Solr is an open source enterprise search platform from the Apache Lucene project, written in Java.

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Using external IP with DataStax Enterprise

We are in a situation where we need Cassandra nodes to be accessible from an external IP, but there is no interface with that IP; traffic to that IP is NATted to the node. Per DataStax's ...
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ManifoldCF keeps running out of memory

I am using ManifoldCF to help index documents to Solr. Solr is configured in Cloud-Mode, with one node/core and an external ZooKeeper (on the same machine as the one running Solr). ManifoldCF reads ...
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58 views

How do I add a Solr core without restarting the Solr server?

Question How do I add a Solr core without restarting the Solr server? Is it possible at all? My current way of adding Solr cores (with server restart) According to this FAQ I do the following: ...
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2answers
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How to separate solr/home and data/dir in Catalina/localhost XML file?

I've the following configuration file within conf/Catalina/localhost in Tomcat 7: <Context docBase="webapps/solr.war" debug="0" crossContext="true" > <Environment name="solr/home" ...
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28 views

How to override default `solr.home` in XML files under `Catalina/localhost`?

I'm trying to configure two instances of Solr on the same host and I'd like to override solr.home for each instance. I've created two files under Catalina/localhost/ as suggested in Solr Tomcat wiki: ...
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20 views

vufind cannot connect to solr

I have a fresh instance of vuFind and Solr installed on Ubuntu 14.02. I cannot get past the initial configuration screen because vuFind cannot connect to Solr. However, when I use a browser to ...
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1answer
25 views

SolrCloud 4.8.0 - Snapshot directories take a lot of space

Looking at solrhome/data directory in my solrcloud cluster I have found a lot of old snapshot directories like these: snapshot.20150506003702765 snapshot.20150506003702760 snapshot.20150507002849492 ...
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22 views

What could cause duplicates of a unique field when paging the results of a solr query?

I'm moving a solr 1.3 installation from an outdated server to a new server. Unfortunately the client can't upgrade because they can't reindex. The new installation is working well, except that with ...
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58 views

Solr / Jetty install hangs running java -jar start.jar

Trying to run Solr and I can get it almost completely installed. When I run the "java -jar start.jar" command it hangs on me. Below are the last few lines I get before it just stops. * *10266 ...
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24 views

CentOS 6.6 port not open locally [duplicate]

I searched around and can only find the opposite problem -- ports are available locally, but not remotely. My issue is, the port was opened for me remotely, and it works, but it isn't available ...
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97 views

Memory Leak in Solr cloud 4.8.1 and Lucene

I have a solr cloud instance version 4.8.1 with 8 nodes, 4 shards and facing memory leak on the JVMs here are the details of the instance. 8 nodes, 4 shards(2 nodes per shard) runs on Tomcat ...
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2answers
100 views

How to install Solr 4.x on Tomcat via Puppet?

So far I've been using the following recipe for installing Solr 3.x on Tomcat 6: package { 'openjdk-6-jdk' : ensure => installed, } package { 'solr-tomcat' : ensure => installed, } exec { ...
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36 views

Solr Cloud Setup

I have setup solr cloud with external zookeeper on distributed machines. When I started solr on all three machines with zookeeper and without any default configuration. My Cloud stared successfully. ...
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1answer
267 views

Lucene Solr - Multi Core vs Multiple Instance for Different Schema Documents

I have performance concern and want a suggestion that which will be best, Multi Core or Multi Instance(with different port)? Lets have a look on My Case First: Currently I am running solr with ...
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21 views

Solr 503 when using boost function

I have three environments which are set up to use Solr: local, staging and production. The local configuration differs slightly to the staging/production however the other two are identical. I ...
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1answer
70 views

Apache Solr in openshift redhat application [closed]

I have a drupal application on openshift redhat server and I would like to install apache solr for my search_api_solr module. Any ideas how to do this ?
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28 views

configuring solr for second role in multicore mode

I am running solr 3.5 on an ubuntu machine in multi core mode. Until now there was only one project. Workes fine for this one. Now I want to add another project and I am having dificulties with the ...
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1answer
97 views

Solr Core Auto Discovery

I'm working on a new Solr install of 4.10.2. Someone else set up a working version, but he has no idea how he did it. I need to be sure I know how to reproduce it so I'm faced with a state where I ...
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441 views

