org.apache.axis.ConfigurationException: org.xml.sax.SAXException: Fatal Error: URI=null Line=1:

org.apache.axis.ConfigurationException: org.xml.sax.SAXException: Fatal
Error: URI=null Line=1:

I am getting this error on Tomcat startup
FATAL org.apache.axis.InternalException [<init>] - Exception:
org.apache.axis.ConfigurationException: org.xml.sax.SAXException: Fatal
Error: URI=null Line=1: The markup in the document preceding the root
element must be well-formed.
org.xml.sax.SAXException: Fatal Error: URI=null Line=1: The markup in the
document preceding the root element must be well-formed.
at
org.apache.axis.utils.XMLUtils$ParserErrorHandler.fatalError(XMLUtils.java:723)
at
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown
Source)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown
Source)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown
Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
at
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown
Source)
at org.apache.axis.utils.XMLUtils.newDocument(XMLUtils.java:369)
at org.apache.axis.utils.XMLUtils.newDocument(XMLUtils.java:388)
at
org.apache.axis.configuration.FileProvider.configureEngine(FileProvider.java:179)
at org.apache.axis.AxisEngine.init(AxisEngine.java:172)
at org.apache.axis.AxisEngine.<init>(AxisEngine.java:156)
at org.apache.axis.server.AxisServer.<init>(AxisServer.java:88)
at
org.apache.axis.server.DefaultAxisServerFactory.createServer(DefaultAxisServerFactory.java:109)
at
org.apache.axis.server.DefaultAxisServerFactory.getServer(DefaultAxisServerFactory.java:73)
at org.apache.axis.server.AxisServer.getServer(AxisServer.java:73)
at
org.apache.axis.transport.http.AxisServletBase.getEngine(AxisServletBase.java:185)
at
org.apache.axis.transport.http.AxisServletBase.getOption(AxisServletBase.java:396)
at
org.apache.axis.transport.http.AxisServletBase.init(AxisServletBase.java:112)
at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
What could be the possible cause and it's solution?