Exception retrieving last modified date of asset after 5 minutes

[arsdeep.singh]

I am using Hippo 7.9

I am getting the las modified date of an asset.

With the Java code:

public static Date getCurrentModifiedDate(HippoAsset file) {

    try {

        if (file != null) {

            return file.getAsset().getNode().getProperty("jcr:lastModified").getDate().getTime();

        }

    } catch (RepositoryException ex) {

        Logger.getLogger(DealerHelper.class.getName()).log(Level.SEVERE, null, "RepositoryException " + ex);

    }

    return null;

}

 

Problem

The first 5 minutes time  a get a valid date, but after 5 minutes when calling the same method I get an nullpointer exception. I went to debug mode and discovered that the file.getAsset() is null.

Does anyone know how to fix this? Do I need another java code? This is weird that it is working for approx the first 5 minutes.

 

Any solutions ideas, thanks in advance for your time and effort.

 

 

Regards,

Arsdeep

[arsdeep.singh]

The exception is throw at: Class HippoItem method getBean line 240 Object o = this.objectConverter.getObject(node, relPath);

Stacktrace is:

________________

Exception occurred in target VM: javax.jcr.InvalidItemStateException: Item does not exist anymore: 86015231-bc1b-48ed-82b6-94b8325069e2 

org.hippoecm.hst.content.beans.ObjectBeanManagerException: javax.jcr.InvalidItemStateException: Item does not exist anymore: 86015231-bc1b-48ed-82b6-94b8325069e2

    at org.hippoecm.hst.site.request.CachingObjectConverter$CacheKey.<init>(CachingObjectConverter.java:192)

    at org.hippoecm.hst.site.request.CachingObjectConverter$CacheKey.<init>(CachingObjectConverter.java:169)

    at org.hippoecm.hst.site.request.CachingObjectConverter.getObject(CachingObjectConverter.java:97)

    at org.hippoecm.hst.content.beans.standard.HippoItem.getBean(HippoItem.java:240)

    at org.hippoecm.hst.content.beans.standard.HippoAsset.getAsset(HippoAsset.java:24)

    at nl.atag.components.rest.helper.DealerHelper.getCurrentModifiedDate(DealerHelper.java:67)

    at nl.atag.components.rest.DealerResource.getDealers(DealerResource.java:34)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:497)

    at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1270)

    at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)

    at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)

    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:165)

    at org.hippoecm.hst.jaxrs.cxf.AroundProcessableJAXRSInvoker.invoke(AroundProcessableJAXRSInvoker.java:94)

    at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:89)

    at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)

    at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)

    at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)

    at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)

    at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:237)

    at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:239)

    at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:213)

    at org.hippoecm.hst.jaxrs.cxf.CXFJaxrsService.invoke(CXFJaxrsService.java:147)

    at org.hippoecm.hst.core.container.JaxrsRestServiceValve.invoke(JaxrsRestServiceValve.java:38)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.GenericResponseHeadersValve.invoke(GenericResponseHeadersValve.java:83)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.SubjectBasedSessionValve.invoke(SubjectBasedSessionValve.java:58)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.SecurityValve.invoke(SecurityValve.java:177)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.CmsSecurityValve.invoke(CmsSecurityValve.java:80)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.InitializationValve.invoke(InitializationValve.java:72)

    at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)

    at org.hippoecm.hst.core.container.HstSitePipeline.invokeValves(HstSitePipeline.java:170)

    at org.hippoecm.hst.core.container.HstSitePipeline.invoke(HstSitePipeline.java:153)

    at org.hippoecm.hst.core.container.HstRequestProcessorImpl.processRequest(HstRequestProcessorImpl.java:79)

    at org.hippoecm.hst.container.HstFilter.doFilter(HstFilter.java:504)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.hippoecm.hst.container.XSSUrlFilter.doFilter(XSSUrlFilter.java:49)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.onehippo.forge.rewriting.HippoRewriteFilter.doFilter(HippoRewriteFilter.java:300)

    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)

    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)

    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)

    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)

    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)

    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)

    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)

    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)

    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

    at java.lang.Thread.run(Thread.java:745)

Caused by: javax.jcr.InvalidItemStateException: Item does not exist anymore: 86015231-bc1b-48ed-82b6-94b8325069e2

    at org.apache.jackrabbit.core.ItemImpl.itemSanityCheck(ItemImpl.java:116)

    at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:90)

    at org.apache.jackrabbit.core.ItemImpl.getPath(ItemImpl.java:376)

    at org.hippoecm.repository.decorating.ItemDecorator.getPath(ItemDecorator.java:89)

    at org.hippoecm.hst.site.request.CachingObjectConverter$CacheKey.<init>(CachingObjectConverter.java:190)

    ... 67 more

Any solutions?

Regards,

Arsdeep 

Op donderdag 9 juli 2015 13:43:01 UTC+2 schreef arsdeep.singh:

[Jasper Floor]

Did you make any changes to the asset? Where do you get the file object?

mvg,

Jsaper

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[arsdeep.singh]

Hi Jasper,

No i did not make any changes to the asset.

The code to get the file is:

private final   HippoBean root = RequestContextProvider.get().getSiteContentBaseBean();

private final   HippoBean assetsFolder = root.getParentBean().getParentBean().getBean("assets/mycompany/files");

private final   HippoAsset   file = assetsFolder.getBean("test.xls");

 

This code is in an util

And the method getCurrentModifiedDate is called  in a rest-call. 

Op vrijdag 10 juli 2015 10:41:38 UTC+2 schreef Jasper Floor:

[Arsdeep Singh]

Hi,

It seems that the method getCurrentModifiedDate cannot be static in the rest-service class.

No it seems to be fixed, but i am not sure why. Now i have to create a new object of the Utilclass in the rest-call class this is not what i want.  If i have 1000 calls to the rest-call it would create 1000 Utilclass objects. 

Regards,

Arsdeep

Arsdeep Singh
Consultant online

e:  arsdee...@incentro.com
t:  +31204090444 
m:  +31621257791
w:  www.incentro.com

amsterdam office | mediahaven
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[marijan milicevic]

Hi,

On Fri, Jul 10, 2015 at 10:51 AM, arsdeep.singh <arsdee...@incentro.com> wrote:

Hi Jasper,

No i did not make any changes to the asset.

The code to get the file is:

private final   HippoBean root = RequestContextProvider.get().getSiteContentBaseBean();

private final   HippoBean assetsFolder = root.getParentBean().getParentBean().getBean("assets/mycompany/files");

private final   HippoAsset   file = assetsFolder.getBean("test.xls");

 

I am afraid this wont work. HST components are not thread safe, so, you are just waiting for more bad things to happen,

Also,RequestContextProvider.get() is bound to current request (threadlocal)...so, you were just lucky it worked at all...

cheers

marijan

[Olivier Bourgeois]

On Fri, Jul 10, 2015 at 11:13 AM, Arsdeep Singh <arsdee...@incentro.com> wrote:

Hi,

It seems that the method getCurrentModifiedDate cannot be static in the rest-service class.

No it seems to be fixed, but i am not sure why. Now i have to create a new object of the Utilclass in the rest-call class this is not what i want.  If i have 1000 calls to the rest-call it would create 1000 Utilclass objects. 

 Sounds more like a threading issue than a problem with the static. OTH it's cleaner to create 1000 objects than use static anyway.