调用通过ByteBuddy检测的java代理时出现异常

调用通过ByteBuddy检测的java代理时出现异常,java,instrumentation,byte-buddy,Java,Instrumentation,Byte Buddy,我正在尝试重新创建Will中描述的行为,但在尝试通过运行时出现以下异常: $ java -javaagent:agent/target/securityfixer-agent-1.0-SNAPSHOT.jar=bootstrap/target/securityfixer-bootstrap-1.0-SNAPSHOT.jar -jar example/target/securi tyfixer-example-1.0-SNAPSHOT.jar

我正在尝试重新创建Will中描述的行为,但在尝试通过运行时出现以下异常:

$ java -javaagent:agent/target/securityfixer-agent-1.0-SNAPSHOT.jar=bootstrap/target/securityfixer-bootstrap-1.0-SNAPSHOT.jar -jar example/target/securi 
tyfixer-example-1.0-SNAPSHOT.jar                                                                                                                           
Exception in thread "main" java.lang.NoClassDefFoundError: net/bytebuddy/implementation/Implementation$Context$Factory                                     
        at java.lang.Class.getDeclaredMethods0(Native Method)                                                                                             
        at java.lang.Class.privateGetDeclaredMethods(Unknown Source)                                                                                       
        at java.lang.Class.getDeclaredMethod(Unknown Source)                                                                                               
        at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(Unknown Source)                                                                       
        at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown Source)                                                                     
Caused by: java.lang.ClassNotFoundException: net.bytebuddy.implementation.Implementation$Context$Factory                                                   
        at java.net.URLClassLoader.findClass(Unknown Source)                                                                                               
        at java.lang.ClassLoader.loadClass(Unknown Source)                                                                                                 
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)                                                                                     
        at java.lang.ClassLoader.loadClass(Unknown Source)                                                                                                 
        ... 5 more                                                                                                                                         
FATAL ERROR in native method: processing of -javaagent failed 
正如Will的博客中所描述的那样-3个独立的JAR,一个带有代理,一个带有拦截器,一个带有主类

我还尝试将mainClass节添加到securityfixer示例的清单中,将其作为可执行jar运行,但这似乎完全绕过了检测:

$ java -jar example/target/securityfixer-example-1.0-SNAPSHOT.jar -javaagent:agent/target/securityfixer-agent-1.0-SNAPSHOT.jar=bootstrap/target/securityfixer-bootstrap-1.0-SNAPSHOT.jar 
Security manager is set! 
ATTACK SUCCEEDED: Security manager was reset! 

我会错过什么?提前谢谢

以下设置似乎正在运行:

byte-buddy-1.0.0.jar
必须与generated
securityfixer-agent-1.0-SNAPSHOT.jar一起位于
java代理实验\securityfixer\agent\target
中,因为后者取决于前者。这是通过在
securityfixer agent/pom.xml
中包含以下执行复制的插件来实现的:

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.8</version>
                <executions>
                    <execution>
                        <id>copy-dependencies</id>
                        <phase>prepare-package</phase>
                        <goals>
                            <goal>copy-dependencies</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${project.build.directory}</outputDirectory>
                            <includeScope>runtime</includeScope>
                        </configuration>
                    </execution>
                </executions>
            </plugin>


请随意评论——也许有一个更优雅的解决方案。谢谢

仅供参考,请确保使用Byte Buddy 1.4.1或更早版本。从1.4.2开始,它不再工作。。。还在追查原因!
        <plugin>
            <artifactId>maven-jar-plugin</artifactId>
            <version>2.4</version>
            <configuration>
                <archive>
                    <manifestEntries>
                        <Can-Redefine-Classes>true</Can-Redefine-Classes>
                        <Can-Retransform-Classes>true</Can-Retransform-Classes>
                        <Agent-Class>com.excelsiorsoft.securityfixer.agent.SecurityFixerAgent</Agent-Class>
                        <Premain-Class>com.excelsiorsoft.securityfixer.agent.SecurityFixerAgent</Premain-Class>
                        <Boot-Class-Path>byte-buddy-1.0.0.jar</Boot-Class-Path>
                    </manifestEntries>
                </archive>
            </configuration>
        </plugin>
        <plugin>
            <artifactId>maven-jar-plugin</artifactId>
            <version>2.4</version>
            <configuration>
                <archive>
                    <manifest>
                        <mainClass>securityfixer.Main</mainClass>
                    </manifest>
                </archive>
            </configuration>
        </plugin>
$ java -javaagent:agent/target/securityfixer-agent-1.0-SNAPSHOT.jar=bootstrap/target/securityfixer-bootstrap-1.0-SNAPSHOT.jar -jar example/target/securit yfixer-example-1.0-SNAPSHOT.jar


Security manager is set!    
ATTACK FAILED: SecurityManager cannot be reset!