On 2017-10-11 15:47, Rob Vesse wrote:
> Comments inline:
> 
> On 11/10/2017 11:57, "George News" <[email protected]> wrote:
> 
>     Hi all,
>     
>     The project I'm working in currently has a TDB with approximately 100M
>     triplets and the size is increasing quite quickly. When I make a typical
>     SPARQL query for getting data from the system, it takes ages, sometimes
>     more than 10-20 minutes. I think performance wise this is not really
>     user friendly. Therefore I need to know how I can increase the speed, etc.

We have made a tdbdump of the current TDB and the size for the figures
we pointed out are about 70GB in RDF/xml format.

>     I'm running the whole system on a machine with Intel Xeon E312xx with
>     32Gb RAM and many times I'm getting OutofMemory Exceptions and the
>     google.cache that Jena handles is the one that seems to be causing the
>     problem.
> 
>  Specifics stack traces would be useful to understand where the cache is 
> being exploded. Certain kinds of query may use the cache more heavily than 
> others so some elaboration on the general construction of queries would be 
> interesting.

Find ExceptionStackTrace.txt file as an example. Most of the times the
error is quite similar.

>     
>     Are the figures I'm pointing normal (machine specs, response time,
>     etc.)? Is it too big/too small?
> 
>  The size of the data seems small relative to the size of the machine. You 
> don’t specify whether you change the JVM heap size, most memory usage in TDB 
> is off-heap via memory mapped files so setting too large a heap can 
> negatively impact performance.
> 
>  The response times seems very poor but that may be the nature of your 
> queries and data structure, however since you are unable to show those we can 
> only provide generalisations
>
>     For the moment, we have decided to split the graph in pieces, that is,
>     generating a new named graph every now and then so the amount of
>     information stored in a "current" graph is smaller. Then restricting the
>     query to a set of graphs things work better.
>     
>     Although this solution works, when we merge the graphs for historical
>     queries, we are facing the same problem as before. Then, how can we
>     increased the speed?
>     
>     I cannot disclosed the dataset or part of it, but I will try to somehow
>     explain it.
>     
>     - Ids for entities are approximately 255 random ASCII characters. Does
>     the size of the ids affect the speed of the SPARQL queries? If yes, can
>     I apply a Lucene index to the IDs in order to reduce the query time?
> 
>  It depends on the nature of the query. All terms are mapped into 64-bit 
> internal identifiers, these are only mapped back to the original terms as and 
> when that query engine and/or results serialisation requires it.  A cache is 
> used to speed up the mapping in both directions so depending on the nature of 
> the queries and your system loads you may be thrashing this cache.
>     
>     - The depth level of the graph or the information relationship is around
>     7-8 level at most, but most of the times it is required to link 3-4 
> levels.
> 
>   Difficult to say how this impacts performance because it really depends on 
> how you are querying that structure
>     
>     - Most of the queries include several:
>     ?x myont:hasattribute ?b.
>     ?a rdf:type ?b.
>     
>     Therefore checking the class and subclasses of entities. Is there anyway
>     to speed up the inference as if I'm asking for the parent class I will
>     get also the children ones defined in my ontology.
> 
> So are you actively using inference? If you are then that will significantly 
> degrade performance because the inference closure is done entirely in memory 
> i.e. not in TDB if inference is turned on and you will get minimal 
> performance benefit from using TDB.
> 
>  If you only need simple inference like class and property hierarchy you may 
> be better served by asserting those statically using SPARQL updates and not 
> using dynamic inference

sorry for the delay on providing examples of data and SPARQL queries we
usually make.

The data we are using is following the ontology that is publicly
available at [1].

Using this ontology, a sample of a semantic document in JSON-LD format
can be found in the files attached (Observation.jsonld and
Resource.jsonld). These individuals are stored in a TDB using JENA, and
are stored in different graphs that can be merged within the code using
MultiUnion in order to make queries. Then we are requesting for data by
using SPARQL Select queries with quite a lot of inference required
(SPARQL.txt).

As you suggested, we have made some tries including more properties
(mainly rdf:type) for the individual descriptions in order to disable
inference from the requests. For instance, whenever I register a
m3-lite#AirThermometer I'm always including it is also a
ssn#SensingDevice. This way this device can be easily discovered by its
more descriptive name and/or by its generic one.

