SAP PI Cache Problem

Dear all,
I am developing different scenarios with BPMs accessed by SOAP (Web Services) within SAP-PI.
I am having a lot of problems with some of the XSLT split mappings programs. What's happening is that we have developed various mappings and made changes to them and upon activating them it's possible that they are being incorrectly managed by the J2EE server cache e.g. wrong versions being kept in the cache. The consequence of this is that we obtain different results for the same data input.
Executing the services sequentially, with the same input parameters, we obtain results with different data in a random form that coincides with the different versions of the mappings that we have published to the server.
Could there be an error with the way the java cache works?
I am checking different issues regarding the SAP PI Caché manual ("How to Handle Caches in SAP XI 3.0.pdf"), but I cannot find the problem. Doing testing, I am getting in different moments, following errors:
1. This error occurs sometimes:
com.sap.aii.af.service.cpa.impl.exception.CPADirectoryCacheException: Failed to check secure connection configuration. Reason: com.sap.aii.af.lib.sld.SLDException: Failed to read SLD instance name. Reason: HTTP response code: 503 (Service Unavailable)
at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.getDirectoryURL(DirectoryAccess.java:134)
at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.getDeltaRefreshURL(DirectoryAccess.java:191)
at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.getDeltaCacheUpdateXML(DirectoryAccess.java:440)
at com.sap.aii.af.service.cpa.impl.cache.CacheManager.performCacheUpdate(CacheManager.java:491)
at com.sap.aii.af.service.cpa.impl.cache.CacheManager$CacheUpdateRunnable.run(CacheManager.java:322)
at com.sap.engine.frame.core.thread.Task.run(Task.java:73)
at com.sap.engine.core.thread.impl5.SingleThread.execute(SingleThread.java:144)
at com.sap.engine.core.thread.impl5.SingleThread.run(SingleThread.java:242)
Caused by: com.sap.aii.af.lib.sld.SLDException: Failed to read SLD instance name. Reason: HTTP response code: 503 (Service Unavailable)
I did all checks that came in the manual, but to no avail.
Thanks in advance.
Regards

Hi!
According to my Knowledge
1. BPM need to use in final case because it tooks lot of performance issues in RUN time because IN BPM while running your scenario the process is always switch from ABAP stack BPM Process Engine to JAVA Stack for executing the mapping whch you configured in the java stack and again it needs to swtich towards the Process Engine and finally again it needs to swtich towards java stack to ID part through Interface determintation step....
In going all these it takes lot of Load on server and suppose if it is handling very huge data defnitely you ill face performance issues.
2. Also I think there is some authentification issue while running it means defalutly even though u configured any adapter on your user id by default all those adapters run by using ADMINs authentifications check whether it was locked or some other problem.
3. Also check once CACHE thorugh SXI_CACHE and also u can check via RWB-->Cache Monitoring...
Regards::
Amar Srinivas Eli
Edited by: Amar Srinivas Eli on Mar 9, 2009 4:17 PM

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>
Vijaya Kumar wrote:
> Hi Guys,
>
> We have modified/created anything in IR, but it will not updated in cache refresh. While checking the cache notification in ID, it showing ABAP cache notofication error for last one week. bold"Unable to notify integration runtime (ABAP) of data changes
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>
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>
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>
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I have seen this a couple of times now. It is not consistent enough to
create a simple reproducible test case, so I will have to describe it to you
with an example and hope you can track it down. It only occurs when caching
is enabled.
Here are the classes:
class C1 { int id; C2 c2; }
class C2 { int id; C1 c1; }
Each class uses application identity using static nested Id classes: C1.Id
and C2.Id. What is unusual is that the same value is used for both
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table t2: column id integer, column revision integer, primary key (id)
<jdo>
<package name="test">
<class name="C1" objectid-class="C1$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t1"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
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<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c2">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
<class name="C2" objectid-class="C2$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t2"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c1">
<extension vendor-name="kodo" key="dependent" value="true"/>
<extension vendor-name="kodo" key="inverse-owner" value="c2"/>
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="table" value="t1"/>
<extension vendor-name="kodo" key="ref-column.id" value="id"/>
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
</package>
</jdo>
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used as foreign key values. Accessing C2.c1 is always non-null when caching
is disabled. With caching is enabled C2.c1 is usually non-null but sometimes
null. When it is null we get warnings about dangling references to deleted
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The workaround is to add a redundant column with the same value. For some
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caching disabled):
table t1: column id integer, column id2 integer, column revision integer,
primary key (id), unique index (id2)
table t2: column id integer, column revision integer, primary key (id)
<jdo>
<package name="test">
<class name="C1" objectid-class="C1$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t1"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c2">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.id" value="id2"/>
</extension>
</field>
</class>
<class name="C2" objectid-class="C2$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t2"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c1">
<extension vendor-name="kodo" key="dependent" value="true"/>
<extension vendor-name="kodo" key="inverse-owner" value="c2"/>
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="table" value="t1"/>
<extension vendor-name="kodo" key="ref-column.id" value="id2"/>
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
</package>
</jdo>
Needless to say, the extra column adds a lot of overhead, including the
addition of a second unique index, for no value other than working around
the caching defect.

