Symfony Profiler

HTTP Client

2 Total requests

0 HTTP errors

Clients

http_client 2

Requests

POST	Search
Request options	["body" => "{"$type":"eurosoft.esMetaFoundation.esMetaSearch, eurosoft.esMetaFoundation","Query":{"$type":"eurosoft.esMetaFoundation.esMetaQueryByInList, eurosoft.esMetaFoundation","FieldName":"id","List":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["0fc51287f2367c1ac2ee930d6e81d5d5"]},"Quoted":false},"QueryOptions":{"$type":"eurosoft.esMetaFoundation.esMetaQueryOptions, eurosoft.esMetaFoundation","OrderBy":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaSort, eurosoft.esMetaFoundation]], mscorlib","$values":[{"$type":"eurosoft.esMetaFoundation.esMetaSort, eurosoft.esMetaFoundation","Field":"Price_Customer","SortOrder":0}]},"ReturnNumFound":true,"StatisticFields":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":[]},"Start":0,"Rows":1,"Facet":{"$type":"eurosoft.esMetaFoundation.esMetaFacetParameter, eurosoft.esMetaFoundation","Queries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaFacetQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"Sort":true,"Limit":100,"Offset":0,"MinCount":0,"Missing":false},"FilterQueries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"ExtraParams":{"$type":"System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib"}},"CatalogSearchObject":{"$type":"eurosoft.esMetaFoundation.esMetaCatalogSearchObject, eurosoft.esMetaFoundation","Catalogs":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation]], mscorlib","$values":[{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":32,"CatalogName":"","IsUserCatalog":false},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":31,"CatalogName":"","IsUserCatalog":false,"UseReferenceCatalog":true,"ReferenceCatalogID":8,"ReferenceCatalogName":"","ReferenceIsUserCatalog":false,"References":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["MEDIA","TEXT"]}},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":1,"CatalogName":"haupt_verlag","IsUserCatalog":true}]},"Behaviour":1},"ConvertCoverUrls":true}" "headers" => [ "Content-Type" => "application/json" ]]
Response	200 ["info" => [ "header_size" => 257 "request_size" => 307 "total_time" => 1.012176 "namelookup_time" => 0.001732 "connect_time" => 0.01632 "pretransfer_time" => 0.070228 "size_upload" => 2382.0 "size_download" => 1457.0 "speed_download" => 1439.0 "speed_upload" => 2353.0 "download_content_length" => 1457.0 "upload_content_length" => 2382.0 "starttransfer_time" => 0.070298 "primary_ip" => "195.252.129.217" "primary_port" => 443 "local_ip" => "172.19.0.5" "local_port" => 42868 "http_version" => 3 "protocol" => 2 "scheme" => "HTTPS" "appconnect_time_us" => 70040 "connect_time_us" => 16320 "namelookup_time_us" => 1732 "pretransfer_time_us" => 70228 "starttransfer_time_us" => 70298 "total_time_us" => 1012176 "effective_method" => "POST" "capath" => "/etc/ssl/certs" "cainfo" => "/etc/ssl/certs/ca-certificates.crt" "start_time" => 1770164687.7619 "original_url" => "https://app.eurosoft.net/esConnectMetaB2/V1/Meta/Search" "pause_handler" => Closure(float $duration) {#19802 class: "Symfony\Component\HttpClient\Response\CurlResponse" use: { $ch: CurlHandle {#20065 …} $multi: Symfony\Component\HttpClient\Internal\CurlClientState {#20005 …} $execCounter: -9223372036854775808 } } "debug" => """ * Trying 195.252.129.217:443...