How to release releases,"No cached version listing for org.ros.rosJavA_bootstrap: Message_generation :[0.2,0.3)"

[chen8717868]

How to release releases,"No cached version listing for org.ros.rosJavA_bootstrap: Message_generation :[0.2,0.3) available forOffline mode." I can only compile in offline mode, using org.ros.rosJavA_bootstrap :message_generation:0.3.3