SOlr 4.10.2 500 Internal Server Error Error: {msg=SolrCore 'collection1' is not available due to init failure: Index locked for write

I have a SOLR Master and a Slave running. After upgrading to SOLR 4.10.2, and fixing all other errors, I cannot get pass this one: RSolr::Error::Http - 500 Internal Server Error Error: ...
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76 views

ASP.NET/IIS <---> Solr/Tomcat setup on EC2 - “best practice” configuration

I am an ec2 newbie and deploying an asp.net application that interfaces with Apache solr (on Tomcat). In my dev environment I am running ASP.NET and Solr/Tomcat on my windows box. I am also ...
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102 views

Using SSL to secure Solr with Tomcat - Admin Dash Fails to Load Properly

Tomcat: 7.0.56 / Java: 7 Upd: 71 / Webapp: Solr 4.10.1 / OS: Windows 2012 R2 Busy trying to secure Solr to compensate for the lack of security prevalent for a developer. We're having some difficulty ...
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1answer
3k views

Nginx not caching data

I have a REST API behind an nginx proxy. Proxying works fine, however I am unable to cache any responses. Any help would be much appreciated: Nginx config: worker_processes 10; error_log ...
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1answer
64 views

Apache solr is not accessible by my server but accessible by my localhost

I have a solr installed in my server(centos 6.5).and everything works fine and my conf files exist where they should be. I try to connect to solr by help of search_api_solr module in drupal. ...
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62 views

Solr 4.5, timeouts on cold cache, how to keep it warm?

(not sure if that is more StackOverflow kind of question so pardon me if it is) There is an fairly large index of about 70M documents roughly 30Gb in size running on Solr 4.5. While it is fine with ...
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2answers
425 views

Solr4 installation with Jetty

I am trying to install Solr4 latest and want to run it with Jetty (servlet container). JAVA_HOME=/usr/lib/jvm/jre JAVA_OPTIONS="-Dsolr.solr.home=/opt/solr $JAVA_OPTIONS" JETTY_HOME=/opt/solr ...
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95 views

Having concurrent Nutch Crawls-Solr Indexing failing

We have two jobs Nutch Crawling then indexing-. These jobs uses same nutch library and binaries directories . An example of the directory structure we have in Ubuntu server is shown below. ...
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143 views

Solr Query thread limit

While performing stress tests of our website, it looks like Solr could be bottleneck. It has enough ram, CPU usage is far from 100%, but we still facing problems of waiting for solr response for even ...
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53 views

Sharding Solr : how do we get the most out of our servers?

We've got 4 virtual servers which hosts Solr. Each server has 4 processors (each with a single core) and 32GB RAM. As it is now, the index contains 15 million documents at about 50GB. Right now, ...
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1answer
517 views

Log warnings and errors only in Tomcat

I'm running an instance of Apache Solr with Tomcat 6. The scripts I used for installing configured Tomcat to log "everything" which means that it generates huge logfiles because every query etc. is ...
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2answers
280 views

How to fix Tomcat missing SLF4j logging jars?

I am getting this error when trying to start a new application using Tomcat: Could not find necessary SLF4j logging jars. If using Jetty, the SLF4j logging jars need to go in the jetty lib/ext ...
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1answer
527 views

Monit cannot connect to Solr/Jetty instance

I have my Solr/Jetty up and running well on Ubuntu 12.04. I am trying to hookup my monit conf to monitor it, but it is having trouble connecting to the service. I have Solr running on port 8983 and ...
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121 views

Restart tomcat on two different servers at same time

We are running the Apache solr on two servers. Unfortunately on heavy load of indexing (guess) servers going down. We are manually restarting the tomcat each time. When I google I find the way two ...
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1answer
51 views

Alfresco's SOLR using the wrong drive?

