https://defect.opensolaris.org/bz/show_bug.cgi?id=17127
Summary: Opengork leaving too many open files.
Classification: Development
Product: opengrok
Version: unspecified
Platform: ANY/Generic
OS/Version: Linux
Status: NEW
Severity: major
Priority: P3
Component: webapp
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created attachment 4311
--> https://defect.opensolaris.org/bz/attachment.cgi?id=4311
List of cfs files left lsof | grep cfx
This issue is similar to the one Bug 16692 and its causing a daily downtime
for our production server. The catalina.out shows below error when OpenGrok
starts not responding.
INFO: Reloading this Context has started
Sep 27, 2010 4:24:29 PM org.apache.catalina.startup.ContextConfig
defaultWebConfig
SEVERE: Missing default web.xml, using application web.xml only conf/web.xml
/usr/local/tomcat/conf/web.xml
java.io.FileNotFoundException: /usr/local/tomcat/conf/web.xml (Too many open
files)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at
org.apache.catalina.startup.ContextConfig.defaultWebConfig(ContextConfig.java:598)
at
org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1047)
at
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4184)
at
org.apache.catalina.core.StandardContext.reload(StandardContext.java:3056)
at
org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:432)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1278)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1570)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1559)
at java.lang.Thread.run(Thread.java:619)
When we look at the opened files in system its found that there are too many
files opened by OpenGrok. Please find below statistics at the time of tomcat
crash. Also I am attaching the .cfs files opened (817) for reference.
Tomcat PID=1357
lsof -p 1357 | wc -l
1063
lsof -u root | wc -l
3494
lsof | grep java | wc -l
1108
lsof | grep cfx | wc -l
123
lsof | grep cfs | wc -l
817
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