Re: Error starting Red5

You are missing dependencies. I went through the same when trying to figure out how to build from trunk, here is the email from Yohann that helped me, hope it clears things for you too. You may want to check this link too: http://www.nabble.com/Red5-in-Eclipse-td22327510.html

in red5 root directory, take a look at ivy.xml, this file contains the
list of java libraries that are required by red5. Amongst those
libraries, some are necessary for usual compilation, some are only
necessary for unit tests. This is the case for junit 4.5 and grobo
utils. ivy.xml contains the name of libraries (actually jars - java
archives) but it also gives the version number of libraries.

Before using red5, I've never heard about ivy, I don't know which sort
of grass red5 guys were smoking when they choosed their dependency
management tool, but they didn't choose maven, neither maven tasks for
ant.... For your information, maven is a tool which defines a project
directory layout and which defines dependency management. It also
provides a central repository which contains many useful libraries.

It seems that ivy uses url patterns to retrieve jars from http
servers. And stronger, it can use several urls. If the first fails, it
tries the second one, etc. And apparently, those url patterns are
configured in ivysettings.xml in red5 root directory.

If you're new to java, let me explain you one thing: many java
projects on the internet use other projects which uses other projects
etc. When you download a project, there is often a jar file which
contains the compiled classes of the project itself. Then,
dependencies must be added to the classpath to let the java virtual
machine find other classes which are generally not in the same
package. Here, several possibilites: some projects create a lib
directory in which they put jar files they need. Some projects use a
dynamic management tool like ivy to retrieve jar files dynamically.
No, generally, the list of dependencies is provided in a file which
format may vary (maven pom.xml, ivy ivy.xml, etc.)
the jar you need in grobo utils is grobo...-core.jar
not for its packages to work. Each jar file is actually a zip file
which contains the package tree. Don't break lib tree if you want red5
to compile/work properly.
that's enough to make red5 compile on eclipse. Right-click your
project in package explorer, then properties, java build path,
libraries, etc.



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