[CONNECTORS-1458] Explore upgrading the Solr connector to SolrJ 7.0.0

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: ManifoldCF 2.8.1
• Fix Version/s: ManifoldCF 2.9
• Component/s: Lucene/SOLR connector
• Assignee: Karl Wright
• Reporter: Karl Wright
• Created: 26/Sep/17 05:17
• Updated: 26/Sep/17 06:37
• Resolved: 26/Sep/17 06:37

Description

We need to bring our SolrJ dependency up to date, since SolrJ 7.0.0 was just released.

I did some preliminary dependency analysis using mvn dependency:tree and found that the following required dependencies are present:

[INFO] +- org.apache.solr:solr-solrj:jar:7.0.0:compile
[INFO] |  +- org.apache.commons:commons-math3:jar:3.4.1:compile
[INFO] |  +- org.codehaus.woodstox:stax2-api:jar:3.1.4:compile
[INFO] |  +- org.codehaus.woodstox:woodstox-core-asl:jar:4.4.1:compile
[INFO] |  \- org.slf4j:jcl-over-slf4j:jar:1.7.7:compile

There is, however, no explicit dependency on httpcomponents/httpclient anymore, so I realized I'd better look at the optional dependencies, as listed here:

https://mvnrepository.com/artifact/org.apache.solr/solr-solrj/7.0.0

These include:

httpcomponents/httpclient 4.4.1 (we're at 4.5.3 so we're good there)
zookeeper 3.4.10 (need to update)
woodstox-core-asl 4.4.1 (need to update)
noggit 0.8 (need to update)
slf4j-api 1.7.7 (need to update)