Hi, I guess it makes sense to start the TCP and PG servers first. I don't remember why I changed the order at some point, I guess it wasn't just an accident. I have fixed that now.
Regards, Thomas On Fri, Jan 17, 2014 at 8:11 AM, Noel Grandin <[email protected]> wrote: > > > On 2014-01-16 16:25, Dave Atkins wrote: > >> >> Also attaching thread dumps...but really it just shows what we know: >> sometimes the TCP (and PG) server fails to start. >> >> > > > Hmmm, it looks like there are two stuck threads there. They say they are > RUNNABLE, but that just means that they might be locked on some native > lock, or stuck spinning in some CPU loop. > > I suspect that there is an underlying bug in the JDK's javax.sql package > which seems to be triggered by us calling > org.h2.Driver.load(), which in turn calls java.sql.DriverManager. > DriverManager.registerDriver() > and > java.sql.DriverManager.getLogWriter() > in parallel on two different threads. > > Thomas, in org.h2.tools.Server, we start the Web-Console before we start > the TCP and PG servers. > Why is this? > Up until version 1351 we started the TCP and PG servers before the > web-console, which would have prevented this bug. > > Dave, you appear to have something running in the background which is > constantly connecting to the Web-Console, and if it manages to do so during > startup, it triggers this bug. Turning that thing off should prevent this > bug until we can fix it properly. > > Regards, Noel. > > > -- > You received this message because you are subscribed to the Google Groups > "H2 Database" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/h2-database. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/groups/opt_out.