However, the results are not the expected using the same SPARQL
sentences and I have to create specific SPARQL queries to properly
discover the data. Is this the way you suggested to work? Should then I
inform the users of our system about the way we are registering data?

[1]: http://ontology.fiesta-iot.eu/ontologyDocs/fiesta-iot/doc


>     - I know the "." in a query acts as more or less like an AND logical
>     operation. Does the order of sentences have implications in the
>     performance? Should I start with the most restrictive ones? Should I
>     start with the simplest ones, i.e. checking number values, etc.?
> 
>  yes and no.  TDB Will attempt to do the necessary scans in an optimal order 
> based on its knowledge of the statistics of the data. However this only 
> applies within a single query pattern i.e. { } so depending on the structure 
> of your query you may need to do some manual reordering. Also if inference is 
> involved then that may interact.
>     
>     - Some of the queries uses spatial and time filtering? Is is worth
>     implementing the support for spatial searches with SPARQL? Is there any
>     kind of index for time searches?
> 
>  There is a geospatial indexing extension but there is no temporal indexing 
> provided by Jena.

As you can see from the Resource.jsonld, we are using location. Do you
think indexing will help on locating the individuals?
>     
>     Any help is more than welcome.
> 
>  Without more detail it is difficult to provide more detailed help.
> 
> Rob
>     
>     Regards,
>     Jorge
>     
> 
> 
> 
> 
> 
PREFIX iot-lite: <http://purl.oclc.org/NET/UNIS/fiware/iot-lite#>
PREFIX ssn: <http://purl.oclc.org/NET/ssnx/ssn#>
PREFIX geo:  <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT ?sensor ?qk ?deployment ?type ?unit ?lat ?long ?endp
WHERE {
        ?deployment a ssn:Deployment . 
        {
                ?dev ssn:hasDeployment ?deployment . 
                ?dev ssn:onPlatform ?platform.
                ?platform geo:location ?point .
                ?point geo:lat ?lat .
                ?point geo:long ?long .
                ?dev ssn:hasSubSystem ?sensor 
        }
        UNION
        {
                ?sensor ssn:hasDeployment ?deployment .
                ?sensor ssn:onPlatform ?platform.
                ?platform geo:location ?point .
                ?point geo:lat ?lat .
                ?point geo:long ?long .
        }
        ?sensor iot-lite:hasQuantityKind ?qkr . 
        ?qkr rdf:type ?qk . 
        ?sensor iot-lite:hasUnit ?unitr .
        ?unitr rdf:type ?unit .                 
        ?sensor a ?type
        OPTIONAL {
                ?sensor iot-lite:exposedBy ?serv .
                ?serv iot-lite:endpoint ?endp . 
        }
  }
{
  "@context":{
    "xml":"http://www.w3.org/XML/1998/namespace";,
    "owl":"http://www.w3.org/2002/07/owl#";,
    "ssn":"http://purl.oclc.org/NET/ssnx/ssn#";,
    "dul":"http://www.loa.istc.cnr.it/ontologies/DUL.owl#";,
    "rdfs":"http://www.w3.org/2000/01/rdf-schema#";,
    "iot-lite":"http://purl.oclc.org/NET/UNIS/fiware/iot-lite#";,
    "virtual-uri":"http://virtual.uri.org#";,
    "qu-unit":"http://purl.oclc.org/NET/ssnx/qu/unit#";,
    "rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#";,
    "rdfa":"http://www.w3.org/ns/rdfa#";,
    "xsd":"http://www.w3.org/2001/XMLSchema#";,
    "time":"http://www.w3.org/2006/time#";,
    "m3-lite":"http://purl.org/iot/vocab/m3-lite#";,
    "qu-quantity":"http://purl.oclc.org/NET/ssnx/qu/quantity#";,
    "geo":"http://www.w3.org/2003/01/geo/wgs84_pos#";,
    "xhv":"http://www.w3.org/1999/xhtml/vocab#";
  },
  "@graph":[
    {
      "geo:location":{
        "@id":"_:b3299973926"
      },
      "ssn:observationSamplingTime":{
        "@id":"_:b3299973925"
      },
      "ssn:observationResult":{
        "@id":"_:b3299973927"
      },
      "ssn:observedBy":{
        "@id":"http://virtual-testbed.org/1/R110.temperature-ambient-sensor-0";
      },
      "ssn:observedProperty":{
        
