锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲精品乱码久久久久久V,亚洲国产成人久久综合碰,亚洲美女高清一区二区三区http://www.tkk7.com/zhangrenquan/category/50363.htmlzh-cnMon, 01 Sep 2014 04:50:41 GMTMon, 01 Sep 2014 04:50:41 GMT60瑙ｅ喅linux涓媡many open files闂http://www.tkk7.com/zhangrenquan/articles/417485.htmlkelvenkelvenFri, 29 Aug 2014 01:58:00 GMThttp://www.tkk7.com/zhangrenquan/articles/417485.htmlhttp://www.tkk7.com/zhangrenquan/comments/417485.htmlhttp://www.tkk7.com/zhangrenquan/articles/417485.html#Feedback0http://www.tkk7.com/zhangrenquan/comments/commentRss/417485.htmlhttp://www.tkk7.com/zhangrenquan/services/trackbacks/417485.html宸ヤ綔涓彂鐜幫紝鍦╨inux涓惌寤篔BOSS搴旂敤鏈嶅姟鍣ㄧ殑鐜涓嬶紝鏈夋椂鍙兘鍚屾椂鍙戝竷澶氫釜war鍖咃紝鑰屼笖姣忎竴涓獁ar鍖呯殑鏂囦歡鏁扮洰寰堝錛屾垨鑰呭鎴峰悓鏃惰闂噺姣旇緝澶э紝姝ゆ椂JBOSS灝變細鎶ラ敊錛屾姤閿欎俊鎭腑鍖呭惈“Too many open files”錛屼緥濡傦細

Caused by: java.io.FileNotFoundException: /home/jboss/jboss-5.1.0.GA/server/default/deploy/card.war/WEB-INF/web.xml (Too many open files)
 at java.io.FileInputStream.open(Native Method)
 at java.io.FileInputStream.<init>(FileInputStream.java:120)
 at org.jboss.net.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:128)
 at org.jboss.virtual.plugins.context.AbstractURLHandler.openStream(AbstractURLHandler.java:203)
 at org.jboss.virtual.VirtualFile.openStream(VirtualFile.java:230)
 at org.jboss.virtual.VFSInputSource.getByteStream(VFSInputSource.java:66)
 ... 44 more

榪欐槸鍥犱負linux闄愬埗浜嗘墦寮鏂囦歡鐨勬渶澶у彞鏌勬暟閲忋?/span>

linux榛樿鐨勬墦寮鏂囦歡鏁伴噺鏄?024錛屾垜浠彲浠ョ敤ulimit -a 鏉ユ煡鐪嬬郴緇熻祫婧愶紝渚嬪錛?/span>

[root@redhat ~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                   (-n) 1024 --鎵撳紑鏈澶ф枃浠舵暟閲忛檺鍒?/span>
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 16384
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

瑙ｅ喅璇ラ棶棰樼殑瀹楁棬鏄細澧炲ぇ鎵撳紑鏂囦歡鏈澶у彞鏌勯檺鍒舵暟錛岃鏁版槸1024鐨勬暣鏁板?/span>

1.涓存椂澧炲ぇopen files鐨勯檺鍒跺?/span>

  鍙互鐢╱limit -n 鏉ヤ復鏃跺澶ц闄愬埗鍊鹼紝浣嗘槸涓鏃﹂噸鍚湇鍔″櫒鍚庯紝璇ュ煎張浼氭仮澶嶅埌1024銆傚彧鑳芥殏鏃舵х殑瑙ｅ喅闂銆傚懡浠ゅ涓嬶細

[root@redhat ~]# ulimit -n 65536
[root@redhat ~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65536
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 16384
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

2.褰誨簳澧炲ぇopen files鐨勯檺鍒跺?/span>

  涓鑸儏鍐典笅錛屾垜浠兘浼氶氳繃淇敼緋葷粺闄愬埗鏂囦歡鏉ュ交搴曞澶pen files鐨勫箋?/span>

2.1 閫氳繃VI鎵撳紑/etc/security/limits.conf錛屽湪“# End of file”涓婇潰娣誨姞濡備笅錛?/span>

    *  -  nofile  65536

    璇ヨ鍙ヨ〃紺猴細姣忎竴涓敤鎴風殑榛樿鎵撳紑鏂囦歡鏁版槸65536


2.2 閫氳繃VI鎵撳紑/etc/sysctl.conf,鍦ㄦ渶鍚庝竴琛屾坊鍔犲涓嬶細 
  
     fs.file-max = 65536 
  
2.3 閲嶅惎ssh鏈嶅姟
淇敼ssh server閰嶇疆鏂囦歡錛?etc/ssh/sshd_config
UseLogin yes

閲嶅惎ssh 鐢?etc/init.d/sshd restart

姝ゆ椂鍐嶇敤ulimit -a鏉ユ煡鐪嬶細 
[root@redhat ~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65536
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 16384
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

