All portlet instances disappeared !

and the only error i found in log file is this
####<Jul 8, 2010 3:28:45 PM EEST> <Info> <EJB> <DCVISDEVAPP3> <PortalServer> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <weblogic> <BEA1-041D296664FBE10BF341> <> <1278592125517> <BEA-010227> <EJB Exception occurred during invocation from home or business: com.bea.netuix.application.manager.persistence.jdbc.PortalCustomizationManager_z7jdbo_HomeImpl@347fd24a threw exception: javax.ejb.EJBException: SQL Error while trying to username on weblogic: SQL [delete from PF_PORTLET_INSTANCE where PORTLET_INSTANCE_ID in (select PI.PORTLET_INSTANCE_ID from PF_PLACEMENT PL, PF_PORTLET_INSTANCE PI where PL.DESKTOP_INSTANCE_ID = ? and PL.PORTLET_INSTANCE_ID = PI.PORTLET_INSTANCE_ID and PI.INSTANCE_TYPE = ?)] database error code [60] SQL state [61000] 2263.; nested exception is: java.sql.SQLException: ORA-00060: deadlock detected while waiting for resource
>

Interesting.
If you are starting multiple managed servers together, you can try it one at a time. You might ask your DBA to enable whatever traces are needed to diagnose deadlocks
regards
deepak

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Finding all portlet instances used in a specific page group?

Is there a way of retrieving all the unique portlet instance ID's (reference path) used in a specific page group???

Is there a way of retrieving all the unique portlet instance ID's (reference path) used in a specific page group???

Need to get list of all portlet instances in system

Hi guys
Probably such question already was here, but I cant find any solution.
I need to get list of instance labels of all portlets used on all desktops in current domain.
Thanks for help.
Edited by AndreW at 04/08/2008 8:23 AM

Hi
you havent told me the version you are using.
For 8.1 (and i suppose you should have similar classes in 10)
get a IDesktopDefinitionManager from the DesktopDefinitionManagerHome
IDesktopDefinitionManager.getDesktopDefinitions --> gets all the definition
for each definition IDesktopDefinitionManager.getDesktopView
from the desktopView get the Primary BookView.
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regards
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Struts portlet Instance Label problem: Appending the html tags in jsp

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If I have a java Portlet with a public portlet parameter, and I put two portlet instance (same portlet) on the same page.
Can page designer assign different value for the public portlet parameter of different portlet instance?
Or the question is:
Is public portlet parameter per portlet definition, or per portlet instance?

Hi Derek,
Let me give it shot. Gurus correct me if I am wrong!!
In an hosted environment we can have multiple Organizations or Organization units that may be catered with a single Oracle9iAS Portal instance. In which case each of these Organizations / Organization units will be Subscribers to the Oracle9iAS Portal and will have an unique Subscriber ID. A company name is a part of the Subscriber profile so a subscriber has a Company that it belongs to. So if the Marketing dept. of a 'X' company is a subscriber to Oracle9iAS Portal, then this Subscriber will have a Subscriber ID associated to it and the Company that he belongs to is 'X'. So we can have a Company who has one or more subscribers to Oracle9iAS Portal.
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Take care,
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Portlet Instance Identifier.

Hi All,
It is my understanding that the when we put portlet into a desktop(as a part of
creating desktop either from ".portal" template OR by way of assembling), specific
portlet instance will be uniquely identified by its instance ID.
If we have to attach some properties for this portlet,which would help in achieving
some business functionality, we can use instance ID as identifier in our applicaton
specific table to store/retrieve the values.
Can somebody validate this??
TIA,
Prashanth Bhat.

