dynamic VDB, Not loading UDF , Showing class Not Found . ----------------------------------------------------------- Key: TEIID-3959 URL: https://issues.jboss.org/browse/TEIID-3959 Project: Teiid Issue Type: Feature Request Affects Versions: 8.12.2 Environment: Windows 7, 64 bit Reporter: Durgadatta Sahu Assignee: Steven Hawkins Fix For: 9.0 Attachments: UDFVDB.vdb, UDFVDB.vdb Hi I am new to TEIID , and trying to deploy UDF and corresponding JAR at run time . It is showing following exception:- 10:46:47,729 INFO [org.teiid.RUNTIME] (teiid-async-threads - 6) TEIID50030 VDB DDS_TEST_VDB.1 model "modelsource" metadata loaded. End Time: 2/6/16 10:46 AM 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) Exception in thread "teiid-async-threads - 6" org.teiid.metadata.MetadataException: TEIID30387 Could not load UDF "getDouble", since its invocation class "com.my.app.Demo" could not be found. 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.query.function.FunctionTree.createFunctionDescriptor(FunctionTree.java:325) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.query.function.FunctionTree.addFunction(FunctionTree.java:212) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.query.function.FunctionTree.<init>(FunctionTree.java:102) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.deployers.CompositeVDB.buildTransformationMetaData(CompositeVDB.java:93) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.deployers.CompositeVDB.metadataLoadFinished(CompositeVDB.java:286) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.deployers.VDBRepository.finishDeployment(VDBRepository.java:297) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.runtime.AbstractVDBDeployer.metadataLoaded(AbstractVDBDeployer.java:244) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.jboss.VDBService.access$1200(VDBService.java:81) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.jboss.VDBService$6.run(VDBService.java:416) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.jboss.VDBService$7.run(VDBService.java:446) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at java.lang.Thread.run(Thread.java:745) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.threads.JBossThread.run(JBossThread.java:122) 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) Caused by: java.lang.ClassNotFoundException: com.my.app.Demo from [Module "deployment.udfa-vdb.xml:main" from Service Module Loader] 10:46:47,729 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at java.lang.Class.forName0(Native Method) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at java.lang.Class.forName(Class.java:340) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.query.function.UDFSource.getInvocationClass(UDFSource.java:43) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) at org.teiid.query.function.FunctionTree.createFunctionDescriptor(FunctionTree.java:315) 10:46:47,739 ERROR [stderr] (teiid-async-threads - 6) ... 13 more =============================== I have crated a dynamic VDB and define UDF details as follows <?xml version="1.0" encoding="utf-8"?> <vdb name="DDS_TEST_VDB" version="1"> <model name="modelsource" type='VIRTUAL' > <property name ="lib" value ="com.my.app"></property> <metadata type="DDL"> <![CDATA[ create virtual function getDouble(key Long) returns Double options ( java_class 'com.my.app.Demo', java_method 'getValue' ); ]]> </metadata> </model> </vdb> And I have deployed my jar file and module.xml in following path, \teiid-8.12.2-server\teiid-8.12.2\modules\com\my\app\main\ module.xml : <?xml version="1.0" encoding="UTF-8"?> <module xmlns="urn:jboss:module:1.1" name="com.my.app"> <resources> <resource-root path="myapp.jar"/> <!-- Insert resources here --> </resources> <dependencies> </dependencies> </module> Thanks, Durga