Thank you for your reply.

Yes sure I have that. I took the rules directly from
http://javabeans.asia/articles/drools_5_case_study_2_complex_event_processing.html
and they include this setting.

As posted in my fist mail I needed to change 90d in following code to 90m to get the tutorial to work.
    from accumulate(
        ClaimApprovedEvent(
            accountNumber == $account.number,
            $amount : amount
        )
        over window:time( 90d ) from
        entry-point ClaimStream,
        average($amount)
    )

I can use 's', 'm' or 'h' only with 'd' I get an error marker in eclipse:
Description    Resource    Path    Location    Type
Error: java.lang.NullPointerException    account.drl    /SlidingWindowCEP/etc    Unknown    Drools Error

btw.: The tutorial seems to use some discouraged Classes so I have quite a few warnings
about PackageBuilderConfiguration, MVELDialectConfiguration and SessionPseudoClock
however I have the same issues with this as written here:
http://drools.46999.n3.nabble.com/Fixing-the-quot-Discouraged-access-quot-Eclipse-warnings-makes-all-org-drools-import-unresolved-td1515491.html
("Accessible" setting in eclipse makes all org.drools imports unresolved)

References for ppl interested in the discouraged warning:
http://drools.46999.n3.nabble.com/quot-Discouraged-access-quot-warnings-when-using-Drools-Eclipse-Workbench-td60302.html
http://drools.46999.n3.nabble.com/Problem-with-CommandFactory-newStartProcess-in-5-2-M1-td2691171.html

It seems to me I must have some basic setting wrong but I have yet to figure out what it is,
so hints are still very much appreciated.

Best regards,
Sebastian

Am 11.04.2011 20:51, schrieb Mauricio Salatino:

did you try setting the mvel dialect inside the rules?
rule "my rule"
dialect "mvel"
when

then

end

??

On Mon, Apr 11, 2011 at 12:17 PM, s.Daniel <sdaniel@wobster.de> wrote:

Now I realy feel a bit silly. I banged my head on this for hours and then
just after I write you I get a step further. I changed mvl mode and replaced
line 78 in Tester.java with:
PackageBuilderConfiguration conf = new PackageBuilderConfiguration();
((MVELDialectConfiguration)
conf.getDialectConfiguration("mvel")).setStrict(false);
((MVELDialectConfiguration)
conf.getDialectConfiguration("mvel")).setLangLevel(5);
KnowledgeBuilder builder = KnowledgeBuilderFactory
.newKnowledgeBuilder(conf);

Now the markers are still being displayed but the code compiles and runs. If
someone would take the time to explain this to me I'd be very thankful.

--
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