使用JRMPListener时无法加载恶意class文件

[TheCryingGame]

java -cp ysoserial-for-woodpecker-0.5.2.jar me.gv7.woodpecker.yso.exploit.JRMPListener 8099 CommonsCollections5 "class_file:/tmp/a.class"
Exception in thread "main" java.lang.IllegalArgumentException: Failed to construct payload
at me.gv7.woodpecker.yso.payloads.ObjectPayload$Utils.makePayloadObject(ObjectPayload.java:81)
at me.gv7.woodpecker.yso.exploit.JRMPListener.main(JRMPListener.java:115)
Caused by: java.lang.Exception: Command [class_file:/tmp/a.class] not supported
at me.gv7.woodpecker.yso.payloads.custom.CommonsCollectionsUtil.getTransformerList(CommonsCollectionsUtil.java:206)
at me.gv7.woodpecker.yso.payloads.CommonsCollections5.getObject(CommonsCollections5.java:61)
at me.gv7.woodpecker.yso.payloads.CommonsCollections5.getObject(CommonsCollections5.java:49)
at me.gv7.woodpecker.yso.payloads.ObjectPayload$Utils.makePayloadObject(ObjectPayload.java:78)
... 1 more