錛堝鏋滆繕涓嶈鍙互閲嶅惎涓嬫湇鍔″櫒璇曡瘯錛?br />



kelven 2014-08-29 09:58 鍙戣〃璇勮
]]>Web搴旂敤浠嶹ebsphere鍚慗Boss榪佺Щ娉ㄦ剰浜嬮」http://www.tkk7.com/zhangrenquan/articles/366383.htmlkelvenkelvenWed, 14 Dec 2011 15:52:00 GMThttp://www.tkk7.com/zhangrenquan/articles/366383.htmlhttp://www.tkk7.com/zhangrenquan/comments/366383.htmlhttp://www.tkk7.com/zhangrenquan/articles/366383.html#Feedback0http://www.tkk7.com/zhangrenquan/comments/commentRss/366383.htmlhttp://www.tkk7.com/zhangrenquan/services/trackbacks/366383.html[杞嚜錛?a >http://blog.csdn.net/mypop/article/details/6117212]

榪戞湡鏈変竴欏圭洰錛岄渶瑕佷粠Websphere鏈嶅姟鍣ㄨ縼縐昏嚦JBoss eap 5.0銆傜粡榪囧嬈″弽澶嶏紝鍦ㄦ祴璇曟満鍣ㄤ笂榪佺Щ鎴愬姛錛岃褰曡嚦姝わ紝浠ュ鍚庣敤銆?/p>

 

1. 鍦╯erver/default/deploy璺緞涓嬪鍔爋racle-ds.xml鏂囦歡錛屽畾涔夋暟鎹簱榪炴帴鐨刯ndi錛屽唴瀹瑰涓嬶細

 

  1. <?xml version="1.0" encoding="UTF-8"?>  
  2. <datasources>  
  3.   <local-tx-datasource>  
  4.     <jndi-name>jdbc/xxx</jndi-name>  
  5.     <use-java-context>false</use-java-context>  
  6.    <connection-url>jdbc:oracle:thin:@ip:port:sid</connection-url>  
  7.   
  8.    <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>  
  9.   
  10.    <user-name>username</user-name>  
  11.   
  12.    <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>  
  13.   
  14.    <metadata>  
  15.  <type-mapping>Oracle9i</type-mapping>  
  16.    </metadata>  
  17.   
  18.  </local-tx-datasource>  
  19. </datasources>  

 

 

2. 鍦ㄥ簲鐢ㄧ殑web-inf鐩綍涓嬪鍔爅boss-web.xml鏂囦歡錛屽叾涓?lt;res-ref-name>鎸囧畾鐨勬爣璇嗕笌web.xml涓殑<resource-ref>涓嬬殑<res-ref-name>鏍囪瘑涓鑷達紝鍐呭濡備笅錛?/p>

 

  1. <?xml version="1.0" encoding="ISO-8859-1"?>  
  2. <!DOCTYPE jboss-web  
  3.     PUBLIC "-//JBoss//DTD Web Application 2.3V2//EN"  
  4.     "http://www.jboss.org/j2ee/dtd/jboss-web_3_2.dtd">  
  5. <jboss-web>  
  6.     <resource-ref>  
  7.         <res-ref-name>jdbc/xxx</res-ref-name>  
  8.         <jndi-name>jdbc/xxx</jndi-name>  
  9.     </resource-ref>  
  10. </jboss-web>  

 

 

3. ojdbc14.jar椹卞姩鏀懼湪server/default/lib璺緞涓嬶紝涓嶈兘鏀懼湪搴旂敤web-inf/lib涓紝鍚﹀垯鎶pparently wrong driver class specified for URL: class: oracle.jdbc.driver.OracleDriver

 

4. 鍒犻櫎搴旂敤web-inf/lib涓殑 xerces*.jar and xml-apis*.jar 錛屽惁鍒欐姤XML error parsing: context.xml

  

5. log4j.jar 闇瑕?.2.13浠ヤ笂鐗堟湰

 

6. 鍒犻櫎oscore.jar涓璵eta-inf涓殑xml鏂囦歡錛岃繖浜涙枃浠剁敤浜嶦JB閮ㄧ講銆?/p>

kelven 2011-12-14 23:52 鍙戣〃璇勮
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