I have a RESTful web service set to call a simple Java class XMLProcessor whose function is to process an xml string and call an EJB that will then insert the parsed xml values into a database.
My problem is that if I am unable to inject the EJB in XMLProcessor. I have tried adding @Stateless at the beginning of the class :
import javax.ejb.Stateless
@Stateless
public class XMLProcessor { ...}
but once I do that, I get the following error when trying to deploy my web service:
Input stream has been finalized or forced closed without being explicitly closed; stream instantiation reported in following stack trace:
java.lang.Throwable
at com.sun.enterprise.loader.ASURLClassLoader$SentinelInputStream.<init>(ASURLClassLoader.java:1153)
at com.sun.enterprise.loader.ASURLClassLoader$InternalJarURLConnection.getInputStream(ASURLClassLoader.java:1246)
at java.net.URL.openStream(URL.java:1010)
at org.jboss.weld.util.serviceProvider.DefaultServiceLoader.reload(DefaultServiceLoader.java:183)
at org.jboss.weld.util.serviceProvider.DefaultServiceLoader.iterator(DefaultServiceLoader.java:305)
at org.jboss.weld.bootstrap.ExtensionBeanDeployer.addExtensions(ExtensionBeanDeployer.java:86)
at org.jboss.weld.bootstrap.WeldBootstrap.startInitialization(WeldBootstrap.java:352)
at org.glassfish.weld.WeldDeployer.event(WeldDeployer.java:163)
at org.glassfish.kernel.event.EventsImpl.send(EventsImpl.java:125)
at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:224)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:338)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:183)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:272)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:305)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:320)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1176)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$900(CommandRunnerImpl.java:83)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1235)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1224)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:365)
at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:204)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:166)
at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:100)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:245)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
at java.lang.Thread.run(Thread.java:680)
If I don't put @Stateless, the ejb is never injected and my ejb variable remains null.
Basically, here is the workflow:
- an @POST method gets called in my web service.
- the above method creates an XMLProcessor instance and calls the processXMLHeader
- the XMLProcessor processXMLHeader method parses the xml and calls an insert method defined in the EJB.
How do I accomplish that?
@Path("myPath")public class WebService { @Context private UriInfo context; public ErmResource() { } @POST @Produces("text/plain") public String loadFile(@Context HttpServletRequest request) { [..] XMLProcessor xmlp = new XMLProcessor(); xmlp.setHeader(header); xmlp.processXMLHeader(); }}@Statelesspublic class XMLProcessor {[...] @EJB private RESTwsEJB wsEJB; public XMLProcessor() { } public void processXMLHeader() { [...] wsEJB.insert(values); }[...]}@Stateless@LocalBeanpublic class RESTwsEJB extends AbstractEJB { public RESTwsEJB() { super(); } public void insert(String[] values) { [...] }}
I keep getting a "lookup failed in SerialContext" error when trying to do the lookup.
I have tried adding a mappedName to the stateless injection in my ejb:
@Stateless(mappedName="ejb-ws")
public class RESTwsEJB extends AbstractEJB implements RESTwsEJBLocal { ...}
and then doing the lookup this way:
service = (RESTwsEJBLocal) new InitialContext().lookup("ejb-ws/local");
But that still gives me the same error message.
I am not very familiar with jndi name lookups. How do I find out what my bean's jndi name is?
Emilie
ASKER
I was finally able to get it working. It seems that I needed a Remote Interface rather than a Local one. Using the context lookup on that type of interface worked.
I have tried adding a mappedName to the stateless injection in my ejb:
@Stateless(mappedName="ejb
public class RESTwsEJB extends AbstractEJB implements RESTwsEJBLocal { ...}
and then doing the lookup this way:
service = (RESTwsEJBLocal) new InitialContext().lookup("e
But that still gives me the same error message.
I am not very familiar with jndi name lookups. How do I find out what my bean's jndi name is?