Can't dispatch DDM chunk 52454151: No handler defined

[10:10:06-Hello Google Android] activitymanager: DDM dispatch Reg wait timeout [10:10:06-Hello Google Android] activitymanager: Can't dispatch DDM chunk 52454151: no handler defined [10:10:06-Hello Google Android] activitymanager: Can't dispatch DDM chunk 48454c4f: No handler defined [2010-07-12 10:10:06-Hello Google Android] activitymanager: Can't dispatch DDM Chunk 46454154: No handler defined [2010-07-12 10:10:06-Hello Google Android] activitymanager: Can't dispatch DDM chunk 4d505133: No handler defined [10:10:09-Hello Google Android] activitymanager: Starting: intent {CMP = zlp. android. test. hello /. hello} [10:10:36-Hello Google Android] Home is up on device 'emulator-000000' [10:10:36-Hello Google Android] uploading Hello Google android.apk onto device 'emulator-100' [10:10:36-Hello Google Android] installing Hello Google android.apk... [10:11:00-Hello Google Android] success! [10:11:01-Hello Google Android] Starting activity zlp. android. test. hello. hello on device encountered this problem today. I checked it online and said it was caused by mismatch between the ADT and SDK versions. Besides, the operation is successful later and should not affect the overall situation, but I still feel a little timid. I wonder if I have a better answer?