Java.lang.OutOfMemoryError: Requested array size exceeds VM limit

Question

Hi!
I've a this problem and I do not know how to reselve it:
I' ve an oracle 11gr2 database in which I installed the Italian network
when I try to execute a Shortest Path algorithm or a shortestPathAStar algorithm in a java program I got this error.
[ConfigManager::loadConfig, INFO] Load config from specified inputstream.
[oracle.spatial.network.NetworkMetadataImpl, DEBUG] History metadata not found for ROUTING.ITALIA_SPAZIO
[LODNetworkAdaptorSDO::readMaximumLinkLevel, DEBUG] Query String: SELECT MAX(LINK_LEVEL) FROM ROUTING.ITALIA_SPAZIO_LINK$ WHERE LINK_LEVEL > -1
*****Begin: Shortest Path with Multiple Link Levels
*****Shortest Path Using Dijkstra
[oracle.spatial.network.lod.LabelSettingAlgorithm, DEBUG] User data categories:
[LODNetworkAdaptorSDO::isNetworkPartitioned, DEBUG] Query String: SELECT p.PARTITION_ID FROM ROUTING.ITA_SPAZIO_P_TABLE p WHERE p.LINK_LEVEL = ? AND ROWNUM = 1 [1]
[QueryUtility::prepareIDListStatement, DEBUG] Query String: SELECT NODE_ID, PARTITION_ID FROM ROUTING.ITA_SPAZIO_P_TABLE p WHERE p.NODE_ID IN ( SELECT column_value FROM table(:varray) ) AND LINK_LEVEL = ?
[oracle.spatial.network.lod.util.QueryUtility, FINEST] ID Array: [2195814]
[LODNetworkAdaptorSDO::readNodePartitionIds, DEBUG] Query linkLevel = 1
[NetworkIOImpl::readLogicalPartition, DEBUG] Read partition from blob table: partition 1181, level 1
[LODNetworkAdaptorSDO::readPartitionBlobEntry, DEBUG] Query String: SELECT BLOB, NUM_INODES, NUM_ENODES, NUM_ILINKS, NUM_ELINKS, NUM_INLINKS, NUM_OUTLINKS, USER_DATA_INCLUDED FROM ROUTING.ITA_SPAZIO_P_BLOBS_TABLE WHERE PARTITION_ID = ? AND LINK_LEVEL = ? [1181,1]
[oracle.spatial.network.lod.LabelSettingAlgorithm, WARN] Requested array size exceeds VM limit
[NetworkIOImpl::readLogicalPartition, DEBUG] Read partition from blob table: partition 1181, level 1
[LODNetworkAdaptorSDO::readPartitionBlobEntry, DEBUG] Query String: SELECT BLOB, NUM_INODES, NUM_ENODES, NUM_ILINKS, NUM_ELINKS, NUM_INLINKS, NUM_OUTLINKS, USER_DATA_INCLUDED FROM ROUTING.ITA_SPAZIO_P_BLOBS_TABLE WHERE PARTITION_ID = ? AND LINK_LEVEL = ? [1181,1]
Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit
I use the sdoapi.jar, sdomn.jar and sdoutl.jar stored in the jlib directory of the oracle installation path.
When I performe this query : SELECT BLOB, NUM_INODES, NUM_ENODES, NUM_ILINKS, NUM_ELINKS, NUM_INLINKS, NUM_OUTLINKS, USER_DATA_INCLUDED FROM ROUTING.ITA_SPAZIO_P_BLOBS_TABLE WHERE PARTITION_ID = ? AND LINK_LEVEL = ? [1181,1]
I got the following result
BLOB NUM_INODES NUM_ENODES NUM_ILINKS NUM_ELINKS NUM_INLINKS NUM_OUTLINKS USER_DATA_INCLUDED
(BLOB) 3408 116 3733 136 130 128 N
then the java code I use is :
package it.sistematica.oracle.spatial;
import it.sistematica.oracle.network.data.Constant;
import java.io.InputStream;
import java.sql.Connection;
import oracle.spatial.network.lod.DynamicLinkLevelSelector;
import oracle.spatial.network.lod.GeodeticCostFunction;
import oracle.spatial.network.lod.HeuristicCostFunction;
import oracle.spatial.network.lod.LODNetworkManager;
import oracle.spatial.network.lod.LinkLevelSelector;
import oracle.spatial.network.lod.LogicalSubPath;
import oracle.spatial.network.lod.NetworkAnalyst;
import oracle.spatial.network.lod.NetworkIO;
import oracle.spatial.network.lod.PointOnNet;
import oracle.spatial.network.lod.config.LODConfig;
import oracle.spatial.network.lod.util.PrintUtility;
import oracle.spatial.util.Logger;
public class SpWithMultiLinkLevel
     private static NetworkAnalyst analyst;
     private static NetworkIO networkIO;
     private static void setLogLevel(String logLevel)
     if("FATAL".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_FATAL);
     else if("ERROR".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_ERROR);
     else if("WARN".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_WARN);
     else if("INFO".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_INFO);
     else if("DEBUG".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_DEBUG);
     else if("FINEST".equalsIgnoreCase(logLevel))
     Logger.setGlobalLevel(Logger.LEVEL_FINEST);
     else //default: set to ERROR
     Logger.setGlobalLevel(Logger.LEVEL_ERROR);
     public static void main(String[] args) throws Exception
          String configXmlFile =                "LODConfigs.xml";
          String logLevel =           "FINEST";
          String dbUrl =                Constant.PARAM_DB_URL;
          String dbUser =                Constant.PARAM_DB_USER;
