users@jersey.java.net

[Jersey] servlet starting error

From: PRACHI DESAI <depra91_at_yahoo.co.in>
Date: Mon, 23 Sep 2013 16:51:11 +0800 (SGT)

Hi,

    I have used simple REST web service using jersey for xml responses.
web.xml:
<servlet>
    <servlet-name>jersey-servlet</servlet-name>
    <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
    <init-param>
      <param-name>com.sun.jersey.config.property.packages</param-name>
      <param-value>com.efl.efms.restful</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
 
  <servlet-mapping>
    <servlet-name>jersey-servlet</servlet-name>
    <url-pattern>/rest/*</url-pattern>
  </servlet-mapping>


And m getting servlet start error as follows-
HTTP Status 500 - Servlet.init() for servlet jersey-servlet threw exception
________________________________

type Exception report
message Servlet.init() for servlet jersey-servlet threw exception
description The server encountered an internal error (Servlet.init() for servlet
jersey-servlet threw exception) that prevented it from fulfilling this
request.
exception
javax.servlet.ServletException: Servlet.init() for servlet jersey-servlet threw exception org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) java.lang.Thread.run(Thread.java:662)
root cause
java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor com.sun.jersey.api.core.ScanningResourceConfig.init(ScanningResourceConfig.java:79) com.sun.jersey.api.core.PackagesResourceConfig.init(PackagesResourceConfig.java:104) com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:78) com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:89) com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:700) com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:678) com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:203) com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:374) com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:557) javax.servlet.GenericServlet.init(GenericServlet.java:160)
 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) java.lang.Thread.run(Thread.java:662)
root cause
java.lang.ClassNotFoundException: org.objectweb.asm.ClassVisitor org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556) com.sun.jersey.api.core.ScanningResourceConfig.init(ScanningResourceConfig.java:79) com.sun.jersey.api.core.PackagesResourceConfig.init(PackagesResourceConfig.java:104) com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:78) com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:89) com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:700) com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:678) com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:203) com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:374)
 com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:557) javax.servlet.GenericServlet.init(GenericServlet.java:160) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) java.lang.Thread.run(Thread.java:662)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.29 logs.




I request you to please help me if you can.

 
Regards,
Prachi Desai