1. Squirrel Jdbc Driver Download For Windows
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3. Download Jdbc Driver

Important Linux is the only operating system used on HDInsight version 3.4 or greater. For more information, see. SQuirreL is a JDBC client application. The or higher.

Maven is a project build system for Java projects that is used by the project associated with this article. JDBC connection string JDBC connections to an HDInsight cluster on Azure are made over 443, and the traffic is secured using SSL. The public gateway that the clusters sit behind redirects the traffic to the port that HiveServer2 is actually listening on.

The following connection string shows the format to use for HDInsight: jdbc:hive2://CLUSTERNAME.azurehdinsight.net:443/default;transportMode=http;ssl=true;httpPath=/hive2 Replace CLUSTERNAME with the name of your HDInsight cluster. Authentication When establishing the connection, you must use the HDInsight cluster admin name and password to authenticate to the cluster gateway. When connecting from JDBC clients such as SQuirreL SQL, you must enter the admin name and password in client settings. From a Java application, you must use the name and password when establishing a connection. For example, the following Java code opens a new connection using the connection string, admin name, and password: DriverManager.getConnection(connectionString,clusterAdmin,clusterPassword); Connect with SQuirreL SQL client SQuirreL SQL is a JDBC client that can be used to remotely run Hive queries with your HDInsight cluster. The following steps assume that you have already installed SQuirreL SQL. Copy the Hive JDBC drivers from your HDInsight cluster.

For Linux-based HDInsight cluster version 3.5 or 3.6, use the following steps to download the required jar files. Create a directory that contains the files. For example, mkdir hivedriver.

Java -jar squirrel-sql.jar. Just remember that when executing the jar file directly you don't use your current class path ($CLASSPATH on Unix or%CLASSPATH% on Windows) so if you have your JDBC drivers in your class path then SQuirreL won't see them. See The Driver for more information. Some people have reported.

From a command line, use the following commands to copy the files from the HDInsight cluster: scp USERNAME@CLUSTERNAME:/usr/hdp/current/hadoop-client/hadoop-common.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hadoop-client/hadoop-auth.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hadoop-client/lib/log4j-.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hadoop-client/lib/slf4j-.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/hive-.-1.2.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/httpclient-.jar.

Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/httpcore-.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/libthrift-.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/libfb.jar. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/commons-logging-.jar. Replace USERNAME with the SSH user account name for the cluster. Replace CLUSTERNAME with the HDInsight cluster name. For Windows-based HDInsight, use the following steps to download the jar files.

From the Azure portal, select your HDInsight cluster, and then select the Remote Desktop icon. On the Remote Desktop section, use the Connect button to connect to the cluster.

If the Remote Desktop is not enabled, use the form to provide a user name and password, then select Enable to enable Remote Desktop for the cluster. After selecting Connect, a.RDP file is downloaded. Use this file to launch the Remote Desktop client. When prompted, use the user name and password you entered for Remote Desktop access.

Once connected, copy the following files from the Remote Desktop session to your local machine. Put them in a local directory named hivedriver. C: apps dist hive-0.14.0.2.2.9.1-7 lib hive-jdbc-0.14.0.2.2.9.1-7-standalone.jar. C: apps dist hadoop-2.6.0.2.2.9.1-7 share hadoop common hadoop-common-2.6.0.2.2.9.1-7.jar. C: apps dist hadoop-2.6.0.2.2.9.1-7 share hadoop common lib hadoop-auth-2.6.0.2.2.9.1-7.jar.

Note The version numbers included in the paths and file names may be different for your cluster. Disconnect the Remote Desktop session once you have finished copying the files. Start the SQuirreL SQL application. From the left of the window, select Drivers. From the icons at the top of the Drivers dialog, select the + icon to create a driver. In the Add Driver dialog, add the following information:.

Name: Hive. Example URL: jdbc:hive2://localhost:443/default;transportMode=http;ssl=true;httpPath=/hive2. Extra Class Path: Use the Add button to add the jar files downloaded earlier. Class Name: org.apache.hive.jdbc.HiveDriver Click OK to save these settings. On the left of the SQuirreL SQL window, select Aliases.

Then click the + icon to create a connection alias. Use the following values for the Add Alias dialog. Name: Hive on HDInsight. Driver: Use the dropdown to select the Hive driver.

