And the woes continue... :-(
The LinkDAO class is now instantiated, but when I get to building the Query
I get an error saying I don't implement javax.jdo.spi.persistenceCapable on
the class used for putting data in my collection. No document references the
need for a persistanceCapable implementation in this situation.
Full stack trace below.
When debugging in Eclipse, javaw.exe (Tomcat) even throws me a bug crash.
Here's the code again I use to retreive the data. Am I missing a step? The
OJB docs don't tell me a lot. :-/
public void retrieve(LinksBean bean, JdoPMF pmf) {
/* 1. Get the PersistenceManager */
PersistenceManager persistenceManager = pmf.getPersistenceManager();
// 2. start transaction
persistenceManager.currentTransaction().begin();
Query query = persistenceManager.newQuery(Link.class);
Collection thisCollection = (Collection) query.execute();
bean.setLinks(thisCollection);
// 3. End transaction
persistenceManager.currentTransaction().commit();
}
Any help is appreciated.
Bert
Original Exception: javax.jdo.JDOUserException: Class given to getExtent,
be.bvar.admin.links.Link, does not implement
javax.jdo.spi.PersistenceCapable
at com.sun.jdori.common.PersistenceManagerImpl.getExtent(Unknown Source)
at com.sun.jdori.common.query.QueryImpl.checkCandidates(Unknown Source)
at com.sun.jdori.common.query.QueryImpl.execute(Unknown Source)
at be.bvar.admin.links.LinksDAO.retrieve(LinksDAO.java:26)
at java.lang.reflect.Method.invoke(Native Method)
at org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:230)
at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
at
org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(Conti
nuationInterpreter.java:1105)
at
org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(Conti
nuationInterpreter.java:190)
at
org.mozilla.javascript.continuations.ContinuationInterpreter.interpret(Conti
nuationInterpreter.java:138)
at
org.mozilla.javascript.continuations.InterpretedFunctionImpl.call(Interprete
dFunctionImpl.java:121)
at org.mozilla.javascript.ScriptRuntime.call(ScriptRuntime.java:1244)
at
org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.c
allFunction(FOM_JavaScriptInterpreter.java:719)
at
org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(C
allFunctionNode.java:160)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:84)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:165)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:107)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:162)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:107)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:136)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:371)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:312)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNod
e.java:133)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:84)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invok
e(PreparableMatchNode.java:165)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:107)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(Pipel
ineNode.java:162)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invo
keNodes(AbstractParentProcessingNode.java:107)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(Pipe
linesNode.java:136)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:371)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcess
or.java:312)
at org.apache.cocoon.Cocoon.process(Cocoon.java:656)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1112)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:256)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:171)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:641)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:549)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:666)
at java.lang.Thread.run(Thread.java:479)
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