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)

<?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