Serializing Hibernate objects as XML using XStream

People have been looking for  serializing Hibernate as XML using XStream, a task that is not straightforward.

I designed a solution that I would like to share with the open source community, called xstream-for-pojo.

OPL and Java: loading dynamic Linux libraries

When calling IBM ILOG OPL (Optimization Programming Language) from a Java application running on Linux, one will face some issues regarding loading dynamic OPL libraries. Typical error messages look like:

Native code library failed to load: ensure the appropriate library (oplXXX.dll/.so) is in your path.

java.lang.UnsatisfiedLinkError: no opl63 in java.library.path
java.lang.UnsatisfiedLinkError: no opl_lang_wrap_cpp in java.library.path
java.lang.UnsatisfiedLinkError: no cp_wrap_cpp_java63 in java.library.path
java.lang.UnsatisfiedLinkError: no concert_wrap_cpp_java63 in java.library.path

This article explains my considerations and some approaches how to fix it.

Running Eclipse on a machine without Java

As “portable applications” are getting more and more popular, it is important to say that Eclipse has always been portable: just unzip it anywhere and run it. The real issue is not having Java Runtime Environment installed on the machine where you want to run Eclipse. Unfortunately, installing Java on Windows requires full administrator rights.