I'm getting exceptions when I use ejbSelect methods but only when they are
called from within ejbHome methods. I can create an ejbSelect method and then
use it in a method in the bean class and it works fine. I can also create a
home method and call it from a session bean for instance and it works fine, but
when I copy the exact same code in the bean method to the home method I get an
exception from Jboss. Has anyone else gotten ejbSelect methods to work from
within home methods? I'm currently using the 1/9/2002 nightly snapshot from
cvs for this, but the same problem exists for me in a snapshot from November.
Any help would be appreciated on what I might be doing wrong.
Thanks,
Jason
Example code and the exception is below:
public abstract class IssueBean extends GenericBean {
...
public abstract Collection ejbSelectLastModifiedDates(Integer productId)
throws FinderException;
// Calling this home method throws an exception when the ejbSelect call is
made
public Date ejbHomeLatestModificationDate(Integer productId) {
System.out.println("Product Id = " + productId);
try {
Collection dates = ejbSelectLastModifiedDates(productId);
System.out.println("dates contained " + dates.size() + "
elements");
} catch(FinderException fe) {
}
return new Date();
}
// Calling this method on a IssueLocal object returns the correct size of
the collection
public int getNumberDate() {
try {
Collection dates = ejbSelectLastModifiedDates(this.getId());
System.out.println("dates contained " + dates.size() + "
elements");
return dates.size();
} catch(FinderException fe) {
}
return 0;
}
}
public interface IssueLocal extends EJBLocalObject {
...
public IssueModel getModel();
}
public interface IssueLocalHome extends EJBLocalHome {
public IssueLocal create(Integer value) throws CreateException;
public IssueLocal findByPrimaryKey(Integer value) throws FinderException;
public Date latestModificationDate(Integer productId);
}
ejb-jar info:
<query>
<description>Selects all lastModificationDates from a Product's
Issues</description>
<query-method>
<method-name>ejbSelectLastModifiedDates</method-name>
<method-params>
<method-param>java.lang.Integer</method-param>
</method-params>
</query-method>
<ejb-ql>SELECT i.lastModifiedDate FROM Issue AS i WHERE i.product.id =
?1</ejb-ql>
</query>
Exception is:
12:04:55,540 ERROR [StatelessSessionContainer] invoke returned an exception
java.rmi.ServerException: null
Embedded Exception
null; nested exception is:
javax.ejb.EJBException: null
Embedded Exception
null
javax.ejb.EJBException: null
Embedded Exception
null
at
org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:634)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96)
at
org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:142)
at
org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:62)
at
org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:127)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:166)
at
org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainer.java:289)
at org.jboss.ejb.Container.invoke(Container.java:609)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at
org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:113)
at
org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:149)
at org.jboss.proxy.ejb.GenericProxy.invoke(GenericProxy.java:182)
at
org.jboss.proxy.ejb.StatelessSessionProxy.invoke(StatelessSessionProxy.java:110)
at $Proxy157.getLatestIssueDateByProductId(Unknown Source)
at
org.apache.jsp.list_0005fissues_0005fby_0005fproduct$jsp._jspService(list_0005fissues_0005fby_0005fproduct$jsp.java:159)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:291)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:542)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1265)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1219)
at org.mortbay.http.HttpServer.service(HttpServer.java:725)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:745)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:918)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:760)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:138)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:287)
at org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:715)
at java.lang.Thread.run(Unknown Source)
java.rmi.ServerException: null
Embedded Exception
null; nested exception is:
javax.ejb.EJBException: null
Embedded Exception
null
javax.ejb.EJBException: null
Embedded Exception
null
at
org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:968)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:73)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:73)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:221)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:136)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:80)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:98)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:158)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:55)
at
org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:102)
at
org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:109)
at org.jboss.ejb.EntityContainer.invokeHome(EntityContainer.java:429)
at
org.jboss.ejb.plugins.local.BaseLocalContainerInvoker.invokeHome(BaseLocalContainerInvoker.java:281)
at
org.jboss.ejb.plugins.local.BaseLocalContainerInvoker$HomeProxy.invoke(BaseLocalContainerInvoker.java:432)
at $Proxy145.latestModificationDate(Unknown Source)
at
cowsultants.itracker.ejb.beans.session.IssueHandlerBean.getLatestIssueDateByProductId(IssueHandlerBean.java:126)