\n * Connected to app.eurosoft.net (195.252.129.217) port 443 (#0)\n * ALPN: offers h2,http/1.1\n * CAfile: /etc/ssl/certs/ca-certificates.crt\n * CApath: /etc/ssl/certs\n * SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384\n * ALPN: server accepted h2\n * Server certificate:\n * subject: CN=app.eurosoft.net\n * start date: Jan 5 13:59:32 2026 GMT\n * expire date: Apr 5 13:59:31 2026 GMT\n * subjectAltName: host "app.eurosoft.net" matched cert's "app.eurosoft.net"\n * issuer: C=US; O=Let's Encrypt; CN=R12\n * SSL certificate verify ok.\n * using HTTP/2\n * h2h3 [:method: POST]\n * h2h3 [:path: /esConnectMetaB2/V1/Meta/Search]\n * h2h3 [:scheme: https]\n * h2h3 [:authority: app.eurosoft.net]\n * h2h3 [content-type: application/json]\n * h2h3 [es-sessionid: f65b3fa85e7fecee979d09bf95672c5f]\n * h2h3 [accept: /]\n * h2h3 [authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=]\n * h2h3 [user-agent: Symfony HttpClient (Curl)]\n * h2h3 [accept-encoding: gzip]\n * h2h3 [content-length: 2382]\n * Using Stream ID: 1 (easy handle 0x574a05002bd0)\n > POST /esConnectMetaB2/V1/Meta/Search HTTP/2\r\n Host: app.eurosoft.net\r\n content-type: application/json\r\n es-sessionid: f65b3fa85e7fecee979d09bf95672c5f\r\n accept: /\r\n authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=\r\n user-agent: Symfony HttpClient (Curl)\r\n accept-encoding: gzip\r\n content-length: 2382\r\n \r\n * We are completely uploaded and fine\n < HTTP/2 200 \r\n < cache-control: no-cache\r\n < pragma: no-cache\r\n < content-length: 1457\r\n < content-type: application/json; charset=utf-8\r\n < expires: -1\r\n < server: Microsoft-IIS/10.0\r\n < x-aspnet-version: 4.0.30319\r\n < x-powered-by: ASP.NET\r\n < date: Wed, 04 Feb 2026 00:24:48 GMT\r\n < \r\n """ ] "url" => "https://app.eurosoft.net/esConnectMetaB2/V1/Meta/Search" "response_headers" => [ "HTTP/2 200 " "cache-control: no-cache" "pragma: no-cache" "content-length: 1457" "content-type: application/json; charset=utf-8" "expires: -1" "server: Microsoft-IIS/10.0" "x-aspnet-version: 4.0.30319" "x-powered-by: ASP.NET" "date: Wed, 04 Feb 2026 00:24:48 GMT" ] "response_json" => [ "$type" => "eurosoft.esMetaFoundation.esMetaSearchResult, eurosoft.esMetaFoundation" "Items" => [ "$type" => "System.Collections.Generic.List`1[[eurosoft.esMetaCatalog.esMetaData.esMetaItem, eurosoft.esMetaCatalog.esMetaData]], mscorlib" "$values" => [] ] "FacetFields" => [ "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.Collections.Generic.ICollection`1[[System.Collections.Generic.KeyValuePair`2[[System.String, mscorlib],[System.Int32, mscorlib]], mscorlib]], mscorlib]], mscorlib" ] "NumFound" => 0 "Start" => 0 "MaxScore" => null "Status" => 0 "QTime" => 919 "Params" => null "StatResult" => [ "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation]], mscorlib" "EAN" => [ "$type" => "eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation" "Min" => null "Max" => null "Sum" => null "Count" => 0 "Missing" => 0 "Cardinality" => 0 "SumOfSquares" => null "Mean" => null "StdDev" => null "FacetResults" => [ "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation]], mscorlib]], mscorlib" ] ] ] ]]