          String dbPassword =                Constant.PARAM_DB_PASS;
          String networkName =                Constant.PARAM_NETWORK_NAME;
          long startNodeId = 2195814;
          long endNodeId = 3415235;
     int linkLevel = 1;
     double costThreshold = 1550;
     int numHighLevelNeighbors = 8;
     double costMultiplier = 1.5;
     Connection conn = null;
     //get input parameters
     for(int i=0; i<args.length; i++)
     if(args.equalsIgnoreCase("-dbUrl"))
     dbUrl = args[i+1];
     else if(args[i].equalsIgnoreCase("-dbUser"))
     dbUser = args[i+1];
     else if(args[i].equalsIgnoreCase("-dbPassword"))
     dbPassword = args[i+1];
     else if(args[i].equalsIgnoreCase("-networkName") && args[i+1]!=null)
     networkName = args[i+1].toUpperCase();
     else if(args[i].equalsIgnoreCase("-linkLevel"))
     linkLevel = Integer.parseInt(args[i+1]);
     else if(args[i].equalsIgnoreCase("-configXmlFile"))
     configXmlFile = args[i+1];
     else if(args[i].equalsIgnoreCase("-logLevel"))
     logLevel = args[i+1];
     // opening connection
     System.out.println("Connecting to ......... " + Constant.PARAM_DB_URL);
     conn = LODNetworkManager.getConnection(dbUrl, dbUser, dbPassword);
     System.out.println("Network analysis for "+networkName);
     setLogLevel(logLevel);
     //load user specified LOD configuration (optional),
     //otherwise default configuration will be used
     InputStream config = (new Network()).readConfig(configXmlFile);
     LODNetworkManager.getConfigManager().loadConfig(config);
     LODConfig c = LODNetworkManager.getConfigManager().getConfig(networkName);
     //get network input/output object
     networkIO = LODNetworkManager.getCachedNetworkIO(
     conn, networkName, networkName, null);
     //get network analyst
     analyst = LODNetworkManager.getNetworkAnalyst(networkIO);
     double[] costThresholds = {costThreshold};
     LogicalSubPath subPath = null;
     try
          System.out.println("*****Begin: Shortest Path with Multiple Link Levels");
          System.out.println("*****Shortest Path Using Dijkstra");
          String algorithm = "DIJKSTRA";
          linkLevel = 1;
          costThreshold = 5000;
          subPath = analyst.shortestPathDijkstra(new PointOnNet(startNodeId), new PointOnNet(endNodeId),linkLevel, null);
          PrintUtility.print(System.out, subPath, true, 10000, 0);
          System.out.println("*****End: Shortest path using Dijkstra");
          catch (Exception e)
          e.printStackTrace();
          try
          System.out.println("*****Shortest Path using Astar");
          HeuristicCostFunction costFunction = new GeodeticCostFunction(0,-1, 0, -2);
          LinkLevelSelector lls = new DynamicLinkLevelSelector(analyst, linkLevel, costFunction, costThresholds, numHighLevelNeighbors, costMultiplier, null);
          subPath = analyst.shortestPathAStar(
          new PointOnNet(startNodeId), new PointOnNet(endNodeId), null, costFunction, lls);
          PrintUtility.print(System.out, subPath, true, 10000, 0);
          System.out.println("*****End: Shortest Path Using Astar");
          System.out.println("*****End: Shortest Path with Multiple Link Levels");
          catch (Exception e)
          e.printStackTrace();
     if(conn!=null)
     try{conn.close();} catch(Exception ignore){}
At first I create a two link level network with this command
exec sdo_net.spatial_partition('ITALIA_SPAZIO', 'ITA_SPAZIO_P_TABLE', 5000, 'LOAD_DIR', 'sdlod_part.log', 'w', 1);
exec sdo_net.spatial_partition('ITALIA_SPAZIO', 'ITA_SPAZIO_P_TABLE', 60000, 'LOAD_DIR', 'sdlod_part.log', 'w', 2);
exec sdo_net.generate_partition_blobs('ITALIA_SPAZIO', 1, 'ITA_SPAZIO_P_BLOBS_TABLE', true, true, 'LOAD_DIR', 'sdlod_part_blob.log', 'w', false, true);
exec sdo_net.generate_partition_blobs('ITALIA_SPAZIO', 2, 'ITA_SPAZIO_P_BLOBS_TABLE', true, true, 'LOAD_DIR', 'sdlod_part_blob.log', 'w', false, true);
Then I try with a single level network but I got the same error.
Please can samebody help me?

Answer 1

I find the solution to this problem.
In the LODConfig.xml file I have:
<readPartitionFromBlob>true</readPartitionFromBlob>
               <partitionBlobTranslator>oracle.spatial.network.lod.PartitionBlobTranslator11g</partitionBlobTranslator>
but when I change it to
<readPartitionFromBlob>true</readPartitionFromBlob>
               <partitionBlobTranslator>oracle.spatial.network.lod.PartitionBlobTranslator11gR2</partitionBlobTranslator>
The application starts without the obove mentioned error.