Archie Cobbs created HTTPCLIENT-1738:
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Summary: 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
Environment: Windows
Reporter: Archie Cobbs
Priority: Minor
Fix For: 4.5.2
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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