I just did a migration of Alfresco to a new server with a different drive layout. Instead of being on "C", it's now on "E". I changed the alfresco-global.properties references to point to E. ...
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451 views

Solr: Using multiple SQL server data sources results in error: “…\sqljdbc_auth.dll already loaded in another classloader”

I have one Solr instance running in Jetty with JRE 8 with 3 collections (same as cores, yes?) and more to come. I am indexing data from SQL Server, connecting using NTLM as the identity of the Java ...
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158 views

Backup Solr home

I'm new to Solr: I've successfully installed Tomcat and Solr 4.3.1 webapp, and two collections on a CentOS 6.4 machine. Now, my server is in production and I need to make backups of solr. So, I ...
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2answers
318 views

Solr 4.5 uses too much memory on consequent queries, GC runs causing timeouts

There is a index on Solr 4.5 which contains ~50K documents taking ~4Gb on disk. Physical RAM available to JVM is 6Gb (out of total 10Gb on server), OS is 64bit CentOS 5. One of the applications ...
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384 views

Solr process gets killed immediately after starting

I just downloaded solr 4.8.0 from the apache website to my ubuntu 12.04, 64 Bit, 3GB ram VPS server and extracted it. Then I installed the openjdk-7-jre using this command: sudo apt-get install ...
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1k views

how to integrate between MONGODB & SOLR, using MONGO-CONNECTOR

Like this I started my mongod with replSet mod mongod --dbpath=/home/local/ASSYST-COC/so/mongo --replSet myrep --auth mongo started mongo -u root -p root --authenticationDatabase admin IN ...
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503 views

SOLR Error 500: default search field 'name' not defined or not indexed

While I was trying to upgrade from Solr 3.5 to 4.6, I encountered this error. {msg=SolrCore 'core0' is not available due to init failure: default search field 'name' not defined or not indexed. ...
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2answers
71 views

Why server writes much more than reading the disk

I'm running one Ruby on Rails application, I use Passenger Nginx, Ruby on Rails 3.2, search gem Sunspot (which uses Solr as its search engine). My application works ok with around 6K active users but ...
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1answer
2k views

Apache2 + Tomcat : Receiving request through apache2 results in timeout and proxy error

So we use apache as a reverse proxy to send request to our solr (search application) which is hosted in tomcat. We have another server hosted in jboss which sends data in binary format to the apache, ...
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218 views

http error 500 installing apachesolr for drupal 7

I followed tutorial for installing Apachesolr in Drupal 7. Though the tutorial shows "apachesolr 3.4", I downloaded the latest version of it i.e; "apachesolr 4.6.0". I got stuck in middle of tutorial ...
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2answers
2k views

Make Solr server accessible on network

So I've installed Solr on a linux server and I want to access it from another web server and/or my computer. From the Solar Server, I can see that it's running [root@solr ~]# wget -qO- ...
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1answer
767 views

solr reverse proxy Apache2

I am trying to setup Apache2 as Reverse Proxy for solr. Apache and Solr are on the same machine. Apache is serving other stuff as regular web server, too. solsearch config file in ...
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1answer
2k views

How can I install daemon on a CentOS box?

I'm basically looking for the equivalent of : sudo apt-get install daemon From Debian I'm trying to configure a Solr daemon as outlined here http://stackoverflow.com/a/2150888/443779
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692 views

Solr 4.4 with tomcat 6 throws 503 on tomcat manager

System Details: OS: Cent OS 5.5 x86_64 java - 1.7 (1.7.0_25) tomcat : 6.0.37 solr 4.4 (configured for multi-core) I had solr 4.4 multicore running perfectly on jetty (although running just one core ...
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Does Apache Solr 3.x require a reload after posting a Schema.xml?

I'm in a situation where I'm not sure if I can reload the server (I have no access to it), but I need to modify the schema. I'm posting a new schema.xml and it looks successful, but I'm not sure the ...
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414 views

Error enabling DIH on SOLR4

I'm a bit stuck here. I had Solr4.4 working without too many issues. I wanted to enable the DIH so I firstly added these lines to the solrconfig.xml: <lib dir="../contrib/dataimporthandler/lib" ...
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389 views

Solr Replication without using zookeeper

The application that I am currently working on does not need real time indexing. I am using Solr as the indexing engine and I want to setup a High Availability Solr cluster with 2 replica nodes. Seems ...
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121 views

Installed JDBC drivers into Solr

I am running Solr4 on Jetty9 and I am trying to include the JDBC drivers for both MySQL and PostgreSQL. I'm a little confused about how I do this. I believe these to be the two files I need: ...