"@id":"http://virtual-testbed.org/1/R110.temperature-ambient-sensor-0.quantity";
      },
      "@id":"_:b3299973924",
      "@type":"ssn:Observation"
    },
    {
      
"@id":"http://virtual-testbed.org/1/R110.temperature-ambient-sensor-0.quantity";,
      "@type":"m3-lite:AirTemperature"
    },
    {
      "@id":"_:b3299973925",
      "@type":"time:Instant",
      "time:inXSDDateTime":{
        "@type":"xsd:dateTime",
        "@value":"2017-10-23T14:43:02.201439+00:00"
      }
    },
    {
      "geo:long":{
        "@type":"xsd:double",
        "@value":"-5.881140576838679E-1"
      },
      "@id":"_:b3299973926",
      "@type":"geo:Point",
      "geo:lat":{
        "@type":"xsd:double",
        "@value":"5.124298660803218E1"
      }
    },
    {
      "ssn:hasValue":{
        "@id":"_:b3299973928"
      },
      "@id":"_:b3299973927",
      "@type":"ssn:SensorOutput"
    },
    {
      "dul:hasDataValue":{
        "@type":"xsd:float",
        "@value":"14.8566610795"
      },
      "iot-lite:hasUnit":{
        
"@id":"http://virtual-testbed.org/1/R110.temperature-ambient-sensor-0.unit";
      },
      "@id":"_:b3299973928",
      "@type":"ssn:ObservationValue"
    },
    {
      
