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Posted to user@turbine.apache.org by Youngho Cho <yo...@nannet.co.kr> on 2001/04/18 03:42:13 UTC

Strange Error .. Need Help

Hi,

Recently I have very Strange Error Message 
I'm not sure how can I debug it.
The NannetUIManager is subclass of UIManager
and used it as a tool of request scope in velocity template.

I never used it as a Action class but Turbine report it as a Action.

Any clue appreciate.

Thanks,

youngho

 Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
 Turbine looked in the following modules.packages path: 
 [com.nannet.jettiger.modules, org.apache.turbine.modules]

[Wed Apr 18 10:31:28 JST 2001] -- ERROR -- 
 Exception:  java.lang.ClassNotFoundException: 

 Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
 Turbine looked in the following modules.packages path: 
 [com.nannet.jettiger.modules, org.apache.turbine.modules]

 Stack Trace follows:
 java.lang.ClassNotFoundException: 

 Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
 Turbine looked in the following modules.packages path: 
 [com.nannet.jettiger.modules, org.apache.turbine.modules]

 at org.apache.turbine.modules.ActionLoader.getInstance(ActionLoader.java:170)
 at org.apache.turbine.modules.ActionLoader.exec(ActionLoader.java:122)
 at org.apache.turbine.modules.pages.DefaultPage.doBuild(DefaultPage.java:143)
 at org.apache.turbine.modules.Page.build(Page.java:90)
 at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:123)
 at org.apache.turbine.Turbine.doGet(Turbine.java:444)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
 at org.apache.tomcat.core.Handler.service(Handler.java:286)
 at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
 at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
 at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
 at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
 at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
 at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
 at java.lang.Thread.run(Thread.java:498)

[Wed Apr 18 10:31:28 JST 2001] -- ERROR -- null
 Exception:  java.lang.NullPointerException
 Stack Trace follows:
 java.lang.NullPointerException
 at java.util.Hashtable.containsKey(Hashtable.java:305)
 at org.apache.turbine.modules.PageLoader.getInstance(PageLoader.java:139)
 at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:123)
 at org.apache.turbine.Turbine.handleException(Turbine.java:588)
 at org.apache.turbine.Turbine.doGet(Turbine.java:498)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
 at org.apache.tomcat.core.Handler.service(Handler.java:286)
 at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
 at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
 at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
 at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
 at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
 at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
 at java.lang.Thread.run(Thread.java:498)


Re: Strange Error .. Need Help

Posted by Youngho Cho <yo...@nannet.co.kr>.
Hi Sean,

Here is my Log file.
I think the ServletService works well.

Thanks.

