Re: Firefox in OS X freezes in DevMode.

2013-11-19 Thread Paul Sarando
I created a new Firefox profile, and Firefox still froze when trying to 
connect to Eclipse Kepler using DevMode.

Using sudo to launch Firefox as root still works (Chrome works as well).

I first encountered this problem on OSX 10.6, but I'm still having this 
issue after upgrading to 10.8.3 and Java 7.

There are no messages or exceptions reported in Eclipse. The only messages 
I've found are reported in the terminal when I launched Firefox from the 
command-line:

Initializing GWT Developer Plugin
  gecko=25.0.1, firefox=25.0.1, abi=Darwin_x86_64-gcc3, built for ff250
Connect(url=http://XXX.XXX.XXX.XXX:/Discoveryenvironment.jsp?gwt.codesvr=XXX.XXX.XXX.XXX:9997,
 
sessionKey=*~NO_|dJO:iP@0L|, address=XXX.XXX.XXX.XXX:9997, 
module=discoveryenvironment, hostedHtmlVersion=2.1
GWT Development Mode connection requested by unknown web server 
XXX.XXX.XXX.XXX, code server XXX.XXX.XXX.XXX
Initiating GWT Development Mode connection to host XXX.XXX.XXX.XXX, port 
9997
Other end of socket disconnected
Failed to receive message type
Disconnecting already disconnected channel
2013-11-19 11:31:01.537 firefox[10044:7c13] invalid context

The lines starting with Other end of socket disconnected don't get 
reported until I stop the Eclipse debugger.


On Sunday, November 17, 2013 11:44:55 AM UTC-7, Colin Alworth wrote:

 Jorel, I am myself not yet using Mavericks (others on my team are, that's 
 where I'm drawing from for my other reply), so am running 10.8.5 and 
 firefox 25, but can't reproduce this issue. Do you have any error messages 
 or logs to share? 

 To everyone who has managed to workaround the issue with root, instead can 
 you try a new profile in your normal firefox instance under your normal 
 account?

 On Saturday, November 16, 2013 10:39:58 PM UTC-6, Jorel wrote:

 I'm also seeing this on a mac running 10.8.5 (not yet on mavericks).
 Firefox 25 upgrade did something to my config i guess.
 Running Firefox as root also solved this.
 I would be interested to find out why this workaround is necessary ... 
 glad to have a workaround for now though.

 On Thursday, November 14, 2013 1:02:21 PM UTC-5, Jonathan Strootman wrote:

 This is happening to some of our guys too. 

 We used the workaround that Carlos mentioned, launching FF as root.

 On Saturday, November 9, 2013 9:52:55 PM UTC-7, Carlos Aguayo wrote:

 I really appreciate your help Colin.

 At this point I believe it's some misconfiguration in my computer. I 
 tried to do a jconsole on the devmode process and it said it couldn't 
 connect to it. I then did a jstack and said the same but this time the 
 utility suggested to use a -F to force it, when I did that, I was able 
 to 
 see the threads. I then tried to launch firefox and sudo mode, and voila, 
 that worked! So I open Firefox in normal mode, it can't connect to the 
 plugin, I then try it in root mode and works...

 The devmode process and eclipse are running with my account, so I can't 
 tell what else I could have messed up but the important is that I can work 
 and move on.

 I appreciate the help,

 On Saturday, November 9, 2013 3:10:58 PM UTC-5, Colin Alworth wrote:

 If you can repro this on at least one other machine and get the 
 details of what the JVM is doing, that'd be helpful. I have a very 
 basic familiarity with the dev mode code from researching the FF dev mode 
 memory leak, and would be happy to take a closer look. From your 
 description it sounds like the JVM is either also waiting for the browser 
 (and we'll need to figure out how it got into that bad state with one 
 having ignored a message from the other), or the JVM is blocked on 
 something else entirely, the real source of the bug. My bet is on the 
 latter, that something funny is going on there.

 Recent updates to Dev Mode were made for all platforms, nothing 
 mac-specific, so that seems unlikely. Getting an old copy of firefox and 
 an 
 old (pre-ff25) copy of the plugin would probably be worth testing as well 
 if you are able to repro this on more than one box.

 Note: the FF-devmode memory leak has to do with the old pages failing 
 to shut down the plugin correctly, so make certain that you don't load 
 more 
 than once. If you do, your JVM will have two different threads trying to 
 talk to the browser, and it may be difficult to tell which one is the 
 current one, versus the 'memory leak' one.

