对于rsync:readerror:Connectionresetbypeer(104)感兴趣的读者，本文将提供您所需要的所有信息，并且为您提供关于(104)Connectionresetbypeer

对于rsync: read error: Connection reset by peer (104)感兴趣的读者，本文将提供您所需要的所有信息，并且为您提供关于(104) Connection reset by peer 怎么解决，这个问题、Android java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)、android下载文件出现SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)、apache ab压力测试报错（apr_socket_recv: Connection reset by peer (104)）的宝贵知识。

本文目录一览：

• rsync: read error: Connection reset by peer (104)
• (104) Connection reset by peer 怎么解决，这个问题
• Android java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)
• android下载文件出现SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)
• apache ab压力测试报错（apr_socket_recv: Connection reset by peer (104)）

rsync: read error: Connection reset by peer (104)

Centos7    rsync 守护进程上传文件失败

[root@nfs ~]# rsync -avz /etc rsync_backup@172.16.1.41::backup
sending incremental file list
rsync: read error: Connection reset by peer (104)
rsync error: error in socket IO (code 10) at io.c(785) [sender=3.1.2]

[root@backup ~]# systemctl status rsyncd
● rsyncd.service - fast remote file copy program daemon
Loaded: loaded (/usr/lib/systemd/system/rsyncd.service; enabled; vendor preset: disabled)
Active: active (running) since Tue 2019-01-15 22:29:50 CST; 5min ago
Main PID: 1245 (rsync)
CGroup: /system.slice/rsyncd.service
└─1245 /usr/bin/rsync --daemon --no-detach

Jan 15 22:29:50 backup systemd[1]: Started fast remote file copy program daemon.
Jan 15 22:29:50 backup systemd[1]: Starting fast remote file copy program daemon...
Jan 15 22:29:50 backup rsyncd[1245]: rsyncd version 3.1.2 starting, listening on port 873
Jan 15 22:30:20 backup rsyncd[1252]: Global parameter port found in module section!
Jan 15 22:30:20 backup rsyncd[1252]: params.c:Parameter() - Ignoring badly formed line ...ors
Jan 15 22:30:30 backup rsyncd[1252]: name lookup failed for 172.16.1.31: Name or servic...own
Jan 15 22:30:30 backup rsyncd[1252]: connect from UNKNOWN (172.16.1.31)
Jan 15 22:30:30 backup rsyncd[1252]: rsync to backup/ from UNKNOWN (172.16.1.31)
Jan 15 22:30:30 backup rsyncd[1252]: ERROR: module is read only
Jan 15 22:30:30 backup rsyncd[1252]: rsync error: syntax or usage error (code 1) at mai....2]
Hint: Some lines were ellipsized, use -l to show in full.

 

后来尝试重新写配置文件，发现成功了

[root@backup ~]# vim /etc/rsyncd.conf

(104) Connection reset by peer 怎么解决，这个问题

错误

您所请求的网址（URL）无法获取

---

当尝试读取以下网址（URL）时： http://www.tibetanqa.com/

发生了下列的错误：

• Read Error 
  读取错误

系统回应：

 (104) Connection reset by peer

An error condition occurred while reading data from the network. Please retry your request. 
正在通过网络读取数据时发生了错误，请重新尝试。

本缓存服务器管理员：support@cacheapp.com 

---

Generated Tue, 08 Sep 2015 09:09:29 GMT by www.qinghaiapp.com (Cdn Cache Server V2.0)

Android java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)

今天在开发测试的时候忽然出现的问题，具体httpclient.execute(httpRequest)时候会报出该异常。然后再也无法发送任何网络请求,之前从未发生过，代码也没有动过，然后换了一部别人的手机(代码未动过)之后发现可以正常使用，感觉很奇怪。想知道原因。

异常内容：

java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer);

     at libcore.io.IoBridge.maybeThrowAfterRecvfrom(IoBridge.java:592)
     at libcore.io.IoBridge.recvfrom(IoBridge.java:556)
     at java.net.PlainSocketImpl.read(PlainSocketImpl.java:485)
     at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:37)
     at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:237)
 at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:191)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:82)
 at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:174)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:180)
 at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:235)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:259)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121)
 at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:428)
 at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
 at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
 at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)

android下载文件出现SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)

用AndroidHttpClient下载文件报错， 在网上搜了好久，都没能解决问题。。。

但是用android UC浏览器，或者在pc上下载都是正常的。

apache ab压力测试报错（apr_socket_recv: Connection reset by peer (104)）

apache ab压力测试报错（apr_socket_recv: Connection reset by peer (104)）

apache ab压力测试报错（apr_socket_recv: Connection reset by peer (104)）  

 

 

今天用apache 自带的ab工具测试，当并发量达到1000多的时候报错如下：

[root@aa~]# This is ApacheBench, Version 2.3 <$Revision: 655654 $>

Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/

Licensed to The Apache Software Foundation, http://www.apache.org/

 

Benchmarking 192.168.1.176 (be patient)

Completed 300 requests

Completed 600 requests

Completed 900 requests

apr_socket_recv: Connection reset by peer (104)

Total of 1085 requests completed

 

查看应用服务器和数据库均未报错，连接被重置，bingyi了以下，apr_socket_recv这个是操作系统内核的一个参数，在高并发的情况下，内核会认为系统受到了SYN flood攻击，会发送cookies（possible SYN flooding on port 80. Sending cookies），这样会减慢影响请求的速度，所以在应用服务武器上设置下这个参数为0禁用系统保护就可以进行大并发测试了：

# vim /etc/sysctl.conf 

net.ipv4.tcp_syncookies = 0

# sysctl -p

然后就可以超过1000个并发测试了。

 

另附其他系统内核参数说明：

 

net.ipv4.tcp_syncookies = 0  

#此参数是为了防止洪水攻击的，但对于大并发系统，要禁用此设置

 

net.ipv4.tcp_max_syn_backlog

#参数决定了SYN_RECV状态队列的数量，一般默认值为512或者1024，即超过这个数量，系统将不再接受新的TCP连接请求，一定程度上可以防止系统资源耗尽。可根据情况增加该值以接受更多的连接请求。

 

net.ipv4.tcp_tw_recycle

#参数决定是否加速TIME_WAIT的sockets的回收，默认为0。

 

net.ipv4.tcp_tw_reuse

#参数决定是否可将TIME_WAIT状态的sockets用于新的TCP连接，默认为0。

 

net.ipv4.tcp_max_tw_buckets

#参数决定TIME_WAIT状态的sockets总数量，可根据连接数和系统资源需要进行设置。 

 

参考：

http://zhumeng8337797.blog.163.com/blog/static/100768914201262091634698/

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本文标签：

• rsync_error
• connection_reset
• network_issue
• remote_server_problem