Apache Solr - News
Solr& News
15 June 2015, Apache Solr 5.2.1 available
The Lucene PMC is pleased to announce the release of Apache Solr 5.2.1
Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search. Solr is highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.
This release contains various bug fixes and optimizations since the 5.2.0 release. The release is available for immediate download at:
file included with the release for a full list of details.
Solr 5.2.1 includes 8 bug fixes and 2 other changes.
Release Highlights:
Fix javascript bug introduced by SOLR-7409 that breaks the dataimport screen in the admin UI
Faceting on a numeric field with a unique() subfacet function on another numeric field can result in incorrect results or an exception
New Facet Module should respect shards.tolerant and process all non-failing shards instead of throwing an exception
A request with a json content type but no body caused a null pointer exception
SolrOutputFormat creates an invalid solr.xml in the solr home zip for MapReduceIndexerTool
Fix new (Angular-based) admin UI Cloud pane
The DefaultSolrHighlighter since 5.0 was determining if payloads were present in a way that was slow, especially when lots of fields were highlighted. It's now fast
Requests are not distributed evenly if the collection isn't present locally
See the CHANGES.txt file included with the release for a full list of changes and further details.
Please report any feedback to the
7 June 2015 - Apache Solr 5.2.0 and Reference Guide for 5.2 available
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 5.2.0 is available for immediate download at:
file included with the release for a full list of details.
Solr 5.2.0 Release Highlights:
Restore API allows restoring a core from an index backup.
JSON Facet API
unique() is now implemented for numeric and date fields
Optional flatter form via a "type" parameter
Added support for "mincount" parameter in range facets to suppress buckets less than that count
Multi-select faceting support for the Facet Module via the "excludeTags" parameter which disregards any matching tagged filters for that facet.
hll() facet function for distributed cardinality via HyperLogLog algorithm.
See examples at /solr-count-distinct/
A new "facet.range.method" parameter to let users choose how to do range faceting between an implementation based on filters (previous algorithm, using "facet.range.method=filter") or DocValues ("facet.range.method=dv")
Rule-based Replica assignment during collection, shard, and replica creation.
Stats component:
New 'cardinality' option for stats.field, uses HyperLogLog to efficiently estimate the cardinality of a field w/bounded RAM. Blog post: /blog/hyperloglog-field-value-cardinality-stats/
stats.field now supports individual local params for 'countDistinct' and 'distinctValues'. 'calcdistinct' is still supported as an alias for both options.
Solr security
Authentication and Authorization frameworks that define interfaces, and mechanisms to create, load, and use authorization/authentication plugins have been added.
A Kerberos authentication plugin which would allow running a Kerberized Solr setup.
Solr Streaming Expressions
See https://cwiki.apache.org/confluence/display/solr/Streaming+Expressions
bin/post (and SimplePostTool in -Dauto=yes mode) now sends rather than skips files without a known content type, as "application/octet-stream", provided it still is in the allowed filetypes setting.
HDFS transaction log replication factor is now configurable
A cluster-wide property can now be be added/edited/deleted using the zkcli script and doesn't require a running Solr instance.
New spatial RptWithGeometrySpatialField, based on CompositeSpatialStrategy, which blends RPT indexes for speed with serialized geometry for accuracy.
Includes a Lucene segment based in-memory shape cache.
Refactored Admin UI using AngularJS. It isn't the default, but a parallel UI interface in this release.
Solr has internally been upgraded to use Jetty 9.
Solr 5.2.0 also includes many other new features as well as numerous
optimizations and bugfixes of the corresponding Apache Lucene release.
Also available is the Solr Reference Guide for Solr 5.2. This 591 page
PDF serves as the definitive user's manual for Solr 5.2. It can be downloaded
from the Apache mirror network:
22 April 2015 - Apache Solr Reference Guide Available
The Lucene PMC is pleased to announce the availability of the Apache Solr Reference Guide for Solr 5.1.
This 578 page PDF serves is the definitive user's manual for Solr. For this version, we've updated the Guide for several new features and changes and given the PDF a bit of a facelift for easier reading.
The Guide can be downloaded from https://www.apache.org/dyn/closer.cgi/lucene/solr/ref-guide/apache-solr-ref-guide-5.1.pdf.
14 April 2015 - Apache Solr 5.1.0 Available
The Lucene PMC is pleased to announce the release of Apache Solr 5.1.0.
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 5.1.0 is available for immediate download at:
Solr 5.1.0 includes 39 new features, 40 bug fixes, and 36 optimizations
/ other changes from over 60 unique contributors.
file included
with the release for a full list of details.
5 March 2015 - Apache Solr 4.10.4 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.10.4
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.10.4 is available for immediate download at:
Solr 4.10.4 includes 24 bug fixes as well as Lucene 4.10.4 and its 13 bug fixes.
file included with the release for a full list of details.
