Oracle XML parser and IBM jdk bug

Hello,
From a few messages found in the XML forum it seems that IBM jvm could cause problems with oracle XML parser. ( see http://technet.oracle.com:89/ubb/Forum11/HTML/003823.html )
I am using IBM jvm (jdk 1.3) on a linux box, and problems are starting to arise:
I have
- 1 BC4J based jsp app which works fine.
- 2 XML parsing BC4J apps which cause strange errors (like parsing 40 documents fine and failing on the 41st for no apparent reason)
Hopefully, Steven Muench provided precious advice on this (basically, disabling the JIT), however some issues are still open:
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>You should file a bug with IBM to get this fixed, using your stylesheet as a testcase. Lots of people have hit this problem.<HR></BLOCKQUOTE>
Has anyone (from oracle or else) done this yet? I have gone (quickly) through IBM website but I didn't find any bug report utility or the like...
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Disable your JIT compiler (or switch JVM's) and you won't have the error.<HR></BLOCKQUOTE>
Turning off the JIT indeed made the errors vanish, thanks a lot for the tip!
I have a few more questions though :
* As the BC4J framework uses the xml parser, It is fairly possible that the ibm jvm bug will affect it...
I haven't had any problems (yet?) with the BC4J part of my applications, but I'm a bit concerned about having random bugs lurking around (I have more than enough of my own :) )
Has anyone stumbled upon IBM JVM vs oracle parser issues in BC4J? (oracle.xml.parser.v2.XXXXXX exceptions...)
* If BC4J is indeed affected, what's the solution?
- Disable the JIT? (And forget about performance?... hmmm... no)
- Switch parsers? (oracle parser is too tightly integrated in the BC4J Framework isn't it?.. hmm... not possible either)
- Wait for a patch from IBM (and use another one in the meantime) / switch JVM :
In either case, I'd really like to know what is the JVM that oracle people use / would advise.
Thanks for your help
null

For those interested,
last week i reported this bug in the ibm jvm news forum.
They said that the problem had been investigated and would be fixed in their next service release.
FYI: the current release (SR7, labeled "build cx130-20010329) still has various problems wih oracle XML parser.
Remi
null

