I will get the current snapshot today and do some further testing.

Peter

-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Auftrag von
Matthias Wessendorf
Gesendet: Donnerstag, 5. Juli 2007 10:24
An: MyFaces Discussion
Betreff: Re: [Trinidad] Causing Too many open files error?


The continuum server is back again, and I started the build process manually.

So, inside the Apache M2 snapshot repo ([1]) you'll now find a build
of 102-snap from today (July 5th)

-Matthias

[1] http://people.apache.org/repo/m2-snapshot-repository/

On 7/4/07, Adam Winer <[EMAIL PROTECTED]> wrote:
> I'm not reproducing a problem.  At the very
> minimum, in FileInputStream.finalize(), fd.handle always
> seems to be -1 now, whereas it used to be still set
> a lot before.  Admittedly I'm not using Tomcat,
> antiJarLocking or no antiJarLocking.
>
> Is it possible that Matthias gave you a snapshot before
> the fix landed?
>
> -- Adam
>
>
>
> On 7/2/07, Adam Winer <[EMAIL PROTECTED]> wrote:
> > Thanks - everything in web.xml seems as it should be.
> > Back to the code for me...
> >
> > -- Adam
> >
> >
> >
> > On 7/1/07, Fleischer Peter <[EMAIL PROTECTED]> wrote:
> > > Hi Adam,
> > >
> > > there are a lot of open files just after deployment of the application. 
> > > That's right. And also these files are closed by first GC. But the files 
> > > listed in my last post are really opened repeatedly and I see more and 
> > > more of them with every open browser session. The .js files seem to be 
> > > cached in the browser so the open files are not duplicated every time. 
> > > But by doing a browser refresh I can increase the number of open files by 
> > > about 30.
> > >
> > > This is using Tomcat 5.5.23 running with Sun's Java VM 1.5.0_08. This is 
> > > my web.xml:
> > >
> > > -------------- SNIP --------------------
> > > <?xml version="1.0" encoding="ISO-8859-1"?>
> > > <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"; 
> > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> > > xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
> > > http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
> > >
> > >     <description>Webapplication for Sequence Planning</description>
> > >     <display-name>Weasel</display-name>
> > >
> > >     <context-param>
> > >         <param-name>org.apache.myfaces.AUTO_SCROLL</param-name>
> > >         <param-value>true</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <param-name>org.apache.myfaces.PRETTY_HTML</param-name>
> > >         <param-value>true</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Use client-side state saving. In Trinidad, it is an
> > >             optimized, token-based mechanism that is almost always a
> > >             better choice than the standard JSF server-side state saving.
> > >         </description>
> > >         <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
> > >         <param-value>client</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Konfiguration faces-config.xml in mehrere Dateien aufgeteilt.
> > >         </description>
> > >         <param-name>javax.faces.CONFIG_FILES</param-name>
> > >         
> > > <param-value>/WEB-INF/beans.xml,/WEB-INF/navigation.xml</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             ADF Faces also supports an optimized strategy for caching some
> > >             view state at an application level, which significantly 
> > > improves
> > >             scalability.  However, it makes it harder to develop (updates 
> > > to
> > >             pages will not be noticed until the server is restarted), and 
> > > in
> > >             some rare cases cannot be used for some pages (see ADF Faces
> > >             documentation for more information).
> > >         </description>
> > >         
> > > <param-name>org.apache.myfaces.trinidad.USE_APPLICATION_VIEW_CACHE</param-name>
> > >         <param-value>true</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             If this parameter is enabled, ADF Faces will automatically
> > >             check the modification date of your JSPs, and discard saved
> > >             state when they change;  this makes development easier,
> > >             but adds overhead that should be avoided when your application
> > >             is deployed.
> > >         </description>
> > >         
> > > <param-name>org.apache.myfaces.trinidad.CHECK_FILE_MODIFICATION</param-name>
> > >         <param-value>false</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Enables Change Persistence at a session scope.  By default,
> > >             Change Persistence is entirely disabled. The ChangeManager is
> > >             an API, which can persist component modifications (like,
> > >             is a showDetail or tree expanded or collapsed). For providing
> > >             a custom Change Persistence implementation inherit from the
> > >             ADF Faces API's ChangeManager class. As the value you have
> > >             to use the fullqualified class name.
> > >         </description>
> > >         
> > > <param-name>org.apache.myfaces.trinidad.CHANGE_PERSISTENCE</param-name>
> > >         <param-value>session</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Über den AlternateViewHandler wird Facelets als ViewHandler 
> > > in die
> > >             Verkettung der ViewHandler mit aufgenommen.
