Impala odbc connection timeout. If --accepted_client_cnxn_timeout=0, i.

Impala odbc connection timeout Sebastiano. Through ODBC/JDBC the connection can become inactive when Impala is executing the query, if the client tries to use a closed connection the call fails. The core development language with Impala is SQL. However when using the same ODBC connection on a python script or a PowerBI dashboard, it re Saturno - Impala SQL Tools via ODBC Saturno is a Visual Studio Code extension designed to facilitate connectivity and querying of Impala databases using ODBC. Blank for the ODBC 2. Depending on how busy your cluster is, you might increase or decrease various timeout values. To connect to an Impala server, you must configure the Simba Impala ODBC Connector to use the authentication mechanism that matches the access requirements of the server and provides the necessary credentials. impalaodbc. Increase timeouts if Impala is cancelling operations prematurely, when the system is responding slower than usual but the operations are still successful if given extra time. Feb 6, 2015 · Impala JDBC Connector 2. I installed all thing to connection but I do not how to connect Impala Server to jdbc client. However when using the same ODBC connection on a python script or a PowerBI dashboard, it returns the error: ODBC: ERROR [HY000] [Cloudera] [DriverSupport] (1110) Unexpected response received Tableau Community ForumsLoading Sorry to interrupt CSS Error Refresh Jan 2, 2023 · I have a Power BI with ODBC Connection to Impala. Data. Any suggestion? Regards. Jun 4, 2019 · Apache Impala is an open source massively parallel processing (MPP) SQL query engine for data stored on bigdata Hadoop. 19. The Cloudera ODBC Connector for Apache Impala complies with the ODBC 3. Nov 30, 2020 · Application developers have a number of options to interface with Impala. Impala checks periodically for idle sessions and queries to cancel. Auto Reconnect You can configure the driver to automatically attempt reconnection to the Impala server if communications are lost. x drivers exclusively for most ODBC applications connecting to Impala. The Cloudera ODBC Driver for Impala complies with the ODBC 3. However, we keep getting an - 55438 Create a Cloudera Impala connection To access your data stored on an Cloudera Impala database, you will need to know the server and database name that you want to connect to, and you must have access credentials. Introduction: Sometimes while refreshing our dataset in PowerBI or importing new data from existing sources we may encounter OLE DB or ODBC errors as shown in the image below. The ODBCTimeout property lets you specify how long Microsoft Access waits for a network connection before a time-out error occurs. If your JDBC client software connects to a different port, specify that alternative port number Aug 5, 2020 · Hi Everyone, Since last week, am not able to connect to Impala database through ODBC connector & am getting below error. The following table describes the LIBNAME options for SAS/ACCESS Interface to Impala, with the applicable default values. Third-party products, especially business intelligence and reporting tools, can access Impala using the ODBC protocol. In Qlik Sense, you Jul 1, 2025 · An unstable ODBC layer with Impala, resulting in network handshake or timeout errors (ODBC: ERROR [HY000]). Verifying support includes checking that the versions of Impala, ODBC, the operating system, the Apache Hadoop distribution, and the third-party product have all been approved by the The Cloudera ODBC Connector for Apache Impala complies with the ODBC 3. The guide also provides details related to features of the driver. 11 for Cloudera Enterprise The Cloudera ODBC Driver for Impala enables your enterprise users to access Hadoop data through Business Intelligence (BI) applications with ODBC support. There is not much we can do from KNIME to tell you what you have to do here. We recommend that you upgrade your Power BI Desktop and the on-premises data gateway to the latest version to benefit from the most current capabilities. 3+. Setting up a JDBC connection to Impala involves the following steps: Aug 29, 2024 · Pre-requisites Power BI Desktop Edition Impala in CDP Private Cloud Base Impala ODBC Connector 2. The driver achieves this by translating Open Database Connectivity (JDBC) calls from the application into SQL and passing the SQL queries to the underlying Impala engine. Configuring the JDBC Port The default port used by JDBC 2. The guide also provides details related to features of the connector. 