/*@jsxRuntime automatic @jsxImportSource react*/
const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0];
function _createMdxContent(props) {
  const _components = Object.assign({
    p: "p",
    h2: "h2",
    a: "a",
    code: "code",
    pre: "pre",
    span: "span",
    em: "em",
    ul: "ul",
    li: "li"
  }, props.components), {Link} = _components;
  if (!Link) _missingMdxReference("Link", true);
  return _jsxs(_Fragment, {
    children: [_jsx(_components.p, {
      children: "We have just re­leased Vert.x 3.7.1, a bug fix re­lease of Vert.x 3.7.x and a few small fea­tures."
    }), "\n", _jsx(_components.p, {
      children: "Since the re­lease of Vert.x 3.7.0, quite a few bugs have been re­ported. We would like to thank you all for re­port­ing these is­sues."
    }), "\n", _jsx(_components.p, {
      children: "In ad­di­tion of bug fixes, this re­lease pre­pares the ground for Vert.x 4 with a few en­hance­ments and dep­re­ca­tions."
    }), "\n", _jsxs(_components.h2, {
      id: "http-client-unix-domain-sockets",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#http-client-unix-domain-sockets"
      }), "HTTP client Unix Domain Sockets"]
    }), "\n", _jsxs(_components.p, {
      children: ["Since this re­lease the ", _jsx(_components.code, {
        children: "HttpClient"
      }), " sup­ports ", _jsx(_components.a, {
        href: "https://en.wikipedia.org/wiki/Unix_domain_socket",
        children: "Unix Do­main Sock­ets"
      }), " when using\nNetty’s na­tive trans­ports, which can be re­ally use­ful if you need to con­nect to a local dae­mon such as Docker’s Dae­mon:"]
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "HttpClient"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "httpClient"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " vertx.createHttpClient();\n\n", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// Only available on BSD and Linux with native transport"
        }), "\n", _jsx(_components.span, {
          className: "hljs-type",
          children: "SocketAddress"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "addr"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " SocketAddress.domainSocketAddress(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/var/tmp/myservice.sock\""
        }), ");\n\n", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// Send request to the server"
        }), "\nhttpClient.request(HttpMethod.GET, addr, ", _jsx(_components.span, {
          className: "hljs-number",
          children: "8080"
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"localhost\""
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/\""
        }), ", resp -> {\n  ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// Process response"
        }), "\n}).end();\n"]
      })
    }), "\n", _jsxs(_components.h2, {
      id: "http-client-websocket-connect-revisited",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#http-client-websocket-connect-revisited"
      }), "HTTP client WebSocket connect revisited"]
    }), "\n", _jsxs(_components.p, {
      children: ["The ", _jsx(_components.code, {
        children: "HttpClient"
      }), " Web­Socket meth­ods have been re­vis­ited, in­deed these meth­ods were lack­ing of us­abil­ity in gen­eral or\nwith vertx-​rx due to the op­tional error han­dling:"]
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "HttpClient"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "client"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " vertx.createHttpClient();\nclient.websocket(", _jsx(_components.span, {
          className: "hljs-number",
          children: "80"
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"example.com\""
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/\""
        }), ", websocket -> {\n  ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// connected"
        }), "\n});\n\n", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// or"
        }), "\n\nclient.websocket(", _jsx(_components.span, {
          className: "hljs-number",
          children: "80"
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"example.com\""
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/\""
