Hi, There are semi-related problems with the Discriminator support documented in OPENJPA-143. It seems that if we veer away from the string-based discriminators, then we still have a few problems... Sorry, no answers at the moment. Just sharing the pain...
Kevin On 5/21/07, Pinaki Poddar <[EMAIL PROTECTED]> wrote:
> @DiscriminatorColumn(discriminatorType=DiscriminatorType.CHAR) > @DiscriminatorValue(value="S") The discriminator type is CHAR but the value is a String. How about declaring the type as STRING of length 1? @DiscriminatorColumn(discriminatorType=DiscriminatorType.STRING, length=1) Pinaki Poddar BEA Systems 415.402.7317 -----Original Message----- From: Praveen G [mailto:[EMAIL PROTECTED] Sent: Saturday, May 19, 2007 8:37 AM To: open-jpa-dev@incubator.apache.org Subject: Re: Exception while retrieving the data from database Hi, I am having following two classes, modified the code as follows @Entity @Table(name = "LOG_DB2") @Inheritance(strategy = InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(discriminatorType=DiscriminatorType.CHAR) @DiscriminatorValue(value="S") public class A { @Column(name = "LOG_ID") @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private long id; @Column(name = "TAG") private String tag; @Column(name = "SUBTAG") private String subtag; @Column(name = "HOST_NAME") private String hostName; @Entity @Table(name = "LOG_DB2") @DiscriminatorValue(value="C") public class B extends A { @Column(name = "INSTANCE_NAME") private String instanceName; @Column(name = "DB2_TIMESTAMP") private Timestamp db2Timestamp; @Column(name = "DB_ALIAS") private String dbAlias; @Column(name = "DB_PARTITION") private int partitionNum; I am facing the problem while retriveing the data from the database, the following is the code and highlighted the problem area in the code em=ServiceLocator.getOpenJPASession("audit"); em.getTransaction().begin(); Query q = em.createQuery("select ad from B ad"); List<B> logs = q.getResultList(); for (B l : logs) { System.out.println("Host Name is : "+l.getHostName()+" Instance Name is "+l.getInstanceName()); em.remove(l); } em.getTransaction().commit(); em.close(); The following error occurs <0.9.7-incubating nonfatal general error> org.apache.openjpa.persistence.PersistenceException: [IBM][CLI Driver] CLI0112E Error in assignment. SQLSTATE=22005 at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary. java:3784) at org.apache.openjpa.jdbc.sql.DB2Dictionary.newStoreException(DB2Dictionar y.java:373) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:97 ) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:83 ) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:59 ) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreMana ger.java:260) at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingSt oreManager.java:111) at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.jav a:57) at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:876) at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:834) at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:756) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.ja va:776) at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:257) at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java :2152) at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:251) at org.apache.openjpa.jdbc.kernel.InstanceResultObjectProvider.getResultObj ect(InstanceResultObjectProvider.java:59) at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:3 6) at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1219) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:987) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:796) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:766) at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:762) at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:5 17) at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:230) at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:26 9) at com.vormetric.server.dao.audit.hibernate.AuditDAOImpl.purgeDebugMessages (AuditDAOImpl.java:195) at com.vormetric.server.messageanalyzer.MessageAnalyzerManager.purgeDebugMe ssages(MessageAnalyzerManager.java:113) at com.vormetric.server.mgmt.ConsoleManagement.purgeDebugMessages(ConsoleMa nagement.java:675) at com.vormetric.server.mgmt.console.log.LogAnalyzerAction.execute(LogAnaly zerAction.java:217) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr ocessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java: 236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:173) at com.vormetric.server.mgmt.console.access.AuthorizationFilter.doFilter(Au thorizationFilter.java:70) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilte r.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAs sociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.j ava:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java :126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1 48) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86 9) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc essConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint .java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow erWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool .java:684) at java.lang.Thread.run(Thread.java:803) Caused by: COM.ibm.db2.jdbc.DB2Exception: [IBM][CLI Driver] CLI0112E Error in assignment. SQLSTATE=22005 at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source) at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source) at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.check_return_code(Unknown Source) at COM.ibm.db2.jdbc.app.DB2ResultSet.getInt2(Unknown Source) at COM.ibm.db2.jdbc.app.DB2ResultSet.getInt(Unknown Source) at org.apache.openjpa.lib.jdbc.DelegatingResultSet.getInt(DelegatingResultS et.java:134) at org.apache.openjpa.jdbc.sql.DBDictionary.getInt(DBDictionary.java:643) at org.apache.openjpa.jdbc.sql.DBDictionary.getChar(DBDictionary.java:545) at org.apache.openjpa.jdbc.sql.ResultSetResult.getCharInternal(ResultSetRes ult.java:288) at org.apache.openjpa.jdbc.sql.ResultSetResult.getObjectInternal(ResultSetR esult.java:356) at org.apache.openjpa.jdbc.sql.AbstractResult.getObject(AbstractResult.java :662) at org.apache.openjpa.jdbc.meta.strats.HandlerStrategies.loadDataStore(Hand lerStrategies.java:205) at org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy.load(HandlerFie ldStrategy.java:172) at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:788) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.ja va:833) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.ja va:806) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.ja va:785) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStor eManager.java:336) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreMana ger.java:255) Please help me to resolve the above problem as soon as possible. Thanks, Praveen Kumar. Notice: This email message, together with any attachments, may contain information of BEA Systems, Inc., its subsidiaries and affiliated entities, that may be confidential, proprietary, copyrighted and/or legally privileged, and is intended solely for the use of the individual or entity named in this message. If you are not the intended recipient, and have received this message in error, please immediately return this by email and then delete it.
