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Editorial Team
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Asked: 2026-05-15T04:28:12+00:00

I have a DataInputStream , created from a Socket in Java. The connection is

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I have a DataInputStream, created from a Socket in Java. The connection is to a simple web server that uses chunked transfer encoding. The web server does in fact work in normal browser. But in my program, I am attempting to read, I read the first first bytes (some 5kb of data). But each read after that returns 0 bytes read. Isn’t it supposed to block until it can read?

Note: This usually doesn’t occur. The problem is with the server I am connecting to.

Also, this code here all returns false even after the bytesread == 0.:

        System.out.println(socket.isClosed());
        System.out.println(socket.isInputShutdown());
        System.out.println(socket.isOutputShutdown());

And here are the resp headers:

HTTP/1.1 200 OK

Date: Tue, 08 Jun 2010 14:01:01 GMT

Server: Apache/2.2.11 (Unix) PHP/5.2.10

X-Powered-By: PHP/5.2.10

Expires: Thu, 19 Nov 1981 08:52:00 GMT

Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0

Pragma: no-cache

Keep-Alive: timeout=5, max=100

Connection: Keep-Alive

Transfer-Encoding: chunked

Content-Type: text/html
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1 Answer

  1. Editorial Team

    According to http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#read(byte%5B%5D) it is possible and valid for a DataInputStream to return 0. This should not be a problem since you should be testing for -1 for the end of stream.

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