首页 \ 问答 \ UnsupportedClassVersionError-AMQPSpout：风暴拓扑未运行(UnsupportedClassVersionError-AMQPSpout: storm topology not running)

UnsupportedClassVersionError-AMQPSpout：风暴拓扑未运行(UnsupportedClassVersionError-AMQPSpout: storm topology not running)

 在尝试提交风暴拓扑时， 
 

./storm jar /home/winoria1/Desktop/stormtopology.jar com.storm.StormTopology 

 

 我得到以下错误 - 
 

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/rapportive/storm/spout/AMQPSpout : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at com.winoria.frequest.SuggestionTopology.main(SuggestionTopology.java:28)

 

 我的java版本是 
 

 winoria1 @ winoria：〜$ java -version 
 

java version "1.6.0_27"
OpenJDK Runtime Environment (IcedTea6 1.12.6) (6b27-1.12.6-1ubuntu0.12.04.4)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)

 

 winoria1 @ winoria：〜$ javac -version 
 

javac 1.6.0_27
winoria1@winoria:~$ 

 

 请帮助我..... 

While trying to submit a storm topology ,
 

./storm jar /home/winoria1/Desktop/stormtopology.jar com.storm.StormTopology 

 

I am getting following error-
 

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/rapportive/storm/spout/AMQPSpout : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at com.winoria.frequest.SuggestionTopology.main(SuggestionTopology.java:28)

 

my java version is
 

winoria1@winoria:~$ java -version
 

java version "1.6.0_27"
OpenJDK Runtime Environment (IcedTea6 1.12.6) (6b27-1.12.6-1ubuntu0.12.04.4)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)

 

winoria1@winoria:~$ javac -version
 

javac 1.6.0_27
winoria1@winoria:~$ 

 

any one help me please.....

原文：
更新时间：2022-12-18 22:12

最满意答案

 您可以查看Github上的源代码： XmlReader.cs 。 
 

 如下所示，这些方法具有不同的行为： 
 

// Checks that the current node is an element and advances the reader to the next node.
public virtual void ReadStartElement() {
    if (MoveToContent() != XmlNodeType.Element) {
        throw new XmlException(Res.Xml_InvalidNodeType, this.NodeType.ToString(), this as IXmlLineInfo);
    }
    Read();
}

// Checks whether the current node is a content (non-whitespace text, CDATA, Element, EndElement, EntityReference
// or EndEntity) node. If the node is not a content node, then the method skips ahead to the next content node or 
// end of file. Skips over nodes of type ProcessingInstruction, DocumentType, Comment, Whitespace and SignificantWhitespace.
public virtual  XmlNodeType  MoveToContent() {
    do {
        switch (this.NodeType) {
            case XmlNodeType.Attribute:
                MoveToElement();
                goto case XmlNodeType.Element;
            case XmlNodeType.Element:
            case XmlNodeType.EndElement:
            case XmlNodeType.CDATA:
            case XmlNodeType.Text:
            case XmlNodeType.EntityReference:
            case XmlNodeType.EndEntity:
                return this.NodeType;
        }
    } while (Read());
    return this.NodeType;
}

 

 所以ReadStartElement方法调用MoveToContent可以进行多次Read调用以查找内容节点。 在此之后， ReadStartElement将读取当前的起始元素。 

You can check at the source code on Github: XmlReader.cs.
 

As you can see below, the methods have not the same behavior:
 

// Checks that the current node is an element and advances the reader to the next node.
public virtual void ReadStartElement() {
    if (MoveToContent() != XmlNodeType.Element) {
        throw new XmlException(Res.Xml_InvalidNodeType, this.NodeType.ToString(), this as IXmlLineInfo);
    }
    Read();
}

// Checks whether the current node is a content (non-whitespace text, CDATA, Element, EndElement, EntityReference
// or EndEntity) node. If the node is not a content node, then the method skips ahead to the next content node or 
// end of file. Skips over nodes of type ProcessingInstruction, DocumentType, Comment, Whitespace and SignificantWhitespace.
public virtual  XmlNodeType  MoveToContent() {
    do {
        switch (this.NodeType) {
            case XmlNodeType.Attribute:
                MoveToElement();
                goto case XmlNodeType.Element;
            case XmlNodeType.Element:
            case XmlNodeType.EndElement:
            case XmlNodeType.CDATA:
            case XmlNodeType.Text:
            case XmlNodeType.EntityReference:
            case XmlNodeType.EndEntity:
                return this.NodeType;
        }
    } while (Read());
    return this.NodeType;
}

 

So the ReadStartElement method, calls MoveToContent wich can make several Read calls in order to find a content node. After this, ReadStartElement reads the current starting element.

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