Exception in thread "main" java.lang.IllegalStateException: Failed to create unpack directory in directory '/lib'
at org.springframework.boot.loader.archive.JarFileArchive.createUnpackDirectory(JarFileArchive.java:136)
at org.springframework.boot.loader.archive.JarFileArchive.getTempUnpackDirectory(JarFileArchive.java:122)
at org.springframework.boot.loader.archive.JarFileArchive.getUnpackedNestedArchive(JarFileArchive.java:112)
at org.springframework.boot.loader.archive.JarFileArchive.getNestedArchive(JarFileArchive.java:96)
at org.springframework.boot.loader.archive.JarFileArchive$NestedArchiveIterator.adapt(JarFileArchive.java:236)
at org.springframework.boot.loader.archive.JarFileArchive$NestedArchiveIterator.adapt(JarFileArchive.java:227)
at org.springframework.boot.loader.archive.JarFileArchive$AbstractIterator.next(JarFileArchive.java:188)
at org.springframework.boot.loader.ExecutableArchiveLauncher.createClassLoader(ExecutableArchiveLauncher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:55)
at org.springframework.boot.loader.WarLauncher.main(WarLauncher.java:59)