title: Invalid null character in text to output
body: <p>I'm trying to Pass some data process in the server side to the client through my WS.</p>
  
  <p>But I'm getting this error:</p>
  
  <pre><code>    SEVERE: caught throwable
      javax.xml.ws.WebServiceException: com.ctc.wstx.exc.WstxIOException: Invalid null   character in text to output
          at com.sun.xml.ws.encoding.StreamSOAPCodec.encode(StreamSOAPCodec.java:112)
          at com.sun.xml.ws.encoding.SOAPBindingCodec.encode(SOAPBindingCodec.java:278)
          at com.sun.xml.ws.transport.http.HttpAdapter.encodePacket(HttpAdapter.java:380)
          at com.sun.xml.ws.transport.http.HttpAdapter.access$100(HttpAdapter.java:92)
          at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:525)
          at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:285)
          at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:143)
          at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doGet(WSServletDelegate.java:155)
          at com.sun.xml.ws.transport.http.servlet.WSServletDelegate.doPost(WSServletDelegate.java:189)
          at com.sun.xml.ws.transport.http.servlet.WSServlet.doPost(WSServlet.java:76)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
          at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
          at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
          at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
          at java.lang.Thread.run(Thread.java:662)
  Caused by: com.ctc.wstx.exc.WstxIOException: Invalid null character in text to output
          at com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:520)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:135)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.util.DOMUtil.serializeNode(DOMUtil.java:138)
          at com.sun.xml.ws.message.saaj.SAAJMessage.writeTo(SAAJMessage.java:365)
          at com.sun.xml.ws.encoding.StreamSOAPCodec.encode(StreamSOAPCodec.java:109)
          ... 24 more
  Caused by: java.io.IOException: Invalid null character in text to output
          at com.ctc.wstx.sw.XmlWriter.throwInvalidChar(XmlWriter.java:538)
          at com.ctc.wstx.sw.BufferingXmlWriter.writeCharacters(BufferingXmlWriter.java:453)
          at com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:518)
  </code></pre>
  
  <p>This exception is thrown while sending the response back to the client. </p>
  
  <p>in the client side this is the response:</p>
  
  <pre><code>ParseError at [row,col]:[1,11347]
  </code></pre>
  
  <p>But looking At this Its very difficult to find where is the error. Is there anyway that I can resolve this error.</p>