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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