Thanks for your help.
Davor Hrg wrote:
there's some insight in the rpoblem since it happened for the snippet shown...
... and a workarround..
http://wiki.apache.org/tapestry/Tapestry5HowToRunTaskInThread
Davor Hrg
On 2/29/08, Howard Lewis Ship <[EMAIL PROTECTED]> wrote:
There's a workaround for the JDK bug in Tapestry 5.0.10.
On Fri, Feb 29, 2008 at 8:40 AM, Baofeng Yu <[EMAIL PROTECTED]> wrote:
Looks like the NPE problem is due to a JDK 5 bug. After I upgrade JDK to
1.6, the problem is fixed.
Baofeng
Baofeng Yu wrote:
> Yes, it happens consistently when I restart jboss and access the page
> the first time after the restart. Afterwards, it's all OK. I am using
> 5.0.9.
>
> Baofeng
>
>
> Robert Zeigler wrote:
>> Does this happen consistently?
>> I see the same stack trace on occasion. Also using mod_jk, tomcat
>> 4.x, but no jboss, and I can't reliably reproduce this issue. It
>> just pops up on occasion.
>> So I'd be interested in knowing if you can consistently reproduce
>> this problem. Btw, what version of T5 is this?
>>
>> Robert
>>
>> On Feb 28, 2008, at 2/2810:02 AM , Baofeng Yu wrote:
>>
>>> Hi All,
>>>
>>> I deployed a tapestry application into Jboss and am having the
>>> following problem:
>>>
>>> If I call a page directly with the url:
>>> http://localhost:8080/test/start, all works OK. But when I access
>>> the page with the url: http://localhost/test/start , it first
>>> returns a NullPointerException. If I refresh the page, it then loads
>>> OK. By the way, I use jboss 4.0.5.GA and I configured apache httpd
>>> and the built-in tomcat in jboss with mod_jk. I don't have problem
>>> with the connector with jsf and jsp pages. Also even if I just
>>> deploy a clean test tapestry application with the default start
>>> page, I get the same error. So it doesn't look like the problem is
>>> with my application. Is there additional configuration to do for
>>> tapestry to work with jk connector? Any help would be appreciated.
>>> Thanks.
>>>
>>> The following is the stack trace:
>>>
>>>
>>> An unexpected application exception has occurred.
>>>
>>> * java.lang.NullPointerException
>>>
>>> Stack trace
>>> o
>>>
org.apache.tapestry.services.TapestryModule$30.getCookies(TapestryModule.java:1834)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.CookiesImpl.readCookieValue(CookiesImpl.java:61)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.PersistentLocaleImpl.getCookieValue(PersistentLocaleImpl.java:50)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.PersistentLocaleImpl.get(PersistentLocaleImpl.java:43)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.LocalizationSetterImpl.setThreadLocale(LocalizationSetterImpl.java:97)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:41)
>>>
>>> o
>>>
org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:529)
>>>
>>> o
>>>
org.apache.tapestry.services.TapestryModule$2.service(TapestryModule.java:504)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:79)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84)
>>>
>>> o
>>>
org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106)
>>>
>>> o
>>>
org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:891)
>>>
>>> o
>>>
org.apache.tapestry.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
>>>
>>> o
>>> org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:164)
>>> o
>>>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>>>
>>> o
>>>
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>>>
>>> o
>>>
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
>>>
>>> o
>>>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
>>>
>>> o
>>>
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
>>>
>>> o
>>>
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
>>>
>>> o
>>>
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
>>>
>>> o
>>>
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
>>>
>>> o
>>>
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
>>>
>>> o
>>>
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
>>>
>>> o
>>>
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
>>>
>>> o
>>>
org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
>>>
>>> o
>>>
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
>>>
>>> o
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
>>>
>>> o
>>> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
>>> o
>>> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
>>> o
>>> org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
>>> o
>>>
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
>>>
>>> o
>>>
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
>>>
>>> o
>>>
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
>>>
>>> o java.lang.Thread.run(Thread.java:595)
>>>
>>>
>>>
>>>
>>>
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--
Howard M. Lewis Ship
Creator Apache Tapestry and Apache HiveMind
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