youngho

[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down all services!
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: SchedulerService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: GlobalCacheService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: ResourceService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: PoolBrokerService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: JetTigerSecurityService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: RunDataService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: MapBrokerService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: SecurityService
[Mon Apr 23 15:00:54 JST 2001] -- INFO -- Shutting down service: LoggingService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- ServiceBroker: LoggingService enabled.
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: ResourceService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: LoggingService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: FactoryService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: PoolService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: RunDataService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: ServletService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: AssemblerBrokerService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: LocalizationService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: MimeTypeService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: GlobalCacheService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: SchedulerService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: XmlRpcService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: UniqueIdService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: UploadService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: SecurityService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: PoolBrokerService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: MapBrokerService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: PullService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: TemplateService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: VelocityService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: JetTigerDirectoryService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: JetTigerAlbumService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: JetTigerSecurityService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Added Mapping for Service: JetTigerEmailService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing all services using: org.apache.tomcat.facade.ServletConfigImpl
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): FactoryService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): PoolService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): RunDataService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): ServletService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): AssemblerBrokerService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): LocalizationService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): MimeTypeService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): GlobalCacheService
[Mon Apr 23 15:02:45 JST 2001] -- INFO -- Initializing service (early): SchedulerService
[Mon Apr 23 15:02:46 JST 2001] -- INFO -- Initializing service (late): MapBrokerService
[Mon Apr 23 15:02:46 JST 2001] -- INFO -- IDBroker thread was started.
[Mon Apr 23 15:02:46 JST 2001] -- INFO -- Initializing service (late): PoolBrokerService
[Mon Apr 23 15:02:48 JST 2001] -- WARN -- IDBroker is being used with db: default
 which does not support transactions.  It is possible to 
 generate duplicate keys, if multiple JVM's are used or other 
 means are used to write to the database.
[Mon Apr 23 15:02:48 JST 2001] -- INFO -- Initializing service (early): XmlRpcService
[Mon Apr 23 15:02:49 JST 2001] -- INFO -- Initializing service (early): UniqueIdService
[Mon Apr 23 15:02:49 JST 2001] -- INFO -- Initializing service (early): UploadService
[Mon Apr 23 15:02:49 JST 2001] -- INFO -- Initializing service (early): SecurityService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (early): PoolBrokerService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (early): MapBrokerService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (early): PullService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (early): TemplateService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (early): VelocityService
[Mon Apr 23 15:02:50 JST 2001] -- INFO -- Initializing service (late): ServletService
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Initializing service (late): PullService
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Pull Model tools will be refreshed on a per request basis.
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Instantiated tool class org.apache.turbine.services.pull.util.UIManager to add to the context as ui
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Instantiated tool class org.apache.turbine.util.ContentURI to add to the context as content
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Instantiated tool class org.apache.turbine.util.template.TemplateLink to add to the context as link
[Mon Apr 23 15:02:54 JST 2001] -- INFO -- Instantiated tool class com.nannet.jettiger.util.template.TemplateLinkMe to add to the context as linkme
[Mon Apr 23 15:02:55 JST 2001] -- INFO -- Instantiated tool class org.apache.turbine.util.template.TemplatePageAttributes to add to the context as page
[Mon Apr 23 15:02:55 JST 2001] -- INFO -- Instantiated tool class com.nannet.jettiger.services.pull.util.NannetUIManager to add to the context as uime
[Mon Apr 23 15:02:55 JST 2001] -- INFO -- Initializing service (late): TemplateService
[Mon Apr 23 15:02:55 JST 2001] -- INFO -- Initializing service (early): JetTigerDirectoryService
[Mon Apr 23 15:02:55 JST 2001] -- INFO -- Initializing service (early): JetTigerAlbumService
[Mon Apr 23 15:02:56 JST 2001] -- INFO -- Initializing service (late): GlobalCacheService
[Mon Apr 23 15:02:56 JST 2001] -- INFO -- Initializing service (early): JetTigerSecurityService
[Mon Apr 23 15:02:57 JST 2001] -- INFO -- Initializing service (early): JetTigerEmailService
[Mon Apr 23 15:02:59 JST 2001] -- INFO -- Finished initializing all services!
[Mon Apr 23 15:02:59 JST 2001] -- INFO -- Initializing service (late): RunDataService
[Mon Apr 23 15:02:59 JST 2001] -- INFO -- Initializing service (late): PoolService
[Mon Apr 23 15:02:59 JST 2001] -- INFO -- Initializing service (late): FactoryService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing all services using: org.apache.turbine.services.rundata.DefaultTurbineRunData
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): FactoryService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): PoolService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): RunDataService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): ServletService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): AssemblerBrokerService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): LocalizationService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): MimeTypeService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): GlobalCacheService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): SchedulerService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): XmlRpcService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): UniqueIdService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- This is Turbine instance running at: http://nannet.co.kr/examples/servlet/nannet
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- The instance id is #F78DF2A1F41C2EB148F616874A1C5549
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): UploadService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): SecurityService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): PoolBrokerService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): MapBrokerService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): PullService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): TemplateService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): VelocityService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): JetTigerDirectoryService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): JetTigerAlbumService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): JetTigerSecurityService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (early): JetTigerEmailService
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Finished initializing all services!
[Mon Apr 23 15:03:06 JST 2001] -- INFO -- Initializing service (late): AssemblerBrokerService

----- Original Message ----- 
From: Sean Legassick <se...@informage.net>
To: <tu...@jakarta.apache.org>
Sent: Monday, April 23, 2001 8:54 PM
Subject: Re: Strange Error .. Need Help


