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https://issues.apache.org/jira/browse/HTTPCLIENT-1281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13534060#comment-13534060
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Francois-Xavier Bonnet commented on HTTPCLIENT-1281:
----------------------------------------------------
Unless I missed something, org.apache.http.util.EntityUtils.consume(HttpEntity)
closes the inputstream only for streaming entities. If you consider FileEntity,
isStreaming() returns false so the FileInputStream will not be closed.
> GzipDecompressingEntity does not release InputStream when an IOException
> occurs while reading the Gzip header
> -------------------------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-1281
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1281
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.2.2, 4.2.3, Snapshot
> Reporter: Francois-Xavier Bonnet
> Priority: Blocker
> Fix For: 4.2.3
>
> Attachments: DecompressingEntity_patch.txt
>
>
> When calling method
> org.apache.http.client.entity.DecompressingEntity.getContent() for a
> GzipDecompressingEntity, the method tries to build a GZIPInputStream, then
> the GzipInputStream tries to read the Gzip header and fails throwing an
> IOException.
> At the end you get an Exception but the backend InputStream is never closed
> resulting in a connection leak.
> Here is a test to reproduce:
> @Test
> public void
> testGzipDecompressingEntityDoesNotCrashInConstructorAndLeaveInputStreamOpen()
> throws Exception {
> final AtomicBoolean inputStreamIsClosed = new
> AtomicBoolean(false);
> HttpEntity in = new InputStreamEntity(new InputStream() {
> @Override
> public int read() throws IOException {
> throw new IOException("An exception occurred");
> }
> @Override
> public void close() throws IOException {
> inputStreamIsClosed.set(true);
> }
> }, 123);
> GzipDecompressingEntity gunzipe = new
> GzipDecompressingEntity(in);
> try {
> InputStream is = gunzipe.getContent();
> } catch (IOException e) {
> // As I cannot get the content, GzipDecompressingEntity
> is supposed
> // to have released everything
> Assert.assertTrue(inputStreamIsClosed.get());
> }
> }
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