more detail on patch-module error

contents of build.xml the good news is that seems to be recognised by javac the bad news is when running >ant compile build.xml:16: Error starting modern compiler javac -version 9.04 ant -version Apache Ant(TM) versi

quick question

i am encountering this situation https://github.com/javapathfinder/jpf-core/issues/27 suggested mitigation is to pass --patch-module java.base=src to point to local source javac --patch-module java.base=src -d build \ src/java.base/java/util/concurrent/ConcurrentHashMap.java how does task a