我正在尝试在tomcat 8中部署3场战争。所有战争都需要xerces jars作为他们的依赖。但是在部署时我得到javax.xml.parsers.FactoryConfigurationError：提供者org.apache.xerces.jaxp.SAXParserFactoryImpl未找到错误。 第一次战争得到了适当的部署，但在此之后部署其他两场战争时我遇到了错误。 所有三场战争都将xercerImpl-2.11和xml-apis作为依赖。
javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.SAXParserFactoryImpl not found
at javax.xml.parsers.FactoryFinder.newInstance(FactoryFinder.java:200)
at javax.xml.parsers.FactoryFinder.newInstance(FactoryFinder.java:152)
at javax.xml.parsers.FactoryFinder.find(FactoryFinder.java:232)
at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:127)
at org.apache.tomcat.util.digester.Digester.getFactory(Digester.java:470)
at org.apache.tomcat.util.digester.Digester.getParser(Digester.java:677)
at org.apache.catalina.startup.ContextConfig.init(ContextConfig.java:830)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:387)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:110)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:976)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1653)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)