https://community.databricks.com/t5/data-engineering/jdbc-driver-error/m-p/35692#M25948 <P><SPAN>connect to databricks unity catalog and meet this error java.sql.SQLException: [Databricks][DatabricksJDBCDriver](500540) Error caught in BackgroundFetcher. Foreground thread ID: 59. Background thread ID: 61. Error caught: null. at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) com.databricks.client.support.exceptions.GeneralException: [Databricks][DatabricksJDBCDriver](500540) Error caught in BackgroundFetcher. Foreground thread ID: 59. Background thread ID: 61. Error caught: null. at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) java.lang.ExceptionInInitializerError at com.databricks.client.jdbc42.internal.apache.arrow.memory.ArrowBuf.getDirectBuffer(ArrowBuf.java:228) at com.databricks.client.jdbc42.internal.apache.arrow.memory.ArrowBuf.nioBuffer(ArrowBuf.java:223) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.ReadChannel.readFully(ReadChannel.java:87) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.message.MessageSerializer.readMessageBody(MessageSerializer.java:727) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.message.MessageSerializer.deserializeRecordBatch(MessageSerializer.java:363) at com.databricks.client.spark.arrow.ArrowBuffer.deserializeBatch(Unknown Source) at com.databricks.client.spark.arrow.ArrowBuffer.handleInitializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.HiveServer2BaseBuffer.initializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.RowsetBuffer.initializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.getRowSetInformation(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.fetchFromServer(Unknown Source) at com.databricks.client.spark.jdbc.DowloadableFetchClient.fetchNRows(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.fetchRows(Unknown Source) at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833)</SPAN></P> Wed, 28 Jun 2023 14:29:54 GMT dprutean 2023-06-28T14:29:54Z https://community.databricks.com/t5/data-engineering/jdbc-driver-error/m-p/35692#M25948 <P><SPAN>connect to databricks unity catalog and meet this error java.sql.SQLException: [Databricks][DatabricksJDBCDriver](500540) Error caught in BackgroundFetcher. Foreground thread ID: 59. Background thread ID: 61. Error caught: null. at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) com.databricks.client.support.exceptions.GeneralException: [Databricks][DatabricksJDBCDriver](500540) Error caught in BackgroundFetcher. Foreground thread ID: 59. Background thread ID: 61. Error caught: null. at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) java.lang.ExceptionInInitializerError at com.databricks.client.jdbc42.internal.apache.arrow.memory.ArrowBuf.getDirectBuffer(ArrowBuf.java:228) at com.databricks.client.jdbc42.internal.apache.arrow.memory.ArrowBuf.nioBuffer(ArrowBuf.java:223) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.ReadChannel.readFully(ReadChannel.java:87) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.message.MessageSerializer.readMessageBody(MessageSerializer.java:727) at com.databricks.client.jdbc42.internal.apache.arrow.vector.ipc.message.MessageSerializer.deserializeRecordBatch(MessageSerializer.java:363) at com.databricks.client.spark.arrow.ArrowBuffer.deserializeBatch(Unknown Source) at com.databricks.client.spark.arrow.ArrowBuffer.handleInitializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.HiveServer2BaseBuffer.initializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.RowsetBuffer.initializeBuffer(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.getRowSetInformation(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.fetchFromServer(Unknown Source) at com.databricks.client.spark.jdbc.DowloadableFetchClient.fetchNRows(Unknown Source) at com.databricks.client.hivecommon.api.HS2Client.fetchRows(Unknown Source) at com.databricks.client.hivecommon.dataengine.BackgroundFetcher.run(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833)</SPAN></P> Wed, 28 Jun 2023 14:29:54 GMT https://community.databricks.com/t5/data-engineering/jdbc-driver-error/m-p/35692#M25948 dprutean 2023-06-28T14:29:54Z