12. This is not the case if you are using SAS/ACCESS Interface to ODBC. 0 for Cloudera Enterprise] Step 2: Copy the O Click Save Changes and restart Impala. The --backend_client_rpc_timeout_ms option can be used to specify the number of milliseconds Impala should wait for a response from the backend client before it terminates the connection and signals a failure. These ODBC connection options are not supported on UNIX. This page provides instructions for setting up "Hive/Impala ODBC and JDBC on Windows or Linux using the Simba OEM ODBC Drivers. 22. On the gateway machine, use ODBC Data Source Administrator or DBeaver to test the connection to your Impala server. I've been successful in connecting to this in Power BI After you install the driver, configure the Data Source Name (DSN). Jul 28, 2021 · Hi @BrandonB I've seen that thread but I don't think in may case multiple input nodes are trying simultaneously because it runs one after another. Jul 27, 2016 · I am pulling in an update from a web source, but this source can take 3 minutes + to return data. Create DSN using 64-bit ODBC driver, put your server details, below is sample screen shot for same Use below code snippet for connectivity import pyodbc with pyodbc. The actual idle time before cancellation might be up to 50% greater than the specified configuration setting. If your JDBC client software connects to a different port, specify that The JDBC driver allows you to access Impala from a Java program that you write, or a Business Intelligence or similar tool that uses JDBC to communicate with various database products. You can also use Java or other languages to interact with Impala through the standard JDBC and ODBC interfaces used by many business intelligence tools. In the Idle Query Timeout field, specify the time in seconds after which an idle query is cancelled. Odbc. 15 for Cloudera Enterprise The Cloudera JDBC Driver for Impala enables your enterprise users to access Hadoop data through Business Intelligence (BI) applications with JDBC support. [Cloudera][ImpalaJDBCDriver](700100) Connection timeout expired. You may need to sign in and accept license agreements before accessing the pages required for downloading ODBC connectors. However, you might need to The JDBC connection string for connecting to a remote Hive client requires a host, port, and Hive database name. cloudera. Impala server accepts JDBC connections through this same port 21050 by default. To access your data stored on an Cloudera Impala database, you will need to know the server and database name that you want to connect to, and you must have access credentials. Although the instructions on this page cover both the 2. 0-cdh5. A session is idle when no activity is occurring for any of the queries in that session, and the session has not started any new queries. DataSource function to connect to the Impala data source using the ODBC data source name that we created earlier. Aug 2, 2016 · Power BI Desktop will then attempt to establish a connection to the Impala cluster and will require users to provide credentials for the first-time connection. The issue with Power BI Report Server is most likely due to missing Kerberos delegation or improper configuration at the server or service level. Sep 19, 2025 · Refer to your data source or database’s ODBC driver documentation for a list of the ODBC connection options that your ODBC driver supports. This topic describes the general troubleshooting procedures to diagnose some of the commonly encountered issues in Impala. Normally it runs very well, but when I run distcp (which cost the Cluster Network IO and HDFS IO), the java p To connection Impala using python you can follow below steps, Install Coludera ODBC Driver for Impala. My query results show up for a while in hue, then after a few minutes change to 'query failed'. 17 Download and configure the ODBC driver to integrate your applications with Impala. Error] An error happened while reading data from the provider: 'A transport-level error has occurred when receiving results from the server. If your JDBC client software connects to a different port, specify that alternative port number Use the ODBC connection to connect to a database with the ODBC application programming interface (API). This could be caused by a firewall (firewall between your machine and the cluster) or the host/port combination is wrong. Old drivers often cause handshake and timeout issues, especially after an update. I would like to adjust this timeout timer. connect ("DSN=impala_con", autocommit=True) as conn: df = pd. Features Impala Connectivity: Seamlessly connect to Impala databases using an ODBC Data Specifies the time in seconds to wait for a reply when trying to establish a connection to a server before terminating the attempt and generating a communication timeout. When you connect to an Impala database with Kerberos authentication enabled, specify the server principal of Impala, even though it is included in the JDBC URL. 1 and connecting to impala with impala_jdbc_2.   