Bad Error Message if DB directory cannot be created

[nob13]

Situation: Database directory could not be created.

[error] ManagedDatabaseDirException: : Could not create database directory java.io.File.toPath()Ljava/nio/file/Path; (ManagedDatabaseDir.scala:22)

[nob13]

Bad Alarm: This happens if Java is 1.6 (OSX) and Files.createTemporaryDirectory is not implemented.
[error] Caused by java.lang.NoSuchMethodError: java.io.File.toPath()Ljava/nio/file/Path;
TODO: Better check Exception. Eventually check JVM Version.