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PONoSuchMethoException on calling DefaultValidator.getValidFileName()
 

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  1. PONoSuchMethoException on calling DefaultValidator.getValidFileName()
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    <p>I am trying to use getValidFileName (String, String, list, boolean) method of DefaultValidator class from ESAPI provided jar (esapi-2.0_rc11) to validate file name. But on run time getting No such method exception.</p> <p>This is my code:</p> <pre><code>public static String getValidFileName(String input,String[] strFileExtns, Boolean isNullable) throws Exception { List &lt;String&gt; fileExtnsList = new ArrayList &lt;String&gt;(); if (strFileExtns != null &amp;&amp; strFileExtns.length &gt; 0) for(int i=0; i&lt;strFileExtns.length; i++) fileExtnsList.add(strFileExtns[i]); return new DefaultValidator().getValidFileName("FileNameValidation", input, fileExtnsList, isNullable); } </code></pre> <p>I am getting <code>java.lang.NoSuchMethodError:org/owasp/esapi/reference/DefaultValidator.getValidFileName(Ljava/lang/String;Ljava/lang/String;Ljava/util/List;Z)Ljava/lang/String;</code></p> <p>Code present in the jar:</p> <pre><code>public String getValidFileName(String context, String input, List&lt;String&gt; allowedExtensions, boolean allowNull) throws ValidationException, IntrusionException { if ((allowedExtensions == null) || (allowedExtensions.isEmpty())) { throw new ValidationException("Internal Error", "getValidFileName called with an empty or null list of allowed Extensions, therefore no files can be uploaded"); } String canonical = ""; try { if (isEmpty(input)) { if (allowNull) return null; throw new ValidationException(context + ": Input file name required", "Input required: context=" + context + ", input=" + input, context); } canonical = new File(input).getCanonicalFile().getName(); getValidInput(context, input, "FileName", 255, true); File f = new File(canonical); String c = f.getCanonicalPath(); String cpath = c.substring(c.lastIndexOf(File.separator) + 1); if (!(input.equals(cpath))) throw new ValidationException(context + ": Invalid file name", "Invalid directory name does not match the canonical path: context=" + context + ", input=" + input + ", canonical=" + canonical, context); } catch (IOException e) { throw new ValidationException(context + ": Invalid file name", "Invalid file name does not exist: context=" + context + ", canonical=" + canonical, e, context); } Iterator i = allowedExtensions.iterator(); while (i.hasNext()) { String ext = (String)i.next(); if (input.toLowerCase().endsWith(ext.toLowerCase())) return canonical; } throw new ValidationException(context + ": Invalid file name does not have valid extension ( " + allowedExtensions + ")", "Invalid file name does not have valid extension ( " + allowedExtensions + "): context=" + context + ", input=" + input, context); } </code></pre> <p>Someone please help me on this.</p>
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