Invalid Java classes in Portal30 schema

Hi,
we have lots of (14-15) invalid java classes in portal30 schema. How do I make them valid?
It is urgent !!!!!
Thanks
Vikas

Put all of them in one jar.
Then load the single jar.

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Invalid java class problem

Hi , I have found this invalid java class in my schema portal30 : 3334f18_HttpProviderDispatche
In which way can I recompile it , or eventually change it with a new one ?
Thanks
Max

hi,
Go to your portal navigator and try compiling the class. If you get compilation errors,you can load that class to your database using loadjava utility.
--Sriram

Errors generating Java classes from XML schema

I received the following errors when generating Java classes from the schema located at: http://imsproject.org/xsd/ims_qti_rootv1p1.xsd and http://imsproject.org/xsd/ims_xml.xsd
XML Spy v4 claims that the schema is well-formed and valid. Could this be a problem with the class generators, or is XML Spy not telling the truth?
Thanks.
D:\IMS_QTI\Java>java -classpath .;lib/xmlparserv2.jar;lib/xschema.jar;lib/classgen.jar oracle.xml.classgen.oracg -schema ims_qti_rootv1p1.xs
d -outputDir src\com\icld\qti -package com.icld.qti -comment
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 235, Column 21>: XSD-2209: (Error) Duplicated definition for: 'attr.view'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 303, Column 21>: XSD-2209: (Error) Duplicated definition for: 'grp.labels'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 1834, Column -12236>: XSD-2209: (Error) Duplicated definition for: 'qtimetadatafield'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 1834, Column -9642>: XSD-2209: (Error) Duplicated definition for: 'typeofsolutionType'
file:/D:/IMS_QTI/Java/ims_qti_rootv1p1.xsd<Line 2252, Column -3019>: XSD-2026: (Error) Invalid attribute 'use' in element 'attribute'
Error: Schema Class Generator failed to generate classes. oracle.xml.parser.schema.XSDException: Duplicated definition for: 'attr.view'

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Jinyu Wang ([email protected]):
Which version are you using? I can't reproduce the error with 9.0.2B version.<HR></BLOCKQUOTE>
Thanks for having a look at the problem. I am using the 9.0.2.0B version with Java 2 Standard Edition Build 1.3.1-b24. The classgen -version option returns 9.0.2.0b-beta - and xmlparserv2.jar and xschema.jar are from the same distribution. Running the corresponding DTD from the same source work fine - I'm just havinf this problem with the XSD. Anything else I should look at?

About generating Java classes from XSD Schema ???

I need a powerfull tool to generate Java classes from XML Schema. I want that generated classes to have the option to validate XML(to be JAXP1.2 compliant).
I used XML Spy 5.4 but the generated classes can't validate an XML file.
Can you help me with other tools that:
- generate Java classes from XSD
- generate sample XML from XSD
- are JAXP1.2 compliant(validate a XML file with a schema)
Thanks.

You can also use Castor: http://www.castor.org
It generates classes from XML Schemas and enables data
binding without writing any line of a fuckin SAX
parser :-)I evaluated Castor and JAXB and while JAXB isn't perfect, it's got some things over Castor. Castor almost looks abandonded when I go to the site. The documentation just sort of trails off.

Any tools for converting java class to xml schema ?

Hi,
Are there any tools out there that can convert my java class to xml schema. How such tools take care of java collections like HashTable, ArrayList etc. in my class structure. I am not interested in writing any configuration files(like jaxb configuration files, jibx binding xml files etc.) for serving this purpose and the can be able to give me xml schema from the java classes. Please suggest ...
I am not sure even JAXB 2.0 allows me to do this without writing any jaxb configuration files or annotations in my java class which is not there in JDK 1.4.2
Thanks & Regards,
Kr.

Hi,
You can convert the EDI file to XML in any of the ways
1) Using third party seeburger adapters
2) Conversion agent
3) Stylus studio.
I think using java code it will be very difficult.
Thnx
Chirag

Generation of java classes from XML Schema.

