noClassDefFounderRorr：org/apache/poi/poixmldocument

Question

我试图使用Apache POI阅读Excel，它是在Karaf中作为bundle部署的。

根据订单使用的POI版本：

null

<bundle>wrap:mvn:org.apache.poi/poi/3.11</bundle>
<bundle>wrap:mvn:org.apache.poi/poi-ooxml/3.11</bundle>
<bundle>wrap:mvn:org.apache.poi/poi-ooxml-schemas/3.11</bundle>

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.11<version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.11<version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml-schemas</artifactId>
    <version>3.11</version>
</dependency>

java.lang.NoClassDefFoundError: org/apache/poi/POIXMLDocument
    at java.lang.ClassLoader.defineClass1(Native Method)[:1.8.0_25]
    at java.lang.ClassLoader.defineClass(Unknown Source)[:1.8.0_25]
    at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2128)
    at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1432)
    at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
    at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
    at java.lang.ClassLoader.loadClass(Unknown Source)[:1.8.0_25]
    at org.apache.felix.framework.BundleWiringImpl.getClassByDelegation(BundleWiringImpl.java:1317)
    at org.apache.felix.framework.BundleWiringImpl.searchImports(BundleWiringImpl.java:1481)
    at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1427)
    at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
    at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
    at java.lang.ClassLoader.loadClass(Unknown Source)[:1.8.0_25]

Answer 1

我在一个直接使用servicemix捆绑包的项目中工作过。

<bundle>mvn:org.apache.servicemix.bundles/org.apache.servicemix.bundles.poi/3.15_1</bundle>