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Hive Datasource Connection fails with XQE-GEN-0002 An unexpected exception occurred: org.apache.curator.RetryPolicy

Troubleshooting


Problem

When creating a HIVE data source connection in the Cognos Administration Console, the test fails with the error:
XQE-GEN-0002 An unexpected exception occurred: org.apache.curator.RetryPolicy
image-20240811200935-1

Symptom

XQE Logs contain the following excerpt:
 

<event component="XQE" group="Exception" level="ERROR" thread="113" timestamp="2024-08-09 15:18:48.647" contextId="28" requestId="wC4M8w9Gsy4MMh4qjCCsMswws42y4C92M9M4sh2M" sessionId="73019c77:19137af7561:-7ecd"><![CDATA[Caught error in V5QueryHandler: java.lang.NoClassDefFoundError: org.apache.curator.RetryPolicy
at org.apache.hive.jdbc.Utils.extractURLComponents(Utils.java:472)
at org.apache.hive.jdbc.Utils.parseURL(Utils.java:332)
at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:168)
at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:107)
at com.ibm.cognos.jdbc.adaptor.AdaptorFactory.connect(AdaptorFactory.java:435)
at com.ibm.cognos.jdbc.adaptor.ConnectionFactory.createAndWrapConnection(ConnectionFactory.java:269)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnection.driverConnect(JDBCConnection.java:1136)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnection.driverConnect(JDBCConnection.java:1108)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnection.driverConnectKerberos(JDBCConnection.java:3256)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnection.connectWithAuthentication(JDBCConnection.java:3156)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnection.connect(JDBCConnection.java:1291)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCConnectionFactory.createConnection(JDBCConnectionFactory.java:122)
at com.cognos.xqe.data.providers.relational.jdbc.JDBCDataProvider.testConnection(JDBCDataProvider.java:154)
at com.cognos.xqe.data.providers.relational.TraceRelationalDataProvider.testConnection(TraceRelationalDataProvider.java:222)
at com.cognos.xqebifw.bibushandler.ConnectionTester.doTestConnection(ConnectionTester.java:345)
at com.cognos.xqebifw.bibushandler.ConnectionTester.doTestConnection(ConnectionTester.java:365)
at com.cognos.xqebifw.bibushandler.ConnectionTester.testDataSourceConnection(ConnectionTester.java:179)
at com.cognos.xqebifw.bibushandler.TestDataSourceConnectionWithInfoRequestAdapter.executeRequest(TestDataSourceConnectionWithInfoRequestAdapter.java:95)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.lang.Thread.run(Thread.java:812)
Caused by: java.lang.ClassNotFoundException: org.apache.curator.RetryPolicy
at com.ibm.ws.classloading.internal.AppClassLoader.findClassCommonLibraryClassLoaders(AppClassLoader.java:569)
at com.ibm.ws.classloading.internal.AppClassLoader.findClass(AppClassLoader.java:291)
at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:925)
at java.lang.ClassLoader.loadClass(ClassLoader.java:870)
at com.ibm.ws.classloading.internal.AppClassLoader.findOrDelegateLoadClass(AppClassLoader.java:547)
at com.ibm.ws.classloading.internal.AppClassLoader.loadClass(AppClassLoader.java:505)
at java.lang.ClassLoader.loadClass(ClassLoader.java:853)
... 77 more

Document Location

Worldwide

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Document Information

Modified date:
15 January 2026

UID

ibm17165248

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