        }), ", websocket -> {\n  ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// connected"
        }), "\n}, err -> {\n  ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// handle error"
        }), "\n});\n\n"]
      })
    }), "\n", _jsxs(_components.p, {
      children: ["The new ", _jsx(_components.code, {
        children: "webSocket"
      }), " method pro­vides now the best de­vel­oper ex­pe­ri­ence for con­nect­ing a Web­Socket:"]
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "HttpClient"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "client"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " vertx.createHttpClient();\nclient.webSocket(", _jsx(_components.span, {
          className: "hljs-number",
          children: "80"
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"example.com\""
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/\""
        }), ", ar -> {\n  ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "if"
        }), " (ar.succeeded()) {\n    ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// connected"
        }), "\n  } ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "else"
        }), " {\n    ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// handler error"
        }), "\n  }\n});\n"]
      })
    }), "\n", _jsx(_components.p, {
      children: "With Rx­Java2, you can use now:"
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "HttpClient"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "client"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " vertx.createHttpClient();\nSingle<WebSocket> single = client.rxWebSocket(", _jsx(_components.span, {
          className: "hljs-number",
          children: "80"
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"example.com\""
        }), ", ", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/\""
        }), ");\nsingle.subscribe(\n  ws -> {\n    ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// connected"
        }), "\n  },\n  err -> {\n    ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// handle error"
        }), "\n  });\n"]
      })
    }), "\n", _jsxs(_components.h2, {
      id: "vertx-rx-usability-improvements",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#vertx-rx-usability-improvements"
      }), "Vert.x Rx usability improvements"]
    }), "\n", _jsxs(_components.p, {
      children: ["As you may know, the ", _jsx(Link, {
        href: "/docs/vertx-rx/java2/#_rxified_api",
        passHref: true,
        children: _jsxs(_components.a, {
          href: "",
          children: ["Vert.x ", _jsx(_components.em, {
            children: "Rx­i­fied"
          }), " API"]
        })
      }), " is gen­er­ated from the bare Vert.x API."]
    }), "\n", _jsxs(_components.p, {
      children: ["In this re­lease, ", _jsx(_components.code, {
        children: "vertx-codegen"
      }), " has been im­proved to de­ter­mine if an API ob­ject is an ", _jsx(_components.code, {
        children: "Iterable"
      }), ", ", _jsx(_components.code, {
        children: "Iterator"
      }), ", or ", _jsx(_components.code, {
        children: "Function"
      }), ".\nThen its ", _jsx(_components.em, {
        children: "Rx­i­fied"
      }), " equiv­a­lent will be an ", _jsx(_components.code, {
        children: "Iterable"
      }), ", ", _jsx(_components.code, {
        children: "Iterator"
      }), ", or ", _jsx(_components.code, {
        children: "Function"
      }), " too."]
    }), "\n", _jsxs(_components.p, {
      children: ["Let’s take an ex­am­ple.\nThe Vert.x ", _jsx(_components.code, {
        children: "MultiMap"
      }), " class rep­re­sents a multi-​map of ", _jsx(_components.code, {
        children: "String"
      }), " keys to a list of ", _jsx(_components.code, {
        children: "String"
      }), " val­ues.\nIt’s use­ful to rep­re­sent things like HTTP head­ers and pa­ra­me­ters which allow mul­ti­ple val­ues for keys."]
    }), "\n", _jsxs(_components.p, {
      children: ["Since the bare ", _jsx(_components.code, {
        children: "io.vertx.core.MultiMap"
      }), " im­ple­ments ", _jsx(_components.code, {
        children: "Iterable<Map.Entry<String, String>>"
