Hello,   I'm trying to use a NIFI DBCP connection pool with:   db connection url: jdbc:impala://myhost:21050/ddl_db;ssl=1;sslTrustStore=/opt/nifi/ssl/cm-auto-global_truststore.jks   Database Driver Class Name: com.cloudera.impala.jdbc41.Driver   Using ClouderaImpala_JDBC_2.6.12.1013/ImpalaJDBC41.jar   When attempting to run a simple "select 123 as col" from and ExecuteSQL processor, I'm getting the following:   java.lang.NoClassDefFoundError: Could not initialize class com.cloudera.impala.jdbc41.internal.apache.thrift.transport.TSocket at com.cloudera.impala.hivecommon.api.TETSSLTransportFactory.createClient(Unknown Source) at com.cloudera.impala.hivecommon.api.TETSSLTransportFactory.getClientSocket(Unknown Source) at com.cloudera.impala.hivecommon.api.HiveServer2ClientFactory.createTransport(Unknown Source) at com.cloudera.impala.hivecommon.api.ServiceDiscoveryFactory.createClient(Unknown Source) at com.cloudera.impala.hivecommon.core.HiveJDBCCommonConnection.establishConnection(Unknown Source) at com.cloudera.impala.impala.core.ImpalaJDBCConnection.establishConnection(Unknown Source) at com.cloudera.impala.jdbc.core.LoginTimeoutConnection.connect(Unknown Source) at com.cloudera.impala.jdbc.common.BaseConnectionFactory.doConnect(Unknown Source) at com.cloudera.impala.jdbc.common.AbstractDriver.connect(Unknown Source) at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:53) at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:291) at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2395) at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2381) at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2110) at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1563) at org.apache.nifi.dbcp.DBCPConnectionPool.getConnection(DBCPConnectionPool.java:305) at org.apache.nifi.dbcp.DBCPService.getConnection(DBCPService.java:49) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:84) at com.sun.proxy.$Proxy87.getConnection(Unknown Source) at org.apache.nifi.processors.standard.AbstractExecuteSQL.onTrigger(AbstractExecuteSQL.java:195) at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27) at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165) at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203) at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)   Any help from the community would be greatly appreciated!   ... View more