运行时异常- POI 5和xmlbeans

Question

在使用POI 5和xmlbeans 4导出excel时，我遇到以下错误。

ServletException的根本原因。

java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at  org.apache.xmlbeans.impl.schema.SchemaTypeLoaderImpl.build(SchemaTypeLoaderImpl.java:161)
at org.apache.xmlbeans.impl.schema.SchemaTypeSystemImpl.<init>(SchemaTypeSystemImpl.java:168)
at org.apache.xmlbeans.metadata.system.sXMLSCHEMA.TypeSystemHolder.<init>(TypeSystemHolder.java:41)
Truncated. see log file for complete stacktrace

Caused By: org.apache.xmlbeans.XmlRuntimeException: java.lang.ClassCastException: org.apache.xmlbeans.impl.schema.SchemaTypeSystemImpl cannot be cast to org.apache.xmlbeans.SchemaTypeLoader
at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderImpl.build(SchemaTypeLoaderImpl.java:164)
at org.apache.xmlbeans.impl.schema.SchemaTypeSystemImpl.<init>(SchemaTypeSystemImpl.java:168)
at org.apache.xmlbeans.metadata.system.sXMLTOOLS.TypeSystemHolder.<init>(TypeSystemHolder.java:41)
at org.apache.xmlbeans.metadata.system.sXMLTOOLS.TypeSystemHolder.<clinit>(TypeSystemHolder.java:44)
at java.lang.Class.forName0(Native Method)
Truncated. see log file for complete stacktrace

Caused By: java.lang.ClassCastException: org.apache.xmlbeans.impl.schema.SchemaTypeSystemImpl cannot be cast to org.apache.xmlbeans.SchemaTypeLoader
at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderImpl.build(SchemaTypeLoaderImpl.java:162)
at org.apache.xmlbeans.impl.schema.SchemaTypeSystemImpl.<init>(SchemaTypeSystemImpl.java:168)
at org.apache.xmlbeans.metadata.system.sXMLTOOLS.TypeSystemHolder.<init>(TypeSystemHolder.java:41)
at org.apache.xmlbeans.metadata.system.sXMLTOOLS.TypeSystemHolder.<clinit>(TypeSystemHolder.java:44)
at java.lang.Class.forName0(Native Method)
Truncated. see log file for complete stacktrace

我已检查出我的xmlbeans来自xmlbeans-4.0.0.jar，并且该ooxml-schema已被移除并替换为poi-ooxml-full-5.0.0.jar

可能出了什么问题？

Answer 1

加载的xmlbeans的类可能是错误的版本。如果您可以检查xmlbeans版本的类加载器。像weblogic这样的服务器具有旧版本的xmlbeans，这可能会导致冲突