> In message <03...@win98>, Youngho Cho 
> <yo...@nannet.co.kr> writes
> >If I using $ui in my vm file as a global tool
> ><img src="$ui.image("viewer_top_line.gif")" width="619" height="9">
> >
> >Then I got
> ><img 
> >src="null://null:nullnull/resources/ui/skins/default/images/viewer_top_line.gif" 
> width="619" height="9">
> 
> This means that ServletService is not functioning properly (it's 
> returning null for server scheme, server name, server port and server 
> path.
> 
> Can you check that you have the following line in TR.properties:
> 
> services.ServletService.classname=org.apache.turbine.services.servlet.Tur 
> bineServletService
> 
> and crank up your logging to debug level and look at the output during 
> service initialization for log lines beginning [TurbineServletService]
> 
> Sean
> 
> -- 
> Sean Legassick
> sean@informage.net
>          Je suis un homme: rien d'humain en m'est étranger
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: turbine-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: turbine-user-help@jakarta.apache.org

Re: Strange Error .. Need Help

Posted by Sean Legassick <se...@informage.net>.
In message <03...@win98>, Youngho Cho 
<yo...@nannet.co.kr> writes
>If I using $ui in my vm file as a global tool
><img src="$ui.image("viewer_top_line.gif")" width="619" height="9">
>
>Then I got
><img 
>src="null://null:nullnull/resources/ui/skins/default/images/viewer_top_line.gif" 
width="619" height="9">

This means that ServletService is not functioning properly (it's 
returning null for server scheme, server name, server port and server 
path.

Can you check that you have the following line in TR.properties:

services.ServletService.classname=org.apache.turbine.services.servlet.Tur 
bineServletService

and crank up your logging to debug level and look at the output during 
service initialization for log lines beginning [TurbineServletService]

Sean

-- 
Sean Legassick
sean@informage.net
         Je suis un homme: rien d'humain en m'est étranger

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Re: Strange Error .. Need Help

Posted by Youngho Cho <yo...@nannet.co.kr>.
Hi Sean,

> >I have same result with kidong about 
> >tool.global.ui=org.apache.turbine.services.pull.util.UIManager
> >Does it change the scope from global to session or request ?
> 
> Don't know what you're saying here - if you say tool.global its global 
> scope, you have to say tool.session for session scope or tool.request 
> for request scope...
> 
> -- 
> Sean Legassick
> sean@informage.net
>          As a person, nothing human can be alien to me

If I using $ui in my vm file as a global tool
<img src="$ui.image("viewer_top_line.gif")" width="619" height="9">

Then I got
<img src="null://null:nullnull/resources/ui/skins/default/images/viewer_top_line.gif" width="619" height="9">

Thanks.

youngho

Re: Strange Error .. Need Help

Posted by Sean Legassick <se...@informage.net>.
In message <04...@win98>, Youngho Cho 
<yo...@nannet.co.kr> writes
>Hi Sean,
>
>The NannetUIManager is not general purpose.
>It just pass the contact server name to velocity context.

Okay, just wondering.

>BTW
>I have same result with Leon about RawScreen problem
>Not effect by adding page.default=DefaultPage at all.

Like I said, when I get a moment I'll go over what I did to get 
RawScreens working.

>also
>I have same result with kidong about 
>tool.global.ui=org.apache.turbine.services.pull.util.UIManager
>Does it change the scope from global to session or request ?

Don't know what you're saying here - if you say tool.global its global 
scope, you have to say tool.session for session scope or tool.request 
for request scope...

-- 
Sean Legassick
sean@informage.net
         As a person, nothing human can be alien to me

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Re: Strange Error .. Need Help

Posted by Youngho Cho <yo...@nannet.co.kr>.
Hi Sean,

The NannetUIManager is not general purpose.
It just pass the contact server name to velocity context.

BTW 
I have same result with Leon about RawScreen problem 
Not effect by adding page.default=DefaultPage at all.
also
I have same result with kidong about tool.global.ui=org.apache.turbine.services.pull.util.UIManager
Does it change the scope from global to session or request ?

