upgrade to Solr 8.6.1 and force Java upgrade

Author: radu-gheorghe

.travis.yml

@@ -3,7 +3,7 @@ dist: focal
 script: "mvn test verify -Dskip.integration.tests=false"
 before_install:
   - sudo apt-get update
-  - sudo apt-get -y install openjdk-11-jdk
+  - sudo apt-get --reinstall -y install openjdk-11-jdk
   - cat /etc/hosts # optionally check the content *before*
   - sudo hostname "$(hostname | cut -c1-63)"
   - sed -e "s/^\\(127\\.0\\.0\\.1.*\\)/\\1 $(hostname | cut -c1-63)/" /etc/hosts | sudo tee /etc/hosts

pom.xml

@@ -91,7 +91,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <solr.version>8.6.0</solr.version>
+        <solr.version>8.6.1</solr.version>
         <junit.version>4.12</junit.version>
         <gson.version>2.5</gson.version>
         <mockito.version>1.10.19</mockito.version>