"@id":"http://virtual-testbed.org/1/R110.temperature-ambient-sensor-0.unit";,
      "@type":"m3-lite:DegreeCelsius"
    }
  ]
}
{
  "@graph" : [ {
    "@id" : "http://virtual-testbed.org#1";,
    "@type" : "http://purl.oclc.org/NET/ssnx/ssn#Deployment";
  }, {
    "@id" : "http://virtual-testbed.org/1/R3081091219";,
    "@type" : "http://purl.oclc.org/NET/ssnx/ssn#Device";,
    "hasDeployment" : "http://virtual-testbed.org#1";,
    "hasSubSystem" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0";,
    "onPlatform" : "http://virtual-testbed.org/1/R3081091219.platform";
  }, {
    "@id" : "http://virtual-testbed.org/1/R3081091219.location";,
    "@type" : "http://www.w3.org/2003/01/geo/wgs84_pos#Point";,
    "http://www.w3.org/2003/01/geo/wgs84_pos#lat"; : 51.24186317491031,
    "http://www.w3.org/2003/01/geo/wgs84_pos#long"; : -0.5871126771814429
  }, {
    "@id" : "http://virtual-testbed.org/1/R3081091219.platform";,
    "@type" : "http://purl.oclc.org/NET/ssnx/ssn#Platform";,
    "attachedSystem" : "http://virtual-testbed.org/1/R3081091219";,
    "location" : "http://virtual-testbed.org/1/R3081091219.location";
  }, {
    "@id" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0";,
    "@type" : "http://purl.org/iot/vocab/m3-lite#AirThermometer";,
    "hasQuantityKind" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0.quantity";,
    "hasUnit" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0.unit";,
    "isSubSystemOf" : "http://virtual-testbed.org/1/R3081091219";
  }, {
    "@id" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0.quantity";,
    "@type" : "http://purl.org/iot/vocab/m3-lite#AirTemperature";
  }, {
    "@id" : 
"http://virtual-testbed.org/1/R3081091219.temperature-ambient-sensor-0.unit";,
    "@type" : "http://purl.org/iot/vocab/m3-lite#DegreeCelsius";
  } ],
  "@context" : {
    "location" : {
      "@id" : "http://www.w3.org/2003/01/geo/wgs84_pos#location";,
      "@type" : "@id"
    },
    "attachedSystem" : {
      "@id" : "http://purl.oclc.org/NET/ssnx/ssn#attachedSystem";,
      "@type" : "@id"
    },
    "hasSubSystem" : {
      "@id" : "http://purl.oclc.org/NET/ssnx/ssn#hasSubSystem";,
      "@type" : "@id"
    },
    "onPlatform" : {
      "@id" : "http://purl.oclc.org/NET/ssnx/ssn#onPlatform";,
      "@type" : "@id"
    },
    "hasDeployment" : {
      "@id" : "http://purl.oclc.org/NET/ssnx/ssn#hasDeployment";,
      "@type" : "@id"
    },
    "long" : {
      "@id" : "http://www.w3.org/2003/01/geo/wgs84_pos#long";,
      "@type" : "http://www.w3.org/2001/XMLSchema#double";
    },
    "lat" : {
      "@id" : "http://www.w3.org/2003/01/geo/wgs84_pos#lat";,
      "@type" : "http://www.w3.org/2001/XMLSchema#double";
    },
    "isSubSystemOf" : {
      "@id" : "http://purl.oclc.org/NET/UNIS/fiware/iot-lite#isSubSystemOf";,
      "@type" : "@id"
    },
    "hasUnit" : {
      "@id" : "http://purl.oclc.org/NET/UNIS/fiware/iot-lite#hasUnit";,
      "@type" : "@id"
    },
    "hasQuantityKind" : {
      "@id" : "http://purl.oclc.org/NET/UNIS/fiware/iot-lite#hasQuantityKind";,
      "@type" : "@id"
    }
  }
}
default task-38
  at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:48)
  at 
org.apache.jena.ext.com.google.common.cache.LocalCache$Strength$1.referenceValue(Lorg/apache/jena/ext/com/google/common/cache/LocalCache$Segment;Lorg/apache/jena/ext/com/google/common/cache/LocalCache$ReferenceEntry;Ljava/lang/Object;I)Lorg/apache/jena/ext/com/google/common/cache/LocalCache$ValueReference;
 (LocalCache.java:382)
  at 
org.apache.jena.ext.com.google.common.cache.LocalCache$Segment.setValue(Lorg/apache/jena/ext/com/google/common/cache/LocalCache$ReferenceEntry;Ljava/lang/Object;Ljava/lang/Object;J)V
 (LocalCache.java:2165)
  at 
org.apache.jena.ext.com.google.common.cache.LocalCache$Segment.put(Ljava/lang/Object;ILjava/lang/Object;Z)Ljava/lang/Object;
 (LocalCache.java:2883)
  at 
org.apache.jena.ext.com.google.common.cache.LocalCache.put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
 (LocalCache.java:4149)
  at 
org.apache.jena.ext.com.google.common.cache.LocalCache$LocalManualCache.put(Ljava/lang/Object;Ljava/lang/Object;)V
 (LocalCache.java:4754)
  at 
org.apache.jena.atlas.lib.cache.CacheGuava.put(Ljava/lang/Object;Ljava/lang/Object;)V
 (CacheGuava.java:76)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableCache.cacheUpdate(Lorg/apache/jena/graph/Node;Lorg/apache/jena/tdb/store/NodeId;)V
 (NodeTableCache.java:207)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableCache._retrieveNodeByNodeId(Lorg/apache/jena/tdb/store/NodeId;)Lorg/apache/jena/graph/Node;
 (NodeTableCache.java:129)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableCache.getNodeForNodeId(Lorg/apache/jena/tdb/store/NodeId;)Lorg/apache/jena/graph/Node;
 (NodeTableCache.java:82)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(Lorg/apache/jena/tdb/store/NodeId;)Lorg/apache/jena/graph/Node;
