{"id":556734,"date":"2022-03-08T18:26:31","date_gmt":"2022-03-08T10:26:31","guid":{"rendered":"http:\/\/4563.org\/?p=556734"},"modified":"2022-03-08T18:26:31","modified_gmt":"2022-03-08T10:26:31","slug":"%e8%af%b7%e6%95%99%e5%85%b3%e4%ba%8e%e7%b1%bb%e5%8a%a0%e8%bd%bd%e5%99%a8%e6%8a%a5-noclassdeffounderror-%e9%94%99%e8%af%af%e7%9a%84%e5%87%a0%e7%82%b9%e7%96%91%e9%97%ae%e9%99%84%e8%af%a6%e7%bb%86","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=556734","title":{"rendered":"\u8bf7\u6559\u5173\u4e8e\u7c7b\u52a0\u8f7d\u5668\u62a5 NoClassDefFoundError \u9519\u8bef\u7684\u51e0\u70b9\u7591\u95ee(\u9644\u8be6\u7ec6\u4ee3\u7801)"},"content":{"rendered":"
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\u8bf7\u6559\u5173\u4e8e\u7c7b\u52a0\u8f7d\u5668\u62a5 NoClassDefFoundError \u9519\u8bef\u7684\u51e0\u70b9\u7591\u95ee(\u9644\u8be6\u7ec6\u4ee3\u7801)<\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c :linuxsteam<\/span><\/i>0<\/span><\/div>\n
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\u95ee\u9898\u4ee3\u7801<\/h4>\n
URL[] urls = new URL[6];urls[0] = '\/activation-1.1.1.jar'urls[1] = '\/animal-sniffer-annotations-1.14.jar'urls[2] = '\/annotations-16.0.2.jar'urls[3] = '\/antlr-runtime-3.4.jar'urls[4] = '\/asm-4.2.jar'urls[5] = '\/cglib-3.1.jar'URLClassLoader urlCLassLoader = new URLClassLoader(urls);try{    \/\/ \u5c06\u5168\u90e8\u5b58\u50a8\u5230 urlclassload \u91cc\u9762    for (String fullClassName : allFullClassNames)    {        if (!\"module-info\".equals(fullClassName))        {            Class<?> clazz = urlCLassLoader.loadClass(fullClassName);            System.out.println(fullClassName);        }    }}catch (Exception e){    e.printStackTrace();}<\/code><\/pre>\n
\u62a5\u9519\u524d\u7684\u65e5\u5fd7\u6253\u5370<\/h4>\n
https:\/\/paste.ubuntu.org.cn\/4545513<\/p>\n
net.sf.cglib.transform.AbstractClassTransformer<\/code> \u53cd\u7f16\u8bd1\u4ee3\u7801<\/h4>\n
\/\/\/\/ Source code recreated from a .class file by IntelliJ IDEA\/\/ (powered by FernFlower decompiler)\/\/package net.sf.cglib.transform;import org.objectweb.asm.ClassVisitor;public abstract class AbstractClassTransformer extends ClassTransformer {    protected AbstractClassTransformer() {        super(262144);    }    public void setTarget(ClassVisitor target) {        this.cv = target;    }}<\/code><\/pre>\n
AppClassLoader \u4e2d\u6ca1\u6709\u52a0\u8f7d asm-4.2.jar \u4e0e cglib-3.1.jar \u4e2d\u7684\u7c7b\uff0c\u5176\u4ed6\u7684\u90fd\u6709\u52a0\u8f7d\u8fc7\u4e86<\/h4>\n
\u4e0a\u8ff0 jar \u5305\u4e0b\u8f7d\u5730\u5740\uff08\u65e0\u9700\u4e0b\u8f7d\u5ba2\u6237\u7aef\uff09<\/h4>\n
https:\/\/www.123pan.com\/s\/dCH9-LYAAA \u63d0\u53d6\u7801:v2ex<\/p>\n
\u73b0\u5728\u9488\u5bf9\u4ee5\u4e0a\u4ee3\u7801\u5c0f\u5f1f\u6709\u51e0\u4e2a\u95ee\u9898\uff1a<\/h3>\n
\u5728Class<?> clazz = urlCLassLoader.loadClass(“net.sf.cglib.transform.AbstractClassTransformer”);<\/em>\u5c0f\u5f1f\u8fdb\u5165\u65ad\u70b9\u540e\u770b\u5230\u8fd9\u884c\u6267\u884c\u4f1a\u62a5\u9519 java.lang.NoClassDefFoundError: org\/apache\/tools\/ant\/Task<\/p>\n
\u8fd9\u4e2a NoClassDefFoundError \u62a5\u9519\u7684\u95ee\u9898\uff0c\u6211\u5728<\u6df1\u5165\u7406\u89e3 Java \u865a\u62df\u673a\uff1aJVM \u9ad8\u7ea7\u7279\u6027\u4e0e\u6700\u4f73\u5b9e\u8df5\uff08\u7b2c 3 \u7248\uff09\u5468\u5fd7\u660e>\u4e2d\u627e\u5230\u4e86\u539f\u56e0 \u5927\u6982\u662f \u7c7b\u52a0\u8f7d\u8fc7\u7a0b\u89e3\u6790\u6b65\u9aa4 \u51fa\u73b0\u4e86 \u7b26\u53f7\u5f15\u7528\u8f6c\u4e3a\u76f4\u63a5\u5f15\u7528\u627e\u4e0d\u5230\u7684\u95ee\u9898<\/strong><\/p>\n
\u4f46\u662f\u8fd8\u662f\u6709\u4ee5\u4e0b\u7591\u95ee<\/p>\n
org\/apache\/tools\/ant\/Task \u5728\u7c7b net.sf.cglib.transform.AbstractClassTransformer \u4e2d\u6ca1\u6709\u770b\u5230\u4efb\u4f55\u7b26\u53f7\u5f15\u7528\uff0c\u4e0d\u77e5\u9053\u4e3a\u4f55\u4f1a\u627e\u8fd9\u4e2a\u7c7b\u5047\u8bbe\uff1aasm-4.2.jar \u5f15\u7528\u4e86 cglib-3.1.jar \u4e2d\u7684\u7c7b\uff0c\u90a3\u4e48\u662f\u4e0d\u662f\u5728\u52a0\u8f7d asm-4.2.jar \u6240\u6709\u7c7b\u7684\u65f6\u5019\u5c31\u4f1a\u62a5\u9519 NoClassDefFoundError \uff1f<\/p><\/div>\n
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\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>)        <\/div>\n
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