java – 操作完成后Spymemcached挂起
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了java – 操作完成后Spymemcached挂起,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含2212字,纯文字阅读大概需要4分钟。
内容图文
![java – 操作完成后Spymemcached挂起](/upload/InfoBanner/zyjiaocheng/808/fdda59eeb8504bcc9f32a064db1e9e03.jpg)
我正在使用Spymemcached访问服务器上的Memcached.我使用以下命令启动了memcached
memcached -m 4096 -p 11211 -u memcache -l 127.0.0.1 -d -vvv
我正在使用以下驱动程序将一些键/值对放入Memcache.出于某种原因,在最后一次get操作之后,main函数才会挂起;它永远不会终止.
import java.net.InetSocketAddress;
import net.spy.memcached.MemcachedClient;
public class memcache {
public static void main(String args[]) {
//Connect to Memcache.
MemcachedClient c=null;
try{
c = new MemcachedClient(
new InetSocketAddress("127.0.0.1", 11211));
} catch (Exception e) {
System.err.println("Could not connect to Memcached.");
System.exit(-1);
}
System.out.println("Connected to Memcached.");
Object myObject = null;
for (int i = 0; i < 10; i++)
{
c.set(new String("HELLO"), 3600, i+1);
myObject=c.get("HELLO");
String value = myObject.toString();
System.out.println("***" + value);
}
System.out.println("Done.");
return;
}
}
我得到以下输出,但应用程序永远不会终止.
2011-12-04 14:18:31.839 INFO net.spy.memcached.MemcachedConnection: Added {QA sa=/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
Connected to Memcached.
2011-12-04 14:18:31.844 INFO net.spy.memcached.MemcachedConnection: Connection state changed for sun.nio.ch.SelectionKeyImpl@578088c0
***1
Done.
服务器报告以下状态:
<32 server listening (udp)
<33 new auto-negotiating client connection
33: going from conn_new_cmd to conn_waiting
33: going from conn_waiting to conn_read
33: going from conn_read to conn_parse_cmd
33: Client using the ascii protocol
<33 set HELLO 512 3600 1
33: going from conn_parse_cmd to conn_nread
> NOT FOUND HELLO
>33 STORED
33: going from conn_nread to conn_write
33: going from conn_write to conn_new_cmd
33: going from conn_new_cmd to conn_waiting
33: going from conn_waiting to conn_read
33: going from conn_read to conn_parse_cmd
<33 get HELLO
> FOUND KEY HELLO
>33 sending key HELLO
>33 END
33: going from conn_parse_cmd to conn_mwrite
33: going from conn_mwrite to conn_new_cmd
33: going from conn_new_cmd to conn_waiting
33: going from conn_waiting to conn_read
什么问题可能导致主函数永不终止?有没有人有什么建议?
解决方法:
解决方案很简单.客户端完成后必须断开连接:
c.shutdown(…)
这些例子都不包括这一关键步骤.
内容总结
以上是互联网集市为您收集整理的java – 操作完成后Spymemcached挂起全部内容,希望文章能够帮你解决java – 操作完成后Spymemcached挂起所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。