solr-common is old. Try to include solr-core:8.4.1 in your project instead (from Maven)
Check this example if you’re stuck: https://github.com/cominvent/solr-mapping-processor Jan > 24. feb. 2020 kl. 14:03 skrev Sachin Divekar <ssd...@gmail.com>: > > Hi, > > I am developing a custom update processor. I am using solr-common.jar:1.3.0 > which I found on Maven. > > I am studying the code in Solr repo. I found there are many methods > available in src/java/org/apache/solr/common/SolrInputDocument.java which > are not available for me after importing solr-common.jar:1.3.0 in my > project. For example getValue(), setField(), etc. > > What am I missing? Can I download the latest solr-common.jar from any > official source? Or can I build it from Solr codebase? I checked build.xml but > did not find the task for building solr-common.jar. > > Thanks > Sachin