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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$1.loadLibrary(InvalidProvider.java:48) at jnr.ffi.LibraryLoader.load(LibraryLoader.java:325) at jnr.ffi.Library.loadLibrary(Library.java:127) at jnr.posix.POSIXFactory$DefaultLibCProvider$SingletonHolder.<clinit>(POSIXFactory.java:279) at jnr.posix.POSIXFactory$DefaultLibCProvider.getLibC(POSIXFactory.java:283) at jnr.posix.BaseNativePOSIX.<init>(BaseNativePOSIX.java:37) at jnr.posix.LinuxPOSIX.<init>(LinuxPOSIX.java:18) at jnr.posix.POSIXFactory.loadLinuxPOSIX(POSIXFactory.java:143) at jnr.posix.POSIXFactory.loadNativePOSIX(POSIXFactory.java:121) at jnr.posix.POSIXFactory.loadPOSIX(POSIXFactory.java:90) at jnr.posix.LazyPOSIX.loadPOSIX(LazyPOSIX.java:36) at jnr.posix.LazyPOSIX.posix(LazyPOSIX.java:32) at jnr.posix.LazyPOSIX.isNative(LazyPOSIX.java:378) at org.jruby.RubyGlobal.prepareStdioChannel(RubyGlobal.java:295) at org.jruby.RubyGlobal.initSTDIO(RubyGlobal.java:272) at org.jruby.RubyGlobal.createGlobals(RubyGlobal.java:199) at org.jruby.Ruby.init(Ruby.java:1190) at org.jruby.Ruby.newInstance(Ruby.java:334) at org.jruby.Main.internalRun(Main.java:271) at org.jruby.Main.run(Main.java:232) at org.jruby.Main.main(Main.java:204)Caused by: java.lang.NoClassDefFoundError: com/kenai/jffi/Type at jnr.ffi.provider.jffi.NativeRuntime.jafflType(NativeRuntime.java:193) at jnr.ffi.provider.jffi.NativeRuntime.buildTypeMap(NativeRuntime.java:76) at jnr.ffi.provider.jffi.NativeRuntime.<init>(NativeRuntime.java:57) at jnr.ffi.provider.jffi.NativeRuntime.<init>(NativeRuntime.java:41) at jnr.ffi.provider.jffi.NativeRuntime$SingletonHolder.<clinit>(NativeRuntime.java:53) at jnr.ffi.provider.jffi.NativeRuntime.getInstance(NativeRuntime.java:49) at jnr.ffi.provider.jffi.Provider.<init>(Provider.java:29) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at java.lang.Class.newInstance(Class.java:442) at jnr.ffi.provider.FFIProvider$SystemProviderSingletonHolder.getInstance(FFIProvider.java:68) at jnr.ffi.provider.FFIProvider$SystemProviderSingletonHolder.<clinit>(FFIProvider.java:57) at jnr.ffi.provider.FFIProvider.getSystemProvider(FFIProvider.java:35) at jnr.ffi.Library.loadLibrary(Library.java:114) ... 18 moreCaused by: java.lang.ClassNotFoundException: com.kenai.jffi.Type at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 34 more