Opened an issue here in order to not pollute the mailinglist further:
https://jira.codehaus.org/browse/GEOT-4765

Andrea

On Thu, Apr 10, 2014 at 10:19 AM, andrea antonello
<andrea.antone...@gmail.com> wrote:
> Ok, looks like that wasn't it.
>
> I have been fooled by the words: ThreadSafeOperationRegistry and
> java.util.concurrent.FutureTask.run in the stacktrace.
>
> For the record, in case anyone was asking, the ALLOW_MULTITHREADING is
> added like:
>
>         Parameter<Boolean> multithreadParam = new
> Parameter<Boolean>(ImageMosaicFormat.ALLOW_MULTITHREADING);
>         multithreadParam.setValue(true);
>
> Still digging in the dark,
> ideas welcome.
> Andrea
>
>
>
>
>
> On Thu, Apr 10, 2014 at 10:03 AM, andrea antonello
> <andrea.antone...@gmail.com> wrote:
>> Still testing on this in the hope to get the problem.
>> Since it seems related to multithreading that is done inside geotools,
>> I would like to force single threading to see if it works.
>>
>> I assume I can push that through the reading parameters I pass to the reader.
>>
>> Here is how I pass the gridgeometry to read:
>>
>>         GeneralParameterValue[] readParams = new GeneralParameterValue[1];
>>         Parameter<GridGeometry2D> readGG = new
>> Parameter<GridGeometry2D>(AbstractGridFormat.READ_GRIDGEOMETRY2D);
>>         GridEnvelope2D gridEnvelope = new GridEnvelope2D(0, 0, width, 
>> height);
>>         Envelope env;
>>         if (crs != null) {
>>             env = new ReferencedEnvelope(west, east, south, north, crs);
>>         } else {
>>             DirectPosition2D minDp = new DirectPosition2D(west, south);
>>             DirectPosition2D maxDp = new DirectPosition2D(east, north);
>>             env = new Envelope2D(minDp, maxDp);
>>         }
>>         readGG.setValue(new GridGeometry2D(gridEnvelope, env));
>>         readParams[0] = readGG;
>>
>> I assume I have to add a second one with a connection to:
>> ImageMosaicFormat.ALLOW_MULTITHREADING
>> Up to know I have not been able to understand how I can do this.
>>
>> Does anyone have a quick hint.
>> Thanks,
>> Andrea
>>
>>
>>
>>
>>
>>
>> On Thu, Mar 20, 2014 at 7:49 AM, Jody Garnett <jody.garn...@gmail.com> wrote:
>>> Yeah I understand about not opening a random bug report seems a bit bayesian
>>> for software development.
>>>
>>> Can you add (or enable) some more logging in order to try and get a fix on
>>> things?
>>>
>>>
>>> Jody Garnett
>>>
>>>
>>> On Tue, Mar 18, 2014 at 11:09 PM, andrea antonello
>>> <andrea.antone...@gmail.com> wrote:
>>>>
>>>> Hi Jody,
>>>>
>>>> > Since you have not gotten a response I expect a bug report is called
>>>> > for.
>>>> >
>>>> > "Apparently random" errors are difficult to find, are you using the code
>>>> > in
>>>> > a multithreaded environment at all?
>>>>
>>>> nope, it is accessed in single thread mode.
>>>>
>>>> I was hoping someone would experience similar issues and comparing we
>>>> would find "something".
>>>>
>>>> I am not all that keen to open a bug report with random stuff in it.
>>>> Those usually stay stale and are of really no use.
>>>> If I come up with something that makes sense and can be reproduced, I
>>>> will sure open a report.
>>>>
>>>> Cheers,
>>>> Andrea
>>>>
>>>>
>>>>
>>>>
>>>> >
>>>> > Jody Garnett
>>>> >
>>>> >
>>>> > On Tue, Mar 11, 2014 at 12:52 AM, andrea antonello
>>>> > <andrea.antone...@gmail.com> wrote:
>>>> >>
>>>> >> Hi all,
>>>> >> I am having an apparently random error when reading rasters from
>>>> >> ImageMosaic.
>>>> >> It doesn't happen when debugging inside eclipse, so I have no idea
>>>> >> what is going on, apart of the fact that sometimes null goes into the
>>>> >> operation instead of the source.
>>>> >> It then happens from time to time when running in normal mode and from
>>>> >> outside eclipse.
>>>> >>
>>>> >> I tried this on linux with
>>>> >> java version "1.6.0_14"
>>>> >> Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
>>>> >> Java HotSpot(TM) 64-Bit Server VM (build 14.0-b16, mixed mode)
>>>> >>
>>>> >> Looking at the below the stacktrace, has anyone an idea what I could
>>>> >> try to get to a solution?
>>>> >>
>>>> >> Thanks,
>>>> >> Andrea
>>>> >>
>>>> >> ----------------------------
>>>> >>
>>>> >> Error: One factory fails for the operation "Scale"
>>>> >> Occurs in: javax.media.jai.ThreadSafeOperationRegistry
>>>> >> java.lang.reflect.InvocationTargetException
>>>> >> at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
>>>> >> at
>>>> >>
>>>> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>> >> at java.lang.reflect.Method.invoke(Method.java:597)
>>>> >> at javax.media.jai.FactoryCache.invoke(FactoryCache.java:122)