POST

Request options

[
  "body" => "{"$type":"eurosoft.esMetaFoundation.esMetaSearch, eurosoft.esMetaFoundation","Query":{"$type":"eurosoft.esMetaFoundation.esMetaQueryByInList, eurosoft.esMetaFoundation","FieldName":"id","List":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["0fc51287f2367c1ac2ee930d6e81d5d5"]},"Quoted":false},"QueryOptions":{"$type":"eurosoft.esMetaFoundation.esMetaQueryOptions, eurosoft.esMetaFoundation","OrderBy":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaSort, eurosoft.esMetaFoundation]], mscorlib","$values":[{"$type":"eurosoft.esMetaFoundation.esMetaSort, eurosoft.esMetaFoundation","Field":"Price_Customer","SortOrder":0}]},"ReturnNumFound":true,"StatisticFields":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":[]},"Start":0,"Rows":1,"Facet":{"$type":"eurosoft.esMetaFoundation.esMetaFacetParameter, eurosoft.esMetaFoundation","Queries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaFacetQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"Sort":true,"Limit":100,"Offset":0,"MinCount":0,"Missing":false},"FilterQueries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"ExtraParams":{"$type":"System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib"}},"CatalogSearchObject":{"$type":"eurosoft.esMetaFoundation.esMetaCatalogSearchObject, eurosoft.esMetaFoundation","Catalogs":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation]], mscorlib","$values":[{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":32,"CatalogName":"","IsUserCatalog":false},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":31,"CatalogName":"","IsUserCatalog":false,"UseReferenceCatalog":true,"ReferenceCatalogID":8,"ReferenceCatalogName":"","ReferenceIsUserCatalog":false,"References":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["MEDIA","TEXT"]}},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":1,"CatalogName":"haupt_verlag","IsUserCatalog":true}]},"Behaviour":1},"ConvertCoverUrls":true}"
  "headers" => [
    "Content-Type" => "application/json"
  ]
]