Tom-
The first thing that I think of whenever I see a problem like this is
that the equals() and hashCode() methods of your application identity
classes are not correct. Can you check them to ensure that they are
written in accordance to the guidelines at:
http://docs.solarmetric.com/manual.html#jdo_overview_pc_identity_application
If that doesn't help address the problem, can you post the code for your
application identity classes so we can double-check, and we will try to
determine what might be causing the problem.
In article <[email protected]>, Tom Landon wrote:
I have seen this a couple of times now. It is not consistent enough to
create a simple reproducible test case, so I will have to describe it to you
with an example and hope you can track it down. It only occurs when caching
is enabled.
Here are the classes:
class C1 { int id; C2 c2; }
class C2 { int id; C1 c1; }
Each class uses application identity using static nested Id classes: C1.Id
and C2.Id. What is unusual is that the same value is used for both
instances:
int id = nextId();
C1 c1 = new C1(id);
C2 c2 = new C2(id);
c1.c2 = c2;
c2.c1 = c1;
This all works fine using optimistic transactions with caching disabled.
Although the integer values are the same, the oids are unique because each
class defines its own unique oid class.
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with caching enabled):
table t1: column id integer, column revision integer, primary key (id)
table t2: column id integer, column revision integer, primary key (id)
<jdo>
<package name="test">
<class name="C1" objectid-class="C1$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t1"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c2">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
<class name="C2" objectid-class="C2$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t2"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c1">
<extension vendor-name="kodo" key="dependent" value="true"/>
<extension vendor-name="kodo" key="inverse-owner" value="c2"/>
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="table" value="t1"/>
<extension vendor-name="kodo" key="ref-column.id" value="id"/>
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
</package>
</jdo>
Because the ids are known to be the same, the primary key values are also
used as foreign key values. Accessing C2.c1 is always non-null when caching
is disabled. With caching is enabled C2.c1 is usually non-null but sometimes
null. When it is null we get warnings about dangling references to deleted
instances with id values of 0 and other similar warnings.
The workaround is to add a redundant column with the same value. For some
reason this works around the caching problem (this is unnecessary with
caching disabled):
table t1: column id integer, column id2 integer, column revision integer,
primary key (id), unique index (id2)
table t2: column id integer, column revision integer, primary key (id)
<jdo>
<package name="test">
<class name="C1" objectid-class="C1$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t1"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c2">
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="column.id" value="id2"/>
</extension>
</field>
</class>
<class name="C2" objectid-class="C2$Id">
<extension vendor-name="kodo" key="jdbc-class-map" value="base">
<extension vendor-name="kodo" key="table" value="t2"/>
</extension>
<extension vendor-name="kodo" key="jdbc-version-ind"
value="version-number">
<extension vendor-name="kodo" key="column" value="revision"/>
</extension>
<field name="id" primary-key="true">
<extension vendor-name="kodo" key="jdbc-field-map" value="value">
<extension vendor-name="kodo" key="column" value="id"/>
</extension>
</field>
<field name="c1">
<extension vendor-name="kodo" key="dependent" value="true"/>
<extension vendor-name="kodo" key="inverse-owner" value="c2"/>
<extension vendor-name="kodo" key="jdbc-field-map" value="one-one">
<extension vendor-name="kodo" key="table" value="t1"/>
<extension vendor-name="kodo" key="ref-column.id" value="id2"/>
<extension vendor-name="kodo" key="column.id" value="id"/>
</extension>
</field>
</class>
</package>
</jdo>
Needless to say, the extra column adds a lot of overhead, including the
addition of a second unique index, for no value other than working around
the caching defect.
Marc Prud'hommeaux [email protected]
SolarMetric Inc. http://www.solarmetric.com