> > >         </description>
> > >         
> > > <param-name>org.apache.myfaces.trinidad.ALTERNATE_VIEW_HANDLER</param-name>
> > >         <param-value>com.sun.facelets.FaceletViewHandler</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Use Documents Saved as *.xhtml.
> > >         </description>
> > >         <param-name>javax.faces.DEFAULT_SUFFIX</param-name>
> > >         <param-value>.xhtml</param-value>
> > >     </context-param>
> > >
> > >     <context-param>
> > >         <description>
> > >             Special Facelets Debug Output for Development.
> > >         </description>
> > >         <param-name>facelets.DEVELOPMENT</param-name>
> > >         <param-value>false</param-value>
> > >     </context-param>
> > >
> > >
> > >     <context-param>
> > >         <param-name>automaticDataPoller.timeoutSeconds</param-name>
> > >         <param-value>60</param-value>
> > >     </context-param>
> > >     <filter>
> > >         <filter-name>trinidad</filter-name>
> > >         
> > > <filter-class>org.apache.myfaces.trinidad.webapp.TrinidadFilter</filter-class>
> > >     </filter>
> > >
> > >     <filter-mapping>
> > >         <filter-name>trinidad</filter-name>
> > >         <servlet-name>faces</servlet-name>
> > >         <dispatcher>REQUEST</dispatcher>
> > >         <dispatcher>ERROR</dispatcher>
> > >     </filter-mapping>
> > >
> > >     <!-- Faces Servlet -->
> > >     <listener>
> > >         <description>Regelmäßige DB-Selects.</description>
> > >         
> > > <listener-class>fmg.lf14.weasel.AutomaticDataPoller</listener-class>
> > >     </listener>
> > >     <servlet>
> > >         <description>Faces Servlet</description>
> > >         <servlet-name>faces</servlet-name>
> > >         <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
> > >     </servlet>
> > >
> > >     <!-- resource loader servlet -->
> > >     <servlet>
> > >         <description>Resource Loader servlet für Trinidad.</description>
> > >         <servlet-name>resources</servlet-name>
> > >         
> > > <servlet-class>org.apache.myfaces.trinidad.webapp.ResourceServlet</servlet-class>
> > >     </servlet>
> > >
> > >     <servlet>
> > >         <description>Resource Loader servlet für FMG 
> > > Ressourcen.</description>
> > >         <servlet-name>FMGResources</servlet-name>
> > >         
> > > <servlet-class>fmg.lz06.jsfUtil.resource.ResourceServlet</servlet-class>
> > >     </servlet>
> > >
> > >     <servlet>
> > >         <servlet-name>PrintTable</servlet-name>
> > >         <servlet-class>fmg.lf14.weasel.PrintTable</servlet-class>
> > >     </servlet>
> > >
> > >     <!-- Faces Servlet Mappings -->
> > >     <servlet-mapping>
> > >         <servlet-name>faces</servlet-name>
> > >         <url-pattern>/faces/*</url-pattern>
> > >     </servlet-mapping>
> > >
> > >     <servlet-mapping>
> > >         <servlet-name>resources</servlet-name>
> > >         <url-pattern>/adf/*</url-pattern>
> > >     </servlet-mapping>
> > >
> > >     <servlet-mapping>
> > >         <servlet-name>PrintTable</servlet-name>
> > >         <url-pattern>/PrintTable</url-pattern>
> > >     </servlet-mapping>
> > >
> > >     <error-page>
> > >         <error-code>403</error-code>
> > >         <location>/faces/error403.xhtml</location>
> > >     </error-page>
> > >
> > >     <error-page>
> > >         <error-code>404</error-code>
> > >         <location>/faces/error404.xhtml</location>
> > >     </error-page>
> > >
> > >     <error-page>
> > >         <error-code>500</error-code>
> > >         <location>/error500.jsp</location>
> > >     </error-page>
> > >
> > >     <error-page>
> > >         <exception-type>java.lang.Throwable</exception-type>
> > >         <location>/error500.jsp</location>
> > >     </error-page>
> > >
> > >     <error-page>
> > >         <exception-type>java.lang.RuntimeException</exception-type>
> > >         <location>/faces/exception.xhtml</location>
> > >     </error-page>
> > >
> > >     <!-- Container soll nach 30 Minuten für Timeout der Session sorgen. 