Response

200

[
  "info" => [
    "header_size" => 257
    "request_size" => 307
    "total_time" => 1.012176
    "namelookup_time" => 0.001732
    "connect_time" => 0.01632
    "pretransfer_time" => 0.070228
    "size_upload" => 2382.0
    "size_download" => 1457.0
    "speed_download" => 1439.0
    "speed_upload" => 2353.0
    "download_content_length" => 1457.0
    "upload_content_length" => 2382.0
    "starttransfer_time" => 0.070298
    "primary_ip" => "195.252.129.217"
    "primary_port" => 443
    "local_ip" => "172.19.0.5"
    "local_port" => 42868
    "http_version" => 3
    "protocol" => 2
    "scheme" => "HTTPS"
    "appconnect_time_us" => 70040
    "connect_time_us" => 16320
    "namelookup_time_us" => 1732
    "pretransfer_time_us" => 70228
    "starttransfer_time_us" => 70298
    "total_time_us" => 1012176
    "effective_method" => "POST"
    "capath" => "/etc/ssl/certs"
    "cainfo" => "/etc/ssl/certs/ca-certificates.crt"
    "start_time" => 1770164687.7619
    "original_url" => "https://app.eurosoft.net/esConnectMetaB2/V1/Meta/Search"
    "pause_handler" => Closure(float $duration) {#19802
      class: "Symfony\Component\HttpClient\Response\CurlResponse"
      use: {
        $ch: CurlHandle {#20065 …}
        $multi: Symfony\Component\HttpClient\Internal\CurlClientState {#20005 …}
        $execCounter: -9223372036854775808
      }
    }
    "debug" => """
      *   Trying 195.252.129.217:443...\n
      * Connected to app.eurosoft.net (195.252.129.217) port 443 (#0)\n
      * ALPN: offers h2,http/1.1\n
      *  CAfile: /etc/ssl/certs/ca-certificates.crt\n
      *  CApath: /etc/ssl/certs\n
      * SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384\n
      * ALPN: server accepted h2\n
      * Server certificate:\n
      *  subject: CN=app.eurosoft.net\n
      *  start date: Jan  5 13:59:32 2026 GMT\n
      *  expire date: Apr  5 13:59:31 2026 GMT\n
      *  subjectAltName: host "app.eurosoft.net" matched cert's "app.eurosoft.net"\n
      *  issuer: C=US; O=Let's Encrypt; CN=R12\n
      *  SSL certificate verify ok.\n
      * using HTTP/2\n
      * h2h3 [:method: POST]\n
      * h2h3 [:path: /esConnectMetaB2/V1/Meta/Search]\n
      * h2h3 [:scheme: https]\n
      * h2h3 [:authority: app.eurosoft.net]\n
      * h2h3 [content-type: application/json]\n
      * h2h3 [es-sessionid: f65b3fa85e7fecee979d09bf95672c5f]\n
      * h2h3 [accept: */*]\n
      * h2h3 [authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=]\n
      * h2h3 [user-agent: Symfony HttpClient (Curl)]\n
      * h2h3 [accept-encoding: gzip]\n
      * h2h3 [content-length: 2382]\n
      * Using Stream ID: 1 (easy handle 0x574a05002bd0)\n
      > POST /esConnectMetaB2/V1/Meta/Search HTTP/2\r\n
      Host: app.eurosoft.net\r\n
      content-type: application/json\r\n
      es-sessionid: f65b3fa85e7fecee979d09bf95672c5f\r\n
      accept: */*\r\n
      authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=\r\n
      user-agent: Symfony HttpClient (Curl)\r\n
      accept-encoding: gzip\r\n
      content-length: 2382\r\n
      \r\n
      * We are completely uploaded and fine\n
      < HTTP/2 200 \r\n
      < cache-control: no-cache\r\n
      < pragma: no-cache\r\n
      < content-length: 1457\r\n
      < content-type: application/json; charset=utf-8\r\n
      < expires: -1\r\n
      < server: Microsoft-IIS/10.0\r\n
      < x-aspnet-version: 4.0.30319\r\n
      < x-powered-by: ASP.NET\r\n
      < date: Wed, 04 Feb 2026 00:24:48 GMT\r\n
      < \r\n
      """
  ]
  "url" => "https://app.eurosoft.net/esConnectMetaB2/V1/Meta/Search"
  "response_headers" => [
    "HTTP/2 200 "
    "cache-control: no-cache"
    "pragma: no-cache"
    "content-length: 1457"
    "content-type: application/json; charset=utf-8"
    "expires: -1"
    "server: Microsoft-IIS/10.0"
    "x-aspnet-version: 4.0.30319"
    "x-powered-by: ASP.NET"
    "date: Wed, 04 Feb 2026 00:24:48 GMT"
  ]
  "response_json" => [
    "$type" => "eurosoft.esMetaFoundation.esMetaSearchResult, eurosoft.esMetaFoundation"
    "Items" => [
      "$type" => "System.Collections.Generic.List`1[[eurosoft.esMetaCatalog.esMetaData.esMetaItem, eurosoft.esMetaCatalog.esMetaData]], mscorlib"
      "$values" => []
    ]
    "FacetFields" => [
      "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.Collections.Generic.ICollection`1[[System.Collections.Generic.KeyValuePair`2[[System.String, mscorlib],[System.Int32, mscorlib]], mscorlib]], mscorlib]], mscorlib"
    ]
    "NumFound" => 0
    "Start" => 0
    "MaxScore" => null
    "Status" => 0
    "QTime" => 919
    "Params" => null
    "StatResult" => [
      "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation]], mscorlib"
      "EAN" => [
        "$type" => "eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation"
        "Min" => null
        "Max" => null
        "Sum" => null
        "Count" => 0
        "Missing" => 0
        "Cardinality" => 0
        "SumOfSquares" => null
        "Mean" => null
        "StdDev" => null
        "FacetResults" => [
          "$type" => "System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[eurosoft.esMetaFoundation.esMetaSearchStatResult, eurosoft.esMetaFoundation]], mscorlib]], mscorlib"
        ]
      ]
    ]
  ]
]