      }), ", you can it­er­ate through the con­tent with a ", _jsx(_components.code, {
        children: "for-each"
      }), " loop.\nStart­ing with 3.7.1, the same is pos­si­ble with the ", _jsx(_components.em, {
        children: "Rx­i­fied"
      }), " ver­sion:"]
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: ["io.vertx.reactivex.core.", _jsx(_components.span, {
          className: "hljs-type",
          children: "MultiMap"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "headers"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " request.headers();\n", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "for"
        }), " (Entry<String, String> header : headers) {\n  ", _jsx(_components.span, {
          className: "hljs-comment",
          children: "// inspect header  "
        }), "\n}\n"]
      })
    }), "\n", _jsx(_components.p, {
      children: "Or, for ad­vanced trans­for­ma­tions:"
    }), "\n", _jsx(_components.pre, {
      children: _jsx(_components.code, {
        className: "hljs language-java",
        children: "Flowable<Entry<String, String>> headers = Flowable.fromIterable(request.headers());\n"
      })
    }), "\n", _jsxs(_components.h2, {
      id: "graphiql-ide",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#graphiql-ide"
      }), "GraphiQL IDE"]
    }), "\n", _jsxs(_components.p, {
      children: ["Vert.x 3.7.0 added sup­port for build­ing ", _jsx(Link, {
        href: "/docs/vertx-web-graphql/java/",
        passHref: true,
        children: _jsx(_components.a, {
          href: "",
          children: "GraphQL servers"
        })
      }), " with Vert.x Web and ", _jsx(_components.a, {
        href: "http://graphql-java.com/",
        children: "GraphQL-​Java"
      }), "."]
    }), "\n", _jsx(_components.p, {
      children: "In 3.7.1, the GraphQL han­dler can be con­fig­ured to ex­pose the GraphiQL IDE:"
    }), "\n", _jsx(_components.pre, {
      children: _jsxs(_components.code, {
        className: "hljs language-java",
        children: [_jsx(_components.span, {
          className: "hljs-type",
          children: "GraphQLHandlerOptions"
        }), " ", _jsx(_components.span, {
          className: "hljs-variable",
          children: "options"
        }), " ", _jsx(_components.span, {
          className: "hljs-operator",
          children: "="
        }), " ", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "new"
        }), " ", _jsx(_components.span, {
          className: "hljs-title class_",
          children: "GraphQLHandlerOptions"
        }), "()\n  .setGraphiQLOptions(", _jsx(_components.span, {
          className: "hljs-keyword",
          children: "new"
        }), " ", _jsx(_components.span, {
          className: "hljs-title class_",
          children: "GraphiQLOptions"
        }), "()\n    .setEnabled(", _jsx(_components.span, {
          className: "hljs-literal",
          children: "true"
        }), ")\n  );\n\nrouter.route(", _jsx(_components.span, {
          className: "hljs-string",
          children: "\"/graphql\""
        }), ").handler(GraphQLHandler.create(graphQL, options));\n"]
      })
    }), "\n", _jsxs(_components.h2, {
      id: "vertx-380-is-the-next-release",
      children: [_jsx(_components.a, {
        "aria-hidden": true,
        tabIndex: "-1",
        className: "heading-anchor",
        href: "#vertx-380-is-the-next-release"
      }), "Vert.x 3.8.0 is the next release"]
    }), "\n", _jsx(_components.p, {
      children: "The next ver­sion of Vert.x will be 3.8 and tar­gets end of June / early July with the fol­low­ing themes:"
    }), "\n", _jsxs(_components.ul, {
      children: ["\n", _jsxs(_components.li, {
        children: ["In­tro­duc­ing a Promise in­ter­face to be used in­stead of Fu­ture in a cou­ple of places of the code­base such as ", _jsx(_components.code, {
          children: "Verticle"
        }), " start or\n", _jsx(_components.code, {
          children: "executeBlocking"
        }), ". The goal is to move the com­ple­tion part in Vert.x 4 from ", _jsx(_components.code, {
          children: "Future"
        }), " to ", _jsx(_components.code, {
          children: "Promise"
        }), " which be­comes the ob­ject to be\ncom­pleted and ", _jsx(_components.code, {
