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From "Vincent Tang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CMIS-871) Client API Atompub binding - getContentChanges still sends change log token even though I specify null for the changeLogToken parameter
Date Thu, 20 Nov 2014 18:40:34 GMT

    [ https://issues.apache.org/jira/browse/CMIS-871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14219752#comment-14219752
] 

Vincent Tang commented on CMIS-871:
-----------------------------------

My test code is very simple.

1. Create session
2. Get repository info which will get the latest change log token, cache the change log token
3. Create a bunch of documents, delete some, update some so that the change events will be
created after we retrieve the latest change log token in step 2.
4. Call getContentChanges with null for changeLogToken
5. Delete these documets

The junit code of step 4 is below

    @Test
    public void testGetContentChangesWithoutChangeLogToken() throws Exception {
        logger.info("************************** testGetContentChangesWithoutChangeLogToken
*********************");
        ItemIterable<ChangeEvent> changeEvents = session.getContentChanges(null, false);
        assertNotNull(changeEvents);
        logger.info("Number of Change events: " + changeEvents.getTotalNumItems());
    }

I captured HTTP messages using TCPMON. I posted the complete trace below. The only getContentChanges
is the 3rd last one. It has a change log token. 

GET /fncmis/resources/Service?repositoryId=ICNAutomation HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content?path=%2F&filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Type/cmis%3Afolder HTTP/1.1
GET /fncmis/resources/ICNAutomation/ContentFlat/idf_0F1E2D3C-4B5A-6978-8796-A5B4C3D2E1F0?includeAllowableActions=true&includeRelationships=none&renditionFilter=cmis%3Anone&includePathSegment=true&maxItems=100&skipCount=0
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idf_6FEB6A26-7438-4B7C-BA7C-82A3FD4D93FB?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idf_6FEB6A26-7438-4B7C-BA7C-82A3FD4D93FB?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_6FEB6A26-7438-4B7C-BA7C-82A3FD4D93FB
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Type/cmis%3Adocument HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_29ACEDB9-D075-4FA2-B062-2733ED5FB329?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_79F812B4-0AC8-4461-BC00-ECB9DF5A13C4?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_D270A01F-6712-40ED-8A78-D36645FE8CB6?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_D079C925-9998-4E56-A9DF-B57B62D7BDE7?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_4967AC5A-AEC1-4E6B-BB2A-3CFE79915CD7?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_F2C8A180-83E4-48C1-B508-9F12F5DC3B2B?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_02CFFB5F-49E1-4AB1-8E50-469ADF655695?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_4E4E53DB-C735-49F3-8823-236E903BB6C2?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_A92B1782-9DC1-486C-80C3-86F0846AF78D?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_97365CF7-3E18-4156-8BFC-FA96D574D18A?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_1A2E1C89-C6B7-47BE-AE9A-BC16A51B8535?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_15A975B9-24CF-4B02-BC67-8900AF77F235?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_CF226707-DC83-426B-B6B9-A058110DA629?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_2719943B-0085-40B3-B956-C026F3276CB0?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_21D55085-7ECB-49CA-86B3-1B78AB8C88B4?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_F9C7EB90-725A-4AAE-A9AD-785C29C78AD3?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
POST /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?versioningState=major
HTTP/1.1
GET /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?includeAllowableActions=true&includeRelationships=none&renditionFilter=cmis%3Anone&includePathSegment=true&maxItems=100&skipCount=0
HTTP/1.1
DELETE /fncmis/resources/ICNAutomation/Content/idd_5347520A-B0FC-4001-8C89-716367D90E52?allVersions=true
HTTP/1.1
DELETE /fncmis/resources/ICNAutomation/Content/idd_F9C7EB90-725A-4AAE-A9AD-785C29C78AD3?allVersions=true
HTTP/1.1
DELETE /fncmis/resources/ICNAutomation/Content/idd_21D55085-7ECB-49CA-86B3-1B78AB8C88B4?allVersions=true
HTTP/1.1
GET /fncmis/resources/ICNAutomation/ContentFlat/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?includeAllowableActions=true&includeRelationships=none&renditionFilter=cmis%3Anone&includePathSegment=true&maxItems=100&skipCount=0
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_2719943B-0085-40B3-B956-C026F3276CB0?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
PUT /fncmis/resources/ICNAutomation/Content/idd_2719943B-0085-40B3-B956-C026F3276CB0?changeToken=0
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_2719943B-0085-40B3-B956-C026F3276CB0?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_2719943B-0085-40B3-B956-C026F3276CB0?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_CF226707-DC83-426B-B6B9-A058110DA629?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
PUT /fncmis/resources/ICNAutomation/Content/idd_CF226707-DC83-426B-B6B9-A058110DA629?changeToken=0
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_CF226707-DC83-426B-B6B9-A058110DA629?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idd_CF226707-DC83-426B-B6B9-A058110DA629?filter=&includeAllowableActions=true&includeACL=false
HTTP/1.1
GET /fncmis/resources/ICNAutomation/changes?changeLogToken=1017991.0&includeProperties=false&includePolicyIds=false&includeACL=false&maxItems=2147483647
HTTP/1.1
GET /fncmis/resources/ICNAutomation/Content/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?filter=cmis%3AobjectId&includeAllowableActions=false&includeACL=false
HTTP/1.1
DELETE /fncmis/resources/ICNAutomation/ContentTree/idf_BD4A8268-71EF-45B0-8C13-C57F8A302000?allVersions=true&unfileObjects=delete&continueOnFailure=true
HTTP/1.1


> Client API Atompub binding - getContentChanges still sends change log token even though
I specify null for the changeLogToken parameter
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CMIS-871
>                 URL: https://issues.apache.org/jira/browse/CMIS-871
>             Project: Chemistry
>          Issue Type: Bug
>          Components: opencmis-client
>    Affects Versions: OpenCMIS 0.12.0
>         Environment: Windows 64 bits
>            Reporter: Vincent Tang
>              Labels: getContentChanges
>
> I found 2 OpenCMIS Client API problems in my test to use OpenCMIS Client API Session.getContentChanges(String
changeLogToken, boolean includeProperties). 
> The test is calling it like session.getContentChanges(null, false); You see I set null
to changeLogToken. Based on my understanding of CMIS specification, I assume that the API
would not include a change log token in the request.
> The problems I found are
> 1. OpenCMIS API send a changeLogToken anyway in Atompub binding but null in Web services
binding. The latter is compliant with CMIS specification but the former is not. I think the
OpenCMIS API in Atompub binding has a bug.
> 2. This API sends a default maxItems in request because our test doesn't specify one.
However OpenCMIS API sends an unreasonable maxItem 2147483647. I think it is the maximum value
of a java integer. It causes different effect in Atompub and web services bindings.
>     In Atompub binding, because of the bug (a change log token is passed in), CMIS passed
the change log token and the maxItems in the query, the query returns the change events after
the change log token. Therefore the test cases passed.
>     In web services binding, the null value change log token and the maxItems will effectively
return the entire change log from the repository. It causes the query hang and eventually
timed out after 300 seconds.
> This JIRA is reporting the first problem. I am not sure if the second problem (maxItems
= 2147483647 by default) is a problem. Because CMIS specification doesn't say anything about
the default maxItems. We will do something at server side to prevent such a unreasonable maxItems
to be used in query.



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