> > > Dies
> > >          ist nur ein zusätzliches Feature zum automatischen Refresh aus 
> > > der
> > >          layout.xhtml. -->
> > >     <session-config>
> > >         <session-timeout>30</session-timeout>
> > >     </session-config>
> > >
> > >     <welcome-file-list>
> > >         <welcome-file>index.html</welcome-file>
> > >     </welcome-file-list>
> > >
> > >     <security-constraint>
> > >         <display-name>Weasel Gesamt</display-name>
> > >         <web-resource-collection>
> > >             <web-resource-name>secureWeasel</web-resource-name>
> > >             <description/>
> > >             <url-pattern>/faces/pages/*</url-pattern>
> > >         </web-resource-collection>
> > >         <auth-constraint>
> > >             <description/>
> > >             <role-name>weasel</role-name>
> > >         </auth-constraint>
> > >     </security-constraint>
> > >
> > >     <security-constraint>
> > >         <display-name>Weasel Detailansicht</display-name>
> > >         <web-resource-collection>
> > >             <web-resource-name>secureWeaselDetail</web-resource-name>
> > >             <description/>
> > >             
> > > <url-pattern>/faces/pages/tableSequenceDetail.xhtml</url-pattern>
> > >         </web-resource-collection>
> > >         <auth-constraint>
> > >             <description/>
> > >             <role-name>weasel-detail</role-name>
> > >         </auth-constraint>
> > >     </security-constraint>
> > >
> > >     <login-config>
> > >         <auth-method>FORM</auth-method>
> > >         <realm-name/>
> > >         <form-login-config>
> > >             <form-login-page>/faces/login.xhtml</form-login-page>
> > >             <form-error-page>/faces/login.xhtml</form-error-page>
> > >         </form-login-config>
> > >     </login-config>
> > >
> > >     <security-role>
> > >         <description>Rolle für prinzipiellen Zugriff auf 
> > > Weasel.</description>
> > >         <role-name>weasel</role-name>
> > >     </security-role>
> > >
> > >     <security-role>
> > >         <description>Rolle für Zugriff auf Detail-Sequenz.</description>
> > >         <role-name>weasel-detail</role-name>
> > >     </security-role>
> > >
> > >     <resource-ref>
> > >         <res-ref-name>jdbc/myoracle</res-ref-name>
> > >         <res-type>javax.sql.DataSource</res-type>
> > >         <res-auth>Container</res-auth>
> > >         <res-sharing-scope>Shareable</res-sharing-scope>
> > >     </resource-ref>
> > >
> > > </web-app>
> > > ---------------- SNIP -----------------
> > >
> > > Please let me know, if you need to see any other files.
> > >
> > > Peter
> > >
> > >
> > >
> > > -----Ursprüngliche Nachricht-----
> > > Von: Adam Winer [mailto:[EMAIL PROTECTED]
> > > Gesendet: Freitag, 29. Juni 2007 18:03
> > > An: MyFaces Discussion
> > > Betreff: Re: [Trinidad] Causing Too many open files error?
> > >
> > >
> > > These files should at most get locked once, and only at
> > > startup, and the first GC should flush them...  Are you
> > > really seeing repeated locks on these files?  Could
> > > you show your web.xml?
