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From Frédéric RIVIERE (JIRA) <j...@apache.org>
Subject [jira] [Created] (IVY-1400) NullPointerException - problem while listing resources
Date Tue, 29 Jan 2013 09:45:22 GMT
Frédéric RIVIERE created IVY-1400:
-------------------------------------

             Summary: NullPointerException - problem while listing resources
                 Key: IVY-1400
                 URL: https://issues.apache.org/jira/browse/IVY-1400
             Project: Ivy
          Issue Type: Bug
    Affects Versions: 2.3.0
            Reporter: Frédéric RIVIERE
            Priority: Minor


After debugging, the problem appears when using org.apache.ivy.util.url.HttpClientHandler
(connecting jakarta commons http client). 

A check is missing in getURLInfo() when web server does not return content-type in HTTP header.
Line 156, method.getResponseHeader("content-type") returns null so NPE occurs when calling
getValue().

Works fine with BasicURLHandler.

Should be something like:


public URLInfo getURLInfo(URL url, int timeout) {
       ...
if (checkStatusCode(url, method)) {
                HttpResponseHeader h = method.getResponseHeader("content-type");
                String contentType = h == null ? null : h.getValue();

                String bodyCharset = BasicURLHandler.getCharSetFromContentType(contentType);
...




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