          children: "Future"
        }), " is a view that is con­sumed by clients"]
      }), "\n", _jsx(_components.li, {
        children: "Json Pointer sup­port"
      }), "\n", _jsx(_components.li, {
        children: "The new SQL client will be re­leased as tech pre­view (until v4)"
      }), "\n", _jsx(_components.li, {
        children: "Re­dis­Pool as tech pre­view (until v4) bring back con­nec­tion man­age­ment, lazy re­con­nect and scal­ing to all client modes (Sin­gle, Sen­tinel and Clus­ter)"
      }), "\n"]
    }), "\n", _jsx(_components.p, {
      children: "Vert.x 3.7.1 re­lease notes"
    }), "\n", _jsxs(_components.ul, {
      children: ["\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "https://github.com/vert-x3/wiki/wiki/3.7.1-Release-Notes",
          children: "https://github.com/vert-​x3/wiki/wiki/3.7.1-​Release-Notes"
        })
      }), "\n"]
    }), "\n", _jsx(_components.p, {
      children: "Vert.x 3.7.1 dep­re­ca­tions and break­ing changes"
    }), "\n", _jsx(_components.p, {
      children: _jsx(_components.a, {
        href: "https://github.com/vert-x3/wiki/wiki/3.7.1-Deprecations-and-breaking-changes",
        children: "https://github.com/vert-​x3/wiki/wiki/3.7.1-​Deprecations-and-breaking-changes"
      })
    }), "\n", _jsx(_components.p, {
      children: "The event bus client using the SockJS bridge are avail­able from NPM, Bower and as a We­b­Jar:"
    }), "\n", _jsxs(_components.ul, {
      children: ["\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "https://www.npmjs.com/package/vertx3-eventbus-client",
          children: "https://www.npmjs.com/pack­age/vertx3-​eventbus-client"
        })
      }), "\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "https://github.com/vert-x3/vertx-bus-bower",
          children: "https://github.com/vert-​x3/vertx-​bus-bower"
        })
      }), "\n", _jsx(_components.li, {
        children: _jsx(_components.a, {
          href: "http://www.webjars.org/",
          children: "http://www.we­b­jars.org/"
        })
      }), "\n"]
    }), "\n", _jsxs(_components.p, {
      children: ["Docker im­ages are also avail­able on the ", _jsx(_components.a, {
        href: "https://hub.docker.com/u/vertx/",
        children: "Docker Hub"
      }), ". The Vert.x dis­tri­b­u­tion is also avail­able from ", _jsx(_components.a, {
        href: "http://sdkman.io/index.html",
        children: "SD­KMan"
      }), " and ", _jsx(_components.a, {
        href: "http://brew.sh/",
        children: "Home­Brew"
      }), "."]
    }), "\n", _jsxs(_components.p, {
      children: ["The ar­ti­facts have been de­ployed to ", _jsx(_components.a, {
        href: "http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22io.vertx%22%20AND%20v%3A%223.6.3%22",
        children: "Maven Cen­tral"
      }), " and you can get the dis­tri­b­u­tion on ", _jsx(_components.a, {
        href: "https://bintray.com/vertx/downloads/distribution/3.7.1/view",
        children: "Bin­tray"
      }), "."]
    }), "\n", _jsxs(_components.p, {
      children: ["Happy cod­ing and see you soon on our user or dev ", _jsx(Link, {
        href: "/community",
        passHref: true,
        children: _jsx(_components.a, {
          href: "",
          children: "chan­nels"
        })
      }), "."]
    })]
  });
}
function MDXContent(props = {}) {
  const {wrapper: MDXLayout} = props.components || ({});
  return MDXLayout ? _jsx(MDXLayout, Object.assign({}, props, {
    children: _jsx(_createMdxContent, props)
  })) : _createMdxContent(props);
}
return {
  default: MDXContent
};
function _missingMdxReference(id, component) {
  throw new Error("Expected " + (component ? "component" : "object") + " `" + id + "` to be defined: you likely forgot to import, pass, or provide it.");
}


Blog

Eclipse Vert.x 3.7.1

Next post

VS Code Vert.x Starter Extension

Previous post

Eclipse Vert.x 3.7.0 released!

Blog

Eclipse Vert.x 3.7.1

Next post

VS Code Vert.x Starter Extension

Previous post

Eclipse Vert.x 3.7.0 released!

Related posts

Building services and APIs with AMQP 1.0

Things to keep in mind concerning CSRF attacks

Real-time bidding with Websockets and Vert.x