> > >
> > > -- Adam
> > >
> > >
> > >
> > > On 6/29/07, Fleischer Peter <[EMAIL PROTECTED]> wrote:
> > > >
> > > >
> > > > Hi Adam,
> > > >
> > > > yesterday Matthias sent me a 1.0.2-SNAPSHOT (tanks again!). I did some
> > > > further testing with Tomcat and having the antiJarLocking option set to 
> > > > true
> > > > in the the context.xml. With these settings I think I was able to track 
> > > > down
> > > > the problem to a list of filenames as follows:
> > > >
> > > >
> > > > java    12738 tomcat   65r  VREG         85,40    26783  270804
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/adf/styles/cache/fmg-desktop-1745436599-ie-6-cmp.css
> > > > java    12738 tomcat   66r  VREG         85,40     2961 2719345
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CharSets.js
> > > > java    12738 tomcat   67r  VREG         85,40    18937 2719361
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CoreFormat.js
> > > > java    12738 tomcat   68r  VREG         85,40     3292 2719346
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateField.js
> > > > java    12738 tomcat   69r  VREG         85,40      365 2719356
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFieldFormat.js
> > > > java    12738 tomcat   70r  VREG         85,40    12361 2719350
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFormat.js
> > > > java    12738 tomcat   71r  VREG         85,40    10945 2719358
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Locale.js
> > > > java    12738 tomcat   72r  VREG         85,40    44505 2719364
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Core.js
> > > > java    12738 tomcat   73r  VREG         85,40     4944 2719342
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Window.js
> > > > java    12738 tomcat   74r  VREG         85,40     3267 2719355
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/TableProxy.js
> > > > java    12738 tomcat   75r  VREG         85,40     1021 2719259
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Poll.js
> > > > java    12738 tomcat   76r  VREG         85,40     2918 2719348
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorField.js
> > > > java    12738 tomcat   77r  VREG         85,40      391 2719357
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFieldFormat.js
> > > > java    12738 tomcat   78r  VREG         85,40     5857 2719351
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFormat.js
> > > > java    12738 tomcat   79r  VREG         85,40    18382 2719353
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Shuttle.js
> > > > java    12738 tomcat   80r  VREG         85,40     4648 2719363
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Page.js
> > > > java    12738 tomcat   81r  VREG         85,40      639 2719362
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/StatusIndicator.js
> > > > java    12738 tomcat   82r  VREG         85,40    10520 2791503
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/RequestQueue.js
> > > > java    12738 tomcat   83r  VREG         85,40     2041 2791500
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequest.js
> > > > java    12738 tomcat   84r  VREG         85,40     1630 2791501
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequestEvent.js
> > > > java    12738 tomcat   85r  VREG         85,40     1594 2791502
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/IFrameXMLRequestEvent.js
> > > > java    12738 tomcat   86r  VREG         85,40       86 2653467
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/t.gif
> > > > java    12738 tomcat   87r  VREG         85,40       86 2653467
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/t.gif
> > > > java    12738 tomcat   88r  VREG         85,40       86 2653467
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/t.gif
> > > > java    12738 tomcat   90r  VREG         85,40    26783  270804
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/adf/styles/cache/fmg-desktop-1745436599-ie-6-cmp.css
> > > > java    12738 tomcat   91r  VREG         85,40    26783  270804
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/adf/styles/cache/fmg-desktop-1745436599-ie-6-cmp.css
> > > > java    12738 tomcat   92r  VREG         85,40     2961 2719345
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CharSets.js
> > > > java    12738 tomcat   93r  VREG         85,40    18937 2719361
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CoreFormat.js
> > > > java    12738 tomcat   94r  VREG         85,40     3292 2719346
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateField.js
> > > > java    12738 tomcat   95r  VREG         85,40      365 2719356
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFieldFormat.js
> > > > java    12738 tomcat   96r  VREG         85,40    12361 2719350
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFormat.js
> > > > java    12738 tomcat   97r  VREG         85,40    10945 2719358
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Locale.js
> > > > java    12738 tomcat   98r  VREG         85,40    44505 2719364
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Core.js
> > > > java    12738 tomcat   99r  VREG         85,40     4944 2719342
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Window.js
> > > > java    12738 tomcat  100r  VREG         85,40     3267 2719355
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/TableProxy.js
> > > > java    12738 tomcat  101r  VREG         85,40     1021 2719259
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Poll.js
> > > > java    12738 tomcat  102r  VREG         85,40     2918 2719348
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorField.js
> > > > java    12738 tomcat  103r  VREG         85,40      391 2719357
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFieldFormat.js
> > > > java    12738 tomcat  104r  VREG         85,40     5857 2719351
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFormat.js
> > > > java    12738 tomcat  105r  VREG         85,40    18382 2719353
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Shuttle.js
> > > > java    12738 tomcat  106r  VREG         85,40     4648 2719363
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Page.js
