Hi,
Please do the following:
select j from job j
-fay
--- On Tue, 7/8/08, tao <[EMAIL PROTECTED]> wrote:
> From: tao <[EMAIL PROTECTED]>
> Subject: Query problem with open jpa 1.0.2
> To: [email protected]
> Date: Tuesday, July 8, 2008, 3:30 PM
> Hi, I'm working on a project using openjpa 1.0.2. I got
> org.apache.openjpa.persistence.ArgumentException while
> executing a simple
> query today, wish someone can help me on this issue. Thanks
>
> The query I'm trying to execute is:
> "select job from job j"
> Moreover there is no problem for me to create a new job
> record.
>
> Three related persistence classes are defined as the
> following:
>
> @Table(name = "job")
> @Entity(name = "job")
> public class Job implements Serializable{
> @Id
> @Column (name = "job_id")
> @GeneratedValue(strategy = GenerationType.IDENTITY)
> private long jobId;
>
> @Column (name = "job_name", length = 255,
> nullable = false)
> private String jobName;
>
> @Column
> private String status;
>
> @ManyToOne (optional = false)
> @JoinColumn(name = "create_by",
> referencedColumnName = "user_id")
> private User createUser;
>
> @Column (name = "create_time")
> private Date createTime;
>
> @ManyToOne (optional = true)
> @JoinColumn(name = "update_by",
> referencedColumnName = "user_id")
> private User updateUser;
>
> @Column (name = "update_time")
> private Date updateTime;
>
> @ManyToOne (optional = false, fetch = FetchType.EAGER)
> @JoinColumn(name = "proj_lead_id",
> referencedColumnName = "user_id")
> private User projectLead;
>
> @ManyToOne (optional = false, fetch = FetchType.EAGER)
> @JoinColumn(name = "designer_id",
> referencedColumnName = "user_id")
> private User designer;
>
> @Column (name = "approve_by")
> private String approveBy;
>
> @Column (name = "concept_date")
> private Date conceptDate;
>
> @Column (name = "vendor_due_date")
> private Date vendorDueDate;
>
> @Column (name = "release_date")
> private Date releaseDate;
> ...
> }
>
> @Entity(name = "user")
> @Table(name = "usr_user")
> public class User implements Serializable {
>
> private static final long serialVersionUID = 3L;
>
> @Id
> @Column (name = "user_id")
> @GeneratedValue(strategy = GenerationType.IDENTITY)
> private long userId;
>
> @Column
> private String password;
>
> @Column (name = "user_name", length = 20,
> nullable = false)
> private String userName;
>
> @Column (name = "first_name", length = 32,
> nullable = false)
> private String firstName;
>
> @Column (name = "last_name", length = 32,
> nullable = false)
> private String lastName;
>
> @Column (name = "mid_name", length = 20,
> nullable = true)
> private String midName;
>
> @ManyToOne (optional = false, fetch =
> FetchType.EAGER)
> @JoinColumn(name = "role_id",
> referencedColumnName = "role_id")
> private Role role;
>
> ...
> }
>
> @Entity (name = "role")
> @Table(name = "role")
> public class Role {
> @Id
> @Column (name="role_id")
> @GeneratedValue(strategy = GenerationType.IDENTITY)
> private long roleId;
>
> @Column (name="role_name", length = 20, nullable
> = false)
> private String roleName;
> ...
> }
>
> and the exception details I got are
> javax.faces.FacesException: Error calling action method of
> component with id
> job-search-form:search-button
> at
> org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:69)
> at
> javax.faces.component.UICommand.broadcast(UICommand.java:121)
> at
> javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:292)
> at
> javax.faces.component.UIViewRoot.process(UIViewRoot.java:209)
> at
> javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:117)
> at
> org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:32)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
> at
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:148)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:595)
> Caused by: javax.faces.el.EvaluationException:
> javax.el.ELException:
> /web/searchJob.xhtml @278,43
> action="#{jobBacking.search}":
> org.springframework.dao.InvalidDataAccessApiUsageException:
> nested exception
> is <openjpa-1.0.2-r420667:627158 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: null
> at
> javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:79)
> at
> org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:54)
> ... 23 more
> Caused by: javax.el.ELException: /web/searchJob.xhtml
> @278,43
> action="#{jobBacking.search}":
> org.springframework.dao.InvalidDataAccessApiUsageException:
> nested exception
> is <openjpa-1.0.2-r420667:627158 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: null
> at
> com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:74)
> at
> javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:75)
> ... 24 more
> Caused by:
> org.springframework.dao.InvalidDataAccessApiUsageException:
> nested exception is <openjpa-1.0.2-r420667:627158
> nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: null
> at
> org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:269)
> at
> org.springframework.orm.jpa.DefaultJpaDialect.translateExceptionIfPossible(DefaultJpaDialect.java:120)
> at
> org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:212)
> at
> org.springframework.orm.jpa.JpaAccessor.translateIfNecessary(JpaAccessor.java:152)
> at
> org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:190)
> at
> org.springframework.orm.jpa.JpaTemplate.executeFind(JpaTemplate.java:152)
> at
> org.springframework.orm.jpa.JpaTemplate.find(JpaTemplate.java:299)
> at
> org.springframework.orm.jpa.JpaTemplate.find(JpaTemplate.java:295)
> at com.xyz.dao.JobDAO.searchJob(JobDAO.java:209)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
> at
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
> at $Proxy11.searchJob(Unknown Source)
> at com.xyz.backing.JobBacking.search(JobBacking.java:157)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.apache.el.parser.AstValue.invoke(AstValue.java:152)
> at
> org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
> at
> com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
> ... 25 more
> Caused by: <openjpa-1.0.2-r420667:627158 nonfatal user
> error>
> org.apache.openjpa.persistence.ArgumentException: null
> at
> org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:808)
> at
> org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:769)
> at
> org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:765)
> at
> org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:517)
> at
> org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:238)
> at
> org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:277)
> at
> org.springframework.orm.jpa.JpaTemplate$9.doInJpa(JpaTemplate.java:307)
> at
> org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:185)
> ... 44 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.openjpa.jdbc.kernel.exps.PCPath.initialize(PCPath.java:445)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.initialize(SelectConstructor.java:197)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.newSelect(SelectConstructor.java:119)
> at
> org.apache.openjpa.jdbc.kernel.exps.SelectConstructor.evaluate(SelectConstructor.java:73)
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.createWhereSelects(JDBCStoreQuery.java:331)
> at
> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeQuery(JDBCStoreQuery.java:171)
> at
> org.apache.openjpa.kernel.ExpressionStoreQuery$DataStoreExecutor.executeQuery(ExpressionStoreQuery.java:676)
> at
> org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:988)
> at
> org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:799)
> ... 51 more
> --
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