[rules-users] Strange error using Drools + Spring + DecisionTable

[Mauricio Salatino]

It could be related with the location of the file: classpath:data/
IntegrationExampleTest.xls

Are you sure that the file is being picked up?



On Wed, Apr 17, 2013 at 6:05 PM, Charles Moulliard <ch007m at gmail.com> wrote:

> Hi,
>
> When I try to instantiate an Excel Decision Table using Drools + Spring
> (kresource), I get this error :
>
> REMARK: the file is the same as we have in Drools Unit Test
> (decision-table)
>
> Error :
>
> Caused by: java.lang.IllegalArgumentException: Your InputStream was
> neither an OLE2 stream, nor an OOXML stream
> at
> org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:75)
>  at
> org.drools.decisiontable.parser.xls.ExcelParser.parseFile(ExcelParser.java:75)
> at
> org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:93)
>  at
> org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:72)
> at
> org.drools.decisiontable.DecisionTableProviderImpl.compileStream(DecisionTableProviderImpl.java:37)
>  at
> org.drools.decisiontable.DecisionTableProviderImpl.loadFromInputStream(DecisionTableProviderImpl.java:20)
> at
> org.drools.compiler.compiler.DecisionTableFactory.loadFromInputStream(DecisionTableFactory.java:15)
>  at
> org.drools.compiler.compiler.PackageBuilder.decisionTableToPackageDescr(PackageBuilder.java:460)
> at
> org.drools.compiler.compiler.PackageBuilder.addPackageFromDecisionTable(PackageBuilder.java:454)
>  at
> org.drools.compiler.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:684)
> at
> org.drools.compiler.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:51)
>  at
> org.drools.compiler.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:40)
> at
> org.drools.container.spring.beans.KnowledgeBaseBeanFactory.afterPropertiesSet(KnowledgeBaseBeanFactory.java:110)
>  at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
>
> Config :
>
> <?xml version="1.0" encoding="UTF-8"?>
> <beans xmlns="http://www.springframework.org/schema/beans"
>        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>        xmlns:drools="http://drools.org/schema/drools-spring"
>        xsi:schemaLocation="http://www.springframework.org/schema/beans
> http://www.springframework.org/schema/beans/spring-beans.xsd
>             http://drools.org/schema/drools-spring
> http://drools.org/schema/drools-spring.xsd">
>
>     <drools:grid-node id="node1"/>
>
>     <drools:kbase id="kbase1" node="node1">
>         <drools:configuration>
>             <drools:mbeans enabled="true"/>
>         </drools:configuration>
>         <drools:resources>
>             <drools:resource type="DTABLE"
> source="classpath:data/IntegrationExampleTest.xls"/>
>         </drools:resources>
>     </drools:kbase>
>
>     <drools:ksession id="ksession1"
>                      type="stateless"
>                      name="ksession1"
>                      kbase="kbase1"
>                      node="node1"/>
>
> </beans>
>
> Regards,
>
> --
> Charles Moulliard
> Apache Committer / Sr. Enterprise Architect (RedHat)
> Twitter : @cmoulliard | Blog : http://cmoulliard.blogspot.com
>
>
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>



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