 On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I 
 did leave the browser for a few minutes, there's no breakpoints and CPU 
 is 
 not peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the 

Re: Firefox in OS X freezes in DevMode.

2013-11-17 Thread Colin Alworth
Jorel, I am myself not yet using Mavericks (others on my team are, that's 
where I'm drawing from for my other reply), so am running 10.8.5 and 
firefox 25, but can't reproduce this issue. Do you have any error messages 
or logs to share? 

To everyone who has managed to workaround the issue with root, instead can 
you try a new profile in your normal firefox instance under your normal 
account?

On Saturday, November 16, 2013 10:39:58 PM UTC-6, Jorel wrote:

 I'm also seeing this on a mac running 10.8.5 (not yet on mavericks).
 Firefox 25 upgrade did something to my config i guess.
 Running Firefox as root also solved this.
 I would be interested to find out why this workaround is necessary ... 
 glad to have a workaround for now though.

 On Thursday, November 14, 2013 1:02:21 PM UTC-5, Jonathan Strootman wrote:

 This is happening to some of our guys too. 

 We used the workaround that Carlos mentioned, launching FF as root.

 On Saturday, November 9, 2013 9:52:55 PM UTC-7, Carlos Aguayo wrote:

 I really appreciate your help Colin.

 At this point I believe it's some misconfiguration in my computer. I 
 tried to do a jconsole on the devmode process and it said it couldn't 
 connect to it. I then did a jstack and said the same but this time the 
 utility suggested to use a -F to force it, when I did that, I was able to 
 see the threads. I then tried to launch firefox and sudo mode, and voila, 
 that worked! So I open Firefox in normal mode, it can't connect to the 
 plugin, I then try it in root mode and works...

 The devmode process and eclipse are running with my account, so I can't 
 tell what else I could have messed up but the important is that I can work 
 and move on.

 I appreciate the help,

 On Saturday, November 9, 2013 3:10:58 PM UTC-5, Colin Alworth wrote:

 If you can repro this on at least one other machine and get the details 
 of what the JVM is doing, that'd be helpful. I have a very basic 
 familiarity with the dev mode code from researching the FF dev mode memory 
 leak, and would be happy to take a closer look. From your description it 
 sounds like the JVM is either also waiting for the browser (and we'll need 
 to figure out how it got into that bad state with one having ignored a 
 message from the other), or the JVM is blocked on something else entirely, 
 the real source of the bug. My bet is on the latter, that something funny 
 is going on there.

 Recent updates to Dev Mode were made for all platforms, nothing 
 mac-specific, so that seems unlikely. Getting an old copy of firefox and 
 an 
 old (pre-ff25) copy of the plugin would probably be worth testing as well 
 if you are able to repro this on more than one box.

 Note: the FF-devmode memory leak has to do with the old pages failing 
 to shut down the plugin correctly, so make certain that you don't load 
 more 
 than once. If you do, your JVM will have two different threads trying to 
 talk to the browser, and it may be difficult to tell which one is the 
 current one, versus the 'memory leak' one.

 On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I 
 did leave the browser for a few minutes, there's no breakpoints and CPU 
 is 
 not peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the other side, but it's 
 good to know that you haven't had an issue with FF and Mavericks as then 
 that would sadly imply that there's something wrong with my computer :(.

 On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of 
 the socket', or in other words, wait until the JVM is ready to go. Are 
 you 
 sure that the IDE isn't paused on a breakpoint, or that you have waited 
 long enough for the page to load? When the browser is in this state, try 
 pausing the JVM to see what the dev mode thread is doing - I'm betting 
 it 
 is hard at work on something... but if it too is waiting for something, 
 that could be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects 
 fwiw, aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with 

Re: Firefox in OS X freezes in DevMode.

2013-11-16 Thread Jorel
I'm also seeing this on a mac running 10.8.5 (not yet on mavericks).
Firefox 25 upgrade did something to my config i guess.
Running Firefox as root also solved this.
I would be interested to find out why this workaround is necessary ... glad 
to have a workaround for now though.

On Thursday, November 14, 2013 1:02:21 PM UTC-5, Jonathan Strootman wrote:

 This is happening to some of our guys too. 

 We used the workaround that Carlos mentioned, launching FF as root.

 On Saturday, November 9, 2013 9:52:55 PM UTC-7, Carlos Aguayo wrote:

 I really appreciate your help Colin.

