Re: [xml] xmlSchemaNewParserCtxt coredump
- From: Remy HAREL <rharel ext rd francetelecom com>
- To: Espen Ekeroth <espen ekeroth omxgroup com>
- Cc: xml gnome org
- Subject: Re: [xml] xmlSchemaNewParserCtxt coredump
- Date: Thu, 04 Aug 2005 09:29:09 +0200
Hi,
If sometimes you have segfaults and sometimes not, it's probably not
because of your schema but memory allocation.
Maybe gdb could help you, I encountered once such problems with
xmlDocDumpxxx functions, and I thought it was weird, but after a while,
I found that I used a wrong pointer of pointer somewhere.
Have a good day,
Rem
_____________________________________________
Remy HAREL - Teamlog |
____________________________________________|
Linux registered user #224740 |
France Telecom Recherche & Developpement |
____________________________________________|
__________________@ http://www.chezrem.org @|
Espen Ekeroth wrote:
Hi, we are having a problem with the xmlSchemaNewParserCtxt function.
Some of our schemas are creating coredumps in the
xmlSchemaNewParserCtxt function, and some are not. Could this be a
problem in the schema?
int mcxml_ValidateAgainstSchema(XML_SETTINGS settings, xmlDocPtr doc,
char *caller,
char *schema_file, MCXML_STATUS *status)
{
xmlSchemaPtr schema = NULL;
xmlSchemaParserCtxtPtr ctxt;
char *schema_file_fp = mcxml_GetSchemaWithLocation(settings,
schema_file, status);
if (status->status == XML_OK) {
ctxt = xmlSchemaNewParserCtxt(schema_file_fp);
<cut>
Schema that fails:
----------------------------
<?xml version="1.0" encoding="UTF-8"?>
<!--
$Author: hansg $
$Revision: 1.1 $
$Date: 2005/07/12 14:54:02 $
-->
<xs:schema
targetNamespace="http://www.nordpool.com/np/dam/DamEnvelope.xsd";
xmlns:msg="http://www.nordpool.com/np/dam/DamEnvelope.xsd";
xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:element name="DamEnvelope">
<xs:complexType>
<xs:sequence>
<xs:element name="Header">
<xs:complexType>
<xs:sequence>
<xs:element
name="MessageHeader">
<xs:complexType>
<xs:sequence>
<xs:element name="From">
<xs:complexType>
<xs:sequence>
<xs:element name="PartyId"
type="msg:NonEmptyString"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="To">
<xs:complexType>
<xs:sequence>
<xs:element name="PartyId"
type="msg:NonEmptyString"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="ConversationId" type="msg:MessageId"/>
<xs:element name="Service" type="msg:NonEmptyString"/>
<xs:element name="Action" type="msg:NonEmptyString"/>
<xs:element name="MessageData">
<xs:complexType>
<xs:sequence>
<xs:element name="MessageId"
type="msg:MessageId"/>
<xs:element name="Timestamp"
type="xs:dateTime"/>
<xs:element name="RefToMessageId"
type="msg:MessageId" nillable="true" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="Body">
<xs:complexType>
<xs:sequence>
<xs:any
processContents="strict" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:simpleType name="NonEmptyString">
<xs:restriction base="xs:string">
<xs:minLength value="1"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="MessageId">
<xs:restriction base="xs:string">
<xs:minLength value="1"/>
<xs:maxLength value="30"/>
</xs:restriction>
</xs:simpleType>
</xs:schema>
---------------------------------------
Schema that works:
---------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:element name="ATC">
<xs:complexType>
<xs:sequence>
<xs:element name="MessageVersion"
type="xs:int"/>
<xs:element name="TSOId"
type="xs:string"/>
<xs:element name="ExchangeId"
type="xs:string"/>
<xs:element name="DeliveryDate"
type="xs:date"/>
<xs:element name="Capacities">
<xs:complexType>
<xs:sequence>
<xs:element
name="Capacity" minOccurs="0" maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="FromArea"/>
<xs:element name="ToArea"/>
<xs:element name="Periods">
<xs:complexType>
<xs:sequence>
<xs:element name="Period"
minOccurs="0" maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element
name="PeriodId" type="xs:int"/>
<xs:element
name="Quantity" type="DecimalValue"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:complexType name="DecimalValue">
<xs:sequence>
<xs:element name="Value" type="xs:long"/>
<xs:element name="Decimals" type="xs:int"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
I do see that there are some differences in how the schemas are
written, but I do not know that much about xml schemas. Could anybody
tell me what to look for?
/Espen
Phone: +47 69215581 / + 47 92499076
email: espen ekeroth omxgroup com
MSN: espene halden net
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