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  Thread: Unable to Download new Tasks - No close tag in scheduler reply[RESOLVED]

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Mumak
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Re: Unable to Download new Tasks - No close tag in scheduler reply
Hm, some more oddity.. Got a few tasks recently, but all are MCM v7.26
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[Edit 1 times, last edit by Mumak at Dec 18, 2013 4:33:27 PM]
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nanoprobe
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Re: Unable to Download new Tasks - No close tag in scheduler reply
I am now experiencing this issue on 1 machine. I'll e-mail the files requested when I get home.
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In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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OldChap
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Re: Unable to Download new Tasks - No close tag in scheduler reply
Files sent.

I will show below the log of what happened when I hit the "project allow new work" button in BoincTasks. To my knowledge I had not suspended work previously so I hope this is pertinent.

    0136 World Community Grid 18/12/2013 15:43:44 [error] No close tag in scheduler reply
    30137 World Community Grid 18/12/2013 16:05:40 Sending scheduler request: To report completed tasks.
    30138 World Community Grid 18/12/2013 16:05:40 Reporting 118 completed tasks
    30139 World Community Grid 18/12/2013 16:05:40 Requesting new tasks for CPU
    30140 World Community Grid 18/12/2013 16:05:43 [error] Can't parse workunit in scheduler reply: unexpected XML tag or syntax
    30141 World Community Grid 18/12/2013 16:05:43 [error] No close tag in scheduler reply
    30142 World Community Grid 18/12/2013 16:29:27 Computation for task MCM1_0000652_4970_1 finished
    30143 World Community Grid 18/12/2013 16:29:27 Starting task MCM1_0000680_6732_1 using mcm1 version 728 in slot 21
    30144 World Community Grid 18/12/2013 16:29:30 Started upload of MCM1_0000652_4970_1_0
    30145 World Community Grid 18/12/2013 16:29:35 Finished upload of MCM1_0000652_4970_1_0
    30146 World Community Grid 18/12/2013 16:38:39 Computation for task MCM1_0000652_0048_2 finished
    30147 World Community Grid 18/12/2013 16:38:39 Starting task MCM1_0000680_6651_1 using mcm1 version 728 in slot 24
    30148 World Community Grid 18/12/2013 16:38:41 Started upload of MCM1_0000652_0048_2_0
    30149 World Community Grid 18/12/2013 16:38:47 Finished upload of MCM1_0000652_0048_2_0
    30150 World Community Grid 18/12/2013 16:53:53 work fetch resumed by user <Notice this when I hit resume
    30151 World Community Grid 18/12/2013 17:00:23 Computation for task MCM1_0000652_9698_1 finished
    30152 World Community Grid 18/12/2013 17:00:23 Starting task MCM1_0000680_6157_0 using mcm1 version 728 in slot 12
    30153 World Community Grid 18/12/2013 17:00:25 Started upload of MCM1_0000652_9698_1_0
    30154 World Community Grid 18/12/2013 17:00:31 Finished upload of MCM1_0000652_9698_1_0
    30155 World Community Grid 18/12/2013 17:03:34 Sending scheduler request: To report completed tasks.
    30156 World Community Grid 18/12/2013 17:03:34 Reporting 121 completed tasks
    30157 World Community Grid 18/12/2013 17:03:34 Requesting new tasks for CPU
    30158 World Community Grid 18/12/2013 17:03:38 Scheduler request completed: got 4 new tasks
    30159 World Community Grid 18/12/2013 17:03:38 Resent lost task MCM1_0000548_5250_3
    30160 World Community Grid 18/12/2013 17:03:38 Resent lost task MCM1_0000432_1076_2
    30161 World Community Grid 18/12/2013 17:03:38 Resent lost task MCM1_0000432_1778_2
    30162 World Community Grid 18/12/2013 17:03:38 Resent lost task MCM1_0000432_1666_2
    30163 World Community Grid 18/12/2013 17:03:40 Started download of MCM1_0000548_5250_MCM1_0000548_5250.txt
    30164 World Community Grid 18/12/2013 17:03:40 Started download of MCM1_0000432_1076_MCM1_0000432_1076.txt
    30165 World Community Grid 18/12/2013 17:03:40 Started download of MCM1_0000432_1778_MCM1_0000432_1778.txt
    30166 World Community Grid 18/12/2013 17:03:40 Started download of MCM1_0000432_1666_MCM1_0000432_1666.txt
    30167 World Community Grid 18/12/2013 17:03:42 Finished download of MCM1_0000548_5250_MCM1_0000548_5250.txt
    30168 World Community Grid 18/12/2013 17:03:42 Finished download of MCM1_0000432_1076_MCM1_0000432_1076.txt
    30169 World Community Grid 18/12/2013 17:03:42 Finished download of MCM1_0000432_1778_MCM1_0000432_1778.txt
    30170 World Community Grid 18/12/2013 17:03:42 Finished download of MCM1_0000432_1666_MCM1_0000432_1666.txt
    30171 World Community Grid 18/12/2013 17:03:42 [cpu_sched] Preempting MCM1_0000680_6616_1 (left in memory)
    30172 World Community Grid 18/12/2013 17:03:42 [cpu_sched] Preempting MCM1_0000680_6732_1 (left in memory)
    30173 World Community Grid 18/12/2013 17:03:42 [cpu_sched] Preempting MCM1_0000680_6651_1 (left in memory)
    30174 World Community Grid 18/12/2013 17:03:42 [cpu_sched] Preempting MCM1_0000680_6157_0 (left in memory)
    30175 World Community Grid 18/12/2013 17:03:42 Starting task MCM1_0000548_5250_3 using mcm1 version 728 in slot 32
    30176 World Community Grid 18/12/2013 17:03:42 Starting task MCM1_0000432_1076_2 using mcm1 version 728 in slot 33
    30177 World Community Grid 18/12/2013 17:03:42 Starting task MCM1_0000432_1666_2 using mcm1 version 728 in slot 34
    30178 World Community Grid 18/12/2013 17:03:42 Starting task MCM1_0000432_1778_2 using mcm1 version 728 in slot 35
    30179 World Community Grid 18/12/2013 17:06:14 Computation for task MCM1_0000653_7530_1 finished
    30180 World Community Grid 18/12/2013 17:06:14 [cpu_sched] Resuming MCM1_0000680_6616_1
    30181 World Community Grid 18/12/2013 17:06:14 Resuming task MCM1_0000680_6616_1 using mcm1 version 728 in slot 14
    30182 World Community Grid 18/12/2013 17:06:16 Started upload of MCM1_0000653_7530_1_0
    30183 World Community Grid 18/12/2013 17:06:23 Finished upload of MCM1_0000653_7530_1_0
    30184 World Community Grid 18/12/2013 17:06:44 Sending scheduler request: To fetch work.
    30185 World Community Grid 18/12/2013 17:06:44 Reporting 1 completed tasks
    30186 World Community Grid 18/12/2013 17:06:44 Requesting new tasks for CPU
    30187 World Community Grid 18/12/2013 17:06:48 Scheduler request completed: got 1 new tasks
    30188 World Community Grid 18/12/2013 17:06:50 Started download of MCM1_0000533_9138_MCM1_0000533_9138.txt
    30189 World Community Grid 18/12/2013 17:06:52 Finished download of MCM1_0000533_9138_MCM1_0000533_9138.txt
    30190 World Community Grid 18/12/2013 17:09:54 Sending scheduler request: To fetch work.
    30191 World Community Grid 18/12/2013 17:09:54 Requesting new tasks for CPU
    30192 World Community Grid 18/12/2013 17:09:56 Scheduler request completed: got 0 new tasks
    30193 World Community Grid 18/12/2013 17:09:56 No tasks sent
    30194 World Community Grid 18/12/2013 17:09:56 No tasks are available for Mapping Cancer Markers

