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From Farzad Valad <ho...@farzad.net>
Subject Re: Fatal Error
Date Thu, 26 May 2011 15:20:27 GMT
So even for addOrReplaceDocument, removeDocument, and getActivitiesList 
I should call the super?

On 5/26/2011 10:06 AM, Karl Wright wrote:
> In general, if you are extending BaseOutputConnector, you should
> either not implement a method at all (and thus allow the base class
> method to be used), or you should always make sure to call the
> superclass method from your extending class.  That's a pretty standard
> way to do things throughout Java.
>
> Karl
>
>
> On Thu, May 26, 2011 at 11:01 AM, Farzad Valad<hokie@farzad.net>  wrote:
>> Thanks for looking at the code and that fixed it.  The connect method has
>> been empty since day one, very strange that now it started to give me
>> problems.  I went as far back as 3 months of history.
>>
>> So do I need to call the super method for disconnect, install, deinstall?
>> Any others?  I noticed adding it to disconnect I had to modify the method
>> signature to throw the ManifoldCFException.
>>
>> On 5/26/2011 9:19 AM, Karl Wright wrote:
>>> Here's your problem:
>>>
>>>         public void connect(ConfigParams configParams) {
>>>                 if (Logging.connectors.isEnabledFor(Level.DEBUG)) {
>>>                         Logging.connectors.debug("Connection instance
>>> requested");
>>>                 }
>>>         }
>>>
>>> You need to have a super.connect(configParams) in there somewhere.
>>>
>>> Karl
>>>
>>> On Thu, May 26, 2011 at 10:06 AM, Farzad Valad<hokie@farzad.net>    wrote:
>>>> Well I have extended BaseOutputConnector and not overriding
>>>> getConfiguration().   I don't know why this would be a problem now, but
>>>> should I be overriding a method or supplying parms I'm not?
>>>>
>>>> On 5/26/2011 7:52 AM, Karl Wright wrote:
>>>>> Is it possible for your connector to return a null value from a
>>>>> getConfiguration() method call?  This would be unlikely if it extended
>>>>> BaseOutputConnector, but maybe it does not.
>>>>>
>>>>> Karl
>>>>>
>>>>> On Thu, May 26, 2011 at 8:43 AM,<hokie@farzad.net>      wrote:
>>>>>> So I put log statements in all my methods, the last one called is
>>>>>> setThreadContext.  Also I'm not sharing objects in threads, removed
the
>>>>>> id
>>>>>> code all together.  May something is corrupt in the db tables?  I'm
>>>>>> just
>>>>>> trying edit an existing job.  I could try zapping the db table and
>>>>>> starting
>>>>>> over.
>>>>>>
>>>>>>         public void setThreadContext(IThreadContext threadContext)
{
>>>>>>                 if (Logging.connectors.isEnabledFor(Level.DEBUG))
{
>>>>>>                         Logging.connectors.debug("Connection handle
>>>>>> requested");
>>>>>>                 }
>>>>>>                 try {
>>>>>>                         super.setThreadContext(threadContext);
>>>>>>                 } catch (ManifoldCFException e) {
>>>>>>                         e.printStackTrace();
>>>>>>                 }
>>>>>>         }
>>>>>>
>>>>>>
>>>>>> On Wed, 25 May 2011 18:14:29 -0400, Karl Wright<daddywri@gmail.com>
>>>>>>   wrote:
>>>>>>> My guess would be inadvertant cross-thread object sharing again.
>>>>>>> Nothing significant has changed in ManifoldCF in this area in
a long
>>>>>>> while.
>>>>>>>
>>>>>>> Karl
>>>>>>>
>>>>>>> On Wed, May 25, 2011 at 6:10 PM,<hokie@farzad.net>    
 wrote:
>>>>>>>> I'm getting some very strange errors internal errors.  I'd
like to
>>>>>>>> say
>>>>>>>> I
>>>>>>>> haven't done something, but something must of changed since
the last
>>>>>>>> time.
>>>>>>>>   Any ideas where I should be looking?  Thanks!
>>>>>>>>
>>>>>>>> SEVERE: Servlet.service() for servlet [jsp] in context with
path
>>>>>>>> [/mcf-crawler-ui] threw exception [java.lang.NullPointerException]
>>>>>>>> with
>>>>>>>> root
>>>>>>>> cause
>>>>>>>> java.lang.NullPointerException
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.manifoldcf.agents.interfaces.OutputConnectorFactory$PoolKey.hashCode(OutputConnectorFactory.java:491)
>>>>>>>>         at java.util.HashMap.get(Unknown Source)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.manifoldcf.agents.interfaces.OutputConnectorFactory.release(OutputConnectorFactory.java:395)
>>>>>>>>         at
>>>>>>>> org.apache.jsp.editjob_jsp._jspService(editjob_jsp.java:606)
>>>>>>>>         at
>>>>>>>> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>>>>>>>>         at
>>>>>>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
>>>>>>>>         at
>>>>>>>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
>>>>>>>>         at
>>>>>>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:250)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
>>>>>>>>         at
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
>>>>>>>>         at
>>>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
>>>>>>>> Source)
>>>>>>>>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
>>>>>>>> Source)
>>>>>>>>         at java.lang.Thread.run(Unknown Source)
>>>>>>>>
>>>>>>>>
>>


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