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out.println("document.write(\"<iframe src='" + iframeURL +"&rand="+a+"' height=" + hheight +" width="+ wwidth + " SCROLLING=no FRAMEBORDER=0 MARGINWIDTH=2 MARGINHEIGHT=2 onfocus='window.focus(); return iframeFocus()'>\");");
out.println("document.write(\"</iframe>\");");
...It should force the browser to ask for the servlet again
hope this helps...

Caching problem with Internet Explorer

Hi,
users of an ApEx application I'm working on are reporting that when they're deleting an uploaded file from one of the pages in the application (using Internet Explorer), the link to the file remains. This is however not an issue in FireFox, and after some research I found out that this is a caching problem in IE. It can be avoided by making IE check for newer versions of stored pages every time a page is visited, but it is clearly not an option to ask all our users to do this. I also learned that it can be fixed by randomizing the file URL every time the page is loaded, but I don't know how to randomize a URL, nor how to make it still point to the uploaded file.. Any help would be appreciated!
Thanks,
-Kjetil

Kjetil,
This problem is also there if you use Flash Charts with a drilldown. See this posting:
http://www.deneskubicek.blogspot.com/
It will also link you to a corresponding thread and to an example in my demo application.
The idea with a random number changing you link is the same I used in extending my
xml chart package.
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://htmldb.oracle.com/pls/otn/f?p=31517:1
-------------------------------------------------------------------

Extraction from SAP, hidden fields problem

Hi Expeerts,
I have the following problem / question:
From an SAP Datasource (2lis_11_vaitm) we have some fileds, those are HIDED, and we need them. This is a central SAP, and a lot of BW systems connect to this SAP.
The problem is, that we need a field from that datasource (and other BWs do not need), that has 'HIDDEN' option. The SAP side is afraid of having problem, when they just uncheck that option. (TELF1; KONDA fields we need).
Does anyone know, what is the affects on other BW systems, when we unhide this fields? Of course we load with delta from this source.
If a field is hidden in SBIW-Maintain Datasources, am I right, that the delta does not collect those fields, or it is collected, just not sent to BW systems?
Any good idea, how can we get that fields in other way, because it seems, that the datasource cannot be modifyed, because of the other countries' BWs, connected to teh centra SAP.
I hope i were clear, but if not, please ask me.
Thanks for Your help.
Laszlo
Edited by: László Györkös on Jan 30, 2009 11:07 AM

Hi,
If a field is hidden in SBIW-Maintain Datasources, am I right, that the delta does not collect those fields, or it is collected, just not sent to BW systems?
--> As hidden fields are already available in extract strucute, unhiding will not create any problem. As far as i know hidden means it will transfer data from extract structure to further.
--> You can try pulling this particular data using generic datasource. OR
--> Enhance datasource by adding required fields and use. OR
--> Unhide files and use.
Note: Bit careful while transpporting datasource to production as time stamp changes.
Srini

ADF cache problem

Hello,
I'm developing a web application with an ADF tree accessing to a Content DB repository. When I deploy the application and navigate to the tree everything look fine. The problem occurs, when the content of the repository changed outside of the web application (e.g. a file will be deleted with Oracle drive), the tree doesn't display the changes. The only way to get the right state of the tree, clear the browser cache and reload the page again. In my opinion it looks like a caching problem. Putting the following meta information in the html header also failed!
<meta http-equiv="pragma" content="no-cache"/>
<meta http-equiv="expires" content="0"/>
<meta http-equiv="cache-control" content="no-cache"/>
Is there a possibility to disable the caching of such ADF components?
Hope you can help me!
Thanks,
Alex

