我在Lubuntu 18.0.4上使用Java 8 Azul ZuluFX。我在一个项目上运行：
mvn clean package
但是我得到这个错误（简化）：
[ERROR] Failure executing javac, but could not parse the error:
[ERROR] [parsing started RegularFileObject[/home/marco/sources/tgtools.activiti.explorer/src/main/java/tgtools/activiti/explorer/config/Constants.java]]
[ERROR] [parsing completed 13ms]
[many others...]
[ERROR] [search path for class files: /home/marco/.sdkman/candidates/java/8.0.212-zulu/jre/lib/rt.jar;[many others...]
[ERROR] Fatal Error: Unable to find package java.lang in classpath or bootclasspath
我检查并发现/home/marco/.sdkman/candidates/java/8.0.212-zulu/jre/lib/rt.jar存在，并且显然其中包含java/lang个文件夹及其内部的类。
我有Maven 3.6.0