This module used to create a DSN-less connection through the InterSystems Cache driver, and we are upd Jul 29, 2021 · In order to achieve connectivity with Impala with Direct Query capabilities in Power BI (computations are sent to the cluster via ODBC), we created a fork of the Impala connector that Microsoft provides for Power BI and inserted the changes to the connection string that are needed in the setup I sketched above. INI FILE AND WHAT IT MEANS TO YOU SAS/ACCESS Interface to Impala shields you from the complexities of the odbc. The Cloudera ODBC Driver to connect to the Data Platform can be downloaded directly from Cloudera: https://www. Aug 29, 2024 · Pre-requisites Power BI Desktop Edition Impala in CDP Private Cloud Base Impala ODBC Connector 2. DataSource. In addition to using the same unified storage platform, Impala also uses the same metadata, SQL syntax (Hive SQL), ODBC driver, and user interface as Apache Apr 20, 2018 · I am connecting to impala through the jdbc/odbc drivers. 0 driver or higher, when connecting to a secure cluster. Select the Impala Virtual Warehouse, click options for the warehouse you want to set the timeout and retry options. 4. 2 driver. About This Guide Purpose The Magnitude Simba Impala ODBC Data Connector Installation and Configuration Guide explains how to install and configure the Magnitude Simba Impala ODBC Data Connector. Connecting to a database via an ODBC driver is likely the first step in analyzing data using the odbc package; for an overview of package concepts, see the Overview section below. com/downloads/connectors/impala/odbc/ Please follow the installation instructions from Cloudera for installing this in your environment. HS2NoSasl for the ODBC 2. I have the following configuration: Manager Node (cloudera1) 54. It provides a suite of tools to execute SQL queries, visualize results, and manage database interactions directly within the VS Code environment. Jun 10, 2025 · 2. Feb 2, 2023 · Either the data source is inaccessible, a connection timeout occurred, or the data source credentials are invalid. Make sure this port is available for communication with other hosts on your network, for example, that it is not blocked by firewall software. I managed to connect to impala by installing impyla and executing the following code. Details: java Apr 6, 2018 · Is it possible to set the request timeout to Impala? Using Python and impyla driver python-3. Earlier when I have seen ImpalaThriftAPICallFailed it was due to a connection timeout between the client and Impala. If --accepted_client_cnxn_timeout > 0, new connection requests are rejected if Impala can't get a server thread within the specified (in seconds) timeout. To disable translation from ODBC SQL to Impala SQL, select the Use Native Query check box. 6+ and Python 3. You can make customizations to a connection string's parameters and to the connection's capabilities using a TDC file. 5. 1 with default parameters) Data stored in Kudu table1: ~0. SecBeeswax for the ODBC 1. Apr 1, 2020 · Solved: I am trying to connect to a Cloudera Database. Sep 16, 2025 · This article provides information about how to create an Impala database connection in Microsoft Fabric. Aug 7, 2024 · Connecting to impala using one of the BI tools with jdbc string on port 21050 The connection is successful but drops intermittently for some time with below error Nov 20, 2024 · Connecting to impala using one of the BI tools with jdbc string on port 21050 The connection is successful but drops intermittently for some time with below error See your ODBC driver documentation for a list of the ODBC connection options that your ODBC driver supports. Timed out polling the job Download the latest version of the Impala ODBC driver from Cloudera Downloads page or alternatively, on the Virtual Warehouses page, click the options menu for the warehouse you want to connect to your BI tool, and select Download JDBC/ODBC Driver and install it. 7. Please verify the data source configuration and contact a data source administrator to troubleshoot this issue. 