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Posted to dev@tapestry.apache.org by "Scott Jarvi (JIRA)" <ta...@jakarta.apache.org> on 2005/10/13 16:49:29 UTC
[jira] Created: (TAPESTRY-701) NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
-------------------------------------------------------------------------------------------------------------------------------
Key: TAPESTRY-701
URL: http://issues.apache.org/jira/browse/TAPESTRY-701
Project: Tapestry
Type: Bug
Components: Framework
Versions: 4.0
Environment: WinXP Pro, JBOSS 4.0.3RC1
Reporter: Scott Jarvi
Priority: Minor
A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
$ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
$PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
$PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
$PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
$LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
(rest of stack trace omitted)
It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Commented: (TAPESTRY-701) NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
Posted by "Bruce Grant (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=comments#action_12357167 ]
Bruce Grant commented on TAPESTRY-701:
--------------------------------------
Tapestry 4.0 beta 12 - WINXP - Tomcat 5.0.28 - JDK 1.5
This same error occurs with the ExternalService and PageService in the following conditions:
In the listener method that was invoked from a form post, I call the following method to redirect to a certain page.
public void redirectAfterPost(IPage page, IRequestCycle cycle)
{
String url = getPageService().getLink(cycle, false, page.getPageName()).getURL();
throw new RedirectException(url);
}
If the page I redirect to contains a client persisted property, I get the above error. Same thing happens if you replace "getPageService()" with "getExternalService()".
Here is the stack trace:
# org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
# $ClientPropertyPersistenceScope_107764c6104.shouldEncodeState($ClientPropertyPersistenceScope_107764c6104.java)
# org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:126)
# $PropertyPersistenceStrategy_107764c6100.addParametersForPersistentProperties($PropertyPersistenceStrategy_107764c6100.java)
# $PropertyPersistenceStrategy_107764c6101.addParametersForPersistentProperties($PropertyPersistenceStrategy_107764c6101.java)
# org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
# $PropertyPersistenceStrategySource_107764c6063.addParametersForPersistentProperties($PropertyPersistenceStrategySource_107764c6063.java)
# org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
# $LinkFactory_107764c5fec.constructLink($LinkFactory_107764c5fec.java)
# org.apache.tapestry.engine.PageService.getLink(PageService.java:52)
# $IEngineService_107764c6073.getLink($IEngineService_107764c6073.java)
# org.apache.tapestry.services.impl.EngineServiceOuterProxy.getLink(EngineServiceOuterProxy.java:60)
# mytest.testapp.tapestry.pages.FoundationPage.redirectAfterPost(FoundationPage.java:85)
# mytest.testapp.tapestry.pages.SecuredPage.pageValidate(SecuredPage.java:66)
# org.apache.tapestry.AbstractPage.firePageValidate(AbstractPage.java:585)
# org.apache.tapestry.AbstractPage.validate(AbstractPage.java:307)
# mytest.testapp.tapestry.pages.UpdateAccount.validate(UpdateAccount.java:51)
# org.apache.tapestry.engine.RequestCycle.activate(RequestCycle.java:628)
# org.apache.tapestry.engine.RequestCycle.activate(RequestCycle.java:614)
# org.apache.tapestry.engine.PageService.service(PageService.java:67)
# $IEngineService_107764c6073.service($IEngineService_107764c6073.java)
# org.apache.tapestry.services.impl.EngineServiceOuterProxy.service(EngineServiceOuterProxy.java:65)
# org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:248)
# org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeEngineTerminator.java:60)
# $WebRequestServicer_107764c604e.service($WebRequestServicer_107764c604e.java)
# org.apache.tapestry.services.impl.DisableCachingFilter.service(DisableCachingFilter.java:48)
# $WebRequestServicerFilter_107764c6050.service($WebRequestServicerFilter_107764c6050.java)
# $WebRequestServicer_107764c6052.service($WebRequestServicer_107764c6052.java)
# $WebRequestServicer_107764c604a.service($WebRequestServicer_107764c604a.java)
# org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service(WebRequestServicerPipelineBridge.java:56)
# $ServletRequestServicer_107764c602e.service($ServletRequestServicer_107764c602e.java)
# org.apache.tapestry.request.DecodedRequestInjector.service(DecodedRequestInjector.java:55)
# $ServletRequestServicerFilter_107764c602a.service($ServletRequestServicerFilter_107764c602a.java)
# $ServletRequestServicer_107764c6030.service($ServletRequestServicer_107764c6030.java)
# org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDecoderFilter.java:52)
# $ServletRequestServicerFilter_107764c6028.service($ServletRequestServicerFilter_107764c6028.java)
# $ServletRequestServicer_107764c6030.service($ServletRequestServicer_107764c6030.java)
# org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequestEncoding.java:53)
# $ServletRequestServicerFilter_107764c602c.service($ServletRequestServicerFilter_107764c602c.java)
