Out of Memory error starting JBoss with Portal from Eclipse

Question

I cannot get JBoss Portal to start from Eclipse, though the AS alone starts fine, and the Portal starts correctly as well, when started from the command line as opposed to f

Answer 1

You need to increase the memory you're allocating to Java, in particular heap space and PermGen. This article is highly relevant. It mentions that this issue often occurs with Eclipse and JBoss (since both are fairly large), and provides a solution (adjusting the command-line flags).