Edit C:\Program Files\Java\jdk1.8.0_121\lib\com\sun\tools\attach\VirtualMachineDescriptor.class
?? 4 P ! ()I ()V : <init> Code I LineNumberTable Ljdk/Exported; RuntimeVisibleAnnotations SourceFile StackMapTable append -com/sun/tools/attach/VirtualMachineDescriptor 'com/sun/tools/attach/spi/AttachProvider display name cannot be null displayName equals hash hashCode id identifier cannot be null java/lang/NullPointerException java/lang/Object java/lang/String java/lang/StringBuilder provider provider cannot be null toString )Lcom/sun/tools/attach/spi/AttachProvider; Ljava/lang/String; +()Lcom/sun/tools/attach/spi/AttachProvider; (Ljava/lang/Object;)Z ()Ljava/lang/String; (Ljava/lang/String;)V >(Lcom/sun/tools/attach/spi/AttachProvider;Ljava/lang/String;)V -(Ljava/lang/String;)Ljava/lang/StringBuilder; P(Lcom/sun/tools/attach/spi/AttachProvider;Ljava/lang/String;Ljava/lang/String;)V ) * * + , - "