# $ServletRequestServicer_107764c6030.service($ServletRequestServicer_107764c6030.java)
# $ServletRequestServicer_107764c6022.service($ServletRequestServicer_107764c6022.java)
# org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:141)
# org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:97)
# javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
# javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
# org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
# org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
# org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
# org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
# org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
# org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
# org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
# org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
# org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
# org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
# org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
# org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
# org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
# org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
# org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
# org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
# org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
# org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
# org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
# org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
# org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
# org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
# org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
# java.lang.Thread.run(Thread.java:595)
> NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Priority: Minor
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Commented: (TAPESTRY-701) NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
Posted by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=comments#action_12358241 ]
Howard M. Lewis Ship commented on TAPESTRY-701:
-----------------------------------------------
Having trouble reproducing this with CVS head (approx. beta-14).
In my page class code:
public abstract class Redirect extends BasePage
{
@InjectObject("engine-service:page")
public abstract IEngineService getPageService();
@Persist("client")
public abstract String getMessage();
public void hardRedirect()
{
String url = getPageService().getLink(false, getPageName()).getURL();
throw new RedirectException(url);
}
public ILink softRedirect()
{
return getPageService().getLink(false, getPageName());
}
}
I have two forms on the page, with a TextField to update message; one invokes hardRedirect(), one invokes softRedirect().
The page seems to work just fine for me ... which makes sense, because IRequestCycle.getPage() will not be null.
Likewise, the external service will activate a page before invoking the page's activateExternalPage() method, so even redirecting from there won't work. And when a PageValidateListener throws a PageRedirectException, some page will become the active page.
I can't think of a scenario where you would get to that link of code with a null page, but maybe I'm not smart enough.
> NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Assignee: Howard M. Lewis Ship
> Priority: Minor
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Commented: (TAPESTRY-701) NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
Posted by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=comments#action_12358243 ]
Howard M. Lewis Ship commented on TAPESTRY-701:
-----------------------------------------------
Ok, was able to reproduce it, as:
# org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:46)
# $ClientPropertyPersistenceScope_107b85a0b3f.shouldEncodeState($ClientPropertyPersistenceScope_107b85a0b3f.java)
# org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:123)
# $PropertyPersistenceStrategy_107b85a0b39.addParametersForPersistentProperties($PropertyPersistenceStrategy_107b85a0b39.java)
# $PropertyPersistenceStrategy_107b85a0b3a.addParametersForPersistentProperties($PropertyPersistenceStrategy_107b85a0b3a.java)
# org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:98)
# $PropertyPersistenceStrategySource_107b85a0a9a.addParametersForPersistentProperties($PropertyPersistenceStrategySource_107b85a0a9a.java)
# org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:123)
# $LinkFactory_107b85a0a1f.constructLink($LinkFactory_107b85a0a1f.java)
# org.apache.tapestry.engine.PageService.getLink(PageService.java:51)
# $IEngineService_107b85a0aaa.getLink($IEngineService_107b85a0aaa.java)
# org.apache.tapestry.services.impl.EngineServiceOuterProxy.getLink(EngineServiceOuterProxy.java:60)
# pages.RedirectValidate.pageValidate(RedirectValidate.java:17)
# org.apache.tapestry.AbstractPage.firePageValidate(AbstractPage.java:585)
Added a second page, whose pageValidate() redirects to the first page:
public void pageValidate(PageEvent event)
{
String url = getPageService().getLink(false, "Redirect").getURL();
throw new RedirectException(url);
}
Because the page has not validated, then there will be no active page in the request cycle.
> NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Assignee: Howard M. Lewis Ship
> Priority: Minor
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Closed: (TAPESTRY-701) NPE creating a link from pageValidate() when there are client-persistent properties with page scope
Posted by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=all ]
Howard M. Lewis Ship closed TAPESTRY-701:
-----------------------------------------
Fix Version: 4.0
Resolution: Fixed
> NPE creating a link from pageValidate() when there are client-persistent properties with page scope
> ---------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Assignee: Howard M. Lewis Ship
> Fix For: 4.0
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Assigned: (TAPESTRY-701) NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
Posted by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=all ]
Howard M. Lewis Ship reassigned TAPESTRY-701:
---------------------------------------------
Assign To: Howard M. Lewis Ship
> NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Assignee: Howard M. Lewis Ship
> Priority: Minor
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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[jira] Updated: (TAPESTRY-701) NPE creating a link from pageValidate() when there are client-persistent properties with page scope
Posted by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org>.
[ http://issues.apache.org/jira/browse/TAPESTRY-701?page=all ]
Howard M. Lewis Ship updated TAPESTRY-701:
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Summary: NPE creating a link from pageValidate() when there are client-persistent properties with page scope (was: NullPointerException in PageClientPropertyPersistenceScope when using 'client' persistence strategy and executing a ServiceLink)
Priority: Major (was: Minor)
> NPE creating a link from pageValidate() when there are client-persistent properties with page scope
> ---------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-701
> URL: http://issues.apache.org/jira/browse/TAPESTRY-701
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: WinXP Pro, JBOSS 4.0.3RC1
> Reporter: Scott Jarvi
> Assignee: Howard M. Lewis Ship
>
> A page that's using the 'client' persistence strategy for one of its properties includes a ServiceLink that triggers a subclass of RestartService. The service logs the user out, invalidates the session and then tries to redirect the user back to the 'Home' page, using HomeService.getLink(). However, trying to get the link from the HomeService resulted in a NPE...
> org.apache.tapestry.record.PageClientPropertyPersistenceScope.shouldEncodeState(PageClientPropertyPersistenceScope.java:45)
> $ClientPropertyPersistenceScope_106dad08dcb.shouldEncodeState($ClientPropertyPersistenceScope_106dad08dcb.java)
> org.apache.tapestry.record.ClientPropertyPersistenceStrategy.addParametersForPersistentProperties(ClientPropertyPersistenceStrategy.java:136)
> $PropertyPersistenceStrategy_106dad08dc7.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc7.java)
> $PropertyPersistenceStrategy_106dad08dc8.addParametersForPersistentProperties($PropertyPersistenceStrategy_106dad08dc8.java)
> org.apache.tapestry.record.PropertyPersistenceStrategySourceImpl.addParametersForPersistentProperties(PropertyPersistenceStrategySourceImpl.java:99)
> $PropertyPersistenceStrategySource_106dad08d18.addParametersForPersistentProperties($PropertyPersistenceStrategySource_106dad08d18.java)
> org.apache.tapestry.services.impl.LinkFactoryImpl.constructLink(LinkFactoryImpl.java:112)
> $LinkFactory_106dad08ca2.constructLink($LinkFactory_106dad08ca2.java)
> org.apache.tapestry.engine.HomeService.getLink(HomeService.java:58)
> (rest of stack trace omitted)
> It seems that the NullPointer is caused by a null IPage in the RequestCycle, which PageClientPropertyPersistenceScope tries to check to determine if encoding should be applied.
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