Bug#623754: RFP: byteman -- tool which simplifies tracing and testing of Java programs
Package: wnpp
Severity: wishlist
* Package name : byteman
Version : 1.5.1
Upstream Author : Red Hat and individual contributors
* URL : http://www.jboss.org/byteman
* License : LGPL
Programming Lang: Java
Description : tool which simplifies tracing and testing of Java programs
Byteman allows you to insert extra Java code into your
application, either as it is loaded during JVM startup or
even after it has already started running. The injected code
is allowed to access any of your data and call any
application methods, including where they are private. You
can inject code almost anywhere you want and there is no
need to prepare the original source code in advance nor do
you have to recompile, repackage or redeploy your
application. In fact you can remove injected code and
reinstall different code while the application continues to
execute.
.
Byteman works by modifying the bytecode of your application
classes at runtime. Since it only needs access to bytecode
this means it can modify library code whose source is either
unavailable or unable to be recompiled. This even includes
the Java code which forms part of the Java virtual machine,
classes such as String, Thread etc. So, with Byteman you
can trace what the JVM is doing on behalf of your
application code or cause JVM classes like FileInputStream
or Map to throw exceptions when your application calls them.
--
Miguel Landaeta, miguel at miguel.cc
secure email with PGP 0x7D8967E9 available at http://keyserver.pgp.com/
"Faith means not wanting to know what is true." -- Nietzsche
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