Hi All,
I am working with JWSDP-2.0 but got stucked.:
To generate Java classes from an XML Schema with the JAXB ,I need to have following jar file in thils location with this JWSDP-2.0
<JWSDP>/jaxb/lib/jaxb-api.jar
<JWSDP>/jaxb/lib/jaxb-impl.jar
<JWSDP>/jaxb/lib/jaxb-libs.jar
<JWSDP>/jaxb/lib/jaxb-xjc.jar
<JWSDP>/jwsdp-shared/lib/namespace.jar
<JWSDP>/jwsdp-shared/lib/jax-qname.jar
<JWSDP>/jwsdp-shared/lib/relaxngDatatype.jar
And here I m not finding as jaxb-libs.jar,namespace.jar and jax-qname.jar on respective location.
If I m putting these left jar file from another place it is not generating all the classes as at least in number it should be 45 but it is generating merely 5 classes.
Can any one help me regarding this.
Regards.
Shelly.

These JAXB JAR files are for JAXB 1.0.
For JAXB 2.0 the following JAR files are required.
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-api.jar
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-impl.jar
C:\Sun\jwsdp-2.0\jaxb\lib\jaxb-xjc.jar
C:\Sun\jwsdp-2.0\jwsdp-shared\lib\activation.jar
C:\Sun\jwsdp-2.0\sjsxp\lib\jsr173_api.jar
C:\Sun\jwsdp-2.0\sjsxp\lib\sjsxp.jar

Compiling and putting java classes in database schema

hi..good evening to all...
I have total 7 java classes which i have to compile and put in the database schema. those 7 classes are interdependent on each other thats why there is a particular order of execution.
i want to compile and put them in the schema thorugh the command line.
i have tried doing this one by one by executing the following command in cmd...
D:\>loadjava -u username/password@sid -v -resolve javaclassname.java
then its working fine..
But i have to do this in one time i.e i have to compile and put all the 7 classes in schema by a single command.
Thats why i have put all the 7 classes one by one in the required order...save the file as 'java_sources.java' and then run the following command...
D:\>loadjava -u username/password@sid -v -resolve java_sources.java
but it is not working... :(
please help...thanks in advance

Hi,
It is not required to load one by one class files into the schema. Can create a jar file for all the class files and load the jar file using the '-o' option in loadjava
eg:
loadjava -u username/password@sid -v -r -o jar_file_name.jarI hope you might use any IDE to develop the java class files. All the IDE have option to develop jar file if not get oracle JDeveloper for easy option.
Check the version of jdk used in your oracle server and use appropiate version of Jdeveloepr and compile the classes.
If your class files use any builtin library jar files those also need to be loaded.
As thomaso said if pasted with errors can resovle easier
NB:
http://download.oracle.com/docs/cd/B10500_01/java.920/a96659/02_load.htm

INVALID java classes

Earliar I posted a question looking for help with
deployment/redeployment that suddenly when bad and after some investigation I noticed that a high percentage of my Java classes under Oracle/HTTPClient are invalid.
This can't be normal, what steps should I take to correct
this
Regard
David

David --
I don't have a good answer, however you might want to try this question on the Database JVM forum here: Java in the Oracle Database
Thanks,
Rob
Team JDev

Error when generating Java Classes from XSD

I'm getting the following error when using oragc to generate Java classes from a schema:
Error: Schema Class Generator failed to generate classes. oracle.xml.parser.schema.XSDException: Invalid facet 'pattern' in element 'simpleType'
Any thoughts?
Here's the part where it is getting the error:
+111 
+112 <xsd:simpleType name="TimestampType">
+113 <xsd:annotation>
+114 <xsd:documentation>Base type for a date and time stamp</xsd:documentation>
+115 </xsd:annotation>
+116 <xsd:restriction base="xsd:dateTime">
+117 <xsd:pattern value="[1-9][0-9]{3}\-.+T[^\.]+(Z|[\+\-].+)" />
+118 </xsd:restriction>
+119 </xsd:simpleType>

I would recommend using JAXB instead of the Oracle class generator. This will give a standards based object-to-XML platform.
Oracle provides two JAXB implementations: one in the TopLink product, and the other in the XDK.
For an example of using TopLink JAXB see:
http://www.oracle.com/technology/products/ias/toplink/technical/tips/jaxb/index.htm
TopLink also provides the ability to map existing Java objects to an existing XML Schema, for an example of this see:
http://www.oracle.com/technology/products/ias/toplink/technical/tips/ox/index.htm
-Blaise