 At this point I believe it's some misconfiguration in my computer. I 
 tried to do a jconsole on the devmode process and it said it couldn't 
 connect to it. I then did a jstack and said the same but this time the 
 utility suggested to use a -F to force it, when I did that, I was able to 
 see the threads. I then tried to launch firefox and sudo mode, and voila, 
 that worked! So I open Firefox in normal mode, it can't connect to the 
 plugin, I then try it in root mode and works...

 The devmode process and eclipse are running with my account, so I can't 
 tell what else I could have messed up but the important is that I can work 
 and move on.

 I appreciate the help,

 On Saturday, November 9, 2013 3:10:58 PM UTC-5, Colin Alworth wrote:

 If you can repro this on at least one other machine and get the details 
 of what the JVM is doing, that'd be helpful. I have a very basic 
 familiarity with the dev mode code from researching the FF dev mode memory 
 leak, and would be happy to take a closer look. From your description it 
 sounds like the JVM is either also waiting for the browser (and we'll need 
 to figure out how it got into that bad state with one having ignored a 
 message from the other), or the JVM is blocked on something else entirely, 
 the real source of the bug. My bet is on the latter, that something funny 
 is going on there.

 Recent updates to Dev Mode were made for all platforms, nothing 
 mac-specific, so that seems unlikely. Getting an old copy of firefox and an 
 old (pre-ff25) copy of the plugin would probably be worth testing as well 
 if you are able to repro this on more than one box.

 Note: the FF-devmode memory leak has to do with the old pages failing to 
 shut down the plugin correctly, so make certain that you don't load more 
 than once. If you do, your JVM will have two different threads trying to 
 talk to the browser, and it may be difficult to tell which one is the 
 current one, versus the 'memory leak' one.

 On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I 
 did leave the browser for a few minutes, there's no breakpoints and CPU is 
 not peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the other side, but it's good 
 to know that you haven't had an issue with FF and Mavericks as then that 
 would sadly imply that there's something wrong with my computer :(.

 On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of 
 the socket', or in other words, wait until the JVM is ready to go. Are 
 you 
 sure that the IDE isn't paused on a breakpoint, or that you have waited 
 long enough for the page to load? When the browser is in this state, try 
 pausing the JVM to see what the dev mode thread is doing - I'm betting it 
 is hard at work on something... but if it too is waiting for something, 
 that could be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects fwiw, 
 aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox 
 in OS X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that 
 comes with the Eclipse GWT plugin), I launch dev mode and try to access 
 it 
 with Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, 
 Firefox comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, 
 if I try to debug 

Re: Firefox in OS X freezes in DevMode.

2013-11-14 Thread Jonathan Strootman
This is happening to some of our guys too. 

We used the workaround that Carlos mentioned, launching FF as root.

On Saturday, November 9, 2013 9:52:55 PM UTC-7, Carlos Aguayo wrote:

 I really appreciate your help Colin.

 At this point I believe it's some misconfiguration in my computer. I tried 
 to do a jconsole on the devmode process and it said it couldn't connect to 
 it. I then did a jstack and said the same but this time the utility 
 suggested to use a -F to force it, when I did that, I was able to see the 
 threads. I then tried to launch firefox and sudo mode, and voila, that 
 worked! So I open Firefox in normal mode, it can't connect to the plugin, I 
 then try it in root mode and works...

 The devmode process and eclipse are running with my account, so I can't 
 tell what else I could have messed up but the important is that I can work 
 and move on.

 I appreciate the help,

 On Saturday, November 9, 2013 3:10:58 PM UTC-5, Colin Alworth wrote:

 If you can repro this on at least one other machine and get the details 
 of what the JVM is doing, that'd be helpful. I have a very basic 
 familiarity with the dev mode code from researching the FF dev mode memory 
 leak, and would be happy to take a closer look. From your description it 
 sounds like the JVM is either also waiting for the browser (and we'll need 
 to figure out how it got into that bad state with one having ignored a 
 message from the other), or the JVM is blocked on something else entirely, 
 the real source of the bug. My bet is on the latter, that something funny 
 is going on there.

 Recent updates to Dev Mode were made for all platforms, nothing 
 mac-specific, so that seems unlikely. Getting an old copy of firefox and an 
 old (pre-ff25) copy of the plugin would probably be worth testing as well 
 if you are able to repro this on more than one box.

