报错背景:
安装CDH6.2.1,启动cloudera-manager-server 时,查看/var/log/cloudera-scm-server/cloudera-scm-server.log日志,发现如下报警,如果不解决error直接去安装服务的话,应该就各个节点的服务器,无法安装。
报错现象:
查看报错现日志:
tail -f /var/log/cloudera-scm-server/cloudera-scm-server.log

2020-06-04 19:54:18,607 ERROR ParcelUpdateService:com.cloudera.parcel.components.ParcelDownloaderImpl: Unable to retrieve remote parcel repository manifest
java.util.concurrent.TimeoutExceptionat com.ning.http.client.providers.netty.future.NettyResponseFuture.get(NettyResponseFuture.java:159)at com.cloudera.parcel.components.ParcelDownloaderImpl.getRepoInfoFromFuture(ParcelDownloaderImpl.java:563)at com.cloudera.parcel.components.ParcelDownloaderImpl.getRepositoryInfo(ParcelDownloaderImpl.java:543)at com.cloudera.parcel.components.ParcelDownloaderImpl.syncRemoteRepos(ParcelDownloaderImpl.java:357)at com.cloudera.parcel.components.ParcelDownloaderImpl$1.run(ParcelDownloaderImpl.java:464)at com.cloudera.parcel.components.ParcelDownloaderImpl$1.run(ParcelDownloaderImpl.java:459)at com.cloudera.cmf.persist.ReadWriteDatabaseTaskCallable.call(ReadWriteDatabaseTaskCallable.java:36)at java.util.concurrent.FutureTask.run(FutureTask.java:266)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)
2020-06-04 19:54:20,331 ERROR ParcelUpdateService:com.cloudera.parcel.components.ParcelDownloaderImpl: Failed to download manifest.Status code: 404 URI: https://archive.cloudera.com/sqoop-teradata-connector1/1.7.1c6/manifest.json/

2020-06-04 19:54:18,607 ERROR ParcelUpdateService:com.cloudera.parcel.components.ParcelDownloaderImpl: Unable to retrieve remote parcel repository manifest
java.util.concurrent.TimeoutException
at com.ning.http.client.providers.netty.future.NettyResponseFuture.get(NettyResponseFuture.java:159)
at com.cloudera.parcel.components.ParcelDownloaderImpl.getRepoInfoFromFuture(ParcelDownloaderImpl.java:563)
at com.cloudera.parcel.components.ParcelDownloaderImpl.getRepositoryInfo(ParcelDownloaderImpl.java:543)
at com.cloudera.parcel.components.ParcelDownloaderImpl.syncRemoteRepos(ParcelDownloaderImpl.java:357)
at com.cloudera.parcel.components.ParcelDownloaderImpl1.run(ParcelDownloaderImpl.java:464)
at com.cloudera.parcel.components.ParcelDownloaderImpl1.run(ParcelDownloaderImpl.java:459)
at com.cloudera.cmf.persist.ReadWriteDatabaseTaskCallable.call(ReadWriteDatabaseTaskCallable.java:36)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2020-06-04 19:54:20,331 ERROR ParcelUpdateService:com.cloudera.parcel.components.ParcelDownloaderImpl: Failed to download manifest.
Status code: 404 URI: https://archive.cloudera.com/sqoop-teradata-connector1/1.7.1c6/manifest.json/

报错原因:
未修改各个节点服务器的CM配置文件,各个节点的server_host仍为默认的localhost

# Hostname of the CM server.
server_host=localhost# Port that the CM server is listening on.
server_port=7182

报错解决:
将各个节点服务器的CM配置文件的server_host都改为主节点的名称hadoop102

vim /etc/cloudera-scm-agent/config.ini


个人感悟:
如果只启动 cloudera-manager-server,不启动cloudera-manager-agent时,也会报给error,后面启动cloudera-manager-agent后不影响,正常工作。最好启动的时候 cloudera-manager-server、cloudera-manager-agent一起启动,就不会报该错误了


没有克服不了的困难,只有畏惧的心。 生活之所以耀眼,是因为磨难与辉煌会同时出现。所以,别畏惧暂时的困顿,即使无人鼓掌,也要全情投入,优雅坚持。请相信:不管多险峻的高山,总会给勇敢的人留一条攀登的路。只要你肯迈步,路就会在你脚下延伸。

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