PySpark iforest.fit() method error

[victorming666]

Spark version: 2.3.2 Python: 3.6

Exception ignored in: <object repr() failed> Traceback (most recent call last): File "/usr/hdp/current/spark-client/python/pyspark/ml/wrapper.py", line 105, in del SparkContext._active_spark_context._gateway.detach(self._java_obj) AttributeError: 'IForest' object has no attribute '_java_obj'

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Py4JJavaError Traceback (most recent call last) in 24 25 # 训练模型 ---> 26 model = iforest.fit(powerDF4) 27 28 # 模型总结

/usr/hdp/current/spark-client/python/pyspark/ml/base.py in fit(self, dataset, params) 130 return self.copy(params)._fit(dataset) 131 else: --> 132 return self._fit(dataset) 133 else: 134 raise ValueError("Params must be either a param map or a list/tuple of param maps, "

/usr/hdp/current/spark-client/python/pyspark/ml/wrapper.py in _fit(self, dataset) 286 287 def _fit(self, dataset): --> 288 java_model = self._fit_java(dataset) 289 model = self._create_model(java_model) 290 return self._copyValues(model)

/usr/hdp/current/spark-client/python/pyspark/ml/wrapper.py in _fit_java(self, dataset) 283 """ 284 self._transfer_params_to_java() --> 285 return self._java_obj.fit(dataset._jdf) 286 287 def _fit(self, dataset):

/usr/hdp/current/spark-client/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py in call(self, *args) 1255 answer = self.gateway_client.send_command(command) 1256 return_value = get_return_value( -> 1257 answer, self.gateway_client, self.target_id, self.name) 1258 1259 for temp_arg in temp_args:

/usr/hdp/current/spark-client/python/pyspark/sql/utils.py in deco(*a, **kw) 61 def deco(*a, **kw): 62 try: ---> 63 return f(*a, **kw) 64 except py4j.protocol.Py4JJavaError as e: 65 s = e.java_exception.toString()

/usr/hdp/current/spark-client/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name) 326 raise Py4JJavaError( 327 "An error occurred while calling {0}{1}{2}.\n". --> 328 format(target_id, ".", name), value) 329 else: 330 raise Py4JError(

Py4JJavaError: An error occurred while calling o850.fit. : java.lang.NoSuchMethodError: org.apache.spark.ml.util.Instrumentation$.instrumented(Lscala/Function1;)Ljava/lang/Object; at org.apache.spark.ml.iforest.IForest.fit(IForest.scala:495) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at py4j.Gateway.invoke(Gateway.java:282) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:238) at java.lang.Thread.run(Thread.java:750)