Alejandro Ross

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since Jun 13, 2006
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Recent posts by Alejandro Ross

Hi everyone,

I have a datatable with each row displaying a 'log' entry that includes a logTimestamp field. I want to calculate the timestamp difference between row 'i' and row 'i-1'. Is there any way to do this in JSF?

Thanks!
11 years ago
JSF
Hi everyone.. I have a huge ORDERS table to work with and each customer has a set of ORDERS within the orders table. There are over 2 million records in the ORDERS table. I tried to run the following in Hibernate (Java) but got a java.lang.OutOfMemoryError: Java heap space error. HELP!!
What is the best move I can make to fix this problem?

"select sum(orderz.result03),sum(orderz.result05),sum(orderz.result07),sum(orderz.result08),sum(orderz.result09),sum(orderz.result26)," +
// "sum(orderz.result02),sum(orderz.result04),sum(orderz.result06),sum(orderz.result13),sum(orderz.result16),sum(orderz.result18)," +
// "sum(orderz.result19),sum(orderz.result25)," +
// "sum(orderz.result15),sum(orderz.result17),sum(orderz.result00),sum(orderz.result01)" +
//" from DialingListEntry as orderz where orderz.CUSTOMER_ID = :custId")
// .setInteger("custId", custId);

Anyone have any suggestions??? Help is much appreciated... In either DB work or hibernate.. Thanks
Hi Everyone,
Upon entering a page, I set a columns Object into a Struts Form (corresponding to the page). I could have also put it in the request.
I want to access the columns object throught Javascript.

Is it possible?

Thanks in advance,
Alex
Hi Everyone,

My Log4j.xml file has a JDBC appender that connects to the test environment database. But when I run my tests, I want it to write to another 'test' database. I'm sure there are a variety of ways to handle this. What is the best solution?

I was told to subclass the JDBCAppender class, however I'm not sure if that is the correct way.

Thanks in advance,

Alex
12 years ago
Hi everyone,

My question is as follows:
What is the best way to code a listener for file changes on a web application? Should it be a singleton? Should I create a listener? I hear that a standard listener with timer can cause memory issues with some applications.. I am using Quartz to run jobs. I want to fire a Quartz job that uses a file right after it has been modified.

Thanks in advance,


Alex
12 years ago
Has anyone built a web services client that runs entirely using JRE 1.3.1?? I need to know if it's possible and how to do that... I don't think I'll be allowed to use jars compiled with java 1.4. I have no idea at the moment.

Thanks,

Alex
13 years ago
Hi Ulf, thanks for quick responses.

Question to all: Given a WSDL document of today (whatever SOAP standards are current), can I build a Web Service Client using only JDK 1.3 to use the WSDL?

If so, what is the best suggested setup for this. I've googled everywhere, and the only one seems to be Axis which says I can use JDK 1.3, but their axis.jar is compiled with 1.4.2? Isn't that a problem? Thanks.

Alex
13 years ago
This is driving me insane and I really need some knowledgable help here.

I tried using WTP for eclipse and wsdl2java. Not sure what has gone wrong. Libraries have changed for XML etc, so I'm not sure what to do, but I'm going to have to come up with a solution later this week. If I have .jar files compiled using 1.4.2, can they be used by a jar that is compiled by 1.3? My constraints are the following:

All class and jar files need to work with JRE 1.3

Any suggestions would be greatly appreciated,

Alex
13 years ago
Hi everyone,

I urgently need to make a working web service for Java 1.3
However, I have tried to run something and nothing seems to work
(NoClassDefError etc). What jars do I need? I have tried several methods
and nothing works. If anyone can send me instructions for creating one,
or a zip of a simple web service in JDK 1.3, it would be greatly appreciated!

Thanks,

Alex
[ June 23, 2006: Message edited by: Bear Bibeault ]
13 years ago