 Note: the FF-devmode memory leak has to do with the old pages failing to 
 shut down the plugin correctly, so make certain that you don't load more 
 than once. If you do, your JVM will have two different threads trying to 
 talk to the browser, and it may be difficult to tell which one is the 
 current one, versus the 'memory leak' one.

 On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I 
 did leave the browser for a few minutes, there's no breakpoints and CPU is 
 not peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the other side, but it's good 
 to know that you haven't had an issue with FF and Mavericks as then that 
 would sadly imply that there's something wrong with my computer :(.

 On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of 
 the socket', or in other words, wait until the JVM is ready to go. Are you 
 sure that the IDE isn't paused on a breakpoint, or that you have waited 
 long enough for the page to load? When the browser is in this state, try 
 pausing the JVM to see what the dev mode thread is doing - I'm betting it 
 is hard at work on something... but if it too is waiting for something, 
 that could be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects fwiw, 
 aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in 
 OS X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that 
 comes with the Eclipse GWT plugin), I launch dev mode and try to access 
 it 
 with Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, 
 Firefox comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, 
 if I try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode 
 plugin by using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset 
 Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new 

Re: Firefox in OS X freezes in DevMode.

2013-11-09 Thread Carlos Aguayo
Thanks Colin, yeah that's what I figured, initially I thought that it would 
be a problem in the plugin given that it was only blocking Firefox and only 
in OS X (given that Chrome worked and also Firefox but under Linux).
I started debugging and got all the way there.

I doubt that it's a breakpoint or having to wait for a long time as I did 
leave the browser for a few minutes, there's no breakpoints and CPU is not 
peaking, so I'd think there's something else waiting.

I'll follow your suggestion and check now the other side, but it's good to 
know that you haven't had an issue with FF and Mavericks as then that would 
sadly imply that there's something wrong with my computer :(.

On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of the 
 socket', or in other words, wait until the JVM is ready to go. Are you sure 
 that the IDE isn't paused on a breakpoint, or that you have waited long 
 enough for the page to load? When the browser is in this state, try pausing 
 the JVM to see what the dev mode thread is doing - I'm betting it is hard 
 at work on something... but if it too is waiting for something, that could 
 be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects fwiw, 
 aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in OS 
 X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that comes 
 with the Eclipse GWT plugin), I launch dev mode and try to access it with 
 Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, Firefox 
 comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, if 
 I try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode plugin 
 by using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset 
 Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new profile, I only install the GWT plugin and 
 works for a few days, then it freezes again. I don't install anything else 
 in Firefox.

 I have tried different versions of Firefox (21, 24 and 25) and I see the 
 same behavior in all of them.

 I was wondering if anyone else could be seeing something similar and/or 
 would have any suggestions as to how to debug the GWT extension to try to 
 figure out what's going on?



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Re: Firefox in OS X freezes in DevMode.

2013-11-09 Thread Colin Alworth
If you can repro this on at least one other machine and get the details of 
what the JVM is doing, that'd be helpful. I have a very basic 
familiarity with the dev mode code from researching the FF dev mode memory 
leak, and would be happy to take a closer look. From your description it 
sounds like the JVM is either also waiting for the browser (and we'll need 
to figure out how it got into that bad state with one having ignored a 
message from the other), or the JVM is blocked on something else entirely, 
the real source of the bug. My bet is on the latter, that something funny 
is going on there.

Recent updates to Dev Mode were made for all platforms, nothing 
mac-specific, so that seems unlikely. Getting an old copy of firefox and an 
old (pre-ff25) copy of the plugin would probably be worth testing as well 
if you are able to repro this on more than one box.

Note: the FF-devmode memory leak has to do with the old pages failing to 
shut down the plugin correctly, so make certain that you don't load more 
than once. If you do, your JVM will have two different threads trying to 
talk to the browser, and it may be difficult to tell which one is the 
current one, versus the 'memory leak' one.

On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I did 
 leave the browser for a few minutes, there's no breakpoints and CPU is not 
 peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the other side, but it's good to 
 know that you haven't had an issue with FF and Mavericks as then that would 
 sadly imply that there's something wrong with my computer :(.

