banbanbai 发表于 2017-12-19 14:33:16

装逼是个坑,越陷越深

  以下错误可以确定在CDH版本Hbase集群+Lily hbase indexer+solrCloud的环境中可以解决,有开源版本解决成功案例的请在下方评论。
  1.If you see this error: 
  

org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException  
:Error CREATEing SolrCore
'reviews_shard1_replica1': Unable to  
create core: reviews_shard1_replica1 Caused by: Could not
find  
configName
for collection reviews found:null</str>  

  You may have forgotten to create the collection:
  solrctl instancedir --create review solr_configs
  2.If you see this error:
  

ERROR - 2013-10-10 20:01:21.383; org.apache.solr.servlet.SolrDispatchFilter;  Could not start Solr. Check solr
/home property and the logs  
ERROR
- 2013-10-10 20:01:21.409; org.apache.solr.common.SolrException;null:org.apache.solr.common.SolrException: solr.xml not found in ZooKeeper  at org.apache.solr.core.ConfigSolr.fromSolrHome(ConfigSolr.java:
109)  

  
Server is shutting down
  


  You might need to force Solr to>  solrctl init --force
  3.If you see this error:
  

KeeperErrorCode = NoNode for /overseer/collection-queue-work</str>  
<str name="trace">
  
org.apache.zookeeper.KeeperException$NoNodeException:
  
KeeperErrorCode = NoNode for /overseer/collection-queue-work
  

  It probably comes from Error #2. You might need to re-upload the config and recreate the collection.
  以上来自:http://blog.cloudera.com/blog/2013/11/how-to-index-and-search-data-with-hues-search-app/
  4.If you see this error:
  

org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:Error CREATEing SolrCore 'xxx_shard3_replica1': Unable to create core Caused by: Permission denied: user=solr, access=WRITE, inode="/":hdfs:hadoop:drwxr-xr-x   

  也许是hdfs上没有创建相应文件的权限,需要赋予solr用户权限或者采取其他的措施。
  (建议使用集群管理用户创建好/solr目录,然后变更用户权限给solr用户。)
  5.If you see this error:
  (该错误实际的没有复制下来——条件不允许)大致上说已经有indexer和hbase中的表连接 subscription 失败了。
  

执行命令:hbase-indexer list-indexers (最好指定一下zookeeper啦)  

  

//显示:(红色部分是不正常的,蓝色部分是一个正常的案例)  Number of indexes: 1
  

  
nocIndexer
  + Lifecycle state: ACTIVE
  + Incremental indexing state: SUBSCRIBE_AND_CONSUME
  + Batch indexing state: INACTIVE

  + SEP subscription>  + SEP subscription timestamp: 2017-03-21T20:04:52.923+08:00
  + Connection type: solr
  + Connection params:
  + solr.zk = n1.cluster:2181,n2.cluster:2181,n3.cluster:2181/solr
  + solr.collection = noc
  + Indexer config:
  403 bytes, use -dump to see content
  + Indexer component factory: com.ngdata.hbaseindexer.conf.DefaultIndexerComponentFactory
  + Additional batch index CLI arguments:
  (none)
  + Default additional batch index CLI arguments:
  (none)
  + Processes
  + 0 running processes//4 running processes
  + 0 failed processes
  

  这很可能是你已经对该hbase中的表已经设置过了indexer,然后,你又选择进行配置新的indexer,但之前配置的indexer和hbase中的连接信息并没有清理掉。
  这种情况下(使用的zookeeper进行协调同步):
  1.关闭hbase-solr-indexer服务
  2.关闭solr-server服务
  3.关闭hbase集群
  4.清理zookeeper上和solr有关(/solr),和indexer有关(/ngdata),和hbase有关(/hbase)
  5.重新启动hbase集群,solrcloud,hbase-solr-indexer服务。
  6.如果可以清理hdfs上为solr创建的目录下面的与indexer配置相关的文件
  7.移除之前配置的solr collection / instancedir 相关配置文件
  8.重新开始配置Lily hbase indexer。 
  

事实上这个方案适合解决大部分的在配置lily hbase indexer中的问题-生产环境慎用。  
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