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[040306_011610133][][EXCEPTION] [DEBUG] [FND_JDBC_BUFFER_MAX]:[2]
[040306_011610134][][EXCEPTION] [DEBUG] [USER_ID]:[-1]
[040306_011610134][][EXCEPTION] [DEBUG] [FND_JDBC_PLSQL_RESET]:[false]
[040306_011610135][][EXCEPTION] [DEBUG] [NLS_TERRITORY]:[AMERICA]
[040306_011610135][][EXCEPTION] [DEBUG] [RESP_APPL_ID]:[-1]
[040306_011610136][][EXCEPTION] [DEBUG] [FND_MAX_JDBC_CONNECTIONS]:[500]
[040306_011610136][][EXCEPTION] [DEBUG] [NLS_SORT]:[BINARY]
[040306_011610137][][EXCEPTION] [DEBUG] [FND_JDBC_IDLE_THRESHOLD.LOW]:[-1]
[040306_011610138][][EXCEPTION] [DEBUG] [FND_JDBC_BUFFER_MIN]:[1]
[040306_011610138][][EXCEPTION] [DEBUG] [RESP_ID]:[-1]
[040306_011610139][][EXCEPTION] [DEBUG] [NLS_NUMERIC_CHARACTERS]:[.,]
[040306_011610139][][EXCEPTION] [DEBUG] [FND_JDBC_BUFFER_DECAY_SIZE]:[5]
[040306_011610140][][EXCEPTION] [DEBUG] [NLS_LANGUAGE]:[AMERICAN]
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[040306_011610144][][EXCEPTION] [DEBUG] [NLS_CHARACTERSET]:[US7ASCII]
[040306_011610144][][EXCEPTION] [DEBUG] [FND_JDBC_CONTEXT_CHECK]:[true]
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[040306_011610145][][EXCEPTION] [DEBUG] [FND_JDBC_USABLE_CHECK]:[false]
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[040306_011610148][][EXCEPTION] [DEBUG] [FND_JDBC_BUFFER_MAX]:[2]
[040306_011610149][][EXCEPTION] [DEBUG] [sun.cpu.isalist]:[pa2.0 pa1.2 pa1.1 pa1.0]
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[040306_011610150][][EXCEPTION] [DEBUG] [java.awt.graphicsenv]:[sun.awt.X11GraphicsEnvironment]
[040306_011610150][][EXCEPTION] [DEBUG] [java.specification.vendor]:[Sun Microsystems Inc.]
[040306_011610151][][EXCEPTION] [DEBUG] [sun.io.unicode.encoding]:[UnicodeBig]
[040306_011610151][][EXCEPTION] [DEBUG] [JTFDBCFILE]:[oracle/app/dev1app/dev1appl/fnd/11.5.0/secure/o11idev_dev1.dbc]
[040306_011610152][][EXCEPTION] [DEBUG] [java.runtime.name]:[Java(TM) 2 Runtime Environment, Standard Edition]
[040306_011610153][][EXCEPTION] [DEBUG] [user.home]:[u02/app/dev1app]
[040306_011610153][][EXCEPTION] [DEBUG] [java.specification.version]:[1.3]
[040306_011610154][][EXCEPTION] [DEBUG] [java.vm.info]:[mixed mode]
[040306_011610154][][EXCEPTION] [DEBUG] [user.dir]:[u02/app/dev1app/dev1appl/dev1csf/log/DEV1_o11idev]
[040306_011610155][][EXCEPTION] [DEBUG] [java.io.tmpdir]:[var/tmp/]
[040306_011610155][][EXCEPTION] [DEBUG] [LONG_RUNNING_JVM]:[true]
[040306_011610155][][EXCEPTION] [DEBUG] [java.ext.dirs]:[opt/java1.3/jre/lib/ext]
[040306_011610156][][EXCEPTION] [DEBUG] [dbcfile]:[oracle/app/dev1app/dev1appl/fnd/11.5.0/secure/o11idev_dev1.dbc]
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[040306_011610157][][EXCEPTION] [DEBUG] [java.awt.fonts]:[]
[040306_011610157][][EXCEPTION] [DEBUG] [java.class.version]:[47.0]
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[040306_011610158][][EXCEPTION] [DEBUG] [sun.cpu.endian]:[big]
[040306_011610159][][EXCEPTION] [DEBUG] [java.class.path]:[/opt/java1.3/lib/rt.jar:/opt/java1.3/lib/tools.jar:/opt/java1.3/jre/lib/rt.jar:/opt
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sunrsasign.jar:/opt/java1.3/jre/classes]
[040306_011610161][][EXCEPTION] [DEBUG] [java.vendor.url.bug]:[http://www.hp.com/go/Java]
[040306_011610161][][EXCEPTION] [DEBUG] [user.timezone]:[America/Chicago]
[040306_011610162][][EXCEPTION] [DEBUG] [java.vm.name]:[Java HotSpot(TM) Server VM]
[040306_011610163][][EXCEPTION] [DEBUG] [CACHEMODE]:[DISTRIBUTED]
[040306_011610164][][EXCEPTION] [DEBUG] [cpid]:[72156]
[040306_011610164][][EXCEPTION] [DEBUG] [java.vm.specification.name]:[Java Virtual Machine Specification]
[040306_011610165][][EXCEPTION] [DEBUG] [java.vm.vendor]:[Hewlett-Packard Company]
[040306_011610165][][EXCEPTION] [DEBUG] [user.language]:[en]
[040306_011610166][][EXCEPTION] [DEBUG] [java.library.path]:[/opt/java1.3/bin/../jre/lib/PA_RISC2.0/native_threads:/opt/java1.3/bin/../jre/lib
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[040306_011610167][][EXCEPTION] [DEBUG] [java.vm.specification.version]:[1.0]
[040306_011610168][][EXCEPTION] [DEBUG] [java.awt.printerjob]:[sun.awt.motif.PSPrinterJob]
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[040306_011610169][][EXCEPTION] [DEBUG] [java.runtime.version]:[1.3.1.09-030418-12:59]
[040306_011610170][][EXCEPTION] [DEBUG] [java.vm.specification.vendor]:[Sun Microsystems Inc.]
[040306_011610171][][EXCEPTION] [DEBUG] [java.vendor]:[Hewlett-Packard Co.]
[040306_011610172][][EXCEPTION] [DEBUG] [file.encoding.pkg]:[sun.io]
[040306_011610172][][EXCEPTION] [DEBUG] [java.vendor.url]:[http://www.hp.com/go/Java]
[040306_011610173][][EXCEPTION] [DEBUG] [logfile]:[oracle/app/dev1app/dev1appl/dev1csf/log/DEV1_o11idev/FNDOPP72156.txt]
040306_011610174][][EXCEPTION] [DEBUG] [os.arch]:[PA_RISC2.0]
[040306_011610174][][EXCEPTION] [DEBUG] [os.version]:[B.11.11]
[040306_011610174][][EXCEPTION] [DEBUG] [java.home]:[opt/java1.3/jre]
[040306_011610175][][EXCEPTION] [DEBUG] [java.specification.name]:[Java Platform API Specification]
[040306_011610175][][EXCEPTION] [DEBUG] [sun.boot.library.path]:[opt/java1.3/jre/lib/PA_RISC2.0]
[040306_011610176][][EXCEPTION] [DEBUG] [line.separator]:[
[040306_011610176][][EXCEPTION] [DEBUG] [file.encoding]:[8859_1]
[040306_011610177][][EXCEPTION] [DEBUG] [user.name]:[oradev]
[040306_011610177][][EXCEPTION] [DEBUG] [java.vm.version]:[1.3.1 1.3.1.09-_18_apr_2003_14_01 PA2.0]
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at oracle.xml.parser.v2.NonValidatingParser.parseElement(NonValidatingParser.java:1202)
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at oracle.apps.xdo.template.fo.util.FOUtility.generateFO(FOUtility.java:209)
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Internal Exception: oracle.xml.parser.v2.XMLParseException xsi:type "toplin

