org/bouncycastle/util/Encodable not found

08:39:30.719 [main] DEBUG cn.com.jit.new_vstk.dataAggregator.AbsRecevieChunk - recevie cost time:0 ms
08:39:30.719 [main] DEBUG jar.org.apache.http.impl.conn.PoolingHttpClientConnectionManager - Connection [id: 1][route: {}->http://192.168.1.222:8000] can be kept alive indefinitely
08:39:30.719 [main] DEBUG jar.org.apache.http.impl.conn.PoolingHttpClientConnectionManager - Connection released: [id: 1][route: {}->http://192.168.1.222:8000][total kept alive: 1; route allocated: 1 of 250; total allocated: 1 of 1000]
Exception in thread "main" java.lang.NoClassDefFoundError: org/bouncycastle/util/Encodable
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at com.jiayingsoft.scip.test.Sign0620.sign(Sign0620.java:130)
	at com.jiayingsoft.scip.test.Sign0620.main(Sign0620.java:30)
Caused by: java.lang.ClassNotFoundException: org.bouncycastle.util.Encodable
	at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 14 more

Process finished with exit code 1