> > > > java    12738 tomcat  107r  VREG         85,40      639 2719362
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/StatusIndicator.js
> > > > java    12738 tomcat  108r  VREG         85,40    10520 2791503
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/RequestQueue.js
> > > > java    12738 tomcat  109r  VREG         85,40     2041 2791500
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequest.js
> > > > java    12738 tomcat  110r  VREG         85,40     1630 2791501
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequestEvent.js
> > > > java    12738 tomcat  111r  VREG         85,40     1594 2791502
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/IFrameXMLRequestEvent.js
> > > > java    12738 tomcat  112r  VREG         85,40     2961 2719345
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CharSets.js
> > > > java    12738 tomcat  113r  VREG         85,40    18937 2719361
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/CoreFormat.js
> > > > java    12738 tomcat  114r  VREG         85,40     3292 2719346
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateField.js
> > > > java    12738 tomcat  115r  VREG         85,40      365 2719356
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFieldFormat.js
> > > > java    12738 tomcat  116r  VREG         85,40    12361 2719350
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/DateFormat.js
> > > > java    12738 tomcat  117r  VREG         85,40    10945 2719358
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Locale.js
> > > > java    12738 tomcat  118r  VREG         85,40    44505 2719364
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Core.js
> > > > java    12738 tomcat  119r  VREG         85,40     4944 2719342
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Window.js
> > > > java    12738 tomcat  120r  VREG         85,40     3267 2719355
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/TableProxy.js
> > > > java    12738 tomcat  121r  VREG         85,40     1021 2719259
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Poll.js
> > > > java    12738 tomcat  122r  VREG         85,40     2918 2719348
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorField.js
> > > > java    12738 tomcat  123r  VREG         85,40      391 2719357
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFieldFormat.js
> > > > java    12738 tomcat  124r  VREG         85,40     5857 2719351
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/ColorFormat.js
> > > > java    12738 tomcat  125r  VREG         85,40    18382 2719353
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Shuttle.js
> > > > java    12738 tomcat  126r  VREG         85,40     4648 2719363
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/Page.js
> > > > java    12738 tomcat  127r  VREG         85,40      639 2719362
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/StatusIndicator.js
> > > > java    12738 tomcat  128r  VREG         85,40    10520 2791503
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/RequestQueue.js
> > > > java    12738 tomcat  129r  VREG         85,40     2041 2791500
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequest.js
> > > > java    12738 tomcat  130r  VREG         85,40     1630 2791501
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/XMLRequestEvent.js
> > > > java    12738 tomcat  131r  VREG         85,40     1594 2791502
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/jsLibs/xhr/IFrameXMLRequestEvent.js
> > > > java    12738 tomcat  133r  VREG         85,40      286 2653419
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/list-bullet.gif
> > > > java    12738 tomcat  134r  VREG         85,40      417 2653475
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/siready.gif
> > > > java    12738 tomcat  135r  VREG         85,40      781 2653474
> > > > /home/tomcat/CATALINA_BASE/work/Catalina/localhost/weasel/loader/META-INF/adf/images/sibusy.gif
> > > >
> > > >
> > > > This was tested with clearing the browser cache in before doing any 
> > > > requests
> > > > to my application and navigating around a little bit. Repeating this 
> > > > test
> > > > with a second browser (also clean cache) duplicated the count of open 
> > > > files.
> > > >
> > > > For now we manually do a GC in our application every 5 minutes to 
> > > > alleviate
> > > > the problem but this is certainly only a quick&dirty solution.
> > > >
> > > > Peter
> > > >
> > > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von: Adam Winer [mailto:[EMAIL PROTECTED]
> > > > Gesendet: Donnerstag, 21. Juni 2007 23:29
> > > >
> > > > An: MyFaces Discussion
> > > > Betreff: Re: [Trinidad] Causing Too many open files error?
> > > >
> > > >
> > > > On 6/21/07, Simon Lessard <[EMAIL PROTECTED]> wrote:
> > > > > Hmmm, I assume this is used mainly to detect skin files' version?
> > > >
> > > >
> > > >
> > > > It's used in a bunch of places to detect modification - skin
> > > > files, ResourceServlet, jsp modifications, etc.
> > > > I've checked in a fix that should resolve this,
> > > > but I'm not 100% sure.  I've mostly been looking at
> > > > the calls to FileInputStream.finalize() - there were a
> > > > lot coming in that had still-open FileDescriptors.
> > > > I'd appreciate further testing.
> > > >
> > > >
> > > > It'd be worthwhile to look at optimizing further to block
> > > > any attempt to call getLastModified() on a JAR, but
> > > > for now I'm hoping it'll be enough to close up all URLConnections.
> > > > In a bit of googling, it'd seem that this has bitten a lot
> > > > of developers.
> > > >
> > > >
> > > > -- Adam
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > > Maybe we could create a kind of ResourceDescriptor file that would 
> > > > > include
> > > > two URLs, the real one and the container file's (the .jar URL for 
> > > > instance,
> > > > but would be the same as the real URL most of the time). The 
> > > > getLastModified
> > > > method of the ResourceDescriptor could then use that second URL for 
> > > > purpose
> > > > of modification checks, theorically preventing the JVM from opening the 
> > > > JAR
> > > > file.
