MAPVIEWER-06009 and MAPVIEWER-00002

Hello,
Making a zoom in a FOI layer is generating almost all the time this error:
Jul 16, 2008 10:35:36 AM oracle.lbs.mapserver.core.MapperPool getMapper
SEVERE: Timed out waiting for a free MapMaker.
Jul 16, 2008 10:35:36 AM oracle.lbs.foi.FOIServlet doPost
SEVERE: MAPVIEWER-06009: Error processing an FOI request.
Message:MAPVIEWER-00002: Could not get a free MapMaker. Server is busy? [apps]
Wed Jul 16 10:35:36 EEST 2008
Severity: 0
Description:
at oracle.lbs.foi.FOIServer.getFeatures(FOIServer.java:1458)
at oracle.lbs.foi.FOIServer.renderFOILayer(FOIServer.java:362)
at oracle.lbs.foi.FOIServlet.doPost(FOIServlet.java:243)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)
at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)
at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
at java.lang.Thread.run(Thread.java:619)
I am running on Patch 4.
Any idea?
Regards,
Gabosu

Increasing the number of mappers (from 3 to 32) has solved this issue for the moment.
Seems the mapper is trapped in this point:
Jul 20, 2008 8:33:00 AM oracle.lbs.foi.FOIServlet doPost
SEVERE: MAPVIEWER-06009: Error processing an FOI request.
java.lang.IllegalStateException: IOException: Premature end of POST data
at com.evermind.server.http.EvermindHttpServletRequest.getParameter(EvermindHttpServletRequest.java:2301)
at oracle.lbs.foi.FOIServlet.getRequest(FOIServlet.java:524)
at oracle.lbs.foi.FOIServlet.doPost(FOIServlet.java:231)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:713)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)
at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)
at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
at java.lang.Thread.run(Thread.java:619)
and is taking some time to escape.
Anyway, I do not have anymore MAPVIEWER-06009 and MAPVIEWER-00002 for the moment.
Regards,
Gabosu

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06/09/15 08:01:44 INFO [oracle.sdovis.DBMapMaker] **** time spent on rendering: 0ms
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06/09/15 08:01:48 INFO [oracle.sdovis.DBMapMaker] **** time spent on rendering: 0ms
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06/09/15 08:01:51 INFO [oracle.sdovis.DBMapMaker] **** time spent on rendering: 16ms
06/09/15 08:01:51 INFO [oracle.sdovis.DBMapMaker] **** time spent on loading features: 92186ms.
06/09/15 08:01:51 INFO [oracle.sdovis.DBMapMaker] **** time spent on rendering: 16ms
06/09/15 08:01:53 INFO [oracle.sdovis.DBMapMaker] **** time spent on loading features: 97024ms.
06/09/15 08:01:53 INFO [oracle.sdovis.DBMapMaker] **** time spent on loading features: 93618ms.
06/09/15 08:01:53 INFO [oracle.sdovis.DBMapMaker] **** time spent on rendering: 16ms
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<zoom_level level="14" name="" description="" scale="16384.0" tile_width="1222.992431640625" tile_height="1222.992431640625"/>
<zoom_level level="15" name="" description="" scale="32768.0" tile_width="611.4962158203125" tile_height="611.4962158203125"/>
<zoom_level level="16" name="" description="" scale="65536.0" tile_width="305.74810791015625" tile_height="305.74810791015625"/>
<zoom_level level="17" name="" description="" scale="131072.0" tile_width="152.87405395507812" tile_height="152.87405395507812"/>
<zoom_level level="18" name="" description="" scale="262144.0" tile_width="76.43702697753906" tile_height="76.43702697753906"/>
</zoom_levels>
on zoomlevel 18 I'm "closest" to the ground, on 1 I can see the whole world (no data there in my theme but theoretically...) - all fine (except black borders between tiles - other problem).
Now I want to improve image quality by choosing pyramid-levels for the zoom-level and tried to figure out a way to set up basemaps in mapbuilder using ratio.
That's where I noticed, that MapBuilder seems to use a different way of calculating scale in comparison to MapViewer. E.g. in my case scale 262144 is zoom-level 18 in MapViewer, but viewing the picture in MapBuilder I have to chose scale 1024 to get the same picture (which is zoom-level 10 in MapViewer).
Did I get anything wrong about this? Or is there anything I can do to sync the scales in order to make working with mapbuilder and mapviewer combined easier?
Also is there a way to see which pyramid-level of the georaster-file is used to calculate a maptile in MapViewer?
Thanks,
NilsO

Hi NilsO,
first about the pyramid level of GeoRaster used. MapViewer/MapBuilder calculates the closest pyramid level for the current map scale (based on map and device windows). You can find this information in the log when the GeoRaster theme images are being generated (you may need to set the logging to finest).
About the tile layer definition, in XML tile layer definition the values of min_scale and max_scale are interpreted differently from MapViewer base map definition. So I think in your case the min_scale should be 1.0 and the max_scale should be 262144 in XML, and the zoom levels would be in reverse order that you have.
How did you generate this tile layer definition?
The visualization scales in MapBuilder/MapViewer and Oracle maps in general should be consistent, although rendering in MapBuilder does not use the zoom levels of Oracle Maps (can be any scale). Please try changing the tile layer definition as mentioned above, to see if you still get the scale differences.
Joao

MAPVIEWER-06009 and MAPVIEWER-00002

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