Re: Odd breaking exception in 5.4

Yep, I've looked. There isn't any exception in there.

On 05/24/2018 02:13 AM, Dmitry Gusev wrote:
> Hi, Richard!
>
> Have you checked tomcat logs? catalina.out namely. They can shed some light.
>
> On Thu, May 24, 2018 at 2:07 AM, Richard Frovarp <[email protected]>
> wrote:
>
>> I'm having some very odd problems with Tapestry 5.4.3. Most of my stuff is
>> on 5.3, so I haven't been able to dig very deep on this, and I'm not quite
>> sure what I'm missing. I'm running Tomcat 8.5.x. Now, it appears that might
>> be from classpath:org/apache/tapestry5/corelib/pages/ExceptionReport.tml.
>> But something else must be generating the error. I've been able to make it
>> go away with a restart of Tomcat, but not of just the app itself. I'm
>> fairly confused. I think that the exception being reported isn't the actual
>> root cause, but rather the exception that is reported due to an error with
>> reporting the actual exception.
>>
>> 2018-05-23 17:57:10,697 [ERROR] ioc.Registry java.lang.NullPointerException
>> 2018-05-23 17:57:10,698 [ERROR] ioc.Registry Operations trace:
>> 2018-05-23 17:57:10,698 [ERROR] ioc.Registry [ 1] Handling page render
>> request for page Index
>> 2018-05-23 17:57:10,698 [ERROR] ioc.Registry [ 2] Constructing instance of
>> page class edu.ndsu.eci.international_capstone_exchange.pages.Index
>> 2018-05-23 17:57:10,698 [ERROR] ioc.Registry [ 3] Creating
>> ComponentAssembler for edu.ndsu.eci.international_cap
>> stone_exchange.pages.Index
>> 2018-05-23 17:57:10,698 [ERROR] ioc.Registry [ 4] Parsing component
>> template classpath:edu/ndsu/eci/international_capstone_exchange/
>> pages/Index.tml
>> 2018-05-23 17:57:10,712 [ERROR] TapestryModule.RequestExceptionHandler
>> Processing of request failed with uncaught exception:
>> org.apache.tapestry5.ioc.internal.OperationException
>> org.apache.tapestry5.ioc.internal.OperationException
>>          at org.apache.tapestry5.ioc.internal.OperationTrackerImpl.logAn
>> dRethrow(OperationTrackerImpl.java:186)
>>          at org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invok
>> e(OperationTrackerImpl.java:90)
>>          at org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.
>> invoke(PerThreadOperationTracker.java:72)
>>          at org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(Regist
>> ryImpl.java:1260)
>>          at org.apache.tapestry5.internal.services.TemplateParserImpl.pa
>> rseTemplate(TemplateParserImpl.java:57)
>>          at $TemplateParser_95423bef7.parseTemplate(Unknown Source)
>>          at org.apache.tapestry5.internal.services.ComponentTemplateSour
>> ceImpl.parseTemplate(ComponentTemplateSourceImpl.java:190)
>>          at org.apache.tapestry5.internal.services.ComponentTemplateSour
>> ceImpl.getTemplate(ComponentTemplateSourceImpl.java:162)
>>          at $ComponentTemplateSource_95423bef6.getTemplate(Unknown Source)
>>          at org.apache.tapestry5.internal.pageload.PageLoaderImpl$4.invo
>> ke(PageLoaderImpl.java:258)
>>          at org.apache.tapestry5.internal.pageload.PageLoaderImpl$4.invo
>> ke(PageLoaderImpl.java:251)
>>          at org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invok
>> e(OperationTrackerImpl.java:82)
>>          at org.apache.tapestry5.ioc.internal.PerThreadOperationTracker.
>> invoke(PerThreadOperationTracker.java:72)
>>          at org.apache.tapestry5.ioc.internal.RegistryImpl.invoke(Regist
>> ryImpl.java:1260)
>>
>> snip
>>
>> Caused by: java.lang.NullPointerException
>>          at org.apache.tapestry5.internal.services.XMLTokenStream.getLoc
>> ation(XMLTokenStream.java:487)
>>          at org.apache.tapestry5.internal.services.SaxTemplateParser.par
>> se(SaxTemplateParser.java:181)
>>          at org.apache.tapestry5.internal.services.TemplateParserImpl$1.
>> invoke(TemplateParserImpl.java:61)
>>          at org.apache.tapestry5.internal.services.TemplateParserImpl$1.
>> invoke(TemplateParserImpl.java:58)
>>          at org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invok
>> e(OperationTrackerImpl.java:82)
>>          ... 102 more
>> 2018-05-23 17:57:10,804 [ERROR] ioc.Registry java.lang.NullPointerException
>> 2018-05-23 17:57:10,804 [ERROR] ioc.Registry Operations trace:
>> 2018-05-23 17:57:10,804 [ERROR] ioc.Registry [ 1] Constructing instance of
>> page class org.apache.tapestry5.corelib.pages.ExceptionReport
>> 2018-05-23 17:57:10,804 [ERROR] ioc.Registry [ 2] Creating
>> ComponentAssembler for org.apache.tapestry5.corelib.pages.ExceptionReport
>> 2018-05-23 17:57:10,804 [ERROR] ioc.Registry [ 3] Parsing component
>> template classpath:org/apache/tapestry5/corelib/pages/ExceptionReport.tml
>>
>>
>> To add to the confusion, I've never had the error trigger when running on
>> my workstation using Tomcat, just as installed on our server. Almost makes
>> me think that it is trying to write somewhere that is causing problems. I
>> just restarted Tomcat, and it now loads. How do I find root cause? I've
>> turned logging all the way up, and then there is too much noise. Since I
>> can't get it to trigger on my workstation, I can't get a debugger connected
>> to figure it out from there.
>>
>> Thanks,
>>
>> Richard
>>
>>
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>


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