Forge seems to be proxying java.nio.Path instances -------------------------------------------------- Key: FORGE-2674 URL: https://issues.jboss.org/browse/FORGE-2674 Project: Forge Issue Type: Bug Reporter: Jess Sightler Class name: org.javassist.tmp.java.nio.file.Path_$$_javassist_e2aee44f-1c2f-4dea-9465-cd181bb52a83 ClassLoader: ModuleClassLoader for Module "org.jboss.windup.exec.windup-exec:3.0.0-SNAPSHOT_45979342-4d41-4637-84bf-5f11f9de6cb8" from AddonModuleLoader Calling Files.isDirectory with this proxy object results in the following exception: Windup Execution failed due to: org.javassist.tmp.java.io.Closeable_$$_javassist_43fd2113-1fd1-4d0d-a9f6-7bf2667e61ab cannot be cast to java.nio.file.FileSystem java.lang.ClassCastException: org.javassist.tmp.java.io.Closeable_$$_javassist_43fd2113-1fd1-4d0d-a9f6-7bf2667e61ab cannot be cast to java.nio.file.FileSystem at org.javassist.tmp.java.nio.file.Path_$$_javassist_e2aee44f-1c2f-4dea-9465-cd181bb52a83.getFileSystem(Path_$$_javassist_e2aee44f-1c2f-4dea-9465-cd181bb52a83.java) at java.nio.file.Files.provider(Files.java:97) at java.nio.file.Files.readAttributes(Files.java:1737) at java.nio.file.Files.isDirectory(Files.java:2192) at org.jboss.windup.ext.groovy.GroovyWindupRuleProviderLoader.getScripts(GroovyWindupRuleProviderLoader.java:184)