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Apache Storm - 风暴启动器上的ClassNotFoundException(Apache Storm - ClassNotFoundException on storm-starter)

我试图让风暴起动器工作。 我尝试了邮件列表,这似乎没有获得牵引力。 当我运行以下内容时:

$ mvn compile exec:java -Dstorm.topology=storm.starter.ExclamationTopology

我收到一个错误

Error on initialization of server mk-worker
java.lang.RuntimeException: java.lang.ClassNotFoundException: backtype.storm.testing.TestWordSpout

我不是一个java开发人员,所以我不确定导入应该如何工作。 我确实看到了storm-core/src/jvm/backtype/storm/testing/TestWordSpout.java

当我找到任何jar文件时,我看到:

./target/original-storm-starter-0.11.0-SNAPSHOT.jar
./target/storm-starter-0.11.0-SNAPSHOT.jar

当我检查那些jar文件时, TestWordSpout不在那里。 我按照上面链接的文档从./examples/storm-starter运行我的命令。

据我所知,我完全按照教程。 OSX El Capitan 10.11.2,Java 1.8.0,Storm 0.9.5,Maven 3.3.3。 任何帮助都会很棒。 我很高兴能够开始:)


I’m trying to get the storm-starter to work. I tried the mailing list, and that does not seem to be gaining traction. When I run the following:

$ mvn compile exec:java -Dstorm.topology=storm.starter.ExclamationTopology

I get an error:

Error on initialization of server mk-worker
java.lang.RuntimeException: java.lang.ClassNotFoundException: backtype.storm.testing.TestWordSpout

I’m not a java developer, so I’m not sure exactly how imports are supposed to work. I do see storm-core/src/jvm/backtype/storm/testing/TestWordSpout.java.

When I find any jar files, I see:

./target/original-storm-starter-0.11.0-SNAPSHOT.jar
./target/storm-starter-0.11.0-SNAPSHOT.jar

When I inspect those jar files, TestWordSpout is not there. I am running my commands from ./examples/storm-starter as per the documentation linked above.

To the best of my knowledge, I've followed the tutorial exactly. OSX El Capitan 10.11.2, Java 1.8.0, Storm 0.9.5., Maven 3.3.3. Any help would be great; I’d enjoy being able to get started :)


原文:https://stackoverflow.com/questions/34467446
更新时间:2023-04-25 20:04

最满意答案

使用System.Net.WebClient.DownloadFile

Dim remoteUri As String = "http://belajar123.com/materi.zip"
Dim fileName As String = "materi.zip"
Dim pasword As String = "..."
Dim username As String = "..."

Using (var client = new WebClient())

    client.Credentials = New NetworkCredential(username, password)
    client.DownloadFile(remoteUri, fileName)
End Using

Use System.Net.WebClient.DownloadFile

Dim remoteUri As String = "http://belajar123.com/materi.zip"
Dim fileName As String = "materi.zip"
Dim password As String = "..."
Dim username As String = "..."

Using client as new WebClient()

    client.Credentials = New NetworkCredential(username, password)
    client.DownloadFile(remoteUri, fileName)
End Using

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