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Home » Eclipse Projects » Test and Performance Tools Platform (TPTP) » "Fetching children of data collector" task hangs
"Fetching children of data collector" task hangs [message #135394] Wed, 03 September 2008 08:42 Go to next message
Eclipse User
Originally posted by: torbjorn.ghostwriter.no

When opening the "Profile Configurations" dialog, a task called "Fetching
children of data collector" task starts and never stops. It says its
"filtering data collectors" at 0%. The contents of the "Monitor" tab is
constantly "Pending..."

I've uninstalled the TPTP plugins and started eclipse with -clean, but
nothing seems to help. Is there something I can do to fix this, or should I
file a bug?

I've installed the following TPTP plugins (using P2):
Log and Trace Analyzer
Monitoring Tools Project
Platform Project
Reporting with BIRT
Re: "Fetching children of data collector" task hangs [message #135701 is a reply to message #135394] Sun, 14 September 2008 13:38 Go to previous messageGo to next message
Asaf Yaffe is currently offline Asaf Yaffe
Messages: 333
Registered: July 2009
Senior Member
Which version of Eclipse and TPTP are you using? On what operating system?

--
Asaf Yaffe
Eclipse TPTP Committer, JVMTI Profiler
Re: "Fetching children of data collector" task hangs [message #135715 is a reply to message #135701] Mon, 15 September 2008 12:20 Go to previous messageGo to next message
cerisara is currently offline cerisara
Messages: 2
Registered: July 2009
Junior Member
Asaf Yaffe wrote:

> Which version of Eclipse and TPTP are you using? On what operating system?

Hi,

I have exactly the same problem: I just downloaded a fresh version of
"Eclipse for java developer" + software update to get all the TPTP plugins
into "test and profile".

I'm on linux mandriva 2006.

Another clue: while it's "fetching...", after a few minutes, I have the
following error in the terminal from which I launched eclipse:

Exception in thread
"org.eclipse.hyades.execution.core.task.ReusableThread@837986"
java.lang.NullPointerException
at
org.eclipse.hyades.execution.local.util.AgentControllerDescr iptor.versionIsAtLeast(AgentControllerDescriptor.java:67)
at
org.eclipse.hyades.execution.local.util.AgentControllerDescr iptor.isVersionAtLeast(AgentControllerDescriptor.java:194)
at
org.eclipse.hyades.execution.local.file.FileManagerFactory$3 .run(FileManagerFactory.java:413)
at
org.eclipse.hyades.execution.core.task.ReusableThread.run(Re usableThread.java:131)
at java.lang.Thread.run(Thread.java:619)

Thanks a lot for your help,

Regards,
Christophe
Re: "Fetching children of data collector" task hangs [message #135738 is a reply to message #135715] Tue, 16 September 2008 09:27 Go to previous messageGo to next message
Martin Flower is currently offline Martin Flower
Messages: 1
Registered: July 2009
Junior Member
I have the same problem

Windows XP
Java 1.4
Eclipse 3.4
Re: "Fetching children of data collector" task hangs [message #135771 is a reply to message #135738] Tue, 16 September 2008 11:09 Go to previous messageGo to next message
cerisara is currently offline cerisara
Messages: 2
Registered: July 2009
Junior Member
OK, it's pretty weird: I didn't touched to my eclipse since yesterday
(just maybe close and reopen it), but now TPTP is working fine !
It's not pending anymore, monitors are listed within a few seconds.

I'm sorry, but I have no explanation: no install, nothing... ?!

Maybe a conflict with another (sleeping, zombi,...) process ?...

Christophe
Re: "Fetching children of data collector" task hangs [message #135821 is a reply to message #135738] Tue, 16 September 2008 12:14 Go to previous messageGo to next message
Asaf Yaffe is currently offline Asaf Yaffe
Messages: 333
Registered: July 2009
Senior Member
Martin Flower wrote:
> I have the same problem
>
> Windows XP
> Java 1.4
> Eclipse 3.4
>
>

Eclipse 3.4 and TPTP 4.5 require Java 1.5 or later. Make sure to launch
Eclipse with an 1.5 (or later) JVM.

