Swagger 2 integration with Spring boot application -
getting error while integrating swagger2 spring boot application. stuck implementation. problem implementation or configuration?
below configurations have done integrate swagger2.
swaggerconfig.java
import org.springframework.context.annotation.bean; import org.springframework.context.annotation.configuration; import springfox.documentation.builders.pathselectors; import springfox.documentation.builders.requesthandlerselectors; import springfox.documentation.service.apiinfo; import springfox.documentation.spi.documentationtype; import springfox.documentation.spring.web.plugins.docket; import springfox.documentation.swagger2.annotations.enableswagger2; @configuration @enableswagger2 public class swaggerconfig { @bean public docket api(){ return new docket(documentationtype.swagger_2) .select() .apis(requesthandlerselectors.any()) .paths(pathselectors.regex("/api/.*")) .build() .apiinfo(apiinfo()); } @suppresswarnings("deprecation") private apiinfo apiinfo() { apiinfo apiinfo = new apiinfo( "my project's rest api", "this description of api.", "api tos", "me@wherever.com", "api license", "api license url", null ); return apiinfo; } } pom.xml
added required dependencies of swagger2
<dependency> <groupid>io.springfox</groupid> <artifactid>springfox-swagger2</artifactid> <version>2.5.0</version> </dependency> <dependency> <groupid>io.springfox</groupid> <artifactid>springfox-swagger-ui</artifactid> <version>2.5.0</version> </dependency> application.properties
server.port=10080 server.contextpath=/approot ------------------hibernate datasource configuration------------------ spring.datasource.url=${.service.jdbc.url} spring.datasource.username=${service.jdbc.username} spring.datasource.password=${service.jdbc.password} spring.datasource.driver-class-name=${service.jdbc.driver} spring.jpa.hibernate.ddl-auto: update spring.jpa.hibernate.naming_strategy: org.hibernate.cfg.improvednamingstrategy spring.jpa.show-sql: false ------------------tomcat access logs------------------ server.tomcat.accesslogenabled=true server.tomcat.accesslogpattern=%t responsetime=%d remotehost=%h %l thread=%i %u method=%m uri=%u status=%s bytes=%b server.tomcat.basedir=/var/log/tomcat-access error.whitelabel.enabled=false when trying access url http://localhost:10080/approot/swagger-ui.html, getting below error , nothing displayed on web page.
aug 08, 2016 11:48:05 org.apache.catalina.core.applicationdispatcher invoke severe: servlet.service() servlet dispatcherservlet threw exception javax.servlet.servletexception: circular view path [error]: dispatch current handler url [/approot/error] again. check viewresolver setup! (hint: may result of unspecified view, due default view name generation.) @ org.springframework.web.servlet.view.internalresourceview.prepareforrendering(internalresourceview.java:205) @ org.springframework.web.servlet.view.internalresourceview.rendermergedoutputmodel(internalresourceview.java:145) @ org.springframework.web.servlet.view.abstractview.render(abstractview.java:303) @ org.springframework.web.servlet.dispatcherservlet.render(dispatcherservlet.java:1228) @ org.springframework.web.servlet.dispatcherservlet.processdispatchresult(dispatcherservlet.java:1011) @ org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:955) @ org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:877) @ org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:966) @ org.springframework.web.servlet.frameworkservlet.doget(frameworkservlet.java:857) @ javax.servlet.http.httpservlet.service(httpservlet.java:618) @ org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:842) @ javax.servlet.http.httpservlet.service(httpservlet.java:725) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:291) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:206) @ org.apache.catalina.core.applicationdispatcher.invoke(applicationdispatcher.java:721) @ org.apache.catalina.core.applicationdispatcher.processrequest(applicationdispatcher.java:468) @ org.apache.catalina.core.applicationdispatcher.doforward(applicationdispatcher.java:391) @ org.apache.catalina.core.applicationdispatcher.forward(applicationdispatcher.java:318) @ org.apache.catalina.core.standardhostvalve.custom(standardhostvalve.java:433) @ org.apache.catalina.core.standardhostvalve.status(standardhostvalve.java:299) @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:176) @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:79) @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:88) @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:537) @ org.apache.coyote.http11.abstracthttp11processor.process(abstracthttp11processor.java:1085) @ org.apache.coyote.abstractprotocol$abstractconnectionhandler.process(abstractprotocol.java:658) @ org.apache.coyote.http11.http11nioprotocol$http11connectionhandler.process(http11nioprotocol.java:222) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.dorun(nioendpoint.java:1556) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.run(nioendpoint.java:1513) @ java.util.concurrent.threadpoolexecutor.runworker(unknown source) @ java.util.concurrent.threadpoolexecutor$worker.run(unknown source) @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61) @ java.lang.thread.run(unknown source) aug 08, 2016 11:48:05 org.apache.catalina.core.standardhostvalve custom severe: exception processing errorpage[errorcode=0, location=/error] javax.servlet.servletexception: circular view path [error]: dispatch current handler url [/approot/error] again. check viewresolver setup! (hint: may result of unspecified view, due default view name generation.) @ org.springframework.web.servlet.view.internalresourceview.prepareforrendering(internalresourceview.java:205) @ org.springframework.web.servlet.view.internalresourceview.rendermergedoutputmodel(internalresourceview.java:145) @ org.springframework.web.servlet.view.abstractview.render(abstractview.java:303) @ org.springframework.web.servlet.dispatcherservlet.render(dispatcherservlet.java:1228) @ org.springframework.web.servlet.dispatcherservlet.processdispatchresult(dispatcherservlet.java:1011) @ org.springframework.web.servlet.dispatcherservlet.dodispatch(dispatcherservlet.java:955) @ org.springframework.web.servlet.dispatcherservlet.doservice(dispatcherservlet.java:877) @ org.springframework.web.servlet.frameworkservlet.processrequest(frameworkservlet.java:966) @ org.springframework.web.servlet.frameworkservlet.doget(frameworkservlet.java:857) @ javax.servlet.http.httpservlet.service(httpservlet.java:618) @ org.springframework.web.servlet.frameworkservlet.service(frameworkservlet.java:842) @ javax.servlet.http.httpservlet.service(httpservlet.java:725) @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:291) @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:206) @ org.apache.catalina.core.applicationdispatcher.invoke(applicationdispatcher.java:721) @ org.apache.catalina.core.applicationdispatcher.processrequest(applicationdispatcher.java:468) @ org.apache.catalina.core.applicationdispatcher.doforward(applicationdispatcher.java:391) @ org.apache.catalina.core.applicationdispatcher.forward(applicationdispatcher.java:318) @ org.apache.catalina.core.standardhostvalve.custom(standardhostvalve.java:433) @ org.apache.catalina.core.standardhostvalve.status(standardhostvalve.java:299) @ org.apache.catalina.core.standardhostvalve.invoke(standardhostvalve.java:176) @ org.apache.catalina.valves.errorreportvalve.invoke(errorreportvalve.java:79) @ org.apache.catalina.core.standardenginevalve.invoke(standardenginevalve.java:88) @ org.apache.catalina.connector.coyoteadapter.service(coyoteadapter.java:537) @ org.apache.coyote.http11.abstracthttp11processor.process(abstracthttp11processor.java:1085) @ org.apache.coyote.abstractprotocol$abstractconnectionhandler.process(abstractprotocol.java:658) @ org.apache.coyote.http11.http11nioprotocol$http11connectionhandler.process(http11nioprotocol.java:222) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.dorun(nioendpoint.java:1556) @ org.apache.tomcat.util.net.nioendpoint$socketprocessor.run(nioendpoint.java:1513) @ java.util.concurrent.threadpoolexecutor.runworker(unknown source) @ java.util.concurrent.threadpoolexecutor$worker.run(unknown source) @ org.apache.tomcat.util.threads.taskthread$wrappingrunnable.run(taskthread.java:61) @ java.lang.thread.run(unknown source)
i found solution problem. swagger ui adds own ui related modules jar file. there should not other @enablewebmvc in application if want see swagger ui. had annotation on 1 of exceptionhandler because of getting error when trying access swagger ui.
posted blog on integration of swagger spring boot application.
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