 On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of the 
 socket', or in other words, wait until the JVM is ready to go. Are you sure 
 that the IDE isn't paused on a breakpoint, or that you have waited long 
 enough for the page to load? When the browser is in this state, try pausing 
 the JVM to see what the dev mode thread is doing - I'm betting it is hard 
 at work on something... but if it too is waiting for something, that could 
 be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects fwiw, 
 aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in 
 OS X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that 
 comes with the Eclipse GWT plugin), I launch dev mode and try to access it 
 with Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, Firefox 
 comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, if 
 I try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode plugin 
 by using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset 
 Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new profile, I only install the GWT plugin and 
 works for a few days, then it freezes again. I don't install anything else 
 in Firefox.

 I have tried different versions of Firefox (21, 24 and 25) and I see 
 the same behavior in all of them.

 I was wondering if anyone else could be seeing something similar and/or 
 would have any suggestions as to how to debug the GWT extension to try to 
 figure out what's going on?



-- 
You received this message because you are subscribed to the Google Groups 
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/groups/opt_out.


Re: Firefox in OS X freezes in DevMode.

2013-11-09 Thread Carlos Aguayo
I really appreciate your help Colin.

At this point I believe it's some misconfiguration in my computer. I tried 
to do a jconsole on the devmode process and it said it couldn't connect to 
it. I then did a jstack and said the same but this time the utility 
suggested to use a -F to force it, when I did that, I was able to see the 
threads. I then tried to launch firefox and sudo mode, and voila, that 
worked! So I open Firefox in normal mode, it can't connect to the plugin, I 
then try it in root mode and works...

The devmode process and eclipse are running with my account, so I can't 
tell what else I could have messed up but the important is that I can work 
and move on.

I appreciate the help,

On Saturday, November 9, 2013 3:10:58 PM UTC-5, Colin Alworth wrote:

 If you can repro this on at least one other machine and get the details of 
 what the JVM is doing, that'd be helpful. I have a very basic 
 familiarity with the dev mode code from researching the FF dev mode memory 
 leak, and would be happy to take a closer look. From your description it 
 sounds like the JVM is either also waiting for the browser (and we'll need 
 to figure out how it got into that bad state with one having ignored a 
 message from the other), or the JVM is blocked on something else entirely, 
 the real source of the bug. My bet is on the latter, that something funny 
 is going on there.

 Recent updates to Dev Mode were made for all platforms, nothing 
 mac-specific, so that seems unlikely. Getting an old copy of firefox and an 
 old (pre-ff25) copy of the plugin would probably be worth testing as well 
 if you are able to repro this on more than one box.

 Note: the FF-devmode memory leak has to do with the old pages failing to 
 shut down the plugin correctly, so make certain that you don't load more 
 than once. If you do, your JVM will have two different threads trying to 
 talk to the browser, and it may be difficult to tell which one is the 
 current one, versus the 'memory leak' one.

 On Saturday, November 9, 2013 11:01:40 AM UTC-6, Carlos Aguayo wrote:

 Thanks Colin, yeah that's what I figured, initially I thought that it 
 would be a problem in the plugin given that it was only blocking Firefox 
 and only in OS X (given that Chrome worked and also Firefox but under 
 Linux).
 I started debugging and got all the way there.

 I doubt that it's a breakpoint or having to wait for a long time as I did 
 leave the browser for a few minutes, there's no breakpoints and CPU is not 
 peaking, so I'd think there's something else waiting.

 I'll follow your suggestion and check now the other side, but it's good 
 to know that you haven't had an issue with FF and Mavericks as then that 
 would sadly imply that there's something wrong with my computer :(.

 On Friday, November 8, 2013 9:20:10 PM UTC-5, Colin Alworth wrote:

 Line 155:

 ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

 That seems to say 'block until bytes are written by the other end of the 
 socket', or in other words, wait until the JVM is ready to go. Are you sure 
 that the IDE isn't paused on a breakpoint, or that you have waited long 
 enough for the page to load? When the browser is in this state, try pausing 
 the JVM to see what the dev mode thread is doing - I'm betting it is hard 
 at work on something... but if it too is waiting for something, that could 
 be a problem.

 But the recv call is *supposed* to block, at least until dev mode has 
 finished running its not-yet-JS code.

 We've had no issues with Mavericks and latest FF in our projects fwiw, 
 aside from the usual 'dev mode takes longer to do anything' fun.

 On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in 
 OS X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that 
 comes with the Eclipse GWT plugin), I launch dev mode and try to access 
 it 
 with Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, Firefox 
 comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, 
 if I try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode plugin 
 by using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset 
 Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new profile, I only install the GWT plugin and 
 works for a few days, then it freezes again. I don't install anything 
 else 
 in Firefox.

