我让 Byte Buddy 作为代理启动并运行,它成功拦截了我的绝大多数代码库,顺便说一句,这相当大!虽然有一些异常值我无法检测,但我在下面记录了这些异常值,希望您能知道答案!
1.CGLIB生成类
Spring 生成了一些与我的类同名但"$$EnhancerByCGLIB$$"
附加到末尾的附加类,这些会导致错误。我得到的错误是:
java.lang.IllegalStateException: Cannot resolve type description for com.mycompany.MySpringBean$$EnhancerByCGLIB$$ee9d3c37_2
at net.bytebuddy.pool.TypePool$Resolution$Illegal.resolve(TypePool.java:152)
at net.bytebuddy.pool.TypePool$LazyFacade$LazyResolution$LazyTypeDescription.resolve(TypePool.java:3158)
at net.bytebuddy.pool.TypePool$LazyFacade$LazyResolution$LazyTypeDescription.getModifiers(TypePool.java:3238)
at net.bytebuddy.ByteBuddy.rebase(ByteBuddy.java:697)
事实上,我对检测 CGLIB 生成的类没有兴趣,因此希望排除这些。最好的方法是什么?目前,我按名称匹配,但我想知道这是否是最好的方法。
.and(not(nameContains("EnhancerByCGLIB")))
2.打包私有和私有类
我看到的另一个问题是检测 apackage private
或private class
.
Package private
代码如下所示:
abstract class BaseBean {
Object methodA(final String customerNumber){}
}
我得到的错误是:
Caused by: java.lang.IllegalAccessException:
Class net.bytebuddy.implementation.LoadedTypeInitializer$ForStaticField cannot
access a member of class com.mycompany.BaseBean with modifiers "public static"
Private class
代码如下所示:
public class Object A {
//variables & methods...
private class ObjectB {}
}
我得到的错误是:
Caused by: java.lang.IllegalAccessException:
Class net.bytebuddy.implementation.LoadedTypeInitializer$ForStaticField cannot
access a member of class com.mycompany.ObjectA$ObjectB with modifiers "public static"
可以字节好友仪器package private
或private classes
?
3.沉默失败
这只是一个一般性问题,但是否可以指示 Byte Buddy 在每个课程中静默失败?这样一来,任何此类错误都不会阻止应用程序启动或 Byte Buddy 尽可能多地检测。
4.公共抽象类中的公共方法
我的代码是这样的:
package com.mycompany;
public interface InterfaceA{
Object provideAccess(final String id);
}
package com.mycompany;
public abstract class BaseBeanA implements InterfaceA {
//some general helper methods
}
package com.mycompany;
public abstract class BaseBeanB extends BaseBeanA {
//some specific helper methods
}
package com.mycompany;
public class BeanImpl extends BaseBeanB {
protected Object provideAccess(final String id) {
}
}
这会在检测 BaseBeanB 时导致以下错误:
java.lang.IllegalArgumentException:[受保护的 void java.lang.Object.finalize() 均不抛出 java.lang.Throwable,public final 本机 void java.lang.Object.wait(long) 抛出 java.lang.InterruptedException,public final void java.lang.Object.wait() throws java.lang.InterruptedException, public final void java.lang.Object.wait(long,int) throws java.lang.InterruptedException, public boolean java.lang.Object.equals(java .lang.Object), public java.lang.String java.lang.Object.toString(), public native int java.lang.Object.hashCode(), public final native java.lang.Class java.lang.Object.getClass (), protected native java.lang.Object java.lang.Object.clone() throws java.lang.CloneNotSupportedException, public final native void java.lang.Object.notify(), public final native void java.lang.Object。 notifyAll(),公共 java.lang。Object com.mycompany.MyInterceptor.intercept(java.util.concurrent.Callable,java.lang.Object[],java.lang.reflect.Method,java.lang.Class) throws java.lang.Exception] 允许从公共抽象对象 com.mycompany.InterfaceA.provideAccess(java.lang.String)