PyCharm中通过pyspark调用spark报错的解决办法

1. 问题：PyCharm中通过pyspark无法调起spark
   2019-10-16 20:39:09,343 | Dummy-1:22492 | django.db.backends:90 | utils:execute | DEBUG | (0.000) SELECT @@SQL_AUTO_IS_NULL; args=None
   2019-10-16 20:39:09,344 | Dummy-1:22492 | django.db.backends:90 | utils:execute | DEBUG | (0.000) SELECT VERSION(); args=None
   System check identified no issues (0 silenced).
   2019-10-16 20:39:09,923 | Dummy-1:22492 | django.db.backends:90 | utils:execute | DEBUG | (0.003) SHOW FULL TABLES; args=None
   2019-10-16 20:39:09,927 | Dummy-1:22492 | django.db.backends:90 | utils:execute | DEBUG | (0.002) SELECT django_migrations.app, django_migrations.name FROM django_migrations; args=()
   October 16, 2019 - 20:39:09
   Django version 1.10.1, using settings ‘mysite.settings’
   Starting development server at http://0.0.0.0:8001/
   Quit the server with CTRL-BREAK.
   2019-10-16 20:39:22,058 | Thread-4:15288 | django.db.backends:90 | utils:execute | DEBUG | (0.000) SELECT @@SQL_AUTO_IS_NULL; args=None
   2019-10-16 20:39:22,058 | Thread-4:15288 | django.db.backends:90 | utils:execute | DEBUG | (0.000) SELECT VERSION(); args=None
   2019-10-16 20:39:22,070 | Thread-4:15288 | django.db.backends:90 | utils:execute | DEBUG | (0.000) SELECT django_session.session_key, django_session.session_data, django_session.expire_date FROM django_session WHERE (django_session.session_key = ‘k4micifggqpl2xjc4wapt12wwq0j12b3’ AND django_session.expire_date > ‘2019-10-16 20:39:22’); args=(‘k4micifggqpl2xjc4wapt12wwq0j12b3’, ‘2019-10-16 20:39:22’)
   2019-10-16 20:39:22,073 | Thread-4:15288 | django.db.backends:90 | utils:execute | DEBUG | (0.001) SELECT auth_user.id, auth_user.password, auth_user.last_login, auth_user.is_superuser, auth_user.username, auth_user.first_name, auth_user.last_name, auth_user.email, auth_user.is_staff, auth_user.is_active, auth_user.date_joined FROM auth_user WHERE auth_user.id = 1; args=(1,)
   Using Spark’s default log4j profile: org/apache/spark/log4j-defaults.properties
   19/10/16 20:39:22 ERROR SparkUncaughtExceptionHandler: Uncaught exception in thread Thread[main,5,main]
   java.util.NoSuchElementException: key not found: _PYSPARK_DRIVER_CALLBACK_HOST
   at scala.collection.MapLike$class.default(MapLike.scala:228)atscala.collection.AbstractMap.default(Map.scala:58)atscala.collection.MapLike$class.apply(MapLike.scala:141)
   at scala.collection.AbstractMap.apply(Map.scala:58)
   at org.apache.spark.api.python.PythonGatewayServerKaTeX parse error: Can't use function '$' in math mode at position 8: anonfun$̲main$1.apply$mc…runMain(SparkSubmit.scala:731)
   at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)atorg.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
   at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
   at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
   19/10/16 20:39:22 INFO ShutdownHookManager: Shutdown hook called
   2019-10-16 20:39:23,355 | Thread-4:15288 | django.server:131 | basehttp:log_message | ERROR | “GET /cif/cifmas_echart_0002/ HTTP/1.1” 500 102233

2. 解决方法：在pycharm中增加变量，指向 spark目录即可。