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https://issues.apache.org/jira/browse/JAMES-850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618902#action_12618902
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Stefano Bagnara commented on JAMES-850:
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Looking at the attachment and the code I would say the issue is that sometimes
the time we wait for the spool to be processed is not enough:
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// Wait for empty spool
assertEquals(0, waitEmptySpool(10000));
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The problem is that 10 seconds to process 2 mails should be really enough even
on slow machines, so there must be something in locking/notification for the
RemoteDelivery threads.
I added a Thread.dumpStack on AssertionFailedError to test5
Basically what test5 expect is the sender to try a first send, one addres has a
permanent failure and one a temporary failure, so "half mail" is stored back in
outgoing and retried again for delivery multiple times.
This only happens once and then it stops: it's unlikely a deadlock, more
probably a notification issue, but let's see if the dumpStack give us hints!
I have to check the InMemorySpoolRepository to understand if
notification/locking is managed the same way of the official file/db
repositories, too.
> RemoteDeliveryTest intermitant failure
> --------------------------------------
>
> Key: JAMES-850
> URL: https://issues.apache.org/jira/browse/JAMES-850
> Project: James
> Issue Type: Test
> Affects Versions: Trunk
> Environment: GNULinux/Gentoo
> % java -version
> java version "1.5.0_16"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_16-b02, mixed mode)
> % cat /proc/cpuinfo
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 15
> model : 67
> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 5600+
> stepping : 3
> cpu MHz : 1000.000
> cache size : 1024 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 2
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
> 3dnowext 3dnow rep_good pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy
> bogomips : 2012.31
> TLB size : 1024 4K pages
> clflush size : 64
> cache_alignment : 64
> address sizes : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp tm stc
> processor : 1
> vendor_id : AuthenticAMD
> cpu family : 15
> model : 67
> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 5600+
> stepping : 3
> cpu MHz : 1000.000
> cache size : 1024 KB
> physical id : 0
> siblings : 2
> core id : 1
> cpu cores : 2
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
> 3dnowext 3dnow rep_good pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy
> bogomips : 2012.31
> TLB size : 1024 4K pages
> clflush size : 64
> cache_alignment : 64
> address sizes : 40 bits physical, 48 bits virtual
> power management: ts fid vid ttp tm stc
> Reporter: Robert Burrell Donkin
> Priority: Critical
> Attachments:
> TEST-org.apache.james.transport.mailets.RemoteDeliveryTest.txt
>
>
> Open to track information related to intermittent failures of this test
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