This will probably help you: http://www.oracle.com/technology/products/ias/web_cache/afc/index.html
Regards,
Koen Verhulst

Cache problem for this

Hi
in the saw.sessionsinfo.xml file ,i change the home link prop true to false
but it not remove from the presentation side
below is my file
Below is my script file
plz check it
give if any errors
<?xml version="1.0" encoding="UTF-8"?>
<resourceBundle xmlns="oracle.bi.ps.resourceBundle/v1">
<gdexpression id="noLogoffUI" expr="session.hideLogoffLink" />
<gdexpression id="syndicate" expr="session.syndicate" />
<gdexpression id="canAccessDashboards" expr="privileges.Access['Global Portal']" />
<gdexpression id="hdrLinkCatalog" expr="true" />
<gdexpression id="hdrLinkOpen" expr="true" />
<gdexpression id="hdrLinkAdvanced" expr="true" />
<gdexpression id="hdrLinkHelp" expr="true" />
<gdexpression id="hdrLinkHome" expr="false" />
<gdexpression id="hdrLinkGSearch" expr="true" />
<gdexpression id="hdrLinkNew" expr="true" />
<gdexpression id="hdrLinkDashboards" expr="true" />
<gdexpression id="hdrLinkSettings" expr="true" />
<gdexpression id="bipKeepAlive" expr="session.bipKeepAlive" />
<gdexpression id="bipWebUrl" expr="system.config['AdvancedReporting/WebURL']" />
<gdexpression id="bipExternalRepository" expr="system.config['AdvancedReporting/ExternalRepository']" />
<gdexpression id="biComposerContext" expr="system.config['BIComposer/ContextPath']" />
</resourceBundle>
plz anybody give solution for this
Edited by: ARYABRAHMA on Feb 5, 2013 3:38 AM

is cache problem for this

Qaaws not refreshing query triggered from Xcelsius, maybe a cache problem

Hi,
I'm having a problem with QAAWS and Xcelsius
I'm using a List Builder component to select multiple values in this case STATES from the efashion universe
I use the selected states as values to feed a prompt in a QAAWS query, the qwaas query has the SALES REVENUE as the resultset and in the conditions it has a multi prompt for STATES
When I preview my dashboard, I select the States, then UPDATE the values and then refresh the query with a CONNECTION REFRESH button, The first time I do this it works fine and returns the Sales revenue.
If I add a new State to my selection and then run update and run run again the query with the refresh button, it doesn't work any more and it shows again the value retrieved from the first query
First I thought that the query wasn't triggered by Xcelsius, but by doing some more tests I found that actually the query runs but it returns the value from the first query
I think this is a cache problem , so is there a way to tell QAAWS to always run the query and not use the cache?
thanks,
Alejandro

Hello Alejandro,
QaaWS indeed uses a cache mechanism to speed up some Xcelsius interactions (from XI 3.0 onwards), but your issue should not be induced by this, as cache sessions are discriminated according to session user id & prompt values, so if you are correctly passing prompt values, QaaWS should not serve you with the previous values by error.
Could you specify how you are passing several prompt values to the QaaWS? There might be an issue there, so make sure that:
1. QaaWS query prompt is set using In List operator, otherwise only first value will actually be taken into account,
2. In Xcelsius Designer Data Manager, web service input paremeters are duplicated to accept several input values (you cannot submit you list of prompt values as a list to a single input parameter).
If this still does not work, I'd suggest you debug your dashboard runtime using an HTTP sniffer like Fiddler (available from http://www.fiddler2.com/) which enable you to inspect the sent & recieved HTTP messages with the server, where you should verify which prompt values are sent to the QaaWS servlet.
FYI, you can set the QaaWS cache lifetime for each query, by going into QaaWS edition first wizard screen, click Advanced... button and change value for timeout parameter (default is 60 seconds)
Hope that helps,
David.

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