i am using toplink 10.1.3.0.0 with oracle app server 10.1.2.2, i am using change field optimistic locking and generating the project xml,
application runs great locally in the jdeveloper, but when it is deployed on app server getting following error
here are the headers from both my project.xml as well as session xml..
<?xml version="1.0" encoding="UTF-8"?>
<toplink:object-persistence version="Oracle TopLink - 10g Release 3 (10.1.3.0.0) (Build 060118)" xmlns:opm="http://xmlns.oracle.com/ias/xsds/opm" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:toplink="http://xmlns.oracle.com/ias/xsds/toplink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<opm:name>PROJ</opm:name>
<opm:class-mapping-descriptors>
<opm:class-mapping-descriptor xsi:type="toplink:relational-class-mapping-descriptor">
<?xml version="1.0" encoding="UTF-8"?>
<toplink-sessions version="4.5" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<session xsi:type="server-session">
<name>PROJSession</name>
<event-listener-classes/>
<logging xsi:type="toplink-log">
<log-level>finer</log-level>
</logging>
<primary-project xsi:type="xml">PROJ.xml</primary-project>
<login xsi:type="database-login">
<platform-class>oracle.toplink.platform.database.oracle.OraclePlatform</platform-class>
<user-name></user-name>
any help/idea appreciated...
Exception [TOPLINK-9005] (Oracle TopLink - 10g Release 3 (10.1.3.0.0) (Build 060118)): oracle.toplink.exceptions.SessionLoaderException
Exception Description: An exception was thrown while loading the <project-xml> file [PROJ.xml].
Internal Exception: Exception [TOPLINK-25004] (Oracle TopLink - 10g Release 3 (10.1.3.0.0) (Build 060118)): oracle.toplink.exceptions.XMLMarshalException
Exception Description: An error occurred unmarshalling the document
Internal Exception: Exception [TOPLINK-27101] (Oracle TopLink - 10g Release 3 (10.1.3.0.0) (Build 060118)): oracle.toplink.platform.xml.XMLPlatformException
Exception Description: An error occurred while parsing the document.
Internal Exception: oracle.xml.parser.v2.XMLParseException: xsi:type "toplink:changed-field-locking-policy" not resolved to a type definition
at oracle.toplink.exceptions.SessionLoaderException.failedToLoadProjectXml(SessionLoaderException.java:74)
at oracle.toplink.tools.sessionconfiguration.TopLinkSessionsFactory.loadProjectConfig(TopLinkSessionsFactory.java:316)
at oracle.toplink.tools.sessionconfiguration.TopLinkSessionsFactory.createSession(TopLinkSessionsFactory.java:241)
at oracle.toplink.tools.sessionconfiguration.TopLinkSessionsFactory.buildServerSessionConfig(TopLinkSessionsFactory.java:215)
at oracle.toplink.tools.sessionconfiguration.TopLinkSessionsFactory.buildSession(TopLinkSessionsFactory.java:168)
at oracle.toplink.tools.sessionconfiguration.TopLinkSessionsFactory.buildTopLinkSessions(TopLinkSessionsFactory.java:124)
at oracle.toplink.tools.sessionconfiguration.XMLSessionConfigLoader.load(XMLSessionConfigLoader.java:103)
at oracle.toplink.tools.sessionmanagement.SessionManager.getSession(SessionManager.java:367)
at oracle.toplink.tools.sessionmanagement.SessionManager.getSession(SessionManager.java:334)
at myProjectPackage.common.data.toplink.ToplinkDataManagerPeer.<init>(ToplinkDataManagerPeer.java:41)
at myProjectPackage.common.data.DataManagerFactory.getDataManagerInstance(DataManagerFactory.java:40)
at myProjectPackage.common.servlet.NYSDOTFilter.getDataManager(NYSDOTFilter.java:964)
at myProjectPackage.common.servlet.NYSDOTFilter.doFilter(NYSDOTFilter.java:144)
at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:16)
at myProjectPackage.caf.servlet.NYSDOTCAFFilter.doFilter(NYSDOTCAFFilter.java:90)
at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:20)
at myProjectPackage.common.servlet.NYSDOTLoginFilter.doFilter(NYSDOTLoginFilter.java:95)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:669)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:340)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:228)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
at java.lang.Thread.run(Thread.java:570)