20 February 2015 - Apache Solr 5.0.0 and Reference Guide for 5.0 available
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 5.0 is available for immediate download at:
file included with the release for a full list of
Solr 5.0 Release Highlights:
Usability improvements that include improved bin scripts and new and restructured examples.
Scripts to support installing and running Solr as a service on Linux.
Distributed IDF is now supported and can be enabled via the config. Currently, there are four supported implementations for the same:
LocalStatsCache: Local document stats.
ExactStatsCache: One time use aggregation
ExactSharedStatsCache: Stats shared across requests
LRUStatsCache: Stats shared in an LRU cache across requests
Solr will no longer ship a war file and instead be a downloadable application.
SolrJ now has first class support for Collections API.
Implicit registration of replication,get and admin handlers.
Config API that supports paramsets for easily configuring solr parameters and configuring fields. This API also supports managing of pre-existing request handlers and editing common solrconfig.xml via overlay.
API for managing blobs allows uploading request handler jars and registering them via config API.
BALANCESHARDUNIQUE Collection API that allows for even distribution of custom replica properties.
There's now an option to not shuffle the nodeSet provided during collection creation.
Option to configure bandwidth usage by Replication handler to prevent it from using up all the bandwidth.
Splitting of clusterstate to per-collection enables scalability improvement in SolrCloud. This is also the default format for new Collections that would be created going forward.
timeAllowed is now used to prematurely terminate requests during query expansion and SolrClient request retry.
pivot.facet results can now include nested stats.field results constrained by those pivots.
stats.field can be used to generate stats over the results of arbitrary numeric functions.
It also allows for requesting for statistics for pivot facets using tags.
A new DateRangeField has been added for indexing date ranges, especially multi-valued ones.
Spatial fields that used to require units=degrees now take distanceUnits=degrees/kilometers miles instead.
MoreLikeThis query parser allows requesting for documents similar to an existing document and also works in SolrCloud mode.
Logging improvements:
Transaction log replay status is now logged
Optional logging of slow requests.
Solr 5.0 also includes many other new features as well as numerous
optimizations and bugfixes of the corresponding Apache Lucene release.
Also available is the Solr Reference Guide for Solr 5.0. This 535 page
PDF serves as the definitive user's manual for Solr 5.0. It can be downloaded
from the Apache mirror network:
29 December 2014 - Apache Solr 4.10.3 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.10.3
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.10.3 is available for immediate download at:
Solr 4.10.3 includes 21 bug fixes, 5 other changes,
as well as Lucene 4.10.3 and its 12 bug fixes.
This release fixes the following security vulnerability that has affected
Solr since the Solr 4.0 Alpha release.
CVE-: Stored XSS vulnerability in Solr Admin UI.
Information disclosure: The Solr Admin UI Plugin / Stats page does not escape
data values which allows an attacker to execute javascript by executing a query
that will be stored and displayed via the 'fieldvaluecache' object.
file included with the release for a full list of details, and Happy
31 October 2014 - Apache Solr 4.10.2 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.10.2
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.10.2 is available for immediate download at:
Solr 4.10.2 includes 10 bug fixes,
as well as Lucene 4.10.2 and its 2 bug fixes.
file included with the release for a full list of details, and Happy
Halloween!
29 September 2014 - Apache Solr 4.10.1 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.10.1
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.10.1 is available for immediate download at:
Solr 4.10.1 includes 6 bug fixes,
as well as Lucene 4.10.1 and its 7 bug fixes.
file included with the release for a full list of details.
22 September 2014 - Apache Solr 4.9.1 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.9.1
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.9.1 is available for immediate download at:
Solr 4.9.1 includes 2 bug fixes,
as well as Lucene 4.9.1 and its 7 bug fixes.
file included with the release for a full list of details.
7 September 2014 - Apache Solr Ref Guide for 4.10 Available
The Lucene PMC is pleased to announce that there is a new version of the
Solr Reference Guide for Solr 4.10.
The 511 page PDF serves as the definitive user's manual for Solr 4.10. It
can be downloaded from the Apache mirror network:
[https://www.apache.org/dyn/closer.cgi/lucene/solr/ref-guide/][1].
03 September 2014 - Apache Solr 4.10.0 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.10.0
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.10.0 is available for immediate download at:
file included with the release for a full list of details.
Solr 4.10.0 Release Highlights:
This release upgrades Solr Cell's (contrib/extraction) dependency
on Apache POI to mitigate
Scripts for starting, stopping, and running Solr examples
Distributed query support for facet.pivot
Interval Faceting for Doc Values fields
New "terms" QParser for efficiently filtering documents by a list of values
Apache Solr versions 4.8.0, 4.8.1, 4.9.0 bundle Apache POI 3.10-beta2 with its binary release tarball.
