java - POI 失败 java.lang.LinkageError : loader constraint violation in interface itable initialization

Question

兴趣点失败

java.lang.LinkageError: loader constraint violation in interface itable initialization:when resolving method "org.apache.xerces.parsers.AbstractSAXParser.getEntityResolver()Lorg/xml/sax/EntityResolver;" the class loader (instance of com/newatlanta/servletexec/ApplClassLoader) of the current class, org/apache/xerces/parsers/AbstractSAXParser, and the class loader (instance of <bootloader>) for interface org/xml/sax/XMLReader have different Class objects for the type org/xml/sax/EntityResolver used in the signature
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
    at java.lang.Class.getConstructor0(Unknown Source)
    at java.lang.Class.newInstance0(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at org.xml.sax.helpers.NewInstance.newInstance(Unknown Source)
    at org.xml.sax.helpers.XMLReaderFactory.loadClass(Unknown Source)
    at org.xml.sax.helpers.XMLReaderFactory.createXMLReader(Unknown Source)
    at org.dom4j.io.SAXHelper.createXMLReader(SAXHelper.java:83)
    at org.dom4j.io.SAXReader.createXMLReader(SAXReader.java:894)
    at org.dom4j.io.SAXReader.getXMLReader(SAXReader.java:715)
    at org.dom4j.io.SAXReader.read(SAXReader.java:435)
    at org.dom4j.io.SAXReader.read(SAXReader.java:343)
    at org.openxml4j.opc.internal.ContentTypeManager.parseContentTypesFile(ContentTypeManager.java:396)
    at org.openxml4j.opc.internal.ContentTypeManager.<init>(ContentTypeManager.java:120)
    at org.openxml4j.opc.internal.ZipContentTypeManager.<init>(ZipContentTypeManager.java:63)
    at org.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:147)
    at org.openxml4j.opc.Package.getParts(Package.java:598)
    at org.openxml4j.opc.Package.open(Package.java:227)

我在 ServletExec 上使用 XMLBean 时遇到了这个问题。我该如何解决？

Answer 1

从应用程序的类路径中删除 xercesImpl-jar 并重新部署它。如果由于删除特定的 jar 而引发任何其他问题，请尝试这样做。然后不要删除 jar。只需提取 jar 并从 中删除 org.apache.xerces.parsers.AbstractSAXParser 类文件xercesImpl-jar 获取冲突，将剩余的类文件转换为jar并加载到类路径中。这将帮助您解决链接错误。