URL: jdbc:hive2://CLUSTERNAME.azurehdinsight.net:443/default;transportMode=http;ssl=true;httpPath=/hive2 Replace CLUSTERNAME with the name of your HDInsight cluster. User Name: The cluster login account name for your HDInsight cluster. The default is admin. Password: The password for the cluster login account. Use the Test button to verify that the connection works.

When Connect to: Hive on HDInsight dialog appears, select Connect to perform the test. If the test succeeds, you see a Connection successful dialog. If an error occurs, see.

To save the connection alias, use the Ok button at the bottom of the Add Alias dialog. From the Connect to dropdown at the top of SQuirreL SQL, select Hive on HDInsight. When prompted, select Connect. Once connected, enter the following query into the SQL query dialog, and then select the Run icon. The results area should show the results of the query.

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Select. from hivesampletable limit 10; Connect from an example Java application An example of using a Java client to query Hive on HDInsight is available. Follow the instructions in the repository to build and run the sample. Troubleshooting Unexpected Error occurred attempting to open an SQL connection Symptoms: When connecting to an HDInsight cluster that is version 3.3 or greater, you may receive an error that an unexpected error occurred. The stack trace for this error begins with the following lines: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.(I)V at java.util.concurrent.FutureTas.(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) Cause: This error is caused by an older version commons-codec.jar file included with SQuirreL. Resolution: To fix this error, use the following steps:.

Download the commons-codec jar file from your HDInsight cluster. Scp USERNAME@CLUSTERNAME:/usr/hdp/current/hive-client/lib/commons-codec.jar./commons-codec.jar. Exit SQuirreL, and then go to the directory where SQuirreL is installed on your system. In the SquirreL directory, under the lib directory, replace the existing commons-codec.jar with the one downloaded from the HDInsight cluster.

Restart SQuirreL. The error should no longer occur when connecting to Hive on HDInsight. Next steps Now that you have learned how to use JDBC to work with Hive, use the following links to explore other ways to work with Azure HDInsight.

Plugins and drivers are two different types of software. A driver allows you to connect to a particular database (Oracle, Sybase, DB2, etc.) We cannot legally ship most drivers with SQuirreL (in the installer or from the update site) as they are proprietary and most database vendors require users to download them directly from their website. Plugins are another piece of software whose purpose is to enhance SQuirreL's ability to render and work with objects that are stored in the database after a connection is made. Some plugins are database-specific and are named according to the database that they are activated for. When start a session in SQuirreL, if the plugin that corresponds with that database type is installed, it will be activated when a connection is made and SQuirreL will have more capabilities than without that plugin installed and activated.

There are other plugins, that are not database-specific (for example, graph, codecompletion, syntax highlighting, etc.) that are activated regardless of the type of database, if they have been installed. If you choose 'standard' and no 'optional' plugins when prompted by the installer, then you get a useful subset of plugins that are helpful regardless of the database type.

You can check to see which plugins you have installed by opening up the plugin status table (Plugins - Summary), or by looking in the /plugins folder. For startup performance, fine-grain control was introduced to allow you to specify which schemas are loaded. This is a big deal for Oracle as it has by default many schemas which are rarely used and some that are used occasionally that have tons of objects in them (e.g.

You can control this configuration per alias as follows:. Right-click on the alias and choose 'Alias Properties'. In the 'Schemas' tab of the resulting dialog, choose 'Specify Schema loading and caching'. Click the 'Connect database to refresh Schema table' button.(Now, for each schema listed you are able to specify whether or not tables, views and/or procedures are loaded into the object tree, by clicking the cell in Tables, Views, or Procedures.

Turn off all schemas and then explicitly add the ones you need for this particular alias. You can achieve this easily with the buttons below the schema table. It forms a sentence that should read 'Set in all Schemas to ', then click Apply. All Table, View and Procedure cells move to 'Don't load' value.

Find your schema and change the Tables, Views and Procedures cells for that row to 'Load.' (caching will help if you have a large number of objects that are always present). Next find the SYS schema and change it to load VIEWS. Start a new session with that alias and SYS views will be loaded into the object tree of that new session Doug Lawry has reported that the following steps are required in order to install SQuirreL SQL Client on Windows Vista. Start 'cmd.exe' using 'Run as administrator'. Change directory to the file location.

