我想在arangoDB中使用分片.我已经制作了协调员,DBServers,如文档2.8.5所述.但仍然可以有人仍然详细解释它,以及如何在分片之前和之前检查我的查询的性能.
当我启动 Wildfly 服务器时,出现此错误,最终导致我的服务器无法运行。安装服务器时我缺少什么?
我有一个名为的集合docCollection,我想执行正常的AQL查询,例如:
FOR id IN docCollection FILTER id.center == "Germany" RETURN id
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我试图使用这里所述的例子:
https://docs.arangodb.com/cookbook/JavaDriverXmlData.html
但它对我没有用,它告诉我
线程"main"java.lang.NullPointerException中的异常
我有一个字符串格式的令牌,例如:
eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.K52jFwAQJH-DxMhtaq7sg5tMuot_mT5dm1DR_01wj6ZUQQhJFO02vPI44W5nDjC5C_v4pW1UiJa3cwb5y2Rd9kSvb0ZxAqGX9c4Z4zouRU57729ML3V05UArUhck9ZvssfkDW1VclingL8LfagRUs2z95UkwhiZyaKpmrgqpKX8azQFGNLBvEjXnxxoDFZIYwHOno290HOpig3aUsDxhsioweiXbeLXxLeRsivaLwUWRUZfHRC_HGAo8KSF4gQZmeJtRgai5mz6qgbVkg7jPQyZFtM5_ul0UKHE2y0AtWm8IzDE_rbAV14OCRZJ6n38X5urVFFE5sdphdGsNlA.gjI_RIFWZXJwaO9R.oaE5a-z0N1MW9FBkhKeKeFa5e7hxVXOuANZsNmBYYT8G_xlXkMD0nz4fIaGtuWd3t9Xp-kufvvfD-xOnAs2SBX_Y1kYGPto4mibBjIrXQEjDsKyKwndxzrutN9csmFwqWhx1sLHMpJkgsnfLTi9yWBPKH5Krx23IhoDGoSfqOquuhxn0y0WkuqH1R3z-fluUs6sxx9qx6NFVS1NRQ-LVn9sWT5yx8m9AQ_ng8MBWz2BfBTV0tjliV74ogNDikNXTAkD9rsWFV0IX4IpA.sOLijuVySaKI-FYUaBywpg
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现在我想通过一些 java 库解密这个 String 并最终想要访问有效负载。到目前为止有人这样做过吗?
{
"batters":
{
"batter":[
{ "id": "1001", "type": "Regular" },
{ "id": "1002", "type": "Chocolate" },
{ "id": "1003", "type": "Blueberry" },
{ "id": "1004", "type": "Devil's Food" }
]
},
"topping":[
{ "id": "5001", "type": "None" },
{ "id": "5002", "type": "Glazed" },
{ "id": "5005", "type": "Sugar" },
{ "id": "5007", "type": "Powdered Sugar" },
{ "id": "5006", "type": "Chocolate with Sprinkles" },
{ "id": "5003", "type": "Chocolate" },
{ "id": "5004", "type": "Maple" }
]
}
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基本上要在这里进行全文搜索,我需要对"batters.batter"以及"batters.topping"进行索引,即两个属性.如何处理这种全文搜索.请解释一下该方法,我将通过REST …
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