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@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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