HTH,
Asaf

--
Asaf Yaffe
Eclipse TPTP Committer, JVMTI Profiler
Re: "Fetching children of data collector" task hangs [message #138534 is a reply to message #135715] Wed, 19 November 2008 18:56 Go to previous messageGo to next message
Kit Fitzpatrick is currently offline Kit Fitzpatrick
Messages: 1
Registered: July 2009
Junior Member
I have the same problem. I'm on Ubuntu 8.10 with a fresh install of
Eclipse 3.4.1. I used the software update to install TPTP.
Re: "Fetching children of data collector" task hangs [message #512917 is a reply to message #138534] Mon, 08 February 2010 11:06 Go to previous messageGo to next message
Samira  is currently offline Samira
Messages: 10
Registered: November 2009
Junior Member
I've the same problem!

I'm using win xp,

downloaded the tptp (All in one) from:
http://www.eclipse.org/downloads/download.php?file=/tptp/4.6 .1/TPTP-4.6.1/tptp.runtime.allInOne.win32.win32.x86-TPTP-4.6 .1.zip

Version: 3.5.0
Build id: I20090611-1540


fast response is highly appreciated Very Happy
Re: "Fetching children of data collector" task hangs [message #513020 is a reply to message #512917] Mon, 08 February 2010 10:40 Go to previous messageGo to next message
Eugene Chan is currently offline Eugene Chan
Messages: 287
Registered: July 2009
Senior Member
Hi,

Please try the following: (Assuming you are doing local profile)
- Close Eclipse workbench
- Check in Task Manager to ensure there is no dangling eclipse.exe, java.exe
and ACServer.exe running no the machine.
- Restart Eclipse workbench with a fresh workbench
- Go to Windows > Preferences > Agent Controller > Host, select "localhost"
and Test Connection, make sure the AC is connected with no problem.
- Open a Profile Launch Configuration and try fetch the agent again.

Eugene

"Samira" <samira.negm@gmail.com> wrote in message
news:hkor7j$up9$1@build.eclipse.org...
> I've the same problem!
>
> I'm using win xp,
> downloaded the tptp (All in one) from:
> http://www.eclipse.org/downloads/download.php?file=/tptp/4.6 .1/TPTP-4.6.1/tptp.runtime.allInOne.win32.win32.x86-TPTP-4.6 .1.zip
>
> Version: 3.5.0
> Build id: I20090611-1540
>
> fast response is highly appreciated :d
Re: "Fetching children of data collector" task hangs [message #513047 is a reply to message #513020] Mon, 08 February 2010 16:32 Go to previous messageGo to next message
Samira  is currently offline Samira
Messages: 10
Registered: November 2009
Junior Member
thaaaaaaaaaaaaaaaaanks!!!!!!!!

it worked Very Happy
Re: "Fetching children of data collector" task hangs [message #513271 is a reply to message #513047] Tue, 09 February 2010 15:21 Go to previous messageGo to next message
Eugene Chan is currently offline Eugene Chan
Messages: 287
Registered: July 2009
Senior Member
Hi Samira,

Glad to know it is working now.
The problem could be a dangling AC (Intergrated Agent Controller) process
which maybe the result of an abnormal shutdown of either a Profiling Agent
or the Eclipse workbench.

Eugene

"Samira" <samira.negm@gmail.com> wrote in message
news:hkpeb4$9en$1@build.eclipse.org...
> thaaaaaaaaaaaaaaaaanks!!!!!!!!
>
> it worked :d
Re: "Fetching children of data collector" task hangs [message #650874 is a reply to message #135394] Wed, 26 January 2011 23:42 Go to previous messageGo to next message
No real name is currently offline No real name
Messages: 1
Registered: January 2011
Junior Member
I'm experiencing this problem as well, and the solution above didn't work. I'm running TPTP all-in-one 4.7.1a on Ubuntu 8.10 (Intrepid). Like everyone else has said, the "Fetching children of data collector" task starts and never stops and a bunch of NullPointerExceptions get printed out to console.

any help would be appreciated.

thanks

- dan
Re: "Fetching children of data collector" task hangs [message #651809 is a reply to message #650874] Tue, 01 February 2011 17:03 Go to previous messageGo to next message
Uthi is currently offline Uthi
Messages: 1
Registered: February 2011
Junior Member
Local profiling works but remote profiling doesnt.
Keep getting the same message and cant proceed.

Fetching children of data collector (16%)

Server on Linux
Eclipse on Windows XP
Java 1.6
TPTP Profile on Server Version: 4.5.1

Any help is much appreciated.
Re: "Fetching children of data collector" task hangs [message #717067 is a reply to message #651809] Fri, 19 August 2011 08:04 Go to previous message
vkvk  is currently offline vkvk
Messages: 1
Registered: August 2011
Junior Member
Just uncheck the check box "Contact all update sites during install to find required software" in the "install new software" dialog.
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