 (NodeTableWrapper.java:50)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableInline.getNodeForNodeId(Lorg/apache/jena/tdb/store/NodeId;)Lorg/apache/jena/graph/Node;
 (NodeTableInline.java:67)
  at 
org.apache.jena.tdb.store.nodetable.NodeTableWrapper.getNodeForNodeId(Lorg/apache/jena/tdb/store/NodeId;)Lorg/apache/jena/graph/Node;
 (NodeTableWrapper.java:50)
  at 
org.apache.jena.tdb.solver.BindingTDB.get1(Lorg/apache/jena/sparql/core/Var;)Lorg/apache/jena/graph/Node;
 (BindingTDB.java:122)
  at 
org.apache.jena.sparql.engine.binding.BindingBase.get(Lorg/apache/jena/sparql/core/Var;)Lorg/apache/jena/graph/Node;
 (BindingBase.java:121)
  at 
org.apache.jena.sparql.expr.ExprLib.evalOrElse(Lorg/apache/jena/sparql/expr/Expr;Lorg/apache/jena/sparql/engine/binding/Binding;Lorg/apache/jena/sparql/function/FunctionEnv;Lorg/apache/jena/sparql/expr/NodeValue;)Lorg/apache/jena/sparql/expr/NodeValue;
 (ExprLib.java:70)
  at 
org.apache.jena.sparql.expr.ExprLib.evalOrNull(Lorg/apache/jena/sparql/expr/Expr;Lorg/apache/jena/sparql/engine/binding/Binding;Lorg/apache/jena/sparql/function/FunctionEnv;)Lorg/apache/jena/sparql/expr/NodeValue;
 (ExprLib.java:38)
  at 
org.apache.jena.sparql.expr.aggregate.AccumulatorExpr.accumulate(Lorg/apache/jena/sparql/engine/binding/Binding;Lorg/apache/jena/sparql/function/FunctionEnv;)V
 (AccumulatorExpr.java:50)
  at 
org.apache.jena.sparql.engine.iterator.QueryIterGroup$1.initializeIterator()Ljava/util/Iterator;
 (QueryIterGroup.java:111)
  at org.apache.jena.atlas.iterator.IteratorDelayedInitialization.init()V 
(IteratorDelayedInitialization.java:40)
  at org.apache.jena.atlas.iterator.IteratorDelayedInitialization.hasNext()Z 
(IteratorDelayedInitialization.java:50)
  at 
org.apache.jena.sparql.engine.iterator.QueryIterPlainWrapper.hasNextBinding()Z 
(QueryIterPlainWrapper.java:53)
  at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext()Z 
(QueryIteratorBase.java:114)
  at 
org.apache.jena.sparql.engine.iterator.QueryIterProcessBinding.hasNextBinding()Z
 (QueryIterProcessBinding.java:66)
  at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext()Z 
(QueryIteratorBase.java:114)
  at org.apache.jena.sparql.engine.iterator.QueryIterConvert.hasNextBinding()Z 
(QueryIterConvert.java:58)
  at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext()Z 
(QueryIteratorBase.java:114)
  at 
org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding()Z 
(QueryIteratorWrapper.java:39)
  at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext()Z 
(QueryIteratorBase.java:114)
  at 
org.apache.jena.sparql.engine.iterator.QueryIteratorWrapper.hasNextBinding()Z 
(QueryIteratorWrapper.java:39)
  at org.apache.jena.sparql.engine.iterator.QueryIteratorBase.hasNext()Z 
(QueryIteratorBase.java:114)
  at org.apache.jena.sparql.engine.ResultSetStream.hasNext()Z 
(ResultSetStream.java:74)
  at org.apache.jena.sparql.engine.ResultSetCheckCondition.hasNext()Z 
(ResultSetCheckCondition.java:55)
  at 
es.semantic.project.serialize.ResultSetSerializer.asJSON()Ljava/lang/String; 
(ResultSetSerializer.java:161)
  at 
es.semantic.project.serialize.Serializer.writeAs(Ljava/lang/String;)Ljava/lang/String;
 (Serializer.java:98)
  at 
es.semantic.project.serialize.Serializer.writeAs(Ljavax/ws/rs/core/MediaType;)Ljava/lang/String;
 (Serializer.java:69)
  at 
es.semantic.project.rest.QueryRestService.executeQuery(Les/semantic/project/storage/sql/SparqlQuery$Scope;Ljava/lang/String;Ljavax/ws/rs/core/Request;)Ljavax/ws/rs/core/Response;
 (QueryRestService.java:340)
  at 
es.semantic.project.rest.QueryRestService$Proxy$_$$_WeldClientProxy.executeQuery(Les/semantic/project/storage/sql/SparqlQuery$Scope;Ljava/lang/String;Ljavax/ws/rs/core/Request;)Ljavax/ws/rs/core/Response;
 (Unknown Source)
  at 
sun.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
 (Native Method)
  at 
sun.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
 (NativeMethodAccessorImpl.java:62)
  at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
 (DelegatingMethodAccessorImpl.java:43)
  at 
java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
 (Method.java:498)
  at 
org.jboss.resteasy.core.MethodInjectorImpl.invoke(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;Ljava/lang/Object;)Ljava/lang/Object;
 (MethodInjectorImpl.java:139)
  at 
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;Ljava/lang/Object;)Lorg/jboss/resteasy/specimpl/BuiltResponse;
 (ResourceMethodInvoker.java:295)
  at 
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;Ljava/lang/Object;)Lorg/jboss/resteasy/specimpl/BuiltResponse;
 (ResourceMethodInvoker.java:249)
  at 
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;)Lorg/jboss/resteasy/specimpl/BuiltResponse;
 (ResourceMethodInvoker.java:236)
  at 