How to download a java class from database to file system

Hi All,
We have one invalid java class in database. We need to verify what is the functionality of this class. So we planned to download this class to file system. Then we need decompile it to source. But we are not able to identify the right command to download the java class from database.
Please suggest me if any possible ways to acheive this.
Thanks in advance....

http://www.sql.ru/forum/actualthread.aspx?tid=747308
http://download.oracle.com/docs/cd/B19306_01/java.102/b14187/appendixa.htm
PROCEDURE export_source(name VARCHAR2, schema VARCHAR2, blob BLOB)
PROCEDURE export_class(name VARCHAR2, schema VARCHAR2, blob BLOB)
PROCEDURE export_resource(name VARCHAR2, schema VARCHAR2, blob BLOB)
create table scott.t (id number, b blob);
declare
    b blob;
    begin
       dbms_lob.createTemporary(b, true, dbms_lob.CALL);
       dbms_java.export_class('sun/net/www/ParseUtil', user, b);
      dbms_output.put_line('length(b): '||length(b));
      insert into "SCOTT"."T" values(1,b);
    end;

Is there a way to create a Java class based on what's defined in a schema?

I have a set of schemas that define what messages I will get as an XML stream (sent as UDP packets). Is there a way to parse the schemas into a set of java classes that match the fields in the schema? If so, next think would be to feed a string or byte array to instances of these objects and have a method that parses it and fills all the fields. But is the first part possible? Somebody linked http://www.cafeconleche.org/books/xmljava/chapters/ in another thread, but that seems to be for regular XML, not schema, unless I'm confused which is entirely possible, I'm new to XML and using it in Java in this way.

For future reference, [Java API for XML Binding|http://www.dummies.com/WileyCDA/DummiesArticle/Building-Custom-Code-with-Java-API-for-XML-Binding-JAXB-.id-1489,subcat-BUILDING.html] (JAXB) allows for [generation of Java classes|http://www.oracle.com/technology/pub/articles/marx-jse6.html] from XML Schema (or even DTD) using its xjc compiler.

XJC Tool - For building Java classes from Schema

Hi all,
I am using XJC tool for Building java classes from Schema.
Can we have any other tool for generating java classes from Schema?
Thanks in advance,
typurohit

Solved my own problem and forgot to post the answer: the "xsd:import" is also considered as a targetNamespace, so each xsd:import needs a package specified as well when using oracg. It would be helpful if the Oracle documentation had stated that, but it does not point this out.

INVALID Java Source/Class - 8i

Hi,
When I loaded the example java source:
public class Oscar {
// return a quotation from Oscar Wilde
public static String quote() {
return "I can resist everything except temptation.";
and looked at the table USER_OBJECTS for the result I find them to be in an invalid status:
Object Name Object Type Status Timestamp
Oscar JAVA CLASS INVALID 2002-01-09:16:18
Oscar JAVA SOURCE INVALID 2002-01-09:16:17
What could be happening? Thanks in advance for your help.
Harish

Harish,
You need to resolve your class when loading it for it to become valid. At this point you can do the following:
ALTER JAVA CLASS "name" RESOLVE;
You can also do this when loading Java Source from SQL*Plus as follows:
CREATE OR REPLACE AND RESOLVE JAVA SOURCE NAMED "name" AS
<java code>
Or, if you prefer loadjava, use the -resolve flag
Hope this helps,
-Dan Barr
http://www.compuware.com/products/numega/dbpartner/dbpordebug.htm
Debug Java in the Oracle Database

How do Java Class Objects get invalid?

How do Java Classes get invalid in the database?

What version of Oracle?
Oracle provided or user created?
Generally speaking if you modify the database objects a class depends on you can invalidate the object which in turn can invalidate dependend code/objects.
More specifics are needed if you need a better response.
HTH -- Mark D Powell --

Generate XML Schema from Java classes?

Hi,
Considering an XML Mapping, i would like to generate a default XML Schema from my Java class.
Is there a tool in toplink (10.1.3) to do that or does anyone have an easy way to generate this XML schema?
Thanks,
Ludovic

Hi Ludovic,
We don't have support for schema generation from Java classes in TopLink 10.1.3. It's required for JAXB 2.0 so it will be available in a future release.
--Shaun

Invalid Java classes in Portal30 schema

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