java - error404 accessing Restful web service using jersey framework and tomcat server -

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am facing problem accessing restful web service via url: localhost:8080/primnumbers/generator/strategy

i got error:

http status 404 - /primnumbers/generator/strategy

type status report

message /primnumbers/generator/strategy

description requested resource not available.

am using tomcat7.0.81 server , jersey1.17 framework (i have included jersey jar file under web-inf/lib in project). here web.xml file:

<?xml version="1.0" encoding="utf-8"?> <element> <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_3_0.xsd"  version="3.0">   <display-name>primnumbers</display-name>    <servlet>        <servlet-name>jersey restful application</servlet-name>        <servlet-class>com.sun.jersey.spi.container.servlet.servletcontainer</servlet-class>        <init-param>           <param-name> jersey.config.server.provider.packages</param-name>           <param-value>primenbs</param-value>        </init-param>     </servlet>     <servlet-mapping>        <servlet-name>jersey restful application</servlet-name>        <url-pattern>/*</url-pattern>     </servlet-mapping>    </web-app> </element

>

and service.java(am testing service):

package primenbs;  import javax.ws.rs.path; import javax.ws.rs.get; import javax.ws.rs.produces; import javax.ws.rs.core.mediatype;   //annotations @path("/generator")  public class primenbsgeneratorservice {      @get     @path("/strategy")     @produces(mediatype.text_html)       public string strategy1(){         boolean prime=true;         string rslt="<html><h1> prime numbers: ";         return(rslt+" test...</h1></html>");     } }

while running server got these log msgs:

> ug 22, 2017 11:22:44 org.apache.tomcat.util.digester.setpropertiesrule begin warning: [setpropertiesrule]{server/service/engine/host/context} setting property 'source' 'org.eclipse.jst.jee.server:primnumbers' did not find matching property. aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: server version:        apache tomcat/7.0.81 aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: server built:          aug 11 2017 10:21:27 utc aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: server number:         7.0.81.0 aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: os name:               linux aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: os version:            4.4.0-21-generic aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: architecture:          amd64 aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: java home:             /home/elhem/java/jre1.8.0_121 aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: jvm version:           1.8.0_121-b13 aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: jvm vendor:            oracle corporation aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: catalina_base:         /home/elhem/workspace/tomcat aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: catalina_home:         /home/elhem/workspace/tomcat aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: command line argument: -dcatalina.base=/home/elhem/workspace/tomcat aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: command line argument: -dcatalina.home=/home/elhem/workspace/tomcat aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: command line argument: -dwtp.deploy=/home/elhem/workspace/tomcat/wtpwebapps aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: command line argument: -djava.endorsed.dirs=/home/elhem/workspace/tomcat/endorsed aug 22, 2017 11:22:44 org.apache.catalina.startup.versionloggerlistener log info: command line argument: -dfile.encoding=utf-8 aug 22, 2017 11:22:44 org.apache.catalina.core.aprlifecyclelistener lifecycleevent info: apr based apache tomcat native library allows optimal performance in production environments not found on java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib aug 22, 2017 11:22:45 org.apache.coyote.abstractprotocol init info: initializing protocolhandler ["http-bio-8080"] aug 22, 2017 11:22:45 org.apache.coyote.abstractprotocol init info: initializing protocolhandler ["ajp-bio-8009"] aug 22, 2017 11:22:45 org.apache.catalina.startup.catalina load info: initialization processed in 865 ms aug 22, 2017 11:22:45 org.apache.catalina.core.standardservice startinternal info: starting service catalina aug 22, 2017 11:22:45 org.apache.catalina.core.standardengine startinternal info: starting servlet engine: apache tomcat/7.0.81 aug 22, 2017 11:22:45 org.apache.catalina.startup.tldconfig execute info: @ least 1 jar scanned tlds yet contained no tlds. enable debug logging logger complete list of jars scanned no tlds found in them. skipping unneeded jars during scanning can improve startup time , jsp compilation time. aug 22, 2017 11:22:45 org.apache.catalina.startup.hostconfig deploydirectory info: deploying web application directory /home/elhem/workspace/tomcat/webapps/host-manager aug 22, 2017 11:22:45 org.apache.catalina.startup.hostconfig deploydirectory info: deployment of web application directory /home/elhem/workspace/tomcat/webapps/host-manager has finished in 74 ms aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deploying web application directory /home/elhem/workspace/tomcat/webapps/manager aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deployment of web application directory /home/elhem/workspace/tomcat/webapps/manager has finished in 67 ms aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deploying web application directory /home/elhem/workspace/tomcat/webapps/root aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deployment of web application directory /home/elhem/workspace/tomcat/webapps/root has finished in 61 ms aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deploying web application directory /home/elhem/workspace/tomcat/webapps/docs aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deployment of web application directory /home/elhem/workspace/tomcat/webapps/docs has finished in 60 ms aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deploying web application directory /home/elhem/workspace/tomcat/webapps/examples aug 22, 2017 11:22:46 org.apache.catalina.core.applicationcontext log info: contextlistener: contextinitialized() aug 22, 2017 11:22:46 org.apache.catalina.core.applicationcontext log info: sessionlistener: contextinitialized() aug 22, 2017 11:22:46 org.apache.catalina.core.applicationcontext log info: contextlistener: attributeadded('org.apache.jasper.compiler.tldlocationscache', 'org.apache.jasper.compiler.tldlocationscache@51542878') aug 22, 2017 11:22:46 org.apache.catalina.startup.hostconfig deploydirectory info: deployment of web application directory /home/elhem/workspace/tomcat/webapps/examples has finished in 231 ms aug 22, 2017 11:22:46 org.apache.coyote.abstractprotocol start info: starting protocolhandler ["http-bio-8080"] aug 22, 2017 11:22:46 org.apache.coyote.abstractprotocol start info: starting protocolhandler ["ajp-bio-8009"] aug 22, 2017 11:22:46 org.apache.catalina.startup.catalina start info: server startup in 1397 ms

can help! appreciating.

you have problem web.xml.

you create servlet name jersey restful application , mapping servlet name primnumbers. servler primnumbers not exists.

so need make servletand servlet-mapping use same name.

like this:

  <servlet>        <servlet-name>jersey restful application</servlet-name>        <servlet-class>com.sun.jersey.spi.container.servlet.servletcontainer</servlet-class>        <init-param>           <param-name> jersey.config.server.provider.packages</param-name>           <param-value>primenbs</param-value>        </init-param>    </servlet>    <servlet-mapping>        <servlet-name>jersey restful application</servlet-name>        <url-pattern>/*</url-pattern>    </servlet-mapping>




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