19 Worker Node 3 (cloudera4) 54. To configure advanced options: To access advanced options, open the ODBC Data Source Administrator where you created the DSN, then select the DSN, then click Configure, and then click Advanced Options. First, ensure that the microsoft. Sep 26, 2024 · Solved: Hi folks, I tried to submit a query with params via ODBC to Impala. Thi is my code: import pyodbc # - 394029 Dec 4, 2019 · Hi, I've got this error code while applying query changes: OLE DB or ODBC error: [DataSource. The ODBC wrapper detects the ODBC driver and automatically configures the performance options. Sep 16, 2022 · The connection actually worked as intended, but I spawned more than the default number of max connections, which caused the later connections to time out. Once you have created a connection to an Cloudera Impala database, you can select data from the available tables and then load that data into your app or document. x impala impyla asked Apr 6, 2018 at 9:50 Oleksandr Yarushevskyi 3,39922225 1 Answer Sorted by: 1 Note: If your JDBC or ODBC application connects to Impala through a load balancer such as haproxy, be cautious about reusing the connections. This node creates a connection to Apache Impala™ via JDBC. Impyla is a Python client wrapper around the HiveServer2 Thrift Service. Then closes the cursor and the connection. py --impalad_args="--fe_service_threads 128" Jun 7, 2023 · This code uses the Odbc. Apr 16, 2013 · If your DB connection string is valid the connection timeout won't be applied since ODBC will connect to the DB. You need to provide the server hostname (or IP address), the port, and a database name and specify an authentication mechanism. 0 for Cloudera Enterprise CDP Public Cloud Datahub + Kerberos + Power BI Desktop (in the future) Process Step 1: Install the [Impala ODBC Connector 2. 0 (CDH 6. For the best experience, ensure any third-party product you intend to use is supported. 127 Worker Node 1 (cloudera2) 54. Cluster Setup: 1 master + 4 tablet server Impala 3. Conclusion In this article, we have explored how to connect to the Impala data source from inside Power BI using Power Query M language Oct 17, 2013 · Hi, I want to connect Impala through Sql Developer or in general through JDBC way on 21050 port. I've tested the connection with success. util i Using a Connection String For some applications, you might need to use a connection string to connect to your data source. I have created the ticket in MIT with success. Would these connection About This Guide Purpose Simba Impala ODBC Driver with SQL Connector Installation and Configuration Guide explains how to install and configure the Simba Impala ODBC Driver with SQL Connector. 0 and later (as well as ODBC 2. 8. Impala supports the standard JDBC interface, allowing access from commercial Business Intelligence tools and custom software written in Java or other programming languages. You do not need to learn complicated connection syntax, and you do not need to create ODBC data source names (DSN). Feb 28, 2019 · I am using impala2. 42, and Cloudera recommends that you use this version with the current version of Impala. Apr 24, 2017 · Solved: I've been trying to connect an ODBC database to the gateway in Power BI service. For specialized kinds of analysis, you can supplement the Impala built-in functions by writing user-defined functions Aug 10, 2023 · We are updating a C# module which creates consumes an OdbcConnection from System. If the load balancer has set up connection timeout values, either check the connection frequently so that it never sits idle longer than the load balancer timeout value, or check the connection validity before using it and create a new one if the Dec 30, 2019 · Hello, What is the default command timeout when connecting to an SQL server database query in Power BI Desktop? I have a query that requires 20 minutes to run in SSMS but fails to run through Power BI because the timeout period elapsed. 16. x) is 21050. dbapi import connect from impala. The Connect for ODBC User's Guide lists all the possible connection parameters. This might be due to caching issues. 