 I have tried different versions of Firefox (21, 24 and 25) and I 

Re: Firefox in OS X freezes in DevMode.

2013-11-08 Thread Colin Alworth
Line 155:

ssize_t n = recv(sock, readBuf, BUF_SIZE, 0);

That seems to say 'block until bytes are written by the other end of the 
socket', or in other words, wait until the JVM is ready to go. Are you sure 
that the IDE isn't paused on a breakpoint, or that you have waited long 
enough for the page to load? When the browser is in this state, try pausing 
the JVM to see what the dev mode thread is doing - I'm betting it is hard 
at work on something... but if it too is waiting for something, that could 
be a problem.

But the recv call is *supposed* to block, at least until dev mode has 
finished running its not-yet-JS code.

We've had no issues with Mavericks and latest FF in our projects fwiw, 
aside from the usual 'dev mode takes longer to do anything' fun.

On Thursday, November 7, 2013 10:59:18 PM UTC-6, Carlos Aguayo wrote:

 It's getting stuck in line 155 in:

 https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

 On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in OS 
 X and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that comes 
 with the Eclipse GWT plugin), I launch dev mode and try to access it with 
 Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, Firefox 
 comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, if I 
 try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode plugin by 
 using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset 
 Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new profile, I only install the GWT plugin and 
 works for a few days, then it freezes again. I don't install anything else 
 in Firefox.

 I have tried different versions of Firefox (21, 24 and 25) and I see the 
 same behavior in all of them.

 I was wondering if anyone else could be seeing something similar and/or 
 would have any suggestions as to how to debug the GWT extension to try to 
 figure out what's going on?



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Firefox in OS X freezes in DevMode.

2013-11-07 Thread Carlos Aguayo
I'm started to have issues when trying to use DevMode with Firefox in OS X 
and the only thing new is that I upgraded to Mavericks.

Here's what I see: I create a GWT sample app (the default one that comes 
with the Eclipse GWT plugin), I launch dev mode and try to access it with 
Firefox, as soon as I paste the address, the browser freezes.
It stays frozen until I stop development mode, once I do that, Firefox 
comes back to life.

Using Chrome is fine. I also have a VM setup with Linux and Firefox, if I 
try to debug through that Firefox, everything works as well.

I tried to see if there was any sort of deadlock in the devmode plugin by 
using jconsole but it says that there's no deadlock.

I have already ensured that Firefox is clean by doing a Reset Firefox

Apparently the only thing that fixes this issue is by creating a new 
profile. After I create a new profile, I only install the GWT plugin and 
works for a few days, then it freezes again. I don't install anything else 
in Firefox.

I have tried different versions of Firefox (21, 24 and 25) and I see the 
same behavior in all of them.

I was wondering if anyone else could be seeing something similar and/or 
would have any suggestions as to how to debug the GWT extension to try to 
figure out what's going on?

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To unsubscribe from this group and stop receiving emails from it, send an email 
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Re: Firefox in OS X freezes in DevMode.

2013-11-07 Thread Carlos Aguayo
It's getting stuck in line 155 in:

https://gwt.googlesource.com/gwt-plugins/+/master/common/Socket.cpp

On Thursday, November 7, 2013 7:32:28 PM UTC-5, Carlos Aguayo wrote:

 I'm started to have issues when trying to use DevMode with Firefox in OS X 
 and the only thing new is that I upgraded to Mavericks.

 Here's what I see: I create a GWT sample app (the default one that comes 
 with the Eclipse GWT plugin), I launch dev mode and try to access it with 
 Firefox, as soon as I paste the address, the browser freezes.
 It stays frozen until I stop development mode, once I do that, Firefox 
 comes back to life.

 Using Chrome is fine. I also have a VM setup with Linux and Firefox, if I 
 try to debug through that Firefox, everything works as well.

 I tried to see if there was any sort of deadlock in the devmode plugin by 
 using jconsole but it says that there's no deadlock.

 I have already ensured that Firefox is clean by doing a Reset Firefox

 Apparently the only thing that fixes this issue is by creating a new 
 profile. After I create a new profile, I only install the GWT plugin and 
 works for a few days, then it freezes again. I don't install anything else 
 in Firefox.

 I have tried different versions of Firefox (21, 24 and 25) and I see the 
 same behavior in all of them.

 I was wondering if anyone else could be seeing something similar and/or 
 would have any suggestions as to how to debug the GWT extension to try to 
 figure out what's going on?


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