Fix NPE on shutdown if solr index disabled
Fix NPE on shutdown if solr index disabled
victos/opencms-core,ggiudetti/opencms-core,mediaworx/opencms-core,mediaworx/opencms-core,gallardo/opencms-core,gallardo/opencms-core,ggiudetti/opencms-core,ggiudetti/opencms-core,victos/opencms-core,mediaworx/opencms-core,gallardo/opencms-core,gallardo/opencms-core,alkacon/opencms-core,alkacon/opencms-core,alkacon/opencms-core,ggiudetti/opencms-core,victos/opencms-core,alkacon/opencms-core,victos/opencms-core,mediaworx/opencms-core