Datasources, War and java.lang.StackOverflowError
Hi all,
I've searched everywhere for errors similar to mine, but I didn't find anything. I think I can assume that I'm doing something completely wrong :-P
I am trying to have a web application use a datasource.
I'm using mySQL. I configured the datasource with this file mysql-ds.xml file:
<?xml version="1.0" encoding="UTF-8"?> <datasources> <local-tx-datasource> <jndi-name>springCsm</jndi-name> <connection-url>jdbc:mysql://localhost:3306/spring_csm</connection-url> <driver-class>com.mysql.jdbc.Driver</driver-class> <user-name>root</user-name> <password>root</password> <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name> <metadata> <type-mapping>mySQL</type-mapping> </metadata> </local-tx-datasource> </datasources>
Then I have the web.xml file:
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>SpringCSM-ws</display-name> <servlet> <servlet-name>TestWs</servlet-name> <servlet-class>com.osdp.csm.test.TestWs</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>TestWs</servlet-name> <url-pattern>/TestWs</url-pattern> </servlet-mapping> <session-config> <session-timeout>30</session-timeout> </session-config> <resource-ref> <description>DB Connection</description> <res-ref-name>springCsm</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> </resource-ref> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> </web-app>
and the jboss-web.xml file:
<jboss-web> <resource-ref> <res-ref-name>springCsm</res-ref-name> <jndi-name>java:comp/env/springCsm</jndi-name> </resource-ref> </jboss-web>
In my client, I lookup the datasource with the following code:
@WebMethod
public String greet( @WebParam(name = "name")
String name )
{
Context ctx;
try {
ctx = new InitialContext();
Context envContext = (Context) ctx.lookup("java:comp/env");
DataSource ds = (DataSource) envContext.lookup("springCsm");
Connection conn = ds.getConnection();
} catch (Throwable e) {
throw new RuntimeException(e);
}
return "OK";
}What I get is this nasty exception:
11:39:09,843 ERROR [SOAPFaultHelperJAXWS] SOAP request exception java.lang.RuntimeException: java.lang.StackOverflowError at com.osdp.csm.test.TestWs.greet(TestWs.java:45) 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.jboss.wsf.container.jboss42.InvocationHandlerJSE.invoke(InvocationHandlerJSE.java:102) at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:221) at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:466) at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:284) at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:201) at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:134) at org.jboss.wsf.stack.jbws.EndpointServlet.service(EndpointServlet.java:84) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) 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:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) 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:446) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.StackOverflowError at java.security.AccessController.doPrivileged(Native Method) at com.sun.naming.internal.VersionHelper12.getContextClassLoader(VersionHelper12.java:158) at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:41) at javax.naming.spi.NamingManager.getObjectFactoryFromReference(NamingManager.java:129) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:302) at org.jnp.interfaces.NamingContext.getObjectInstance(NamingContext.java:1273) at org.jnp.interfaces.NamingContext.getObjectInstanceWrapFailure(NamingContext.java:1290) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:763) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627) at org.jboss.ejb3.naming.SimpleMultiplexer.createMultiplexer(SimpleMultiplexer.java:53) at org.jboss.ejb3.naming.SimpleMultiplexer.getObjectInstance(SimpleMultiplexer.java:88) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at javax.naming.spi.NamingManager.getContext(NamingManager.java:422) at javax.naming.spi.ContinuationContext.getTargetContext(ContinuationContext.java:38) at javax.naming.spi.NamingManager.getContinuationContext(NamingManager.java:770) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:773) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627) at javax.naming.InitialContext.lookup(InitialContext.java:351) at org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1209) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:758) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:774) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627) at javax.naming.InitialContext.lookup(InitialContext.java:351) at org.jnp.interfaces.NamingContext.resolveLink(NamingContext.java:1209) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:758) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:774) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
The last five lines are repeating recursively many times.
I have tried with many different little changes, but what I get is always this kind of error. Since I'm completely a newbie I think there're something importat I'm missing, but I don't know exactly what...any clue?
Regards,
GiP
/One week Jboss newbie :-)