Thanks,

youngho

----- Original Message ----- 
From: Sean Legassick <se...@informage.net>
To: <tu...@jakarta.apache.org>
Sent: Wednesday, April 18, 2001 7:50 PM
Subject: Re: Strange Error .. Need Help


> In message <03...@win98>, Youngho Cho 
> <yo...@nannet.co.kr> writes
> >Hi,
> >
> >Recently I have very Strange Error Message
> >I'm not sure how can I debug it.
> >The NannetUIManager is subclass of UIManager
> >and used it as a tool of request scope in velocity template.
> 
> I'm glad to hear someone's using this functionality. What does your 
> UIManager subclass offer? If it's of general use, would you consider 
> submitting it for inclusion in CVS?
> 
> Sean
> 
> -- 
> Sean Legassick
> sean@informage.net
>          Je suis un homme: rien d'humain en m'est étranger
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: turbine-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: turbine-user-help@jakarta.apache.org

Re: Strange Error .. Need Help

Posted by Sean Legassick <se...@informage.net>.
In message <03...@win98>, Youngho Cho 
<yo...@nannet.co.kr> writes
>Hi,
>
>Recently I have very Strange Error Message
>I'm not sure how can I debug it.
>The NannetUIManager is subclass of UIManager
>and used it as a tool of request scope in velocity template.

I'm glad to hear someone's using this functionality. What does your 
UIManager subclass offer? If it's of general use, would you consider 
submitting it for inclusion in CVS?

Sean

-- 
Sean Legassick
sean@informage.net
         Je suis un homme: rien d'humain en m'est étranger

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Re: Strange Error .. Need Help

Posted by Youngho Cho <yo...@nannet.co.kr>.
Hey All,

I found my problem.
I have some typo miss in my vm file.

I'm very sorry to bother you.

Thanks,

youngho.

----- Original Message ----- 
From: Youngho Cho <yo...@nannet.co.kr>
To: <tu...@jakarta.apache.org>
Sent: Wednesday, April 18, 2001 10:42 AM
Subject: Strange Error .. Need Help


> Hi,
> 
> Recently I have very Strange Error Message 
> I'm not sure how can I debug it.
> The NannetUIManager is subclass of UIManager
> and used it as a tool of request scope in velocity template.
> 
> I never used it as a Action class but Turbine report it as a Action.
> 
> Any clue appreciate.
> 
> Thanks,
> 
> youngho
> 
>  Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
>  Turbine looked in the following modules.packages path: 
>  [com.nannet.jettiger.modules, org.apache.turbine.modules]
> 
> [Wed Apr 18 10:31:28 JST 2001] -- ERROR -- 
>  Exception:  java.lang.ClassNotFoundException: 
> 
>  Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
>  Turbine looked in the following modules.packages path: 
>  [com.nannet.jettiger.modules, org.apache.turbine.modules]
> 
>  Stack Trace follows:
>  java.lang.ClassNotFoundException: 
> 
>  Requested Action not found: com.nannet.jettiger.services.pull.util.NannetUIManager@7cf54333(
>  Turbine looked in the following modules.packages path: 
>  [com.nannet.jettiger.modules, org.apache.turbine.modules]
> 
>  at org.apache.turbine.modules.ActionLoader.getInstance(ActionLoader.java:170)
>  at org.apache.turbine.modules.ActionLoader.exec(ActionLoader.java:122)
>  at org.apache.turbine.modules.pages.DefaultPage.doBuild(DefaultPage.java:143)
>  at org.apache.turbine.modules.Page.build(Page.java:90)
>  at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:123)
>  at org.apache.turbine.Turbine.doGet(Turbine.java:444)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>  at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>  at org.apache.tomcat.core.Handler.service(Handler.java:286)
>  at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>  at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
>  at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>  at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
>  at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>  at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>  at java.lang.Thread.run(Thread.java:498)
> 
> [Wed Apr 18 10:31:28 JST 2001] -- ERROR -- null
>  Exception:  java.lang.NullPointerException
>  Stack Trace follows:
>  java.lang.NullPointerException
>  at java.util.Hashtable.containsKey(Hashtable.java:305)
>  at org.apache.turbine.modules.PageLoader.getInstance(PageLoader.java:139)
>  at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:123)
>  at org.apache.turbine.Turbine.handleException(Turbine.java:588)
>  at org.apache.turbine.Turbine.doGet(Turbine.java:498)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>  at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>  at org.apache.tomcat.core.Handler.service(Handler.java:286)
>  at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>  at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
>  at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>  at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
>  at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>  at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>  at java.lang.Thread.run(Thread.java:498)