最近在使用soap协议创建信封的时候，遇到如下问题：
一月 25, 2018 12:11:19 下午 com.sun.xml.internal.messaging.saaj.soap.EnvelopeFactory createEnvelope
严重: SAAJ0511: 无法从给定源创建信封
com.sun.xml.internal.messaging.saaj.SOAPExceptionImpl: Unable to create envelope from given source:
at com.sun.xml.internal.messaging.saaj.soap.EnvelopeFactory.createEnvelope(EnvelopeFactory.java:117)
at com.sun.xml.internal.messaging.saaj.soap.ver1_2.SOAPPart1_2Impl.createEnvelopeFromSource(SOAPPart1_2Impl.java:69)
at com.sun.xml.internal.messaging.saaj.soap.SOAPPartImpl.getEnvelope(SOAPPartImpl.java:128)
at com.sun.xml.internal.messaging.saaj.soap.MessageImpl.getSOAPBody(MessageImpl.java:1351)
at com.weidian.pay.channel.fundin.comm.util.SoapXmlUtil.getResultSoapXml(SoapXmlUtil.java:66)
at com.weidian.pay.channel.web.COMMTest.decryptTest(COMMTest.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:237)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: javax.xml.transform.TransformerException: org.xml.sax.SAXException: NAMESPACE_ERR: 尝试以错误的名称空间创建或更改方式来创建或更改对象。
org.w3c.dom.DOMException: NAMESPACE_ERR: 尝试以错误的名称空间创建或更改方式来创建或更改对象。
at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:449)
at com.sun.xml.internal.messaging.saaj.util.transform.EfficientStreamingTransformer.transform(EfficientStreamingTransformer.java:399)
at com.sun.xml.internal.messaging.saaj.soap.EnvelopeFactory.createEnvelope(EnvelopeFactory.java:108)
... 38 more
Caused by: org.xml.sax.SAXException: NAMESPACE_ERR: 尝试以错误的名称空间创建或更改方式来创建或更改对象。
org.w3c.dom.DOMException: NAMESPACE_ERR: 尝试以错误的名称空间创建或更改方式来创建或更改对象。
at org.apache.xml.utils.DOMBuilder.startElement(DOMBuilder.java:322)
at org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1020)
at org.xml.sax.helpers.XMLFilterImpl.startElement(XMLFilterImpl.java:551)
at com.sun.xml.internal.messaging.saaj.util.RejectDoctypeSaxFilter.startElement(RejectDoctypeSaxFilter.java:177)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:379)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2786)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:117)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)
at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
at org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:432)
... 40 more
Caused by: org.w3c.dom.DOMException: NAMESPACE_ERR: 尝试以错误的名称空间创建或更改方式来创建或更改对象。
at com.sun.org.apache.xerces.internal.dom.AttrNSImpl.setName(AttrNSImpl.java:109)
at com.sun.org.apache.xerces.internal.dom.AttrNSImpl.<init>(AttrNSImpl.java:78)
at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.createAttributeNS(CoreDocumentImpl.java:2142)
at com.sun.xml.internal.messaging.saaj.soap.SOAPDocumentImpl.createAttributeNS(SOAPDocumentImpl.java:171)
at com.sun.org.apache.xerces.internal.dom.ElementImpl.setAttributeNS(ElementImpl.java:659)
at com.sun.xml.internal.messaging.saaj.soap.impl.ElementImpl.setAttributeNS(ElementImpl.java:1246)
at org.apache.xml.utils.DOMBuilder.startElement(DOMBuilder.java:307)
... 56 more
最后搜索查找，发现pom文件中引用的一个jar包中包含了xalan的引用，直接在改引用总exclusion掉xalan就解决问题。
<dependency>
<groupId>xxxx</groupId>
<artifactId>xxxx</artifactId>
<version>xxx</version>
<exclusions>
<exclusion>
<groupId>xalan</groupId>
<artifactId>xalan</artifactId>
</exclusion>
</exclusions>
</dependency>
