J Chitra

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since Sep 16, 2004
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Recent posts by J Chitra

Hello!
Has anybody who used JasperReport without JaspAssistant/iReport? I am at the peak of the confusion with the design and compilation of the reports. Can anybody help me?
19 years ago
Hi!
although I have posted this already in Other APIs forum, I came to know a little late that this is the best fit.

I am using the solarmetric implementation of JDO and I would like to know how we can convert the collection returned by the JDOQL into a XML format.

Many thanks for any help.
Hi!
I would like to know how to convert the JDO Collection into a XML document? In particular, am using the solrmetric Kodo for JDO implementation.
Any help will be greatly appreciated! Thnx.
19 years ago
hi,
just cleared the ACXE. I would recommend this for taking ACXE:

If one is new to XML, better concentrate on XML Schema and XSLT,as this will cover an overall 50% of the exam.

As of XML 2.0 part of the exam, the most important is the naming rules(elt. name can start with : or - or _)

As of Schema (for about 20%) and the expectation is to understand the equivalance of a given Schema and DTD(8% of the exam) for a single instance document.(good example:sample Q.No:7).should also have a concrete understanding of the parameter entities and general entities and the priority of multiple declarations, external and internal dtds and most importantly the difference between PCDATA and CDATA and using CDATA for script langauages.
should also have a basic idea about wsdl(6% of the exam). (This is a good starter). The tutorial at the w3 schools is enough for SOAP.(this constitutes 2% for the exam).
And you need to have work out a lot on XSLT and XPath(14% + 16%). Topxml.com has a very good tutorial on this and we can have a free download of the examples in zip format and work all these examples and exercise with the free download of the XMLSpy Home edition.
And finally, a walk thru the manual and tutorial (free download from altova) is essential(20% of the exam). Working out the examples as directed in the tuts will be of a good help in understanding XMLSpy. The workouts include: create schema visually, making the complexType/simpleType global, transformation and the difference between the types of views.

If using only the home edition , a thorough read of the manual and tutorial of the enterprise/professional edition will do good since the home edition is a limited one. Things important with EE manual:

  • ability to understand the renaming/rearranging of the elements in the grid format as opposed to text format
  • things like converting an attribute to an element and vice versa in the instance doc as opposed to schema
  • managing projects
  • creating common schema for several different instance docs at a time
  • assigning the value of an element to an attribute using XPath

  • And finally make an overall go thru with the W3C recommendations (available at altova itself) and ensure that you know all the subtopics ( no need to remember each and every rule) and then take the 11 sample Qs(out of 12 Qs we have answers and explanations for only 11 Qs and they left out the Q regarding SOAP. I wonder why!) and understand the explanation(they provide explanation for only worng Qs. So, if you want to know all the correct answers and expl., I would recommend to finish off the sample w/o answering any Q.)


    And you are all set for the exam(no:A20-001 - $95 at prometric)
    All the best.
    hi,
    what is the cost of xml certification is USD?
    hi Mike,
    Many thanks.
    windows:XP,Tomcat:5.0.28
    I checked the version of java and it is:
    java version "1.4.2_06"
    Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_06-b03)
    Java HotSpot(TM) Client VM (build 1.4.2_06-b03, mixed mode)

    I copied the tool.jar to common\lib in tomcat, it works fine now.

    by the way, may i know why r u against this?
    19 years ago
    Thanks Mike!
    I am running Tomcat manually. I find the SCWCD forum more appropriate for this and found questions of same sort and i have posted the same topic there.
    Thanks again.
    19 years ago
    Hi,
    I tried to deploy the 3rd version of the servlet in Chapter 3 and i get the error report on Tomcat:

    Unable to find a javac compiler;
    com.sun.tools.javac.Main is not on the classpath.
    Perhaps JAVA_HOME does not point to the JDK

    And it points to the line:

    view.forward(req,res);

    of the servlet. I checked the classpath:
    c:\prj\coffee-v1\classes;
    c:\tomcat\common\lib\servlet-api.jar;
    c:\Tomcat\common\lib\jsp-api.jar;

    and Path: %JAVA_HOME%\bin

    and JAVA_HOME:c:\j2sdk1.4.2_06

    Thanks
    Hi,
    I was trying to workout the MVC example in HF S&J chapter 3, I get an error with Tomcat saying that the root cause:

    Unable to find a javac compiler;
    com.sun.tools.javac.Main is not on the classpath.
    Perhaps JAVA_HOME does not point to the JDK

    and my path sttings are:
    JAVA_HOME:c:\j2sdk1.4.2_06
    PATH:%JAVA_HOME%\bin
    CLASSPATH:C:\j2sdkee1.3\lib\j2ee.jar;%JAVA_HOME%\bin;
    c:\prj\coffee-v1\classes;c:\tomcat\common\lib\servlet-api.jar;

    and am working on windows!
    19 years ago
    Thanks Mike. I changed the classpath to class_files dir and its working fine now.
    19 years ago
    Hi,
    I have a probem with importing. The directory structure is like this:

    I have a java_files as the base directory. and under that I have 2 dir.s: class_files & source_files.

    Now,what am trying is :
    i have 2 .java files in the source_files directory:
    1.source_files\a\b\c1\java1.java and
    2.source_files\a\b\c2\java2.java

    I declared java2.java(in which all the class,method names are public) in a package called a.b.c2 and wrote the .class file to the class_files directory using -d while compiling.

    when i tried to import a.b.c2.*; in my java1.java, i get a compiler error saying that package a.b.c2 does not exist.

    Where is the problem? I checked the the existence of the .class file in class_files\a\b\c2. It IS there.
    19 years ago
    Its working. The server was not shutdown the last when i made the changes in the PROJECT directory.
    Thanks Joyce.
    19 years ago