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Samebug tips

  1. ,

    A required library class, Doclet, is not loaded. It's usually found in tools.jar in the JDK so make sure to add it (tools.jar) to your project's build path.

  2. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

Solutions on the web

via GitHub by cheister
, 1 year ago
could not load FFI provider jnr.ffi.provider.jffi.Provider
via GitHub by qerub
, 2 years ago
could not load FFI provider jnr.ffi.provider.jffi.Provider
via GitHub by Bahaa2010
, 9 months ago
could not load FFI provider jnr.ffi.provider.jffi.Provider
via GitHub by ralphbellofatto
, 2 years ago
could not load FFI provider jnr.ffi.provider.jffi.Provider
java.lang.UnsatisfiedLinkError: could not load FFI provider jnr.ffi.provider.jffi.Provider at jnr.ffi.provider.InvalidProvider$1.loadLibrary( at jnr.ffi.LibraryLoader.load( at jnr.ffi.Library.loadLibrary( at jnr.posix.POSIXFactory$DefaultLibCProvider$SingletonHolder.<clinit>( at jnr.posix.POSIXFactory$DefaultLibCProvider.getLibC( at jnr.posix.BaseNativePOSIX.<init>( at jnr.posix.LinuxPOSIX.<init>( at jnr.posix.POSIXFactory.loadLinuxPOSIX( at jnr.posix.POSIXFactory.loadNativePOSIX( at jnr.posix.POSIXFactory.loadPOSIX( at jnr.posix.LazyPOSIX.loadPOSIX( at jnr.posix.LazyPOSIX.posix( at jnr.posix.LazyPOSIX.isNative( at org.jruby.RubyGlobal.prepareStdioChannel( at org.jruby.RubyGlobal.initSTDIO( at org.jruby.RubyGlobal.createGlobals( at org.jruby.Ruby.init( at org.jruby.Ruby.newInstance( at org.jruby.Main.internalRun( at at org.jruby.Main.main( by: java.lang.NoClassDefFoundError: com/kenai/jffi/Type at jnr.ffi.provider.jffi.NativeRuntime.jafflType( at jnr.ffi.provider.jffi.NativeRuntime.buildTypeMap( at jnr.ffi.provider.jffi.NativeRuntime.<init>( at jnr.ffi.provider.jffi.NativeRuntime.<init>( at jnr.ffi.provider.jffi.NativeRuntime$SingletonHolder.<clinit>( at jnr.ffi.provider.jffi.NativeRuntime.getInstance( at jnr.ffi.provider.jffi.Provider.<init>( at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance( at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( at java.lang.reflect.Constructor.newInstance( at java.lang.Class.newInstance( at jnr.ffi.provider.FFIProvider$SystemProviderSingletonHolder.getInstance( at jnr.ffi.provider.FFIProvider$SystemProviderSingletonHolder.<clinit>( at jnr.ffi.provider.FFIProvider.getSystemProvider( at jnr.ffi.Library.loadLibrary( ... 18 moreCaused by: java.lang.ClassNotFoundException: com.kenai.jffi.Type at at java.lang.ClassLoader.loadClass( at sun.misc.Launcher$AppClassLoader.loadClass( at java.lang.ClassLoader.loadClass( ... 34 more