标签:oda nbsp imp create ini run tip ati 构造
Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at: org.apache.spark.SparkContext.<init>(SparkContext.scala:82) com.demo.sadsa.SparkDemo(sadsa.scala:26) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
原因:
尝试在已启动SparkContext的相同JVM中实例化另一个SparkContext时,SparkContext构造函数将引发异常。
解决方法:spark.driver.allowMultipleContexts = true关闭异常。
标签:oda nbsp imp create ini run tip ati 构造
原文地址:https://www.cnblogs.com/kxgdby/p/8986628.html