7 10^9 row (with 7 columns) About This Guide Purpose Simba Impala ODBC Driver with SQL Connector Installation and Configuration Guide explains how to install and configure the Simba Impala ODBC Driver with SQL Connector. I select my ODBC (Clouder To connect to an Impala server, you must configure the Cloudera ODBC Connector for Impala to use the authentication mechanism that matches the access requirements of the server and provides the necessary credentials. Subsequent attempts to connect to the same server will reuse the same credentials, as these are stored per-user per-machine. I can connect succesfully through the ODBC connector via PowerBI. Jul 18, 2017 · Hi Rajesh, "Connection refused" means that Impala Connector could not make a network connection to the Impala host and port you configured. Important: TDC files can be Create a connection to an ODBC database Connections to an ODBC database are made by selecting ODBC (via Direct Access gateway) from the list of connectors in the Add data connection or Data load editor dialogs. ini file has the correct SSL Mode and the proper path to the trusted certificate. Jul 7, 2025 · This issue is likely caused by incorrect SSL configurations in the Impala ODBC driver or permission-related problems with the gateway service. Support for query, login, and connection timeout The driver now supports the following ODBC API calls: SQL_ATTR_CONNECTION_TIMEOUT SQL_ATTR_LOGIN_TIMEOUT SQL_ATTR_QUERY_TIMEOUT Optimization of metadata retrieval Create Python applications on Linux/UNIX machines with connectivity to Impala data. Oct 13, 2015 · I've followed the Getting Started Guide, everything OK, and now I need to connect to Impala cluster via JDBC. x drivers, expect to use the 2. We can then use the resulting Impala object to query the data source and retrieve the data that we need for our report. x and 1. In fact, it greatly simplifies connecting to Impala. Click Edit and navigate to Impala Coordinatorunder Configurationstab. 6. Nov 5, 2018 · Hi Filipe, Timeout errors like this can be difficult to diagnose because they can have any number of different causes. )'. This node uses the selected driver's JDBC URL template to create the concrete database URL. Download Links. Feb 6, 2007 · The Impala ODBC driver supports both the Impala write capability and HDFS connection options via one of the following two methods: Apr 30, 2018 · I've set QUERY_TIMEOUT_S to 604800 (1 week) in the impala configuration safety valve, restarted impala and hue, but it doesn't seem to matter. If the sql client is not closed, then a connection is always established from the particular application to the deamon without any active session (s). Verifying support includes checking that the versions of Impala, ODBC, the operating system, the Apache Hadoop distribution, and the third-party product have all been approved by the This section explains how to configure Impala to accept connections from applications that use popular programming APIs: Post-Installation Configuration for Impala Configuring Impala to Work with ODBC Configuring Impala to Work with JDBC This type of configuration is especially useful when using Impala in combination with Business Intelligence tools, which use these standard interfaces to You learn how to download the Cloudera ODBC drivers for Hive and Impala. Note: If your JDBC or ODBC application connects to Impala through a load balancer such as haproxy, be cautious about reusing the connections. What version of the Impala ODBC driver are you using? Can you copy and paste the R code you're using to try to connect (with the password and any other private details redacted)? Are you able to successfully connect to Impala from other clients on the same machine you're Download and configure the JDBC driver to access Impala from a Java program that you write, or a Business Intelligence or similar tool that uses JDBC to communicate with database products. Click Save Changes and restart Impala. This is connection by LDAP: from impala. e. 0 driver. x ODBC drivers. Looking at the impala queries in CM, they show as Query 324d091f74c2ccc2:89c7ef9000000000 expired due to client inactivity (timeout is 10m) I must be missing Impala Known Issues: JDBC and ODBC Drivers These issues affect applications that use the JDBC or ODBC APIs, such as business intelligence tools or custom-written applications in languages such as Java or C++. Jan 29, 2020 · Earlier when I have seen ImpalaThriftAPICallFailed it was due to a connection timeout between the client and Impala. If the load balancer has set up connection timeout values, either check the connection frequently so that it never sits idle longer than the load balancer timeout value, or check the connection validity before using it and create a new one if the The --backend_client_rpc_timeout_ms option can be used to specify the number of milliseconds Impala should wait for a response from the backend client before it terminates the connection and signals a failure. Downloading the ODBC Driver Important: As of late 2015, most business intelligence applications are certified with the 2. 