[Opensim-users] Out of memory exception

Thu Dec 4 19:15:50 UTC 2014

Warp3D leaks memory.  At the moment the only workaround is to not regenerate map tiles during the simulator session. 
The only fix will be to alter Warp3D itself not to be so braindead (i.e. to properly dispose of the graphics objects 
that it creates internally).

On 04/12/14 14:55, Karl Dreyer wrote:
> I'm encountering a strange issue with one of my regions.  It seems that this one particular region is throwing an out of
> memory exception error.  This is occurring once every 6 or 7 hours.
>
> Here is a snippet from the log file.  It seems to be happening when the sim is attempting to generate the maptile for
> the region.  We are currently using the warp 3d maptile module.  I've looked at the region and their really isn't an
> excessive amount of content on it; nor are their an excessive amount of scripts so not sure how to troubleshoot this issue.
>
> Is the out of memory exception error common for the warp 3d maptile module?  if so, is there a fix for it?
>
> 2014-12-01 08:05:08,217 DEBUG - OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage.MapImageServiceModule [MAP
> IMAGE SERVICE MODULE]: map refresh!
> 2014-12-01 08:05:08,248 DEBUG - OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage.MapImageServiceModule [MAP
> IMAGE SERVICE MODULE]: upload maptile for Serenity Isle II
> 2014-12-01 08:05:24,488 WARN  - OpenSim.Region.CoreModules.World.Warp3DMap.Warp3DImageModule [WARP 3D IMAGE MODULE]:
> Error decoding JPEG2000 texture efb8c686-a809-4307-8333-e8444d12a2eb (0 bytes): EOF reached before finding Contiguous
> Codestream Box
> 2014-12-01 08:05:53,145 DEBUG - OpenSim.Region.CoreModules.World.Warp3DMap.Warp3DImageModule [WARP 3D IMAGE MODULE]:
> GC.Collect()
> 2014-12-01 08:05:55,017 DEBUG - OpenSim.Services.Connectors.MapImageServicesConnector [MAP IMAGE CONNECTOR]: map tile
> uploaded in 1872ms
> 2014-12-01 08:06:07,325 ERROR - OpenSim.Region.Framework.Scenes.Serialization.SceneObjectSerializer [SERIALIZER]:
> Deserialization of xml failed with System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
>     at System.String.GetStringForStringBuilder(String value, Int32 startIndex, Int32 length, Int32 capacity)
>     at System.Text.StringBuilder.GetNewString(String currentString, Int32 requiredLength)
>     at System.Text.StringBuilder.Append(Char value)
>     at System.IO.StringWriter.Write(Char value)
>     at System.Xml.XmlTextWriter.InternalWriteEndElement(Boolean longFormat)
>     at System.Xml.XmlTextWriter.WriteFullEndElement()
>     at System.Xml.XmlElement.WriteTo(XmlWriter w)
>     at System.Xml.XmlElement.WriteContentTo(XmlWriter w)
>     at System.Xml.XmlElement.WriteTo(XmlWriter w)
>     at System.Xml.XmlElement.WriteContentTo(XmlWriter w)
>     at System.Xml.XmlElement.WriteTo(XmlWriter w)
>     at System.Xml.XmlElement.WriteContentTo(XmlWriter w)
>     at System.Xml.XmlNode.get_InnerXml()
>     at System.Xml.XmlElement.get_InnerXml()
>
>     at OpenSim.Region.Framework.Scenes.Serialization.SceneObjectSerializer.FromOriginalXmlFormat(String xmlData) in
> C:\IO-Stuff\opensim-0.7.6-source\OpenSim\Region\Framework\Scenes\Serialization\SceneObjectSerializer.cs:line 80.  xml
> was <SceneObjectGroup><RootPart><SceneObjectPart xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"><AllowedDrop>false</AllowedDrop><CreatorID><UUID>0b0bc9cd-5b44-4878-9634-2d2321eb08af</UUID></CreatorID><FolderID><UUID>7e283dfe-a8dc-47e2-af9b-755338bc46d5</UUID></FolderID><InventorySerial>0</InventorySerial><UUID><UUID>7e283dfe-a8dc-47e2-af9b-755338bc46d5</UUID></UUID><LocalId>2648979438</LocalId><Name>*~*Volatile*~*Diabla
> Boots Blue
> M</Name><Material>3</Material><PassTouches>false</PassTouches><PassCollisions>false</PassCollisions><RegionHandle>7649302396239616</RegionHandle><ScriptAccessPin>0</ScriptAccessPin><GroupPosition><X>210.4605</X><Y>89.11281</Y><Z>752.5</Z></GroupPosition><OffsetPosition><X>0</X><Y>0</Y><Z>0</Z></OffsetPosition><RotationOffset><X>0</X><Y>0</Y><Z>0</Z><W>1</W></RotationOffset><Velocity><X>0</X><Y>0</Y><Z>0</Z></Velocity><AngularVelocity><X>0</X><Y>0</Y><Z>0</Z></AngularVelocity><Acceleration><X>0</X><Y>0</Y><Z>0</Z></Acceleration><Description>(No
> Description)</Description><Color><R>0</R><G>0</G><B>0</B><A>255</A></Color><Text /><SitName /><TouchName
> /><LinkNum>0</LinkNum><ClickAction>0</ClickAction><Shape><ProfileCurve>1</ProfileCurve><TextureEntry>82EbJgidQ/iTMSaud6E7BgQNqQziT01Ko7NvZPhWaLr8CA2pDOJPTUqjs29k+FZouvwQDakM4k9NSqOzb2T4Vmi6/AAAAAAABEBAQAAAAACAPwAAAIA/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=</TextureEntry><ExtraParams>ATAAEQAAAMKq4NXyOEK6k3hzeWJNg+AF</ExtraParams><PathBegin>0</PathBegin><PathCurve>16</PathCurve><PathEnd>0</PathEnd><PathRadiusOffset>0</PathRadiusOffset><PathRevolutions>0</PathRevolutions><PathScaleX>100</PathScaleX><PathScaleY>100</PathScaleY><PathShearX>0</PathShearX><PathShearY>0</PathShearY><PathSkew>0</PathSkew><PathTaperX>0</PathTaperX><PathTaperY>0</PathTaperY><PathTwist>0</PathTwist><PathTwistBegin>0</PathTwistBegin><PCode>9</PCode><Pro
> fileBegin>12500</ProfileBegin><ProfileEnd>0</ProfileEnd><ProfileHollow>27500</ProfileHollow><State>0</State><ProfileShape>Square</ProfileShape><HollowShape>Same</HollowShape><SculptTexture><UUID>c2aae0d5-f238-42ba-9378-7379624d83e0</UUID></SculptTexture><SculptType>5</SculptType><SculptData>
>
> Following this line in the log file, there are pages and pages of what appears to be a binary dump.  Is it possible that
> the maptile module failed while attempting to generate a texture for this particular item?
>
> Any direction on this issue would be greatly appreciated.
>
> Kind Regards,
>
> Karl
>
>
>
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-- 
Justin Clark-Casey (justincc)
OSVW Consulting
http://justincc.org
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