Hello ,   I need some help with connectivity issues from Spring applicaiton to Impala views: The configuration of the Datasource bean is being made as follows:   <bean id="customerDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.cloudera.impala.jdbc41.Driver" /> <property name="url" value="jdbc:impala://<server_name>.com:21050/<database_name>;AuthMech=3;SSL=1;UID=<user_id>;PWD=<password>;CAIssuedCertNamesMismatch=1" /> <property name="username" value="user" /> <property name="password" value="pass" /> </bean> However when trying to launch the applciation , the bean creation itself is failin with the following error: Caused by: java.sql.SQLException: [Simba][ImpalaJDBCDriver](500164) Error initialized or created transport for authentication: null. at com.cloudera.hivecommon.api.HiveServer2ClientFactory.createTransport(Unknown Source) at com.cloudera.hivecommon.api.HiveServer2ClientFactory.createClient(Unknown Source) at com.cloudera.hivecommon.core.HiveJDBCCommonConnection.connect(Unknown Source) at com.cloudera.jdbc.common.BaseConnectionFactory.doConnect(Unknown Source) at com.cloudera.jdbc.common.AbstractDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriverManager(DriverManagerDataSource.java:173) at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:164) at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:153) at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:119) at org.springframework.batch.item.database.AbstractCursorItemReader.initializeConnection(AbstractCursorItemReader.java:422) at org.springframework.batch.item.database.AbstractCursorItemReader.doOpen(AbstractCursorItemReader.java:402) at org.springframework.batch.item.support.AbstractItemCountingItemStreamItemReader.open(AbstractItemCountingItemStreamItemReader.java:139) at org.springframework.batch.item.support.CompositeItemStream.open(CompositeItemStream.java:96) at org.springframework.batch.core.step.item.ChunkMonitor.open(ChunkMonitor.java:115) at org.springframework.batch.item.support.CompositeItemStream.open(CompositeItemStream.java:96) at org.springframework.batch.core.step.tasklet.TaskletStep.open(TaskletStep.java:306) at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:192) at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:137) at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64) at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60) at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:152) at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:131) at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135) at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:301) at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:134) at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49) at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:127)   Can someone please let me know what configuration needs to be changed to resolve this   ... View more