apache-atlas - 独立运行 Apache Atlas

Question

我正在尝试在 Ubuntu 上以独立方式运行 Apache Atlas - 这意味着无需设置 Solr 和/或 HBase。
我所做的(根据文档: http://atlas.apache.org/0.8.1/InstallationSteps.html )是克隆 Git 存储库，使用嵌入的 HBase 和 dSolr 构建 maven 项目:

mvn clean package -Pdist,embedded-hbase-solr

解压生成的 tar.gz 文件并执行 bin/atlas_start.py - 无需更改任何配置。根据我对应该与 Atlas 一起实际启动 HBase 的文档的理解 - 对吗？

这是我在日志/applocation.log 中找到的内容:

2017-11-30 17:14:24,093 INFO  - [main:] ~ >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (Atlas:216)
2017-11-30 17:14:24,093 INFO  - [main:] ~ Server starting with TLS ? false on port 21000 (Atlas:217)
2017-11-30 17:14:24,093 INFO  - [main:] ~ <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< (Atlas:218)
2017-11-30 17:14:27,684 INFO  - [main:] ~ No authentication method configured.  Defaulting to simple authentication (LoginProcessor:102)
2017-11-30 17:14:28,527 INFO  - [main:] ~ Logged in user daniel (auth:SIMPLE) (LoginProcessor:77)
2017-11-30 17:14:31,777 INFO  - [main:] ~ Not running setup per configuration atlas.server.run.setup.on.start. (SetupSteps$SetupRequired:189)
2017-11-30 17:14:39,456 WARN  - [main-SendThread(localhost:2181):] ~ Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (ClientCnxn$SendThread:110$
java.net.ConnectException: Connection refused
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
        at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
2017-11-30 17:14:39,594 WARN  - [main:] ~ Possibly transient ZooKeeper, quorum=localhost:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = Connecti$
2017-11-30 17:14:40,593 WARN  - [main-SendThread(localhost:2181):] ~ Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (ClientCnxn$SendThread:110$
java.net.ConnectException: Connection refused
        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)

...

        at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
        at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
2017-11-30 17:14:56,185 WARN  - [main:] ~ Possibly transient ZooKeeper, quorum=localhost:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = Connecti$
2017-11-30 17:14:56,186 ERROR - [main:] ~ ZooKeeper exists failed after 4 attempts (RecoverableZooKeeper:277)
2017-11-30 17:14:56,186 WARN  - [main:] ~ hconnection-0x1dba4e060x0, quorum=localhost:2181, baseZNode=/hbase Unable to set watcher on znode (/hbase/hbaseid) (ZKUtil:544)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
        at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:221)
        at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:541)
        at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)

对我来说，它读起来好像脚本没有启动 HBase(和 Zookeeper)。

我错过了什么吗？

谢谢你的提示!

Answer 1

好的，同时我想出了这个问题。启动脚本显然不会执行设置一些环境变量的脚本 conf/atlas-env.sh。其中包括 MANAGE_LOCAL_HBASE 和 MANAGE_LOCAL_SOLR。因此，如果您将这两个环境变量设置为 true(并正确设置嵌入式 HBase 所需的 JAVA_HOME)，那么 Atlas 会自动启动 HBase 和 Solr - 我们将获得一个本地运行的 Atlas 实例!

也许这可以帮助将来遇到相同问题的人!