org.jboss.resteasy.core.SynchronousDispatcher.invoke(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;Lorg/jboss/resteasy/core/ResourceInvoker;)V
 (SynchronousDispatcher.java:395)
  at 
org.jboss.resteasy.core.SynchronousDispatcher.invoke(Lorg/jboss/resteasy/spi/HttpRequest;Lorg/jboss/resteasy/spi/HttpResponse;)V
 (SynchronousDispatcher.java:202)
  at 
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(Ljava/lang/String;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Z)V
 (ServletContainerDispatcher.java:221)
  at 
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Ljava/lang/String;Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
 (HttpServletDispatcher.java:56)
  at 
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
 (HttpServletDispatcher.java:51)
  at 
javax.servlet.http.HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
 (HttpServlet.java:790)
  at 
io.undertow.servlet.handlers.ServletHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletHandler.java:85)
  at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
 (FilterHandler.java:129)
  at 
org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
 (Log4jServletFilter.java:71)
  at 
io.undertow.servlet.core.ManagedFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
 (ManagedFilter.java:60)
  at 
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
 (FilterHandler.java:131)
  at 
io.undertow.servlet.handlers.FilterHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (FilterHandler.java:84)
  at 
io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletSecurityRoleHandler.java:62)
  at 
io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletDispatchingHandler.java:36)
  at 
org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (SecurityContextAssociationHandler.java:78)
  at 
io.undertow.server.handlers.PredicateHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (PredicateHandler.java:43)
  at 
io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (SSLInformationAssociationHandler.java:131)
  at 
io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletAuthenticationCallHandler.java:57)
  at 
io.undertow.server.handlers.PredicateHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (PredicateHandler.java:43)
  at 
io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (AbstractConfidentialityHandler.java:46)
  at 
io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletConfidentialityConstraintHandler.java:64)
  at 
io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (AuthenticationMechanismsHandler.java:60)
  at 
io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (CachedAuthenticatedSessionHandler.java:77)
  at 
io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (NotificationReceiverHandler.java:50)
  at 
io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (AbstractSecurityContextAssociationHandler.java:43)
  at 
io.undertow.server.handlers.PredicateHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (PredicateHandler.java:43)
  at 
org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (JACCContextIdHandler.java:61)
  at 
io.undertow.server.handlers.PredicateHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (PredicateHandler.java:43)
  at 
io.undertow.server.handlers.PredicateHandler.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (PredicateHandler.java:43)
  at 
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(Lio/undertow/server/HttpServerExchange;Lio/undertow/servlet/handlers/ServletChain;Lio/undertow/servlet/handlers/ServletRequestContext;Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
 (ServletInitialHandler.java:284)
  at 
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(Lio/undertow/server/HttpServerExchange;Lio/undertow/servlet/handlers/ServletRequestContext;Lio/undertow/servlet/handlers/ServletChain;Ljavax/servlet/DispatcherType;)V
 (ServletInitialHandler.java:263)
  at 
io.undertow.servlet.handlers.ServletInitialHandler.access$000(Lio/undertow/servlet/handlers/ServletInitialHandler;Lio/undertow/server/HttpServerExchange;Lio/undertow/servlet/handlers/ServletRequestContext;Lio/undertow/servlet/handlers/ServletChain;Ljavax/servlet/DispatcherType;)V
 (ServletInitialHandler.java:81)
  at 
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(Lio/undertow/server/HttpServerExchange;)V
 (ServletInitialHandler.java:174)
  at 
io.undertow.server.Connectors.executeRootHandler(Lio/undertow/server/HttpHandler;Lio/undertow/server/HttpServerExchange;)V
 (Connectors.java:202)
  at io.undertow.server.HttpServerExchange$1.run()V 
(HttpServerExchange.java:793)
  at 
java.util.concurrent.ThreadPoolExecutor.runWorker(Ljava/util/concurrent/ThreadPoolExecutor$Worker;)V
 (ThreadPoolExecutor.java:1142)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run()V 
(ThreadPoolExecutor.java:617)
  at java.lang.Thread.run()V (Thread.java:745)

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