Re: [oscg-general] OpenJDK 6 build 20 or 21 issue
From Lussier, Denis Feb 20, 2011 3:20 AM
Hi Stefano, Lets take this issue off this list. I am curious to work with you to raise this problem on the OpenJDK discussion forums and to see how Oracle reacts. --Luss On Sun, Feb 20, 2011 at 2:59 AM, Stefano Fratini < stefano.fratini@yeahpoint.com> wrote: > Hey I'm not sure either this is an openjdk issue or a windows build > problem... > > At my company we've been using your openjdk 6b20 and now openjdk 6b21 for > over a year now > > We have an interesting problem: If a java app is running and the user logs > off java *may* prevent windows from logging off. When that happen, from the > logs we see that all shutdown hooks are executed correctly but then the app > stalls and java gets to 100% cpu usage. In other words the jawaw.exe process > doesn't shut down properly and hungs. > > Interestingly, if the java application didn't create any window (JWindow or > JFrame) the java vm always shuts down properly. If it did create a > JWindow/JFrame and *made it visible* the java vm doesn't shut down properly. > Always. > > If the app calls within itself System.exit(0) or, simply, all threads have > terminated, the app shuts down normally despite of the presence of > JWindows/JFrames... > > I'm posting this message here as with sun's JRE builds we never encountered > such issue and it doesn't seem like an openJDK bug but rather a > build-related problem. > Moreover I couldn't find anything related at > https://bugs.openjdk.java.net/ or no one seems to have this problem if you > google for it > > I may be wrong on this point, though. If so, please let me know :) > > I'm sure the problem does exist and we have been able (unfortunately) to > reproduce it hundreds of machines > > Tested configurations: > OS: Win XP SP3 / Win XP SP2 > Memory: from 256mb to 2gb > > Thank you in advance!! > > Stefano Fratini > >
Hi Stefano,<div><br></div><div>Lets take this issue off this list. I am curious to work with you to raise this problem on the OpenJDK discussion forums and to see how Oracle reacts.</div><div><br></div><div>--Luss<br><br> <div class="gmail_quote">On Sun, Feb 20, 2011 at 2:59 AM, Stefano Fratini <span dir="ltr"><<a href="mailto:stefano.fratini@yeahpoint.com">stefano.fratini@yeahpoint.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> Hey I'm not sure either this is an openjdk issue or a windows build problem...<br> <br> At my company we've been using your openjdk 6b20 and now openjdk 6b21 for over a year now<br> <br> We have an interesting problem: If a java app is running and the user logs off java *may* prevent windows from logging off. When that happen, from the logs we see that all shutdown hooks are executed correctly but then the app stalls and java gets to 100% cpu usage. In other words the jawaw.exe process doesn't shut down properly and hungs.<br> <br> Interestingly, if the java application didn't create any window (JWindow or JFrame) the java vm always shuts down properly. If it did create a JWindow/JFrame and *made it visible* the java vm doesn't shut down properly. Always.<br> <br> If the app calls within itself System.exit(0) or, simply, all threads have terminated, the app shuts down normally despite of the presence of JWindows/JFrames...<br> <br> I'm posting this message here as with sun's JRE builds we never encountered such issue and it doesn't seem like an openJDK bug but rather a build-related problem.<br> Moreover I couldn't find anything related at <a href="https://bugs.openjdk.java.net/" target="_blank">https://bugs.openjdk.java.net/</a> or no one seems to have this problem if you google for it<br> <br> I may be wrong on this point, though. If so, please let me know :)<br> <br> I'm sure the problem does exist and we have been able (unfortunately) to reproduce it hundreds of machines<br> <br> Tested configurations:<br> OS: Win XP SP3 / Win XP SP2<br> Memory: from 256mb to 2gb<br> <br> Thank you in advance!!<br> <font color="#888888"><br> Stefano Fratini<br> <br> </font></blockquote></div><br></div>
