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php5-fpm: Connection reset by peer (read) #7

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cergfix opened this issue Jul 29, 2015 · 4 comments
Open

php5-fpm: Connection reset by peer (read) #7

cergfix opened this issue Jul 29, 2015 · 4 comments

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@cergfix
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cergfix commented Jul 29, 2015

The following issue occurs under some circumstances:

[Wed Jul 29 08:17:36 UTC 2015] - INFO: java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
    at sun.nio.ch.IOUtil.read(IOUtil.java:192)
    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380)
    at com.googlecode.fcgi4j.util.IoUtils.socketRread(IoUtils.java:29)
    at com.googlecode.fcgi4j.FCGIConnection.readHeader(FCGIConnection.java:257)
    at com.googlecode.fcgi4j.FCGIConnection.read(FCGIConnection.java:526)

Works OK under HHVM FastCGI, but throws an error when PHP5-FPM is used.

There is a bit of a difference in strace outputs:

PHP5-FPM:

[pid 23018] write(4, "\1\6\0\1\37\370\0\0Expires: Thu, 19 Nov 1981 08:52:00 GMT\r\nCache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0\r\nPragma: no-cache\r\nContent-type: text/html; charset=UTF-8\r\n\r\n<!DOCTYPE html PUBLIC...............

HHVM:

sendmsg(19, {msg_name(0)=NULL, msg_iov(20)=[{"\1\6\0\1\377\377\1\1", 8}, {"Content-Type: text/html\r\nExpires: Thu, 19 Nov 1981 08:52:00 GMT\r\nCache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0\r\nVary: Accept-Encoding\r\nPragma: no-cache\r\n\r\n<!DOCTYPE html PUBLIC...............

Also, enabling Xhprof in PHP5-FPM fixes the issue.
@cergfix
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cergfix commented Sep 28, 2015

The issue occurs when content data (POST) push is executed while the request method is set to GET.

Use a condition:

String requestMethod = "GET";
connection.setRequestMethod(requestMethod);
if(requestMethod.equalsIgnoreCase("POST")){
    connection.setContentLength(postData.length);
    connection.write(ByteBuffer.wrap(postData));
}

This issue affects PHP5-FPM only.

@Nyholm
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Nyholm commented Sep 28, 2015

Okey. That is great that you have been troubleshooting.
Can you send a PR?

@cergfix
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cergfix commented Sep 28, 2015

Working on it :)

@Nyholm
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Nyholm commented Sep 28, 2015

You are awesome!

cergfix pushed a commit to cergfix/fcgi4j that referenced this issue Sep 28, 2015
fix for issue Happyr#7 (php5-fpm: Connection reset by peer (read)); r…
7de1a86 
…eadme update
cergfix pushed a commit to cergfix/fcgi4j that referenced this issue Sep 28, 2015
fix for issue Happyr#7 (php5-fpm: Connection reset by peer (read)); r…
4ebd605 
…eadme update
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@Nyholm @cergfix