grails - org.apache.xml.serializer.ToXMLSAXHandler 在使用 XmlUtil.serialize() 时无法在 JBOSS 中强制转换为 org.apache.xml.serializer.SerializationHandler

Question

我正在尝试使用 XmlParser 从 xml 文件中删除和添加标签。以下是我在使用“grails run-app”命令部署的 grails 应用程序中执行时运行良好的代码块:

def parser = new XmlParser()
def xmlTemplate = parser.parse(file1)
def origFile  = parser.parse(file2)

for (def n : origFile.cars)
{
    origFile.remove(n)
}


def children = origFile.children()
int i = 0 ; 
for (def n : xmlTemplate.cars)
{
  children.add(i,n)
   i++
}

new File(finalFileName).write( XmlUtil.serialize(origFile) )

但是，当我将此代码作为 war 部署在 JBOSS 服务器上时，它会在调用时引发以下错误:

13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28) org.apache.xml.serializer.utils.WrappedRuntimeException: org.apache.xml.serializer.ToXMLSAXHandler cannot be cast to org.apache.xml.serializer.SerializationHandler
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.apache.xml.serializer.SerializerFactory.getSerializer(SerializerFactory.java:179)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.apache.xalan.transformer.TransformerIdentityImpl.createResultContentHandler(TransformerIdentityImpl.java:260)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:330)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at groovy.xml.XmlUtil.serialize(XmlUtil.java:448)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at groovy.xml.XmlUtil.serialize(XmlUtil.java:437)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at groovy.xml.XmlUtil.serialize(XmlUtil.java:179)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at groovy.xml.XmlUtil.serialize(XmlUtil.java:88)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at groovy.xml.XmlUtil$serialize.call(Unknown Source)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
13:50:36,312 INFO  [stdout] (http-/10.64.96.82:8080-28)     at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)

我在 https://issues.jboss.org/browse/JBEAP-19 上发现了类似的问题它建议从包中删除 xalan serializer-2.7.1.jar 并且在从应用程序 war 中删除此 jar 后它确实工作正常。
jar serializer-2.7.1.jar 是我的 war 文件的一部分，因为我使用“grails war”命令创建了 war ，我不确定它在哪里使用。我的应用程序在删除 jar 后运行良好，所以看起来grails 框架也没有在任何地方内部使用这个 jar。

谁能解释这个问题的根本原因是什么，以及在 grails 应用程序中 serializer-2.7.1.jar 的用途是什么？

Answer 1

为了他人的利益:似乎OP的答案包含在问题中:

I found a similar issue on https://issues.jboss.org/browse/JBEAP-19 which suggested to remove xalan serializer-2.7.1.jar from the package and it indeed works fine after removing this jar from the application war. The jar serializer-2.7.1.jar was part of my war file as I created the war using "grails war" command and I am not sure where it was being used.My app is running fine after the removal of jar so it seems the grails framework is also not using this jar internally anywhere.