POST	Search
Request options	["body" => "{"$type":"eurosoft.esMetaFoundation.esMetaSearch, eurosoft.esMetaFoundation","Query":{"$type":"eurosoft.esMetaFoundation.esMetaQueryByInList, eurosoft.esMetaFoundation","FieldName":"id","List":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["BZ@24573872"]},"Quoted":false},"QueryOptions":{"$type":"eurosoft.esMetaFoundation.esMetaQueryOptions, eurosoft.esMetaFoundation","OrderBy":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaSort, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"ReturnNumFound":true,"StatisticFields":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":[]},"Start":0,"Rows":25,"Facet":{"$type":"eurosoft.esMetaFoundation.esMetaFacetParameter, eurosoft.esMetaFoundation","Queries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaFacetQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"Sort":true,"Limit":100,"Offset":0,"MinCount":0,"Missing":false},"FilterQueries":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.IMetaQuery, eurosoft.esMetaFoundation]], mscorlib","$values":[]},"ExtraParams":{"$type":"System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib"}},"CatalogSearchObject":{"$type":"eurosoft.esMetaFoundation.esMetaCatalogSearchObject, eurosoft.esMetaFoundation","Catalogs":{"$type":"System.Collections.Generic.List`1[[eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation]], mscorlib","$values":[{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":32,"CatalogName":"","IsUserCatalog":false},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":31,"CatalogName":"","IsUserCatalog":false,"UseReferenceCatalog":true,"ReferenceCatalogID":8,"ReferenceCatalogName":"","ReferenceIsUserCatalog":false,"References":{"$type":"System.Collections.Generic.List`1[[System.String, mscorlib]], mscorlib","$values":["MEDIA","TEXT"]}},{"$type":"eurosoft.esMetaFoundation.esMetaCatalog, eurosoft.esMetaFoundation","CatalogID":1,"CatalogName":"haupt_verlag","IsUserCatalog":true}]},"Behaviour":1},"ConvertCoverUrls":true}" "headers" => [ "Content-Type" => "application/json" ]]
Response	200 ["info" => [ "header_size" => 258 "request_size" => 307 "total_time" => 0.98319 "namelookup_time" => 0.000173 "pretransfer_time" => 0.000283 "size_upload" => 2248.0 "size_download" => 30794.0 "speed_download" => 31320.0 "speed_upload" => 2286.0 "download_content_length" => 30794.0 "upload_content_length" => 2248.0 "starttransfer_time" => 0.000297 "primary_ip" => "195.252.129.217" "primary_port" => 443 "local_ip" => "172.19.0.5" "local_port" => 42868 "http_version" => 3 "protocol" => 2 "scheme" => "HTTPS" "namelookup_time_us" => 173 "pretransfer_time_us" => 283 "starttransfer_time_us" => 297 "total_time_us" => 983190 "effective_method" => "POST" "capath" => "/etc/ssl/certs" "cainfo" => "/etc/ssl/certs/ca-certificates.crt" "start_time" => 1770164688.7789 "original_url" => "https://app.eurosoft.net/esConnectMetaB2/V1/Meta/Search" "pause_handler" => Closure(float $duration) {#19484 class: "Symfony\Component\HttpClient\Response\CurlResponse" use: { $ch: CurlHandle {#19488 …} $multi: Symfony\Component\HttpClient\Internal\CurlClientState {#20005 …} $execCounter: -9223372036854775796 } } "debug" => """ * Found bundle for host: 0x574a0503f380 [can multiplex]\n * Re-using existing connection #0 with host app.eurosoft.net\n * h2h3 [:method: POST]\n * h2h3 [:path: /esConnectMetaB2/V1/Meta/Search]\n * h2h3 [:scheme: https]\n * h2h3 [:authority: app.eurosoft.net]\n * h2h3 [content-type: application/json]\n * h2h3 [es-sessionid: f65b3fa85e7fecee979d09bf95672c5f]\n * h2h3 [accept: /]\n * h2h3 [authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=]\n * h2h3 [user-agent: Symfony HttpClient (Curl)]\n * h2h3 [accept-encoding: gzip]\n * h2h3 [content-length: 