Hi, > 1) Thomas, when you say you have fixed it/changed the sequence of startup...will that be a new jar to download? .175?
Yes. But you could test right now with the latest automated build: http://www.h2database.com/html/build.html#automated - direct link http://www.h2database.com/automated/h2-latest.jar Regards, Thomas On Fri, Jan 17, 2014 at 3:48 PM, Dave Atkins <[email protected]> wrote: > Thanks...looks like major progress here. Two questions: > > 1) Thomas, when you say you have fixed it/changed the sequence of > startup...will that be a new jar to download? .175? > 2) Noel, "something running in background connecting to Web Console" - we > are running a perl based webadmin tool...I will check that out and see what > happens when I disable it > > root 1359 1 0 09:25 ? 00:00:00 /usr/bin/perl > /usr/libexec/webmin/miniserv.pl /etc/webmin/miniserv.conf > > I also downgraded to java 6 on the test server and I cannot reproduce the > problem (with webmin running). So that confirms the bug was not present in > java 6. Upgrading back to java 7 u 51 now to test with and without the > webmin... > > > On Fri, Jan 17, 2014 at 2:22 AM, Thomas Mueller < > [email protected]> wrote: > >> 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 a topic in the >> Google Groups "H2 Database" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/h2-database/3lJV5BZn2OE/unsubscribe. >> To unsubscribe from this group and all its topics, 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. > -- 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.
