(gdb) bt
#0  0x00e26402 in ?? ()
#1  0x0078e221 in ___newselect_nocancel () from /lib/libc.so.6
#2  0x061bce08 in _Jv_select () from /usr/lib/libgcj.so.6
#3  0x0619f182 in gnu::java::nio::VMSelector::select ()
   from /usr/lib/libgcj.so.6
#4  0x06214b76 in gnu::java::nio::SelectorImpl::select ()
   from /usr/lib/libgcj.so.6
#5  0x0621478f in gnu::java::nio::SelectorImpl::select ()
   from /usr/lib/libgcj.so.6
#6  0x0804d392 in com.jatosoft.java.pug.PugNioServer.run() (this=0xb4e980)
    at com/jatosoft/java/pug/PugNioServer.java:131
#7  0x0804da7e in com.jatosoft.java.pug.Pug.main(java.lang.String[]) (
    args=0x2cc50) at com/jatosoft/java/pug/Pug.java:83
#8  0x0619be5d in gnu::java::lang::MainThread::call_main ()
   from /usr/lib/libgcj.so.6
#9  0x061d47a6 in gnu::java::lang::MainThread::run () from /usr/lib/libgcj.so.6
#10 0x061ab209 in _Jv_ThreadRun () from /usr/lib/libgcj.so.6
#11 0x061708a3 in _Jv_RunMain () from /usr/lib/libgcj.so.6
#12 0x06170a0c in _Jv_RunMain () from /usr/lib/libgcj.so.6
#13 0x06170a4d in JvRunMain () from /usr/lib/libgcj.so.6
#14 0x0804b8d1 in main ()