Tagged Questions

2
votes
0answers
29 views

DhtmlxGrid render table with connector behaviour

I am using java connector for DHTMLXGrid. I want to render a table and display only those record where value of some field is some.Just like "Select * from table where status='inProgress';" Currently ...
2
votes
0answers
75 views

WiFi conflicting with local mysql connection (Java/Spring)

I'm using java/spring to connect to a local mysql database and run some integration tests. Sometimes I get Hibernate errors saying that a connection cannot be established. I've noticed this only ...
2
votes
0answers
127 views

How to send messages from MySQL to a Java web app,when data is inserted or updated?

I'm making a MySQL database for a Java-based web application. I need to send messages from MySQL to the Java webapp when data is inserted or updated. How might I approach this?
2
votes
0answers
140 views

SmartGwt with hibernate for database connection

I am using eclipse indigo.I want to use hibernate with smartgwt smart gwt showcase I have a grid so want data from database using hibernate datasource(ds) like smartgwt showcase EE. I don't ...
2
votes
0answers
130 views

Blob datatype in service.xml of liferay

I am working with liferay and want to store images in my MySQL database. My service.xml goes like this: <entity name="DLApp" local-service="true" remote-service="true"> <column ...
2
votes
0answers
235 views

Game App Client-Server: MySQL logs “too many connections”, Linux logs “100% CPU”

I am developing a game with client-server, client of this game can be from Flash Web, J2ME or Android Mobile. Every day there are 300-400 users play this game. I am faced with headache problem, and I ...
2
votes
0answers
512 views

catch MySQLIntegrityConstraintViolationException

I'm getting a constraints violation: run: DEBUG: nntp: newsrc loading /home/thufir/.newsrc DEBUG: nntp: newsrc load: 6 groups in 20ms [EL Info]: 2012-07-29 ...
2
votes
0answers
430 views

Migrate HAR hibernate archive to JBoss 7

I'm migrating an application packaged as a HAR hibernate archive from JBoss AS5 to AS7. I have a number of questions, and I know I have a number of hurdles I have to face in order to migrate my ...
2
votes
0answers
195 views

Ramifications for Calling Statement.cancel() on To Forcefully Close Large ResultSet in Java/MySQL

I'm developing a website that will allow registered users to search through anywhere from 10-20 million records, and those records will be cross referenced against a number of in memory caches (in ...
1
vote
0answers
37 views

MySQL Query caching doesn't work from Application Server

Below are my Query cache settings, mysql> show variables Like '%query_cache%'; +------------------------------+---------+ | Variable_name | Value | ...
1
vote
0answers
22 views

Logback DBAppender has null caller_filename

Using logback-1.0.13.jar and JDK 1.6u34. I have a Java web app (WAR) with the following WEB-INF/classes/logback.xml: <configuration debug="true" scan="true" scanPeriod="5 minutes"> ...
1
vote
0answers
97 views

prepared statement bind variables 'neutral' parameters in query string

Having googled like crazy for hints I'm still stuck with my non working query using java and mysql. I'm trying to launch a query with prepared statement and bind variables. The query should give me ...
1
vote
0answers
61 views

Time consuming conversion from pivot table to flat table

In our application, we have to process more than three lakhs of records using a table, whose structure will be something similar as pivot table. CREATE TABLE properties ( id INT(11) NOT NULL ...
1
vote
0answers
72 views

How to Implement a Database Cache Framwork in Java

I wants to implement a cache framework to display the contents of a database table to users on every request. There is already Ehcache in Hibernate. But i wants to implement my own. So i need a ...
1
vote
0answers
52 views

How do i format this function using strings in a database?

This is the function in a View package for a basic website. I have a folder called productImages and a function "getString" that takes string params from my database. In this database I have a column: ...

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