Failed to invoke the method getAllHelpCatList in the service com.shishuo.basic.common.rpc.DubboHelpCatService. Tried 3 times of the providers [172.16.193.38:20880] (1/1) from the registry mse-3fa19880-nacos-ans.mse.aliyuncs.com:8848 on the consumer 172.16.26.84 using the dubbo version 2.7.23. Last error is: Failed to invoke remote method: getAllHelpCatList, provider: dubbo://172.16.193.38:20880/com.shishuo.basic.common.rpc.DubboHelpCatService?anyhost=true&application=www&category=providers&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&init=false&interface=com.shishuo.basic.common.rpc.DubboHelpCatService&metadata-type=remote&methods=addHelpCat,updateHelpCat,getHelpListByFatherId,getHelpCat,getAllHelpCatList&path=com.shishuo.basic.common.rpc.DubboHelpCatService&pid=1372512&preserved.vs.app.name=unknown&protocol=dubbo&register.ip=172.16.26.84&release=2.7.15&remote.application=center&revision=8.0.0&service.name=ServiceBean:/com.shishuo.basic.common.rpc.DubboHelpCatService&side=consumer&sticky=false&timeout=6000&timestamp=1731982248630, cause: client(url: dubbo://172.16.193.38:20880/com.shishuo.basic.common.rpc.DubboHelpCatService?anyhost=true&application=www&category=providers&check=false&codec=dubbo&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&heartbeat=60000&init=false&interface=com.shishuo.basic.common.rpc.DubboHelpCatService&metadata-type=remote&methods=addHelpCat,updateHelpCat,getHelpListByFatherId,getHelpCat,getAllHelpCatList&path=com.shishuo.basic.common.rpc.DubboHelpCatService&pid=1372512&preserved.vs.app.name=unknown&protocol=dubbo&register.ip=172.16.26.84&release=2.7.15&remote.application=center&revision=8.0.0&service.name=ServiceBean:/com.shishuo.basic.common.rpc.DubboHelpCatService&side=consumer&sticky=false&timeout=6000&timestamp=1731982248630) failed to connect to server /172.16.193.38:20880, error message is:Connection refused: /172.16.193.38:20880
Failed to invoke the method getAllHelpCatList in the service com.shishuo.basic.common.rpc.DubboHelpCatService. Tried 3 times of the providers [172.16.193.38:20880] (1/1) from the registry mse-3fa19880-nacos-ans.mse.aliyuncs.com:8848 on the consumer 172.16.26.84 using the dubbo version 2.7.23. Last error is: Failed to invoke remote method: getAllHelpCatList, provider: dubbo://172.16.193.38:20880/com.shishuo.basic.common.rpc.DubboHelpCatService?anyhost=true&application=www&category=providers&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&init=false&interface=com.shishuo.basic.common.rpc.DubboHelpCatService&metadata-type=remote&methods=addHelpCat,updateHelpCat,getHelpListByFatherId,getHelpCat,getAllHelpCatList&path=com.shishuo.basic.common.rpc.DubboHelpCatService&pid=1372512&preserved.vs.app.name=unknown&protocol=dubbo&register.ip=172.16.26.84&release=2.7.15&remote.application=center&revision=8.0.0&service.name=ServiceBean:/com.shishuo.basic.common.rpc.DubboHelpCatService&side=consumer&sticky=false&timeout=6000&timestamp=1731982248630, cause: client(url: dubbo://172.16.193.38:20880/com.shishuo.basic.common.rpc.DubboHelpCatService?anyhost=true&application=www&category=providers&check=false&codec=dubbo&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&heartbeat=60000&init=false&interface=com.shishuo.basic.common.rpc.DubboHelpCatService&metadata-type=remote&methods=addHelpCat,updateHelpCat,getHelpListByFatherId,getHelpCat,getAllHelpCatList&path=com.shishuo.basic.common.rpc.DubboHelpCatService&pid=1372512&preserved.vs.app.name=unknown&protocol=dubbo&register.ip=172.16.26.84&release=2.7.15&remote.application=center&revision=8.0.0&service.name=ServiceBean:/com.shishuo.basic.common.rpc.DubboHelpCatService&side=consumer&sticky=false&timeout=6000&timestamp=1731982248630) failed to connect to server /172.16.193.38:20880, error message is:Connection refused: /172.16.193.38:20880