You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@abdera.apache.org by "Christine Koppelt (JIRA)" <ji...@apache.org> on 2011/01/30 12:34:44 UTC
[jira] Resolved: (ABDERA-259) NullPointerException happens when
trying to decode HEAD response
[ https://issues.apache.org/jira/browse/ABDERA-259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Christine Koppelt resolved ABDERA-259.
--------------------------------------
Resolution: Fixed
> NullPointerException happens when trying to decode HEAD response
> ----------------------------------------------------------------
>
> Key: ABDERA-259
> URL: https://issues.apache.org/jira/browse/ABDERA-259
> Project: Abdera
> Issue Type: Bug
> Affects Versions: 0.4.0, 1.0
> Reporter: Tong Xiang Fan
> Assignee: Christine Koppelt
>
> The client code sends HEAD request to HTTP server. The Content-Encoding header is not null so it tries to decode the response. However httpclient HeadMethod returns null as response body stream. Hence NullPointerException happens.
> java.lang.NullPointerException
> at java.util.zip.InflaterInputStream.<init>(InflaterInputStream.java:91)
> at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:81)
> at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:93)
> at org.apache.abdera.util.CompressionUtil.getDecodingInputStream(CompressionUtil.java:71)
> at org.apache.abdera.protocol.util.EncodingUtil.getDecodingInputStream(EncodingUtil.java:160)
> at org.apache.abdera.protocol.client.CommonsResponse.getInputStream(CommonsResponse.java:156)
> at org.apache.abdera.protocol.client.cache.InMemoryCachedResponse.<init>(InMemoryCachedResponse.java:55)
> at org.apache.abdera.protocol.client.cache.InMemoryCache.createCachedResponse(InMemoryCache.java:44)
> at org.apache.abdera.protocol.client.cache.AbstractCache.update(AbstractCache.java:142)
> at org.apache.abdera.protocol.client.cache.AbstractCache.update(AbstractCache.java:130)
> at org.apache.abdera.protocol.client.AbderaClient.execute(AbderaClient.java:698)
> at org.apache.abdera.protocol.client.AbderaClient.head(AbderaClient.java:167)
> at org.apache.abdera.protocol.client.AbderaClient.head(AbderaClient.java:344)
> Sample response:
> Date: Tue, 20 Jul 2010 07:53:08 GMT
> Server: IBM_HTTP_Server/6.1 Apache/2.0.47 (Win32)
> Expires: Thu, 1 Jan 1970 00:00:00 GMT
> Cache-Control: no-store, no-cache, must-revalidate
> Pragma: no-cache
> Vary: Accept-Encoding
> Content-Encoding: gzip
> Keep-Alive: timeout=10, max=100
> Connection: Keep-Alive
> Transfer-Encoding: chunked
> Content-Type: text/html; charset=UTF-8
> Content-Language: en-US
> org.apache.abdera.protocol.client.CommonsResponse:
> public InputStream getInputStream() throws IOException {
> if (in == null) {
> String ce = getHeader("Content-Encoding");
> in = method.getResponseBodyAsStream(); // returns null if method is HEAD
> if (ce != null)
> in = EncodingUtil.getDecodingInputStream(in, ce);
> in = new AutoReleasingInputStream(method,in);
> }
> return in;
> }
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.