Thanks for the reply. I have gone through the article on portlet preferences by
Subbu. But some of the things are clear and some are not.
1. As per Subbu, we cannot depend upon Instance IDs. That means we cannot have
this as PK to store data.
my comment : If this is the case, then what is the unique identifier of portlet
instance??.
2. Subbu says that to store any application specific data these are to be followed
     Setup:
o     Add a preference to your portlet. This preference will act as the primary key
to your portlet’s application data. Assign a default value for this preference.
o     Create tables in your database to store application data with the value of the
preference as the primary key.
·     In your portlet:
o     When you want to associate application data with the current portlet instance,
check the value of the preference. If the value is the default, generate a new
value (for example, using a sequence number generator), and set this as the value
of the preference, and store the preference.
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this PK (for application data) at later point of time. And also, only a specific
user who has stored a value can only retrieve. But if i want application data
not for each user but for whole portlet itself, then how can i use this??
o     If the value of the preference is not the default, no need to generate a new
value.
o     Now store your application data using the value of the preference as the primary
key.
my comment : If this is possibility, then if portlet is designed to serve many
users and configured by a admin,
in such cases, how can we tie the portlet instance with application specific data??
As the storing is very much tied to a user, if application data is not for
a user rather for all the users and the admin user configures/stores what
to be displayed for a user. In such cases, WLP user has left with no choice
to store any application speific data as we cannot depend on portlet
instance.
Hope,somebody answers this.
Thanks,
Prashanth Bhat.
"Prashanth " <[email protected]> wrote:
>
Thanks Dennis - I got it on how to duplicate the portlet.
"Dennis" <[email protected]> wrote:
I have a base sp2 instatllation too. The duplicate functionality is
not on the
portlet page itself, but on the 'All portlets' page where it lists all
the portlets
in the library. On the right there is a duplicate button for each portlet.
Wrt. your question about preferences, given your use case, I don't believe
the
API currently supports it and only supports the scenario where the preference
is tied to the user, rather than the portlet.
"Prashanth " <[email protected]> wrote:
Thanks for the reply. I am using Portal 8.1 SP2. There is no possibility
of duplicating
the portlet definition through portal admin tool (from library) .
I am wondering whether this is available in SP3 ?? OR should I apply
some patch
to get this functionality??
Pls direct me on this.
Thanks,
Prashanth Bhat.
"Dennis" <[email protected]> wrote:
If each documentum portlet should be different from others, and allbased
on the
same template, you may look at creating new definitions in the admin
t
ool. In
the portal tab, click on library, and then 'All Portlets', on thispage,
you will
be able to duplicate portlets. This will make a duplicate definition
rather than
a duplicate instance. You can then use the definition id to persist
data against.
I think preferences could also work for you, since there appears tobe
several
levels of scope you can set the preference at in portal. For example,
you can
set them in the admin tool and make them read only, thus all instances
and children
of those instances will inherit the preferences of the definition.
Dennis
"Prashanth " <[email protected]> wrote:
Thanks for the reply and clarification. I would explain our scenario:
We have a portlet which is interacting with Documentum. This has
been
designed
as a very general and configurable portlet. This portlet has to bring
all the
documents from Documentum from a specific folder. The folder namehas
to be a
configurable property and will be set by so called Content Administrator.
Depending on the folder for which a portlet is mapped to,the end
user
gets documents
accordingly.
I have used portlet preference for this, but it will not work properly.
The reason
for this is that, content admin will set the values for this preference
where
as this has to be used by all the users.
As portlet preferences values are stored as user specific(the onewho
saves can
see his value and not by anybody else), I cannot use this feature.
Based on the above scenario, can you pls suggest me what is the best
way to do
this??
Thanks in advance,
Prashanth Bhat.
"Dennis" <[email protected]> wrote:
It's a bit more complicated than that. The scenario you state is
true
for non-personalized
desktops. As soon as you start personalizing it, the framework
creates
a 'child'
portlet with a new instance id that has the original portlet instance
id as its
parent. Thus, if you use the instance id, and you do not checkto
see
if the
portlet id is a child or parent id, you could become unstuck.
Added to this, a document about portlet preferences by Subbu on
dev2dev
stated
that the portal framework could change the the portlet instanceid
at
any time.
Unfortunately the article did not go on to list an exhaustive listof
situations
in which this occurs. The only assumption we can make is thus thatthe
portal
framework will take care of dependencies on the instance id that
it
knows
about,
which in your case won't help because it does not know about your
new
instance
id -> properties relationships.
You might consider using the definition id to match properties against,
or you
might use portlet preferences.
Cheers
Dennis
"Prashanth " <[email protected]> wrote:
Hi All,
It is my understanding that the when we put portlet into a desktop(as
a part of
creating desktop either from ".portal" template OR by way of assembling),
specific
portlet instance will be uniquely identified by its instance ID.
If we have to attach some properties for this portlet,which wouldhelp
in achieving
some business functionality, we can use instance ID as identifierin
our applicaton
specific table to store/retrieve the values.
Can somebody validate this??
TIA,
Prashanth Bhat.

Multiple Portlet Instances

Hi,
I need deploy multiple portlet instances of the same portlet with different
parameters.
What I means is I have 4 different pieces of conent which look same and can
be served by same portlet. So I need to define different instances of the
portlet with a parameter to pick different content.
How can I do this using Weblogic Portal Server4.0
Regards,
UDay

Hi Michael,
We explored this option, but will we need to know the Portalet id to get
the properties, to get a portlet id we need to use a unpublished api. Is
there a forward compatible way of doing this???
Regards,
UDay
"Michael Goldverg" <[email protected]> wrote in message
news:[email protected]...
Uday,
You can use product catalog store provided by WLP to store portlet "custom
properties". For example, you can create a custom property set for your
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runtime. Each portlet will be represented as a unique product item in the
repository. You will need to use EBCC to define custom property set foryou
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in the catalog structure and put your "portlet" product items in there.
Once all this is defined, you can use the product catalog jsp tags to get
access to these properties in the jsp page.
Regards,
Mike
"Uday Tangs" <[email protected]> wrote in message
news:[email protected]...
Hi Subrahmanyam,
Even though I deploy same portlet multiple times, I nee attach a unique
attribute to each deployed portlet so that it will pick up different
content.
My question is how can I attach such an attribute to a portlet
defination,
I
know from EBCC there is no such option, but is there a work around??
Your help is appriciated.
Thanks & Regards,
UDay
"Subrahmanyam Allamaraju" <subbuATBeaDOTCom> wrote in message
news:[email protected]...
Uday,
WLP does not yet support this feature. However you can emulate this
behavior by deploying the same portlet multiple times.
Subbu
Uday Tangs wrote:
Hi,
I need deploy multiple portlet instances of the same portlet with
different
parameters.
What I means is I have 4 different pieces of conent which look same
and
can
be served by same portlet. So I need to define different instances
of
the
portlet with a parameter to pick different content.
How can I do this using Weblogic Portal Server4.0
Regards,
UDay

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