I am trying to use the following method from ContentService: ResultPa

anushreej over 10 years ago

I am trying to use the following method from ContentService:

ResultPage browsePaging(java.lang.Long root,
ContentFilter filter,
int startIndex_,
int batchSize_,
java.lang.Integer sortProperty_,
java.lang.Integer sortOrder_)
throws InvalidContentException,
PrivilegeException

It fails with following exception:

com.appiancorp.kougar.driver.exceptions.Signal: rank

Using the same service, its other method browse() works fine.
Kindly help in finding the cause of this error and why the paging method is failing....

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0 Eduardo Fuentes
Appian Employee
over 10 years ago

Can you paste the relevant piece of code where you are calling this method? I am interested on how you have defined your ContentFilter and the sort's you are passing.
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0 anushreej over 10 years ago

HI, the method call is as follows:

ResultPage resultPage = contentService.browsePaging(0L,new ContentFilter(ContentConstants.TYPE_COMMUNITY),0,5,
ContentConstants.COLUMN_NAME,Constants.SORT_ORDER_ASCENDING);
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0 Eduardo Fuentes
Appian Employee
over 10 years ago

1. What version of Appian are you testing this on?
2. Can you try on more than one environment to see if the issue is environment specific?
3. This works for me on Appian 7.3
4. Can you try these two lines instead?

final Long root = contentService.getIdByUuid(ContentConstants.UUID_COMMUNITY_ROOT);
ResultPage resultPage = contentService.browsePaging(root,new ContentFilter(ContentConstants.TYPE_COMMUNITY),0,5, ContentConstants.COLUMN_NAME,Constants.SORT_ORDER_ASCENDING);
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0 anushreej over 10 years ago

Hi,
I am testing this method on Appian 7.3. It was tested on two environments and both yielded the same result (the above mentioned exception).
I also tried the code snippet given by you and it is still giving the same exception.
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0 Eduardo Fuentes
Appian Employee
over 10 years ago

Do you know if at some point these environments were made a copy one of the other?

Is this an upgraded environment from a previous version?

Can you try in a clean 7.3. It would be important to determine what in the collaboration engine of those environments might be causing the issue.
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