Run 'java -jar squirrel-sql-2.5.1-install.jar' Andrew Melton has reported that disabling Desktop Effects (and using metacity) solved the problem. Furthermore, he also reports that after re-enabling Desktop Effects SQuirreL still renders correctly. Additionally, seems to be at least related to if not the same problem. In theory SQuirreL should work with any DBMS that has a JDBC 2.0 driver. However not all drivers/DBMS's are fully complient with the JDBC 2.0 specification. People have reported SQuirreL working with the following:. (formerly Cloudscape) see written by Susan Cline.

with the JDBC driver. with the JayBird JCA/JDBC Driver. for Linux, OS/400 and Windows. 2.6 SP2 with EDBC driver v1.8 (probably works with Caribou Lake driver too). with the JDBC driver. with the JDBC/ODBC bridge.

with the Microsoft, and JDBC drivers. with the JDBC driver. Data Warehouse with 4.0.4P2 Driver. with the Oracle thin and OCI drivers.

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with the JDBC driver. There are currently some issues with Sybase JConnect 5.5 and SQuirreL 1.1 although JConnect 4.5 seems to work. Analytic Database Please send us an if you have used SQuirreL successfully with other products. Different versions of SQuirreL have different minimum JVM version requirements. The following table provides a summary of the version requirements: SQuirreL Version Minimum JVM Version 3.0+ 1.6 2.4 - 2.6.x 1.5 2.0 - 2.3.x 1.4.2 1.1 Final 1.3.1 Early versions of the Sun 1.3.0 VM on Linux throw a segmentation fault when running SQuirreL. Either update to the latest 1.3.1 VM or pass the -classic flag to the Java executable - i.e. Java -classic -cp.

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Early beta versions of the Microsoft type 4 JDBC driver had a bug which would cause this error when trying to connect. Go to the General Tab in the Global Preferences dialog and change the SQL Login Timeout to 0. When connecting to Microsoft SQL Server with auto-commit off or changing auto-commit to false for an existing connection you may get this error. To stop it from occuring enable the 'selectmethod=cursor' driver property in the alias. Versions of PostgreSQL prior to 7.1.3 didn't supply sufficent metadata to build the object tree in SQuirreL. A fix has been put into SQuirreL so that it would work with PostgreSQL 7.1.2.

This is a known problem with JDK1.3.0 on some platforms. Upgrade your Java version to 1.3.1 or better. Right-click on the schema in the explorer and select refresh, objects should appear as normal. This is a bug in earlier versions of the Informix JDBC driver and is known to be fixed in version 9.4 of Informix and version 2.21 of the Informix JDBC driver.

JRE/JDBC Version mismatch The driver being used. Is not JDBC N.N compliant. You should consider getting a more recent version of this driver. It's telling you that your JRE version is much newer than your driver's supported JDBC version. In general, it's hard to tell how well tested an older driver is with a newer JVM(1.4+).

The odds are good that the newer JVM wasn't available when the older driver was written. So the warning message is there to let you know that you aren't getting the most efficient use from SQuirreL 2.x and your database driver. SQuirreL 2.x requires JVM 1.4 or higher so your choices are limited there. Upgrade your JDBC driver if possible - if not, then you can disable the warning. To disable it go to Global Preferences - General and uncheck the checkbox next to Warning for JRE/JDBC Version Mismatch Answers - Plugins. There is some information in the document which you can find in the docs directory within your SQuirreL program directory.

This document badly needs a lot of work and its on our todo list. You can also look at the existing plugins to see how they've done things. If you have an idea for a plugin just send a message to the SQuirreL Developers list giving a brief description. This helps to ensure that two people don't develop the same plugin.

Some people have reported these directories appearing when running JDK 1.3 on Windows 2000. It appears to be a problem with the Hotspot VM. Passing the -classic flag to the java executable fixes the problem - i.e. Java -classic -cp. This can be caused by the problem. If you use the SQL Validator plugin with JDK 1.3 you will need a JAXP 1.1 XML compliant parser such as or the.

Copy the jar files from your XML parser to the directory /plugins/sqlval/lib. For xml-xerces this should be xerces.jar and for JAXP 1.1 reference implementation this should be crimson.jar and jaxp.jar.