first thanks for your reply,
i already figured that out and deployed it using 10.1.3.1 jars
my question
1) if it is a bug , how come it works fine with jdeveloper (
i would appreciate if you could provide any info about it.
2) i dont want to sound sarcastic , but 10.1.3.1 has of optimistic locking and the recommended solution i found was to use descriptor.getQueryManager().setUpdateCallCacheSize(0);
looks like 10.1.3.1 fixed one bug and introduced other one which was working fine earlier...
is there any other way of fixing optimistic locking issue other than using the
descriptor.getQueryManager().setUpdateCallCacheSize(0);
where i can find the latest/greatest (up to date patched version of toplink)
thanks again for your help

ANN: Oracle XML Parser for Java v2.0.0.1

A new maintenance release of the Oracle Parser for Java is
available for download. It has the following fixes and changes:
Bug fixes for #920536, i.e. Cannot access element attributes via
XSLT; #898423. i.e. ElementDecl's in DTDs; #774774, i.e. DOM
extensions using XSL pattern matching; #863890 i.e. SAX
IOException not thrown.
New APIs in the following new interface:
1. oracle.xml.parser.v2.NSResolver
- resolveNamespacePrefix( find the namespace definition in scope
for a given namespace prefix )
New APIs in the following classes:
1. oracle.xml.parser.v2.XMLNode
- selectNodes( Selects nodes from the tree which match the given
pattern; client can provide an NSResolver implementation to
resolve namespace prefixes in the pattern ).
2. oracle.xml.parser.v2.ElementDecl
- getParseTree( Returns the root Node of Content Model parse
tree, which could then be traversed node by node using
getFirstChild() and getLastChild(). The Node types are: PLUS,
COMMA, ASTERISK, ELEMENT, QMARK ).
This is the first beta patch release for v2.
Oracle XML Team
http://technet.oracle.com
Oracle Technology Network
null

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The first maintenance release of the Oracle XML Parser for
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Oracle XML Team
http://technet.oracle.com
Oracle Technology Network
null

The first maintenance release of the Oracle XML Parser for
Java is available for download here.
It has the following fixes and changes since 1.0.1:
Bug Fixes:
#843157, parseDTD(InputSource, rootElement) and
parseDTD(URL, rootelement) then parse(InputSource) bugs;
#843143, parse(InputSource) bug;
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rethrown.
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Oracle XML Team
http://technet.oracle.com
Oracle Technology Network
null

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