java net MalformedURLException no protocol

Question

I am getting Java exception like    java net MalformedURLException  no protocol   My program is trying to parse an XML string by using   Document dom  DocumentBuilderFactory dbf   DocumentBuilderFactory newInstance    DocumentBuilder db   dbf newDocumentBuilder    dom   db parse xml     The XML string contains   String xml     lt  xml version   1 0   encoding   utf-8    gt             lt s Envelope xmlns s   http   schemas xmlsoap org soap envelope    gt                 lt s Header gt                     lt ActivityId CorrelationId   15424263-3c01-4709-bec3-740d1ab15a38   xmlns   http   schemas microsoft com 2004 09 ServiceModel Diagnostics   gt 50d69ff9-8cf3-4c20-afe5-63a9047348ad lt  ActivityId gt                     lt clalLog CorrelationId xmlns   http   clalbit co il clallog   gt eb791540-ad6d-48a3-914d-d74f57d88179 lt  clalLog CorrelationId gt                 lt  s Header gt                 lt s Body gt                     lt ValidatePwdAndIPResponse xmlns   http   tempuri org    gt                     lt ValidatePwdAndIPResult xmlns a   http   schemas datacontract org 2004 07 ClalBit ClalnetMediator Contracts   xmlns i   http   www w3 org 2001 XMLSchema-instance   gt                     lt a ErrorMessage gt Valid User lt  a ErrorMessage gt                     lt a FullErrorMessage i nil   true     gt                     lt a IsSuccess gt true lt  a IsSuccess gt                     lt a SecurityToken gt 999993 310661843 lt  a SecurityToken gt                     lt  ValidatePwdAndIPResult gt                     lt  ValidatePwdAndIPResponse gt                 lt  s Body gt  n            lt  s Envelope gt  n     Any suggestions about what is causing this error

User · Answer

Try instead of db parse xml    Document doc   db parse new InputSource new StringReader   xml

User · Answer

The documentation could help you   http   java sun com j2se 1 5 0 docs api javax xml parsers DocumentBuilder html  The method DocumentBuilder parse String  takes a URI and tries to open it  If you want to directly give the content  you have to give it an InputStream or Reader  for example a StringReader      Welcome to the Java standard levels of indirections    Basically    DocumentBuilder db        String xml        db parse new InputSource new StringReader xml       Note that if you read your XML from a file  you can directly give the File object to DocumentBuilder parse      As a side note  this is a pattern you will encounter a lot in Java  Usually  most API work with Streams more than with Strings  Using Streams means that potentially not all the content has to be loaded in memory at the same time  which can be a great idea

[java] java.net.MalformedURLException: no protocol

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