>>>> >> at
>>>> >>
>>>> >> javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1674)
>>>> >> at
>>>> >>
>>>> >> javax.media.jai.ThreadSafeOperationRegistry.invokeFactory(ThreadSafeOperationRegistry.java:473)
>>>> >> at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
>>>> >> at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
>>>> >> at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
>>>> >> at javax.media.jai.RenderedOp.getColorModel(RenderedOp.java:2242)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse$GranuleCollector.collectGranules(RasterLayerResponse.java:433)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse$GranuleCollector.access$2500(RasterLayerResponse.java:300)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.produce(RasterLayerResponse.java:970)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse$MosaicProducer.access$3200(RasterLayerResponse.java:789)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1235)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse.processRequest(RasterLayerResponse.java:1125)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterLayerResponse.createResponse(RasterLayerResponse.java:1091)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.RasterManager.read(RasterManager.java:1108)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:611)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:590)
>>>> >> at
>>>> >>
>>>> >> org.geotools.gce.imagemosaic.ImageMosaicReader.read(ImageMosaicReader.java:524)
>>>> >> at
>>>> >>
>>>> >> org.jgrasstools.gears.libs.modules.JGTModelIM.processGeometryByTileCell(JGTModelIM.java:227)
>>>> >> at
>>>> >>
>>>> >> org.jgrasstools.gears.libs.modules.JGTModelIM.processByTileCells(JGTModelIM.java:163)
>>>> >> at
>>>> >>
>>>> >> org.jgrasstools.hortonmachine.modules.geomorphology.gradient.OmsGradientIM.process(OmsGradientIM.java:93)
>>>> >> at
>>>> >> org.jgrasstools.oceandtm.ODTM03b_Slope.process(ODTM03b_Slope.java:78)
>>>> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>> >> at
>>>> >>
>>>> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>> >> at
>>>> >>
>>>> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>> >> at java.lang.reflect.Method.invoke(Method.java:597)
>>>> >> at
>>>> >>
>>>> >> org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229)
>>>> >> at
>>>> >>
>>>> >> org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)
>>>> >> at
>>>> >>
>>>> >> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
>>>> >> at
>>>> >>
>>>> >> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
>>>> >> at
>>>> >>
>>>> >> org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:121)
>>>> >> at Script1.run(Script1.groovy:6)
>>>> >> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:576)
>>>> >> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:614)
>>>> >> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:585)
>>>> >> at oms3.CLI.createSim(CLI.java:136)
>>>> >> at oms3.CLI.main(CLI.java:218)
>>>> >> Caused by: java.lang.NullPointerException
>>>> >> at javax.media.jai.GeometricOpImage.<init>(GeometricOpImage.java:280)
>>>> >> at javax.media.jai.ScaleOpImage.<init>(ScaleOpImage.java:427)
>>>> >> at
>>>> >>
>>>> >> com.sun.media.jai.opimage.ScaleNearestOpImage.<init>(ScaleNearestOpImage.java:64)
>>>> >> at com.sun.media.jai.opimage.ScaleCRIF.create(ScaleCRIF.java:126)
>>>> >> ... 40 more
>>>> >>
>>>> >>
>>>> >>
>>>> >> ------------------------------------------------------------------------------
>>>> >> Learn Graph Databases - Download FREE O'Reilly Book
>>>> >> "Graph Databases" is the definitive new guide to graph databases and
>>>> >> their
>>>> >> applications. Written by three acclaimed leaders in the field,
>>>> >> this first edition is now available. Download your free book today!
>>>> >> http://p.sf.net/sfu/13534_NeoTech
>>>> >> _______________________________________________
>>>> >> GeoTools-GT2-Users mailing list
>>>> >> GeoTools-GT2-Users@lists.sourceforge.net
>>>> >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
>>>> >
>>>> >
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Learn Graph Databases - Download FREE O'Reilly Book
>>>> "Graph Databases" is the definitive new guide to graph databases and their
>>>> applications. Written by three acclaimed leaders in the field,
>>>> this first edition is now available. Download your free book today!
>>>> http://p.sf.net/sfu/13534_NeoTech
>>>> _______________________________________________
>>>> GeoTools-GT2-Users mailing list
>>>> GeoTools-GT2-Users@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
>>>
>>>

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