Description:
String query = "SELECT ID FROM SMALLEMPLOYEE ORDER BY RAND() LIMIT 1";
List<Long> ids = new ArrayList<Long>(max);
for (int i = 0; i < max; i++) {
Query q = em.createNativeQuery(query);
ids.add((Long) q.getSingleResult());
}
Using persistence.xml:
<persistence-unit name="BM" transaction-type="JTA">
<provider>
org.apache.openjpa.persistence.PersistenceProviderImpl
</provider>
<jta-data-source>jdbc/bm</jta-data-source>
<class>persist.BigCompany</class>
<class>persist.SmallEmployee</class>
<properties>
<property name="openjpa.BrokerFactory" value="ndb"/>
<property name="openjpa.ndb.connectString" value="localhost:1186"/>
<property name="openjpa.jdbc.SynchronizeMappings"
value="buildSchema(SchemaAction='add')"/>
<property name="openjpa.jdbc.DBDictionary" value="TableType=ndb" />
<property name="openjpa.ConnectionRetainMode" value="transaction"/>
<property name="openjpa.ndb.database" value="bm"/>
<property name="openjpa.ndb.connectVerbose" value="0"/>
<property name="openjpa.DataCache" value="false"/>
</properties>
</persistence-unit>
Generates the following exception:
Caused by: <openjpa-1.2.2-r422266:898935 nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:610)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:795)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:775)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:771)
at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:517)
at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:255)
at org.apache.openjpa.persistence.QueryImpl.getSingleResult(QueryImpl.java:317)
at com.sun.enterprise.util.QueryWrapper.getSingleResult(QueryWrapper.java:212)
at loader.MyLoader.getSmallEmployees(MyLoader.java:192)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1011)
at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:175)
at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2929)
at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4020)
at com.sun.ejb.containers.WebServiceInvocationHandler.invoke(WebServiceInvocationHandler.java:190)
... 62 more
Caused by: java.lang.NullPointerException
at org.apache.openjpa.kernel.ExpressionStoreQuery.newCompilation(ExpressionStoreQuery.java:149)
at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:657)
at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:639)
at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:605)
... 79 more
|#]
How to repeat:
See above...
Full exception
javax.ejb.EJBException
at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:3903)
at com.sun.ejb.containers.BaseContainer.checkExceptionNoTx(BaseContainer.java:3735)
at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:3583)
at com.sun.ejb.containers.WebServiceInvocationHandler.invoke(WebServiceInvocationHandler.java:201)
at $Proxy225.getSmallEmployees(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.webservice.InvokerImpl.invoke(InvokerImpl.java:78)
at com.sun.enterprise.webservice.EjbInvokerImpl.invoke(EjbInvokerImpl.java:82)
at com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:146)
at com.sun.xml.ws.server.sei.EndpointMethodHandler.invoke(EndpointMethodHandler.java:257)
at com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:93)
at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106)
at com.sun.enterprise.webservice.MonitoringPipe.process(MonitoringPipe.java:147)
at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115)
at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
at com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl.process(AbstractTubeImpl.java:106)
at com.sun.enterprise.webservice.CommonServerSecurityPipe.processRequest(CommonServerSecurityPipe.java:222)
at com.sun.enterprise.webservice.CommonServerSecurityPipe.process(CommonServerSecurityPipe.java:133)
at com.sun.xml.ws.api.pipe.helper.PipeAdapter.processRequest(PipeAdapter.java:115)
at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:595)
at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:554)
at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:539)
at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:436)
at com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:243)
at com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:444)
at com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:244)
at com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:135)
at com.sun.enterprise.webservice.Ejb3MessageDispatcher.handlePost(Ejb3MessageDispatcher.java:113)
at com.sun.enterprise.webservice.Ejb3MessageDispatcher.invoke(Ejb3MessageDispatcher.java:87)
at com.sun.enterprise.webservice.EjbWebServiceServlet.dispatchToEjbEndpoint(EjbWebServiceServlet.java:231)
at com.sun.enterprise.webservice.EjbWebServiceServlet.service(EjbWebServiceServlet.java:157)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sun.enterprise.web.AdHocContextValve.invoke(AdHocContextValve.java:114)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:87)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:666)
at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:597)
at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:872)
at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:264)
at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:117)
Caused by: <openjpa-1.2.2-r422266:898935 nonfatal general error> org.apache.openjpa.persistence.PersistenceException: null
at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:610)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:795)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:775)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:771)
at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:517)
at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:255)
at org.apache.openjpa.persistence.QueryImpl.getSingleResult(QueryImpl.java:317)
at com.sun.enterprise.util.QueryWrapper.getSingleResult(QueryWrapper.java:212)
at loader.MyLoader.getSmallEmployees(MyLoader.java:192)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1011)
at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:175)
at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2929)
at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4020)
at com.sun.ejb.containers.WebServiceInvocationHandler.invoke(WebServiceInvocationHandler.java:190)
... 62 more
Caused by: java.lang.NullPointerException
at org.apache.openjpa.kernel.ExpressionStoreQuery.newCompilation(ExpressionStoreQuery.java:149)
at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:657)
at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:639)
at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:605)
... 79 more
|#]
Suggested fix:
My guess is that the problem is that the native query does not match with the DBDictionary. Which makes OpenJPA crash. The other option is that native queries are not supported by JPACluster.