> > > > >
> > > > >
> > > > > Regards,
> > > > >
> > > > > ~ Simon
> > > > >
> > > > >
> > > > >
> > > > > On 6/21/07, Adam Winer < [EMAIL PROTECTED]> wrote:
> > > > > > I think I've found the problem - Trinidad calls
> > > > > > URLConnection.getLastModified() in a number
> > > > > > of places.  If that's pointing at an URL from
> > > > > > inside a JAR, this will implicitly open the
> > > > > > JAR file, and not release the file until GC.
> > > > > > Looking at solutions now.
> > > > > >
> > > > > >
> > > > > > -- Adam
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > On 6/21/07, Fleischer Peter
> > > > <[EMAIL PROTECTED]> wrote:
> > > > > > >
> > > > > > >
> > > > > > > The problem is reproducable. After restarting tomcat and some 
> > > > > > > requests
> > > > to my application the jar file will again be opened multiple times. 
> > > > Every
> > > > (initial?) request to a page increases the number. Eventually after some
> > > > time the files are garbage collected.
> > > > > > >
> > > > > > > Peter
> > > > > > >
> > > > > > > -----Ursprüngliche Nachricht-----
> > > > > > > Von: Scott O'Bryan [mailto:[EMAIL PROTECTED]
> > > > > > > Gesendet: Donnerstag, 21. Juni 2007 00:29
> > > > > > > An: MyFaces Discussion
> > > > > > > Betreff: Re: [Trinidad] Causing Too many open files error?
> > > > > > >
> > > > > > >
> > > > > > > I saw this as well using Oracle JDeveloper so I agree that I don't
> > > > think this is a Tomcat issue.  I'm not sure what might be causing this
> > > > though because I shut down my webserver and restarted it and everything 
> > > > has
> > > > been working fine since.
> > > > > > >
> > > > > > > What happens when you restart tomcat?
> > > > > > >
> > > > > > > Scott
> > > > > > >
> > > > > > >
> > > > > > > On 6/20/07, Fleischer Peter
> > > > <[EMAIL PROTECTED] > wrote:
> > > > > > > > Hello,
> > > > > > > >
> > > > > > > > we are developing a quite simple application based on MyFaces,
> > > > Trinidad and Facelets. After deploying this application to a Tomcat 
> > > > 5.5.23
> > > > and using the application for a while we are facing connection errors in
> > > > Tomcat caused by too many open files.
> > > > > > > >
> > > > > > > > Checking the running Tomcat process with lsof (list open files) 
> > > > > > > > we
> > > > discovered, that  <application>/WEB-INF/lib/trinidad-
> > > > impl-1.0.1-incubating-SNAPSHOT.jar was open for about 300
> > > > times. The number rises with every request. At some time eventually a
> > > > garbage collection closes all these files.
> > > > > > > >
> > > > > > > > I don't think this is a Tomcat error, because this jar is the 
> > > > > > > > only
> > > > jar file opened so many times. Perhaps some Trinidad code fails to 
> > > > close a
> > > > file? Is this a known issue?
> > > > > > > >
> > > > > > > > Many thanks in advance.
> > > > > > > >
> > > > > > > > Peter Fleischer
> > > > > > > >
> > > > > > > >
> > > > _____________________________________________________________
> > > > > > > >
> > > > > > > > Munich Airport International
> > > > > > > > Flughafen München GmbH
> > > > > > > > Peter Fleischer
> > > > > > > > ITED Competence Center Application Development
> > > > > > > > Support Division Information Technology
> > > > > > > > P. O. Box  23 17 55
> > > > > > > > 85326 München
> > > > > > > > Phone: +49 89 975-3 24 30
> > > > > > > > Fax: +49 89 975-3 24 06
> > > > > > > > <mailto:[EMAIL PROTECTED] .de >
> > > > > > > >
> > > > > > > > Vorsitzender des Aufsichtsrats: - Chairman of the Supervisory 
> > > > > > > > Board:
> > > > > > > > Staatsminister Prof. Dr. Kurt Faltlhauser
> > > > > > > > Geschäftsführung: - Executive Board:
> > > > > > > > Dr. Michael Kerkloh, Walter Vill und Peter Trautmann
> > > > > > > > Handelsregister: - Commercial Register: RG München, HR-Nr. B 
> > > > > > > > 5448
> > > > > > > > Sitz der Gesellschaft: - Registered Office: München
> > > > > > > >
> > > > _____________________________________________________________
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> >
>


-- 
Matthias Wessendorf

further stuff:
blog: http://matthiaswessendorf.wordpress.com/
mail: matzew-at-apache-dot-org

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