On Thu, Jan 15, 2009 at 1:38 AM, Henrik Thostrup Jensen <[email protected]> wrote: > 2009/1/15 Ittay Dror <[email protected]>: >> >> Alex Boisvert wrote: >>> >>> The only segfaults I've seen on Ubuntu were cases using JDK 1.6 with RJB. >>> You can use either JDK 1.5 or switch to JRuby if you want to use JDK 1.6. >> >> I have run into many segfaults. The reason is usually a deep recursion which >> exhausts the execution stack (a ruby stack of 20 methods is something like >> 400 c functions stack). Since Rake uses recursion to invoke prerequisites of >> tasks and since Buildr uses a lot of task dependencies (e.g. compile.with >> project('B')), this happens when the project tree gets large. As far as I >> remember this happens on *nix systems, not Windows. >> >> The way I debug this is by using trace to find where approximately the crash >> happens and then turning on method tracing in ruby. >> >> If running on *nix, try increasing the stack limit ('ulimit -s unlimited') > > I tried this and compared buildr --trace with regular ulimit, it > doesn't get any further :-/. > The dependencies in the project are quite complex. > > I am also using JDK 1.6, and tried to downgrade to 1.5. However many > (most) of the libraries I need to use are compiled with 1.6, making a > downgrade very inconvenient. > > The segfaults does not appear to come a particular place though: > > ** Invoke sgas:iterator:build (first_time) > ** Invoke sgas:common:test:compile (first_time, not_needed) > zsh: segmentation fault buildr --trace > > ** Invoke /home/htj/src/sgas/sgas-git-buildr/buildfile (not_needed) > ** Invoke /home/htj/src/sgas/sgas-git-buildr/iterator/target/main/classes > (first_time) > zsh: segmentation fault buildr --trace > > Any ideas, before I bow my head, and go back to maven :-(.
Buildr for JRuby. I had similar issue under Ubuntu, Ruby and JDK 1.6. If I ran a task that took a while, say a minute, Buildr would seg fault at some point, not always the same point. No such problem with Ruby/1.5 or JRuby/1.6, so I would recommend switching to JRuby. Assaf > > -- > - Henrik >
