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  • Tomcat启动报错java.net.AbstractPlainSocketImpl

    Caused by: Unable to load configuration. - Class: java.net.AbstractPlainSocketImpl
        File: AbstractPlainSocketImpl.java
        Method: connect
        Line: 158 - java/net/AbstractPlainSocketImpl.java:158:-1
        at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
        at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
        at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
        ... 20 more
        Caused by: Unable to load jar:file:/var/lib/tomcat6/webapps/webapps/cute/WEB-         INF/lib    /struts2-json-plugin-2.3.4.jar!/struts-plugin.xml - Class:    java.net.AbstractPlainSocketImpl
    File: AbstractPlainSocketImpl.java
    Method: connect
    Line: 158 - java/net/AbstractPlainSocketImpl.java:158:-1
        at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:898)
        at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadDocuments(XmlConfigurationProvider.java:143)
        at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:110)
        at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:168)
        at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
        ... 22 more
    Caused by: struts.apache.org - Class: java.net.AbstractPlainSocketImpl
    File: AbstractPlainSocketImpl.java
    Method: connect
    Line: 158 - java/net/AbstractPlainSocketImpl.java:158:-1
        at com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:115)
        at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:893)
        ... 26 more
    Caused by: java.net.UnknownHostException: struts.apache.org
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:158)
        at java.net.Socket.connect(Socket.java:546)
        at java.net.Socket.connect(Socket.java:495)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:174)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:409)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:530)
        at sun.net.www.http.HttpClient.<init>(HttpClient.java:240)
        at sun.net.www.http.HttpClient.New(HttpClient.java:321)
        at sun.net.www.http.HttpClient.New(HttpClient.java:338)
        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:814)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:755)
        at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:680)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1005)
        at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:653)
        at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(XMLEntityManager.java:1291)
        at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:1258)
        at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:259)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1167)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1064)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:977)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:624)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:486)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:810)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:740)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:110)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1208)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:525)
        at javax.xml.parsers.SAXParser.parse(SAXParser.java:392)
        at com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:113)
        ... 27 more

    解决方式:

    <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd">

    原因:把项目struts2的jar包升级到2.3 但是头部dtd没改

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  • 原文地址:https://www.cnblogs.com/GYoungBean/p/3076054.html
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