hadoop

I am trying to investigate what happens when an exception is throw in the writer. As per theory I was expecting a roll-back to occur and the...

I have Quartz 2.2.1 and Spring 3.2.8 app. My problem is that during startup Quartz creates two jobs with the following one 2 seconds later. ...

I get parsing error when I try to load localhost:8080/. I can't find any errors in my template, so why have I this mistake? Error: Whit...

I have upgrade Spring3.1 to Spring 4.1 encounter a ehcache problem. Below is spring ehcache config: <?xml version="1.0" encod...

I am currently considering going deep with Java an its technologies in server-side web development (Learning about Spring, Servlets, Apache/...

I am trying to use hibernate envers to audit particular tables. Here is the version I use: <dependency> <groupId>o...

I am joining two table using one to many relationship my first table is role and second is roleCompany. where role_id is reference key in r...