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From Norman Maurer <nor...@apache.org>
Subject Re: ActiveMQ the cause?
Date Mon, 11 Oct 2010 11:10:11 GMT
Ok 4/5 is fixed now... Just to keep you updated..

Bye.
Norman

2010/10/11 Norman Maurer <norman@apache.org>:
> Ok at least you can reproduce it, thats good ;) Did you take a  thread dump ?
>
> Bye,
> Norman
>
>
> 2010/10/11 Eric Charles <eric@apache.org>:
>> It's the same with latest thunderbird
>> I restarted disabling 'Check for new messages on startup on all my accounts.
>> If I go quickly from one folder to another, I fall back in the endless
>> 'downloading'/'indexing'...
>> However, if I quietly click on 'Get Mail' folder per folder, it's ok.
>>
>> I think we are still with Bug 1 (Bug 2 and 3 should be resolved if 1 is
>> resolved) for IMAP, fetching simultaneously some folders.
>> Bug 4 is for amq.
>>
>> Tks,
>>
>> Eric
>>
>>
>> On 10/10/2010 20:03, Eric Charles wrote:
>>>
>>> I tried to resync thunderbird without clicking on any folder.
>>> Still the same behaviour : "downloading xxx on yyy", www on zzz,...
>>>
>>> Wireshark tells me more: I never saw such red/black lines in the tcp
>>> stream (one red/black on every 5/10 tcp packet: "segment lost").
>>> 1783    8.626604    91.183.38.48    192.168.1.12    IMAP    [TCP Previous
>>> segment lost] Response:
>>> ss.properties?rev=1005079&r1=1005078&r2=1005079&view=diff
>>>
>>> I was wondering if my cable was right:
>>> - tested plain http via cable: wireshark is green.
>>> - tested thunderbird/james via wifi : same black/red lines in wireshark.
>>>
>>> I have saved the dump and will analyze further tomorrow, but a tcp
>>> conversation selected from a "segment lost" seems ok.
>>>
>>> So for now (this may change), I think we have:
>>>
>>> 1. A client is in a stage that causes the "segment lost" tcp errors ==>
>>> Bug 1
>>> 2. Client/server conversation loops endless ==> Bug 2
>>> 3.1. James finally hangs ==> Bug 3
>>> 3.2. James finally gets oom ==> Bug 3
>>> 4. Manual stop is needed.
>>> 5. After manual stop in state 3.1 or 3.2, there's a activemq
>>> java.io.EOFException: Chunk stream does not exist at page: 0 ==> Bug 4
>>>
>>> So 4 bugs ?
>>> I will upgrade my thunderbird 3.0.3 on linux to the latest version and see
>>> if bug 1 is not resolved.
>>> Bug 4 may be resolved with 5.4.1 and latest commits for the james stop
>>> procedure.
>>>
>>> Tks,
>>>
>>> Eric
>>>
>>>
>>>
>>> On 10/10/2010 18:31, Eric Charles wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have on James 3 (trunk of 2 week ago) my INBOX with 10 subfolders, some
>>>> of these subfolders having more than 10.000 mails.
>>>> I mainly use a PC, so the IMAP sync is done regulary along the day.
>>>>
>>>> I also have another PC I synchronize once a week.
>>>> During the IMAP sync of that PC, I selected randomly some subfolders and
>>>> saw (this occured twice, but not always...):
>>>> - Thunderbird syncs well during a some minutes (10?)
>>>> - After, Thunderbird begins to say "downloading xx of yy mails".. .when
>>>> yy is reached, he says "downloading ww of zz" where zz is a little greater
>>>> than yy.
>>>> - I wait, wait, and finally have timeout, and the mails are no more
>>>> viewable in thunderbird.
>>>>
>>>> James is stucked.
>>>> The first time I had OOM (I think), today, I had no OOM, but James was no
>>>> more reachable via IMAP, though accepting mails via SMTP.
>>>>
>>>> I stopped, and when restarting, I had the following exception (James was
>>>> not usable anymore):
>>>> INFO  18:16:37,646 | org.apache.activemq.store.kahadb.plist.PListStore |
>>>> PListStore:activemq-data/localhost/tmp_storage started
>>>> INFO  18:16:37,648 | org.apache.activemq.broker.BrokerService | Using
>>>> Persistence Adapter:
>>>> KahaDBPersistenceAdapter[activemq-data/localhost/KahaDB]
>>>> INFO  18:16:38,248 | org.apache.activemq.store.kahadb.plist.PListStore |
>>>> PListStore:../data/localhost/tmp_storage started
>>>> ERROR 18:16:38,301 | org.apache.activemq.broker.BrokerService | Failed to
>>>> start ActiveMQ JMS Message Broker. Reason: java.io.EOFException: Chunk
>>>> stream does not exist at page: 0
>>>> java.io.EOFException: Chunk stream does not exist at page: 0
>>>>        at
>>>> org.apache.kahadb.page.Transaction$2.readPage(Transaction.java:454)
>>>>        at
>>>> org.apache.kahadb.page.Transaction$2.<init>(Transaction.java:431)
>>>>        at
>>>> org.apache.kahadb.page.Transaction.openInputStream(Transaction.java:428)
>>>>        at org.apache.kahadb.page.Transaction.load(Transaction.java:404)
>>>>        at org.apache.kahadb.page.Transaction.load(Transaction.java:361)
>>>>        at
>>>> org.apache.activemq.store.kahadb.MessageDatabase$1.execute(MessageDatabase.java:243)
>>>>        at
>>>> org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
>>>>        at
>>>> org.apache.activemq.store.kahadb.MessageDatabase.loadPageFile(MessageDatabase.java:230)
>>>>        at
>>>> org.apache.activemq.store.kahadb.MessageDatabase.open(MessageDatabase.java:309)
>>>>        at
>>>> org.apache.activemq.store.kahadb.MessageDatabase.load(MessageDatabase.java:353)
>>>>        at
>>>> org.apache.activemq.store.kahadb.MessageDatabase.doStart(MessageDatabase.java:217)
>>>>        at
>>>> org.apache.activemq.store.kahadb.KahaDBStore.doStart(KahaDBStore.java:178)
>>>>
>>>> Sounds l ike https://issues.apache.org/activemq/browse/AMQ-2935.
>>>>
>>>> To solve it, I had to remove the activemq-data directory (btw, 2 weeks
>>>> ago was activemq 5.4.0 with 2 brokers started and activemq-data in bin
>>>> directory).
>>>>
>>>> I made a test to restart from scratch my account in thunderbird, and it
>>>> was OK.
>>>>
>>>> Is it because it does a incremental sync and I select different folders
>>>> (just to make things complicated :) ) during the download ?
>>>>
>>>> Anyway, it is not easy to reproduce.
>>>> Activemq 5.4.1. may be worth to try, but I'm not sure it the the cause...
>>>>
>>>> Tks,
>>>>
>>>> Eric
>>>>
>>>>
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>>>>
>>>
>>>
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>>>
>>
>>
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>>
>

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