IBM - Bluemix - Node-red - 应用程序未运行，我无法添加分析服务

Question

我正在遵循下面给出的简单教程:收集和分析社交数据，而不编写一行代码

根据链接，应该添加节点红色的应用程序。但是在添加它之后，状态显示为"您的应用程序状态未知"。如果我忽略这个error并继续添加"IBM Analytics for Hadoop"-应用程序不会出现在选择中，即我也无法创建服务。

请告知……

Answer 1

满意，

从Node-RED Starter样板文件部署时似乎有一个问题。我只是尝试了一下，也失败了，当我检查日志时，我看到有一个错误，有人需要调查，所以我在几分钟前为此开了一张票。

无论如何，即使部署工作，你也无法完成教程:因为Romeo写了它，Hadoop的Analytics服务已经升级了。部分教程不再正确，最后我检查了在Bluemix上的node - red中的HDFS节点有问题，因为它无法再连接到Hadoop。

问候,哈拉尔德

Answer 2

Satish，
尝试使用Apache Hadoop服务的Analytics。HDFS节点的最新修复应该有所帮助。我附上Node-RED源代码供您参考。

[
{
    "id": "19e3fecb.c535b9",
    "type": "inject",
    "name": "",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "repeat": "",
    "crontab": "",
    "once": false,
    "x": 311,
    "y": 109,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "e260889a.2a8a3"
        ]
    ]
},
{
    "id": "997c2459.ada828",
    "type": "ibm hdfs",
    "name": "",
    "filename": "/welcome.txt",
    "appendNewline": false,
    "overwriteFile": true,
    "x": 660,
    "y": 112,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "e260889a.2a8a3",
    "type": "function",
    "name": "",
    "func": "msg.payload = {"d":{"voltage":240}};nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 464,
    "y": 122,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "997c2459.ada828"
        ]
    ]
},
{
    "id": "f18b36e9.11256",
    "type": "inject",
    "name": "",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "repeat": "",
    "crontab": "",
    "once": false,
    "x": 322,
    "y": 194.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "ea15a346.645838"
        ]
    ]
},
{
    "id": "3cf35d10.b5b02a",
    "type": "ibm hdfs in",
    "name": "",
    "filename": "/welcome.txt",
    "format": "utf8",
    "x": 670,
    "y": 205.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "8c4333f4.7545b"
        ]
    ]
},
{
    "id": "8c4333f4.7545b",
    "type": "debug",
    "name": "",
    "active": true,
    "console": "false",
    "complete": "payload",
    "x": 871,
    "y": 201.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "ea15a346.645838",
    "type": "function",
    "name": "",
    "func": "msg.filename = "/welcome.txt";nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 479,
    "y": 203.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "3cf35d10.b5b02a"
        ]
    ]
},
{
    "id": "1ba399e.a2a5ae6",
    "type": "inject",
    "name": "",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "repeat": "",
    "crontab": "",
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    "x": 326,
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},
{
    "id": "4d84ea75.52b5bc",
    "type": "function",
    "name": "",
    "func": "msg.delete = true;nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 500,
    "y": 373.00000762939453,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
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{
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    "overwriteFile": false,
    "x": 693,
    "y": 368.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "dd7bf27a.2a122",
    "type": "comment",
    "name": "Create",
    "info": "",
    "x": 171.00001525878906,
    "y": 108.99999237060547,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "e384dc30.7d9188",
    "type": "comment",
    "name": "Read",
    "info": "",
    "x": 177.00001525878906,
    "y": 196.99999237060547,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "c082c1.4e78054",
    "type": "comment",
    "name": "Delete",
    "info": "",
    "x": 171.00001525878906,
    "y": 365.9999771118164,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "fd160f73.d01508",
    "type": "inject",
    "name": "",
    "topic": "",
    "payload": "",
    "payloadType": "date",
    "repeat": "",
    "crontab": "",
    "once": false,
    "x": 319.00001525878906,
    "y": 280.00000762939453,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
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        ]
    ]
},
{
    "id": "3362cea6.d2a8a2",
    "type": "ibm hdfs",
    "name": "",
    "filename": "/welcome.txt",
    "appendNewline": true,
    "overwriteFile": false,
    "x": 668.0000152587891,
    "y": 283.00000762939453,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
},
{
    "id": "215a640f.5b3a64",
    "type": "function",
    "name": "",
    "func": "msg.payload = {"d":{"voltage":240}};nreturn msg;",
    "outputs": 1,
    "noerr": 0,
    "x": 472.00001525878906,
    "y": 293.00000762939453,
    "z": "d2f1fb2c.6dc9f",
    "wires": [
        [
            "3362cea6.d2a8a2"
        ]
    ]
},
{
    "id": "4ccf2efd.fa95e8",
    "type": "comment",
    "name": "Update",
    "info": "Update",
    "x": 179.00003051757812,
    "y": 280,
    "z": "d2f1fb2c.6dc9f",
    "wires": []
}]   

在部署流之前绑定/添加服务。

Thanks and Regards

Answer 3

满意，

对于您所看到的问题，似乎是添加/删除服务可能导致了问题。当服务发生变化时，bluemix-settings.js有时不能正确同步，你需要下载源代码，更新它并将应用程序推送回来。如果你刚刚开始创建应用程序，我建议从头开始删除样板文件，然后创建新的应用程序。这将清除任何问题。

下面是一个更简单的twitter数据分析示例，无需一行代码，除了创建node-RED样板文件时添加的服务之外，不需要添加任何服务:链接到Developer Works Article