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knreed
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Re: Unable to Download new Tasks - No close tag in scheduler reply
As of about 60 minutes ago, this problem should no longer be occurring. The problem is related to the BOINC server mechanism that sends a deprecated app version to finish a workunit that was started with that deprecated app version. We have not implemented a code fix yet, but we went ahead and updated all outstanding workunits to use the newer app version since the result files should be identical. This immediately resolves the issue for the volunteers.

We know most of the conditions that it occurs under so we will reproduce the issue on our development servers and work on a fix.

biggrin THANK YOU to everyone who sent me their files as it helped narrow down the issue and figure out where in the code it was occurring.
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[Edit 2 times, last edit by knreed at Dec 18, 2013 6:11:23 PM]
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Former Member
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Re: Unable to Download new Tasks - No close tag in scheduler reply
Thanks Kevin...... biggrin
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nanoprobe
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Re: Unable to Download new Tasks - No close tag in scheduler reply
No more error messages. Now getting this in the event log.
12/18/2013 1:41:34 PM | World Community Grid | Sending scheduler request: To fetch work.
12/18/2013 1:41:34 PM | World Community Grid | Requesting new tasks for CPU
12/18/2013 1:41:37 PM | World Community Grid | Scheduler request completed: got 0 new tasks
12/18/2013 1:41:37 PM | World Community Grid | No tasks sent
12/18/2013 1:41:37 PM | World Community Grid | No tasks are available for Mapping Cancer Markers
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In 1969 I took an oath to defend and protect the U S Constitution against all enemies, both foreign and Domestic. There was no expiration date.
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knreed
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Re: Unable to Download new Tasks - No close tag in scheduler reply
Here is what we are doing to address the new issue: http://www.worldcommunitygrid.org/forums/wcg/viewthread_thread,36060
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