2248]\n * Using Stream ID: 3 (easy handle 0x574a05072680)\n > POST /esConnectMetaB2/V1/Meta/Search HTTP/2\r\n Host: app.eurosoft.net\r\n content-type: application/json\r\n es-sessionid: f65b3fa85e7fecee979d09bf95672c5f\r\n accept: /\r\n authorization: Basic SGF1cHRWZXJsYWcwMTpZMChyJEYvaWFkYTY=\r\n user-agent: Symfony HttpClient (Curl)\r\n accept-encoding: gzip\r\n content-length: 2248\r\n \r\n * We are completely uploaded and fine\n < HTTP/2 200 \r\n < cache-control: no-cache\r\n < pragma: no-cache\r\n < content-length: 30794\r\n < content-type: application/json; 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In dieser Arbeit wurde daher ein Ansatz zur Formalisierung von Anforderungen entwickelt, der sich dadurch auszeichnet, dass er einerseits informell formulierte Anforderungen schrittweise in eine formalere Form bringt (so dass Anforderungen präziser formuliert sind und Konsistenzsicherung und Vervollständigung leichter ausgeführt werden können) und andererseits die Verständlichkeit der Anforderungen erhält (so dass die Anforderungen weiterhin von informell denkenden Stakeholder verstanden und validiert werden können). Dazu wurde für eine geeignete Teilmenge der Anforderungen für in Fahrzeuge eingebettete Softwaresysteme (nämlich funktionale Nutzeranforderungen) das zugrundeliegende Denkmodell identifiziert und formal definiert, dann eine für die im Requirements Engineering anfallenden Aufgaben geeignete semiformale Darstellungsform des Modells definiert und die Anforderungen entsprechend modelliert. Auf der Grundlage des formalen Modells und der für das Anforderungsmanagement zugeschnittenen semiformalen Darstellungsform konnte eine pragmatische und wirkungsvolle Formalisierungsmethodik für funktionale Nutzeranforderungen erarbeitet werden. Dieses Vorgehen wurde zusammen mit führenden deutschen Automobilherstellern und -zulieferern entwickelt und an einer Fallstudie aus dem Automobilbereich erprobt." ] [ "$type" => "eurosoft.esMetaCatalog.esMetaData.esMetaText, eurosoft.esMetaCatalog.esMetaData" "TextType" => 14 "Text" => "Doktorarbeit / Dissertation aus dem Jahr 2008 im Fachbereich Informatik - Angewandte Informatik, Note: Magna Cum Laude, Technische Universität München (Fakultät für Informatik), Sprache: Deutsch, Abstract: Anforderungen sind ein zentrales Arbeitsprodukt im Entwicklungsprozess, mit dem Stakeholder mit sehr unterschiedlichen Bedürfnissen arbeiten müssen. Hierbei kann man vereinfachend unterscheiden zwischen eher informell denkenden und arbeitenden Stakeholdern (beispielsweise Kunden, Marketing, Schulungspersonal), die Anforderungen meist natürlichsprachig formulieren, weil dies die gemeinsame Sprache ist, die alle beteiligten Stakeholder gleichermaßen souverän verstehen und benutzen können, und eher formal geschulten und arbeitenden Stakeholdern, die Anforderungen gerne in einer formal modellierten Form bekommen würden, die sich möglichst nahtlos in ihre Design- oder Testmodelle übertragen lässt. In der Praxis ist es schwer, eine Darstellungsform für Anforderungen zu finden, die den Bedürfnissen beider Gruppen gleichermaßen gerecht wird: Entweder werden Anforderungen informell notiert, sind dadurch inhärent missverständlich, eine systematische Qualitätssicherung ist schwierig und der Übergang zum Design fehleranfällig; oder die Anforderungen werden formal notiert, wodurch eine Validierung durch viele Stakeholder unmöglich wird. 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Auf der Grundlage des formalen Modells und der für das Anforderungsmanagement zugeschnittenen semiformalen Darstellungsform konnte eine pragmatische und wirkungsvolle Formalisierungsmethodik für funktionale Nutzeranforderungen erarbeitet werden. 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