Failed to execute goal org.asciidoctor:asciidoctor-maven-plugin --------------------------------------------------------------- Key: ISPN-9551 URL: https://issues.jboss.org/browse/ISPN-9551 Project: Infinispan Issue Type: Bug Reporter: Diego Lovison Assignee: Tristan Tarrant Fix For: 9.4.0.Final When building Infinispan, the build is failing. mvn clean install -f pom.xml -s settings.xml -DskipTests=true -Dcheckstyle.skip -Pdistribution {noformat} [INFO] Infinispan Documentation ........................... FAILURE [01:33 min] [INFO] Infinispan Doclets ................................. SKIPPED [INFO] Infinispan JavaDoc Embedded ........................ SKIPPED [INFO] Infinispan JavaDoc Remote .......................... SKIPPED [INFO] Infinispan JavaDoc All ............................. SKIPPED [INFO] Infinispan Distribution ............................ SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 16:35 min [INFO] Finished at: 2018-09-27T09:10:16-04:00 [INFO] Final Memory: 931M/1703M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.asciidoctor:asciidoctor-maven-plugin:1.5.6:process-asciidoc (pdf) on project infinispan-docs: Execution pdf of goal org.asciidoctor:asciidoctor-maven-plugin:1.5.6:process-asciidoc failed: org.jruby.exceptions.RaiseException: (NoMethodError) undefined method `encoding' for nil:NilClass -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :infinispan-docs + '[' 1 '!=' 0 ']' {noformat}