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From Karl Wright <daddy...@gmail.com>
Subject Re: Null pointer exception when accessed the job info thru mcf api service
Date Mon, 24 Aug 2015 10:55:04 GMT
Hi Smitha,

This is highly unusual because it basically indicates potential database
corruption.  ManifoldCF is unable to load one or more jobs out of the
database.

Can you tell me: (1) What version of ManifoldCF are you using? (2) Have you
modified the ManifoldCF code in any way?

Thanks,
Karl


On Mon, Aug 24, 2015 at 2:34 AM, Smitha S <Smitha_S09@infosys.com> wrote:

> Hi Karl,
>
>
>
> We are facing some issues with manifoldCF. In ManifoldUI, everything shows
> up except, list of jobs. There are no logs displayed in log file.
>
>
>
> Also when we try to get job information of a particular job through mcf
> api service, we are getting null pointer exception. We tried lock clean,
> restarted server. But its of no use. Could you please help us in
> identifying the root cause.
>
>
>
> Please find the response below.
>
>
>
> h1>HTTP Status 500 - </h1><HR size="1" noshade="noshade"><p><b>type</b>
> Exception report</p><p><b>message</b> <u></u></p><p><b>description</b>
>
> <u>The server encountered an internal error that prevented it from
> fulfilling this request.</u></p><p><b>exception</b>
>
> <*pre>java.lang.NullPointerException*
>
>        org.apache.manifoldcf.crawler.jobs.PipelineManager.getRows(
> *PipelineManager.java:232*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs.getJobsChunk(
> *Jobs.java:3521*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs.getJobsMultiple(
> *Jobs.java:3451*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs$JobObjectExecutor.create(
> *Jobs.java:3644*)
>
>
> org.apache.manifoldcf.core.cachemanager.CacheManager.findObjectsAndExecute(
> *CacheManager.java:146*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs.loadMultipleInternal(
> *Jobs.java:857*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs.loadMultiple(
> *Jobs.java:838*)
>
>        org.apache.manifoldcf.crawler.jobs.Jobs.load(*Jobs.java:816*)
>
>        org.apache.manifoldcf.crawler.jobs.JobManager.load(
> *JobManager.java:794*)
>
>        org.apache.manifoldcf.crawler.system.ManifoldCF.apiReadJob(
> *ManifoldCF.java:1296*)
>
>        org.apache.manifoldcf.crawler.system.ManifoldCF.executeReadCommand(
> *ManifoldCF.java:2898*)
>
>        org.apache.manifoldcf.apiservlet.APIServlet.executeRead(
> *APIServlet.java:232*)
>
>        org.apache.manifoldcf.apiservlet.APIServlet.doGet(
> *APIServlet.java:78*)
>
>        javax.servlet.http.HttpServlet.service(*HttpServlet.java:621*)
>
>        javax.servlet.http.HttpServlet.service(*HttpServlet.java:728*)
>
>        org.apache.tomcat.websocket.server.WsFilter.doFilter(
> *WsFilter.java:51*)</pre></p><p><b>note</b>
>
>
>
> Thanks & Regards,
>
> Smitha S
>
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