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From "Archie Cobbs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HTTPCLIENT-1738) CLONE - "deflate" encoding issue : java.util.zip.ZipException: invalid block type
Date Wed, 20 Apr 2016 21:41:25 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Archie Cobbs updated HTTPCLIENT-1738:
-------------------------------------
    Priority: Major  (was: Minor)

> CLONE - "deflate" encoding issue : java.util.zip.ZipException: invalid block type
> ---------------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1738
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1738
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient
>    Affects Versions: 4.5.2
>         Environment: Mac OS X
>            Reporter: Archie Cobbs
>
> When trying to GET any nzb files from http://nzbindex.nl with a httpclient request, a
ZipException is raised.
> {code:title=JunitTestFailing.java}
> 	@Test
> 	public void testDeflateIssueFailing() throws ClientProtocolException, IOException {
> 		HttpGet httpget = new HttpGet("http://nzbindex.nl/download/72441827/BackTrack5R3.Gnome.iSO.32bit-LiNUX-0171-bt5r2gis32.par2.nzb");
> 		HttpClient client = HttpClientBuilder.create().build();
> 		HttpResponse response = client.execute(httpget);
> 		HttpEntity entity = response.getEntity();
> 		byte[] data = EntityUtils.toByteArray( entity );
> 		Assert.assertEquals( data.length, 423548 );
> 	}
> {code}
> The complete stack trace I get is this:
> {code}
> java.util.zip.ZipException: invalid stored block lengths
> 	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164)
> 	at java.io.FilterInputStream.read(FilterInputStream.java:107)
> 	at org.apache.http.client.entity.DeflateInputStream.read(DeflateInputStream.java:144)
> 	at org.apache.http.client.entity.LazyDecompressingInputStream.read(LazyDecompressingInputStream.java:68)
> 	at org.apache.http.util.EntityUtils.toByteArray(EntityUtils.java:136)
> 	at hclient.HTTPClientTest.testDeflateIssueFailing(HTTPClientTest.java:39)
> {code}
> A workaround I found is to set the Accept-Encoding header to only accept gzip, as follows:
> {code:title=JunitTestWorking.java}
> 	
> 	@Test
> 	public void testDeflateIssueWorking() throws ClientProtocolException, IOException {
> 		HttpGet httpget = new HttpGet("http://nzbindex.nl/download/72441827/BackTrack5R3.Gnome.iSO.32bit-LiNUX-0171-bt5r2gis32.par2.nzb");
> 		httpget.setHeader("Accept-Encoding", "gzip");
> 		HttpClient client = HttpClientBuilder.create().build();
> 		HttpResponse response = client.execute(httpget);
> 		HttpEntity entity = response.getEntity();
> 		byte[] data = EntityUtils.toByteArray( entity );
> 		Assert.assertEquals( data.length, 423548 );
> 	}
> {code}
> Thanks



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