This version (and all previous ones) of Apache POI are vulnerable to the following issues:
CVE-: XML External Entity (XXE) problem in Apache POI's OpenXML parser
Information disclosure: Apache POI uses Java's XML components to parse OpenXML files produced by Microsoft Office products (DOCX, XLSX, PPTX,...).
Applications that accept such files from end-users are vulnerable to XML External Entity (XXE) attacks, which allows remote attackers to bypass
security restrictions and read arbitrary files via a crafted OpenXML document that provides an XML external entity declaration in conjunction
with an entity reference.
CVE-: XML Entity Expansion (XEE) problem in Apache POI's OpenXML parser
Denial of service: Apache POI uses Java's XML components and Apache Xmlbeans to parse OpenXML files produced by Microsoft Office products
(DOCX, XLSX, PPTX,...). Applications that accept such files from end-users are vulnerable to XML Entity Expansion (XEE) attacks ("XML bombs"),
which allows remote hackers to consume large amounts of CPU resources.
The Apache POI PMC released a bugfix version (3.10.1) today.
Solr users are affected by these issues, if they enable the "Apache Solr Content Extraction Library (Solr Cell)"
contrib module from the folder "contrib/extraction" of the release tarball.
Users of Apache Solr are strongly advised to keep the module disabled if they don't use it.
Alternatively, users of Apache Solr 4.8.0, 4.8.1, or 4.9.0 can update the affected libraries by
replacing the vulnerable JAR files in the distribution folder. Users of previous versions have
to update their Solr release first, patching older versions is impossible.
To replace the vulnerable JAR files follow these steps:
Download the
binary release.
Unzip the archive.
Delete the following files in your "solr-4.X.X/contrib/extraction/lib" folder:
poi-3.10-beta2.jar
poi-ooxml-3.10-beta2.jar
poi-ooxml-schemas-3.10-beta2.jar
poi-scratchpad-3.10-beta2.jar
xmlbeans-2.3.0.jar
Copy the following files from the base folder of the Apache POI distribution to the "solr-4.X.X/contrib/extraction/lib" folder:
poi-3.10.1-.jar
poi-ooxml-3.10.1-.jar
poi-ooxml-schemas-3.10.1-.jar
poi-scratchpad-3.10.1-.jar
Copy "xmlbeans-2.6.0.jar" from POI's "ooxml-lib/" folder to the "solr-4.X.X/contrib/extraction/lib" folder.
Verify that the "solr-4.X.X/contrib/extraction/lib" no longer contains any files with version number "3.10-beta2".
Verify that the folder contains one xmlbeans JAR file with version 2.6.0.
If you just want to disable extraction of Microsoft Office documents, delete the files above and don't replace them.
"Solr Cell" will automatically detect this and disable Microsoft Office document extraction.
Coming versions of Apache Solr will have the updated libraries bundled.
30 June 2014 - Apache Solr Ref Guide for 4.9 Available
The Lucene PMC is pleased to announce that there is a new version
of the Solr Reference Guide for Solr 4.9.
The 408 page PDF serves as the definitive user's manual for Solr 4.9.
It can be downloaded from the Apache mirror network:
[https://www.apache.org/dyn/closer.cgi/lucene/solr/ref-guide/][1].
25 June 2014 - Apache Solr 4.9.0 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.9.0
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.9.0 is available for immediate download at:
file included with the release for a full list of details.
Solr 4.9.0 Release Highlights:
Numerous optimizations for doc values search-time performance
Allow a client application to request the minium achieved replication
factor for an update request (single or batch) by sending an optional
parameter "min_rf".
Query re-ranking support with the new ReRankingQParserPlugin.
A new [child ...] DocTransformer for optionally including Block-Join
decendent documents inline in the results of a search.
A new (default) Lucene49NormsFormat to better compress certain cases
such as very short fields.
20 May 2014 - Apache Solr 4.8.1 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.8.1
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.8.1 is available for immediate download at:
Solr 4.8.1 includes 10 bug fixes,
as well as Lucene 4.8.1 and its bug fixes.
file included with the release for a full list of details.
2 May 2014 - Apache Solr Ref Guide for 4.8 Available
The Lucene PMC is pleased to announce that there is a new version
of the Solr Reference Guide available for Solr 4.8.
The 396 page PDF serves as the definitive user's manual for Solr 4.8.
It can be downloaded from the Apache mirror network:
[https://www.apache.org/dyn/closer.cgi/lucene/solr/ref-guide/][1]
28 April 2014 - Apache Solr 4.8.0 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.8.0
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.8.0 is available for immediate download at:
file included with the release for a full list of details.
Solr 4.8.0 Release Highlights:
Apache Solr now requires Java 7 or greater (recommended is
Oracle Java 7 or OpenJDK 7, minimum update 55; earlier versions
have known JVM bugs affecting Solr).