0 (PEP 249) -compliant Python client (similar to sqlite or MySQL clients) supporting Python 2. The JDBC driver allows you to access Impala from a Java program that you write, or a Business Intelligence or similar tool that uses JDBC to communicate with various database products. This condition is most likely to occur in a client program using the JDBC or ODBC interfaces, rather than in the interactive impala-shell interpreter. ini file. You can optionally specify a transport type and authentication. For detailed information about how to use a connection string in an ODBC application, refer to the documentation for the application that you are using. 2. Jan 22, 2022 · Remarks When you are using an ODBC database, such as Microsoft SQL Server, there may be delays due to network traffic or heavy use of the ODBC server. You can use the Windows ODBC Data Source Administrator to create the ODBC data source. To use Kerberos through the ODBC driver, the host type must be set depending on the level of the ODBD driver: SecImpala for the ODBC 1. If --accepted_client_cnxn_timeout=0, i. Mar 15, 2025 · Based on my understanding, your successful DSN test indicates that the Impala ODBC connection with Kerberos is functioning correctly at the local level. Setting up a JDBC connection to Impala involves the following steps: Impala supports the Cloudera ODBC driver and the Kerberos interface provided. You should ask your cluster admins/IT operations which Apr 24, 2019 · Windows 10 + official Impala ODBC driver The python program creates a process, connects with pyodbc to Impala and executes queries for 3 minutes. Sep 18, 2024 · Hello everybody, I have a ODBC (DSN=IMPALA_PRD) setup to connect to Impala server through kerberos authentication. Power BI times out before the server responds. In August 2025, we introduced a new implementation for the Impala connector to enhance the integration with Impala. Once a query is cancelled, the client program cannot retrieve any further results from the query. 35. If you’re customizing a JDBC-based connection, you can also modify the connection string parameters in a properties file. THE ODBC. Jun 24, 2016 · Hello, I am able to connect without a problem to Impala via ODBC with the following connection string: - 42261 Feb 6, 2011 · Impala ODBC Connector 2. 12 and higher, when you enable a proxy server in a Kerberized cluster, users have an option to connect to Impala daemons directly from impala-shell using the -b / --kerberos_host_fqdn impala-shell flag. In this instance it was set to 10 seconds which was shorter than needed to perform the query. Lets say there is a jdbc conenction established from a sql client. no timeout, clients wait indefinitely to open the new session until more threads are available. Both Anonymous and Username/Password credentials are supported. ODBC is one of the most established and widely supported APIs for connecting to and working with databases. one starts loading data when another one completes the task. It connects to Impala and implements Python DB API 2. 0 driver or higher, when Aug 5, 2020 · Hi Everyone, Since last week, am not able to connect to Impala database through ODBC connector & am getting below error. ODBC Driver Version & Connection Upgrade to the latest Cloudera ODBC driver for your version of Impala. Impala has been tested with the Impala ODBC driver version 2. Feb 4, 2025 · This issue is likely caused by incorrect SSL configurations in the Impala ODBC driver or permission-related problems with the gateway service. Error: ODBC: The Cloudera ODBC Connector for Apache Impala complies with the ODBC 3. Jan 23, 2025 · This issue is likely caused by incorrect SSL configurations in the Impala ODBC driver or permission-related problems with the gateway service. To configure the federated server to access Impala data sources, you must provide the federated server with information about the data sources and objects that you want to access. 