新闻 Apache Solr 5.5.2 发布，Java 全文搜索服务器 下载

Apache Solr 5.5.2 发布了，以下是该版本改进内容：

Bugs 修复：

1. 
   SOLR-8695: Ensure ZK watchers are not triggering our watch logic on connection events and make this handling more consistent.
   (Scott Blum via Mark Miller)
   
   
2. 
   SOLR-9198: config APIs unable to add multiple values with same name
   (noble)
   
   
3. 
   SOLR-9191: OverseerTaskQueue.peekTopN() fatally flawed
   (Scott Blum, Noble Paul)
   
   
4. 
   SOLR-8812: edismax: turn off mm processing if no explicit mm spec is provided and there are explicit operators (except for AND) - addresses problems caused by SOLR-2649.
   (Greg Pendlebury, Jan Høydahl, Erick Erickson, Steve Rowe)
   
   
5. 
   SOLR-9034: Atomic updates failed to work when there were copyField targets that had docValues enabled.
   (Karthik Ramachandran, Ishan Chattopadhyaya, yonik)
   
   
6. 
   SOLR-8940: Fix group.sort option
   (hossman)
   
   
7. 
   SOLR-8857: HdfsUpdateLog does not use configured or new default number of version buckets and is hard coded to 256.
   (Mark Miller, yonik, Gregory Chanan)
   
   
8. 
   SOLR-8875: SolrCloud Overseer clusterState could unexpectedly be null resulting in NPE.
   (Scott Blum via David Smiley)
   
   
9. 
   SOLR-8946: bin/post failed to detect stdin usage on Ubuntu; maybe other unixes.
   (David Smiley)
   
   
10. 
    SOLR-9004: Fix "name" field type definition in films example.
    (Alexandre Rafalovitch via Varun Thacker)
    
    
11. 
    SOLR-8990: Fix top term links from schema browser page to use {!term} parser
    (hossman)
    
    
12. 
    SOLR-8971: Preserve root cause when wrapping exceptions
    (hossman)
    
    
13. 
    SOLR-8792: ZooKeeper ACL support fixed.
    (Esther Quansah, Ishan Chattopadhyaya, Steve Rowe)
    
    
14. 
    SOLR-9030: The 'downnode' overseer command can trip asserts in ZkStateWriter.
    (Scott Blum, Mark Miller, shalin)
    
    
15. 
    SOLR-9036: Solr slave is doing full replication (entire index) of index after master restart.
    (Lior Sapir, Mark Miller, shalin)
    
    
16. 
    SOLR-9093: Fix NullPointerException in TopGroupsShardResponseProcessor.
    (Christine Poerschke)
    
    
17. 
    SOLR-9118: HashQParserPlugin should trim partition keys
    (Joel Bernstein)
    
    
18. 
    SOLR-9117: The first SolrCore is leaked after reload.
    (Jessica Cheng Mallet via shalin)
    
    
19. 
    SOLR-9116: Race condition causing occasional SolrIndexSearcher leak when SolrCore is reloaded.
    (Jessica Cheng Mallet via shalin)
    
    
20. 
    SOLR-8801: /bin/solr create script always returns exit code 0 when a collection/core already exists.
    (Khalid Alharbi, Marius Grama via Steve Rowe)
    
    
21. 
    SOLR-9134: Fix RestManager.addManagedResource return value.
    (Christine Poerschke)
    
    
22. 
    SOLR-9151: Fix SolrCLI so that bin/solr -e cloud example can be run from any CWD
    (janhoy)
    
    
23. 
    SOLR-9165: Spellcheck does not return collations if "maxCollationTries" is used with "cursorMark".
    (James Dyer)
    
    
24. 
    SOLR-8612: closing JDBC Statement on failures in DataImportHandler (DIH)
    (Kristine Jetzke via Mikhail Khludnev)
    
    
25. 
    SOLR-8676: keep LOG4J_CONFIG in solr.cmd
    (Kristine Jetzke via Mikhail Khludnev)
    
    
26. 
    SOLR-9176: facet method ENUM was sometimes unnecessarily being rewritten to FCS, causing slowdowns
    (Alessandro Benedetti, Jesse McLaughlin, Alan Woodward)
    
    
27. 
    SOLR-9234: srcField works only when all fields are captured in the /update/json/docs endpoint
    (noble)
    

支持的组件版本：

1. 
   Apache Tika 1.7
   
   
2. 
   Carrot2 3.10.4
   
   
3. 
   Velocity 1.7 and Velocity Tools 2.0
   
   
4. 
   Apache UIMA 2.3.1
   
   
5. 
   Apache ZooKeeper 3.4.6
   
   
6. 
   Jetty 9.2.13.v20150730
   

下载地址：http://www.apache.org/dyn/closer.lua/lucene/solr/5.5.2
Apache Solr 5.5.2 发布，Java 全文搜索服务器下载地址