solr-搭建与使用过程中问题总结-链接

时间:2022-05-23 15:17:48

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 - -- ::21.383; org.apache.solr.servlet.SolrDispatchFilter;
Could not start Solr. Check solr/home property and the logs
ERROR - -- ::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:) Server is shutting down

You might need to force Solr to reload the configuration. Beware, this might break Apache ZooKeeper and you might need to read Error #3.

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 [noc_shard3_replica1] 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: nocIndexer
+ Lifecycle state: ACTIVE
+ Incremental indexing state: SUBSCRIBE_AND_CONSUME
+ Batch indexing state: INACTIVE
+ SEP subscription ID: null //SEP subscription ID: Indexer_xxxIndexer
+ SEP subscription timestamp: --21T20::52.923+:
+ Connection type: solr
+ Connection params:
+ solr.zk = n1.cluster:,n2.cluster:,n3.cluster:/solr
+ solr.collection = noc
+ Indexer config:
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
   + 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。