If you are building master branch, only JDK 8 is supported. But for branch-0.8 JDK 7 and 8 are both supported
Artur Rataj <arturra...@gmail.com> 于2019年10月30日周三 下午8:55写道： > Not related to Zeppelin. A problem with a particular installation of JDK8 > which showed when the build system did not run $JAVA_HOME/bin/java, but > instead $JAVA_HOME/jre/bin/java. > > On Wed, Oct 30, 2019 at 10:56 AM Artur Rataj <arturra...@gmail.com> wrote: > >> Hi, I have a problem building Zeppelin from sources. >> https://zeppelin.apache.org/docs/latest/setup/basics/how_to_build.html says >> that JDK7 is needed, but pom.xml contains now java.version 1.8. >> >> When I use JDK 7, I get >> >> [ERROR] Failed to execute goal >> org.apache.maven.plugins:maven-compiler-plugin:3.1:compile >> (default-compile) on project zeppelin-interpreter: Fatal error compiling: >> invalid target release: 1.8 -> [Help 1] >> >> When I use JDK 8, I get >> >> INFO] /home/art/src/zeppelin-master/zeppelin-display/src/main/scala:-1: >> info: compiling >> [INFO] Compiling 6 source files to >> /home/art/src/zeppelin-master/zeppelin-display/target/classes at >> 1572428954441 >> [DEBUG] use java command with args in file forced : false >> [DEBUG] plugin jar to add >> :/home/art/.m2/repository/org/scala-tools/maven-scala-plugin/2.15.2/maven-scala-plugin-2.15.2.jar >> [DEBUG] cmd: /home/art/local/jdk1.8.0_221/jre/bin/java -classpath >> /home/art/.m2/repository/org/scala-lang/scala-compiler/2.11.8/scala-compiler-2.11.8.jar:/home/art/.m2/repository/org/scala-lang/scala-library/2.11.4/scala-library-2.11.4.jar:/home/art/.m2/repository/org/scala-lang/scala-library/2.11.6/scala-library-2.11.6.jar:/home/art/.m2/repository/org/scala-lang/scala-library/2.11.8/scala-library-2.11.8.jar:/home/art/.m2/repository/org/scala-lang/modules/scala-parser-combinators_2.11/1.0.4/scala-parser-combinators_2.11-1.0.4.jar:/home/art/.m2/repository/org/scala-lang/modules/scala-xml_2.11/1.0.4/scala-xml_2.11-1.0.4.jar:/home/art/.m2/repository/org/scala-lang/scala-reflect/2.11.8/scala-reflect-2.11.8.jar:/home/art/.m2/repository/org/scala-tools/maven-scala-plugin/2.15.2/maven-scala-plugin-2.15.2.jar >> -Xbootclasspath/a:/home/art/.m2/repository/org/scala-lang/scala-library/2.11.8/scala-library-2.11.8.jar >> org_scala_tools_maven_executions.MainWithArgsInFile scala.tools.nsc.Main >> /tmp/scala-maven-3071075476901874784.args >> [INFO] <JAVA_HOME>/lib/ext exists, extensions mechanism no longer >> supported; Use -classpath instead. >> [ERROR] .Error: Could not create the Java Virtual Machine. >> [ERROR] Error: A fatal exception has occurred. Program will exit. >> >> -- Best Regards Jeff Zhang