1. Can we make this user adjustable setting? This section explains how to configure Impala to accept connections from applications that use popular programming APIs: Post-Installation Configuration for Impala Configuring Impala to Work with ODBC Configuring Impala to Work with JDBC This type of configuration is especially useful when using Impala in combination with Business Intelligence tools, which use these standard interfaces to Explains how to install Impyla to connect to and submit SQL queries to Impala. In Impala 2. 1. Is there a way to time-out such inactive connections (as in without any active sessions). The default port used by JDBC 2. Mar 16, 2021 · The timeout setting is called FETCH_ROWS_TIMEOUT_MS. 0. (provider: TCP Provider, error: 0 - An existing connection was forcibly closed by the remote host. read_sql ("", conn) Third-party products, especially business intelligence and reporting tools, can access Impala using the ODBC protocol. This applies to both ODBC and JDBC connections. Please kindly follow the additional steps outlined below, which may help in resolving the issue: Jun 9, 2025 · 2. Cloudera Impala provides fast, interactive SQL queries directly on your Apache Hadoop data stored in HDFS or HBase. Normally it runs very well, but when I run distcp (which cost the Cluster Network IO and HDFS IO), the java program may throw errors. i. I solved the issue by starting the Impala cluster with the command: bin/start-impala-cluster. Due to this setting, JDBC, ODBC, and Beeswax clients running Impala queries believe the data returned at 10 seconds is a complete dataset and present it as the final output. Leverage the pyodbc module for ODBC in Python. 26 Worker Node 2 (cloudera3) 54. About This Guide Purpose Simba Impala ODBC Driver with SQL Connector Installation and Configuration Guide explains how to install and configure the Simba Impala ODBC Driver with SQL Connector. Jun 6, 2017 · Hi, We are trying to set up ODBC connection to Impala on our Windows laptops. LIBNAME-options specify how SAS processes DBMS objects. The ODBC wrapper is optimized to access Impala data sources. I have a situation that Power BI will refresh the Dashboard - 359848 The default port used by JDBC 2. The server has a configuration option labeled 'FETCH_ROWS_TIMEOUT_MS' which governs the timeout period for queries. Apr 3, 2023 · ODBC: ERROR [HY000] [Microsoft] [BigQuery] (115) Operation timeout. Download the latest version of the Impala ODBC driver from Cloudera Downloads page or alternatively, on the Virtual Warehouses page, click the options menu for the warehouse you want to connect to your BI tool, and select Download JDBC/ODBC Driver and install it. Sep 9, 2024 · Hello everybody, I have a ODBC (DSN=IMPALA_PRD) setup to connect to Impala server through kerberos authentication. Thank you. When you create the data source, the Windows ODBC Data Source Administrator stores the ODBC driver parameters in the Windows registry. This deals with a separate issue. 0, Kudu 1. To configure your systems to use ODBC, download and install a connector, typically from the supplier of the third-party product or the Hadoop distribution. For details, see Use a properties file to customize a JDBC connection. HiveServer2 compliant; works with Impala and Hive, including nested data Fully DB API 2. The gateway service account lacking the necessary network or certificate permissions during unattended scheduled refreshes. In the search field, type idle. For example, if the timeout setting was 60, the session or query might be cancelled after being idle between 60 and 90 seconds. I'm new to hadoop and impala. The ODBC connection is optimized for the DataStage ODBC connector and can be used only in DataStage flows. Dec 1, 2023 · Query times out after 10 seconds with the Progress DataDirect for ODBC for Impala Driver. . But I'm not sure these Alteryx nodes disposes connections right after finishing or keeps it open for sometime. The IDLE_SESSION_TIMEOUT query option sets the time in seconds after which an idle session is cancelled. If you're expecting the command to generate the error, look at the CommandTimeout. Is there anyway to dispose connection forcefully? thanks! The dbConnect() method documented here is invoked when DBI::dbConnect() is called with the first argument odbc(). 1005. 175. 80 data standard and adds important functionality such as Unicode and 32- and 64-bit support for high-performance computing environments. Jan 7, 2021 · Connection timeout expired while connecting to impala with impala JDBC Driver Oct 16, 2013 · Additional parameters may be needed depending on the configuration of the environment. mdr qid mwaza xhpjjh witxj unscwr ervo zfue tkcjda eanfrm jinbp qkyo wmpzj sfn hdanf