Apache Solr is fully compatible with Java 8.
&fields& and &types& tags have been deprecated from schema.xml.
There is no longer any reason to keep them in the schema file,
they may be safely removed. This allows intermixing of &fieldType&,
&field& and &copyField& definitions if desired.
The new {!complexphrase} query parser supports wildcards, ORs etc.
inside Phrase Queries.
New Collections API CLUSTERSTATUS action reports the status of
collections, shards, and replicas, and also lists collection
aliases and cluster properties.
Added managed synonym and stopword filter factories, which enable
synonym and stopword lists to be dynamically managed via REST API.
JSON updates now support nested child documents, enabling {!child}
and {!parent} block join queries.
Added ExpandComponent to expand results collapsed by the
CollapsingQParserPlugin, as well as the parent/child relationship
of nested child documents.
Long-running Collections API tasks can now be executed
the new REQUESTSTATUS action provides status.
Added a hl.qparser parameter to allow you to define a query parser
for hl.q highlight queries.
In Solr single-node mode, cores can now be created using named
configsets.
New DocExpirationUpdateProcessorFactory supports computing an
expiration date for documents from the "TTL" expression, as well as
automatically deleting expired documents on a periodic basis.
Solr 4.8.0 also includes many other new features as well as numerous
optimizations and bugfixes of the corresponding
15 April 2014 - Apache Solr 4.7.2 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.7.2
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.7.2 is available for immediate download at:
Solr 4.7.2 includes 2 bug fixes,
as well as Lucene 4.7.2 and its bug fixes.
file included with the release for a full list of details.
02 April 2014 - Apache Solr 4.7.1 Available
The Lucene PMC is pleased to announce the release of Apache Solr 4.7.1
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search. Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.7.1 is available for immediate download at:
Solr 4.7.1 includes 28 bug fixes and one new configuration setting,
as well as Lucene 4.7.1 and its bug fixes.
file included with the release for a full list of details.
12 March 2014 - Apache Solr 4.8 will require Java 7
The Apache Solr committers decided with a large majority on the vote to require Java 7 for the next minor release of Apache Solr (version 4.8)!
The next release will also contain some improvements for Java 7:
Better file handling (especially on Windows) in the directory implementations. Files can now be deleted on windows, although the index is still open - like it was always possible on Unix environments (delete on last close semantics).
Speed improvements in sorting comparators: Sorting now uses Java 7's own comparators for integer and long sorts, which are highly optimized by the Hotspot VM.
If you want to stay up-to-date with Lucene and Solr, you should upgrade your infrastructure to Java 7.
Please be aware that you must use at least use Java 7u1.
The recommended version at the moment is Java 7u25. Later versions like 7u40, 7u45,... have a bug causing index corrumption.
Ideally use the Java 7u60 prerelease, which has fixed this bug. Once 7u60 is out, this will be the recommended version.
In addition, there is no more Oracle/BEA JRockit available for Java 7, use the official Oracle Java 7.
JRockit was never working correctly with Lucene/Solr (causing index corrumption), so this should not be an issue.
Please also review our list of JVM bugs:
EDIT (as of 15 April 2014): The recently released Java 7u55 fixes the above bug causing index corrumption.
This version is now the recommended version for running Apache Solr.
5 March 2014 - Apache Solr Ref Guide for 4.7 Available
The Lucene PMC is pleased to announce that there is a new version of the Solr Reference Guide available for Solr 4.7.
The 395 page PDF serves as the definitive user's manual for Solr 4.7. It can be downloaded from the Apache mirror network:
[https://www.apache.org/dyn/closer.cgi/lucene/solr/ref-guide/][1]
26 February 2014 - Apache Solr 4.7.0 Available
The Lucene PMC is pleased to announce the release of
Apache Solr 4.7
Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.
Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.
Solr 4.7 is available for immediate download at:
file included with the release for a full list of details.
Solr 4.7 Release Highlights:
A new migrate collection API to split all documents with a route key
into another collection.
Added support for tri-level compositeId routing.
Admin UI - Added a new Files conf directory browser/file viewer.
Add a QParserPlugin for Lucene's SimpleQueryParser.
Suggest improvements: a new SuggestComponent that fully utilizes the
Luc queries can now use
Lucene's FreeTextSuggester and BlendedInfixSuggester are now supported.
New cursorMark request param for efficient deep paging of sorted
result sets. See
Add a Solr contrib that allows for building Solr indexes via Hadoop's
MapReduce.
Upgrade to Spatial4j 0.4. Various new options are now exposed
automatically for an RPT field type.
See Spatial4j CHANGES & javadocs.
SSL support for SolrCloud.
Solr 4.7 also includes many other new features as well as numerous
optimizations and bugfixes.
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