOT REPLY [Bug 39772] - RE internal error: Invalid opcode '0'
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=39772>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.
http://issues.apache.org/bugzilla/show_bug.cgi?id=39772
vgritsenko@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
------- Additional Comments From vgritsenko@apache.org 2006-06-15 17:33 -------
Please specify regexp version you've used.
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DO NOT REPLY [Bug 39772] - RE internal error: Invalid opcode '0'
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=39772>.
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vgritsenko@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution| |INVALID
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DO NOT REPLY [Bug 39772] - RE internal error: Invalid opcode '0'
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=39772>.
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vgritsenko@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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DO NOT REPLY [Bug 39772] - RE internal error: Invalid opcode '0'
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
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<http://issues.apache.org/bugzilla/show_bug.cgi?id=39772>.
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------- Additional Comments From vgritsenko@apache.org 2006-07-18 19:59 -------
I think he is not using RE itself from different threads, and REProgram
instances are thread safe. Most probably it is duplicate of bug 3877.
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