請幫助reolve這個問題我所有可能的實現步驟,憑證是正確的,我沒有使用免費試用帳戶,我在看教程,我使用了相同的代碼,所有的一切都是在教程說但是我這個奇怪的錯誤- - - - - - -
ExecutionError:調用o390.mount時發生一個錯誤。
:java.lang.NullPointerException
shaded.databricks.azurebfs.org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.getTokenCall (AzureADAuthenticator.java: 320)
shaded.databricks.azurebfs.org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.getTokenCall (AzureADAuthenticator.java: 287)
shaded.databricks.azurebfs.org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.getTokenUsingClientCreds (AzureADAuthenticator.java: 110)
com.databricks.backend.daemon.dbutils.DBUtilsCore.verifyAzureOAuth (DBUtilsCore.scala: 1107)
com.databricks.backend.daemon.dbutils.DBUtilsCore.verifyAzureFileSystem (DBUtilsCore.scala: 1119)
com.databricks.backend.daemon.dbutils.DBUtilsCore.createOrUpdateMount (DBUtilsCore.scala: 1003)
com.databricks.backend.daemon.dbutils.DBUtilsCore。anonfun山1美元美元(DBUtilsCore.scala: 1051)
在com.databricks.logging.UsageLogging。anonfun recordOperation美元1美元(UsageLogging.scala: 555)
com.databricks.logging.UsageLogging.executeThunkAndCaptureResultTags 1美元(UsageLogging.scala: 650)
在com.databricks.logging.UsageLogging。美元anonfun recordOperationWithResultTags 4美元(UsageLogging.scala: 671)
在com.databricks.logging.UsageLogging。anonfun withAttributionContext美元1美元(UsageLogging.scala: 412)
scala.util.DynamicVariable.withValue (DynamicVariable.scala: 62)
com.databricks.logging.AttributionContext .withValue美元(AttributionContext.scala: 158)
com.databricks.logging.UsageLogging.withAttributionContext (UsageLogging.scala: 410)
在com.databricks.logging.UsageLogging.withAttributionContext (UsageLogging.scala: 407美元)
com.databricks.backend.daemon.dbutils.FSUtils.withAttributionContext (DBUtilsCore.scala: 69)
com.databricks.logging.UsageLogging.withAttributionTags (UsageLogging.scala: 455)
在com.databricks.logging.UsageLogging.withAttributionTags (UsageLogging.scala: 440美元)
com.databricks.backend.daemon.dbutils.FSUtils.withAttributionTags (DBUtilsCore.scala: 69)
com.databricks.logging.UsageLogging.recordOperationWithResultTags (UsageLogging.scala: 645)
在com.databricks.logging.UsageLogging.recordOperationWithResultTags (UsageLogging.scala: 564美元)
com.databricks.backend.daemon.dbutils.FSUtils.recordOperationWithResultTags (DBUtilsCore.scala: 69)
com.databricks.logging.UsageLogging.recordOperation (UsageLogging.scala: 555)
在com.databricks.logging.UsageLogging.recordOperation (UsageLogging.scala: 525美元)
com.databricks.backend.daemon.dbutils.FSUtils.recordOperation (DBUtilsCore.scala: 69)
com.databricks.backend.daemon.dbutils.FSUtils.recordDbutilsFsOp (DBUtilsCore.scala: 133)
com.databricks.backend.daemon.dbutils.DBUtilsCore.mount (DBUtilsCore.scala: 1045)
在sun.reflect.NativeMethodAccessorImpl。invoke0(本地方法)
sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java: 62)
sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java: 43)
java.lang.reflect.Method.invoke (Method.java: 498)
py4j.reflection.MethodInvoker.invoke (MethodInvoker.java: 244)
py4j.reflection.ReflectionEngine.invoke (ReflectionEngine.java: 380)
py4j.Gateway.invoke (Gateway.java: 306)
py4j.commands.AbstractCommand.invokeMethod (AbstractCommand.java: 132)
py4j.commands.CallCommand.execute (CallCommand.java: 79)
py4j.ClientServerConnection.waitForCommands (ClientServerConnection.java: 195)
py4j.ClientServerConnection.run (ClientServerConnection.java: 115)
java.lang.Thread.run (Thread.java: 750)