at java.lang.reflect.Method.invoke(Native Method)
at
org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:623)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96)
at
org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:142)
at
org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:62)
at
org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:127)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:166)
at
org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainer.java:289)
at org.jboss.ejb.Container.invoke(Container.java:609)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at
org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:113)
at
org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:149)
at org.jboss.proxy.ejb.GenericProxy.invoke(GenericProxy.java:182)
at
org.jboss.proxy.ejb.StatelessSessionProxy.invoke(StatelessSessionProxy.java:110)
at $Proxy157.getLatestIssueDateByProductId(Unknown Source)
at
org.apache.jsp.list_0005fissues_0005fby_0005fproduct$jsp._jspService(list_0005fissues_0005fby_0005fproduct$jsp.java:159)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:291)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:542)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1265)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1219)
at org.mortbay.http.HttpServer.service(HttpServer.java:725)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:745)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:918)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:760)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:138)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:287)
at org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:715)
at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
at
org.jboss.ejb.plugins.cmp.bridge.EntityBridgeInvocationHandler.invoke(EntityBridgeInvocationHandler.java:131)
at
org.jboss.proxy.compiler.ProxyCompiler$Runtime.invoke(ProxyCompiler.java:89)
at
cowsultants.itracker.ejb.beans.entity.IssueBean$Proxy.ejbSelectLastModifiedDates(Unknown
Source)
at
cowsultants.itracker.ejb.beans.entity.IssueBean.ejbHomeLatestModificationDate(IssueBean.java:50)
at java.lang.reflect.Method.invoke(Native Method)
at
org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:957)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:73)
at
org.jboss.ejb.plugins.AbstractInterceptor.invokeHome(AbstractInterceptor.java:73)
at
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:221)
at
org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:136)
at
org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:80)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:98)
at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:158)
at
org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:55)
at
org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:102)
at
org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:109)
at org.jboss.ejb.EntityContainer.invokeHome(EntityContainer.java:429)
at
org.jboss.ejb.plugins.local.BaseLocalContainerInvoker.invokeHome(BaseLocalContainerInvoker.java:281)
at
org.jboss.ejb.plugins.local.BaseLocalContainerInvoker$HomeProxy.invoke(BaseLocalContainerInvoker.java:432)
at $Proxy145.latestModificationDate(Unknown Source)
at
cowsultants.itracker.ejb.beans.session.IssueHandlerBean.getLatestIssueDateByProductId(IssueHandlerBean.java:126)
at java.lang.reflect.Method.invoke(Native Method)
at
org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:623)
at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:96)
at
org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:142)
at
org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:62)
at
org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77)
at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:127)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:166)
at
org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainer.java:289)
at org.jboss.ejb.Container.invoke(Container.java:609)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at
com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at
org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:113)
at
org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:149)
at org.jboss.proxy.ejb.GenericProxy.invoke(GenericProxy.java:182)
at
org.jboss.proxy.ejb.StatelessSessionProxy.invoke(StatelessSessionProxy.java:110)
at $Proxy157.getLatestIssueDateByProductId(Unknown Source)
at
org.apache.jsp.list_0005fissues_0005fby_0005fproduct$jsp._jspService(list_0005fissues_0005fby_0005fproduct$jsp.java:159)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:291)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:542)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1265)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1219)
at org.mortbay.http.HttpServer.service(HttpServer.java:725)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:745)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:918)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:760)
at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:138)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:287)
at org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:715)
at java.lang.Thread.run(Unknown Source)
12:04:56,812 INFO [Default] ServerException (java.rmi.ServerException) in
list_issues_by_product: null
Embedded Exception
null; nested exception is:
javax.ejb.EJBException: null
Embedded Exception
null
=====
--
Jason Carroll
[EMAIL PROTECTED]
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