java错误记录

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一：dom4j解析xml串

org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]

Error:

严重: Parse Fatal Error at line 2 column 6: The processing instruction target matching "[xX][mM][lL]" is not allowed.

org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]" is not allowed.

at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)

at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)

at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)

at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)

at com.sun.org.apache.xerces.internal.impl.XMLScanner.scanPIData(Unknown Source)

Accuse:

这是由于XML文件或Schema XSD文件内容有空格造成的，

将表示XML和Schema XSD的字符串加trim()，忽略首尾空格即可

二：cxf webservice org.apache.cxf.interceptor.Fault: Unmarshalling Error: unexpected element (uri:"http://www.bnet.cn/v3.0", local:"requestXML"). Expected elements are <{}arg0>

@WebService(targetNamespace = "http://www.bnet.cn/v3.0")
@XmlRootElement(name="root")
public interface IGsIsmpBService {
   @WebResult(name="result")
   @WebMethod
    public String custSubscribe(@WebParam(name = "requestXML") String requestXML);

@Service
@WebService(endpointInterface = "cn.ffcs.shequ.service.IGsIsmpBService",targetNamespace = "http://www.bnet.cn/v3.0")
public class GsIsmpBServiceImpl implements IGsIsmpBService {
public String custSubscribe(@WebParam(name = "requestXML") String requestXML){}
}

}

三：java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11.XToolkit 异常

解决问题方法：
在catalina.sh 中增加-Djava.awt.headless=true

如

JAVA_OPTS="$JAVA_OPTS -XX:+UseCompressedOops -DenvironmentName=vpn -DapplicationName=basedata -DzookeeperUrl=172.168.6.6:2182 -Djava.awt.headless=true"

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