frompy4j.java_gatewayimportJavaGatewaydefmain():# 步骤 2:创建一个Py4J Gateway对象gateway=JavaGateway()try:# 步骤 3:启动Gateway进程gateway.start()# 步骤 4:创建一个Java对象simple_class=gateway.jvm.com.example.SimpleClass# 步骤 5:调用Java对象的方法result=simple_class.someMethod()print(result)finally...
PY4J.PROTOCOL.PY4JERROR: ORG.APACHE.SPARK.API.PYTHON.PYTHONUTILS... DOES NOT EXIST IN THE JVM 百度解决办法有的说是java虚拟内存设置问题,经过排查发现并非如此 实则因为程序找不到spark,最终解决办法 #pip安装findsparkpip install findspark #在程序中添加一以下代码importfindspark findspark.init() 至此,程...
PY4J.PROTOCOL.PY4JERROR: ORG.APACHE.SPARK.API.PYTHON.PYTHONUTILS... DOES NOT EXIST IN THE JVM 百度解决办法有的说是java虚拟内存设置问题,经过排查发现并非如此 实则因为程序找不到spark,最终解决办法 #pip安装findspark pip install findspark 1. 2. #在程序中添加一以下代码 import findspark findspark.in...
py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils.getPythonAuthSocketTimeout does not exist in the JVM 原因: 找不到spark,需要通过工具发现,方案如下 1 2 importfindspark findspark.init()
n"+proto.END_COMMAND_PART)ifanswer==proto.SUCCESS_PACKAGE:returnJavaPackage(name,self._gateway_client,jvm_id=self._id)elifanswer.startswith(proto.SUCCESS_CLASS):returnJavaClass(answer[proto.CLASS_FQN_START:],self._gateway_client)else:raisePy4JError("{0} does not exist in the JVM".format(...
如图:如果不对前两句加注释,可以执行。否则报py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils.getEncryptionEnabled does not exist in the JVM
CURL错误列表 curl_exec($ch);//执行curl if (curl_errno($ch)) { echo 'Curl error: ' ....
GO中调用redis时，实始化一个连接池，做法也是一般的用户： &redis.Pool{ MaxIdle: beego.Ap...
hive.HiveCatalog does not exist in the JVM ${FLINK_HOME}/lib: lib ├── flink-connector-jdbc_2.11-1.11.2.jar ├── flink-csv-1.11.2.jar ├── flink-dist_2.12-1.11.2.jar ├── flink-hadoop-compatibility_2.12-1.11.2.jar ├── flink-json-1.11.2.jar ├── flink-shaded-...