Problems with swagger and jersey2
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Swag
Jul 7, 2015, 10:09:52 AM7/7/15
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Hi!
I think swagger seems really neat but I'm having some issues with it when trying to run.
Maybe it's because I'm quit unfamiliar with maven, anyhow it seems like I'm getting the som error regarding jackson.
This is the exception when trying to run agains my api-docs:
2015-07-07 15:43:33,693 [ catalina-exec-3] ERROR atalina.core.ContainerBase.[Catalina].[localhost].[/arena-rest].[jersey-servlet]:258 - Servlet.service() for servlet [jersey-servlet] in context with path [/arena-rest] threw exception [org.glassfish.jersey.server.ContainerException: java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/Versioned] with root cause
java.lang.ClassNotFoundException: com.fasterxml.jackson.core.Versioned
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1718)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2944)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1208)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
at org.json4s.jackson.JsonMethods$.<init>(JsonMethods.scala:50)
at org.json4s.jackson.JsonMethods$.<clinit>(JsonMethods.scala)
at org.json4s.jackson.Serialization$.write(Serialization.scala:22)
at com.wordnik.swagger.core.util.JsonSerializer$.asJson(JsonSerializer.scala:34)
at com.wordnik.swagger.jaxrs.listing.ResourceListingProvider.writeTo(SwaggerProviders.scala:55)
at com.wordnik.swagger.jaxrs.listing.ResourceListingProvider.writeTo(SwaggerProviders.scala:40)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.invokeWriteTo(WriterInterceptorExecutor.java:265)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.aroundWriteTo(WriterInterceptorExecutor.java:250)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.server.internal.JsonWithPaddingInterceptor.aroundWriteTo(JsonWithPaddingInterceptor.java:106)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.server.internal.MappableExceptionWrapperInterceptor.aroundWriteTo(MappableExceptionWrapperInterceptor.java:86)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.message.internal.MessageBodyFactory.writeTo(MessageBodyFactory.java:1128)
at org.glassfish.jersey.server.ServerRuntime$Responder.writeResponse(ServerRuntime.java:677)
at org.glassfish.jersey.server.ServerRuntime$Responder.processResponse(ServerRuntime.java:424)
at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:414)
at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:311)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:291)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1140)
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:403)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:386)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:334)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:221)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2441)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2430)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
2015-07-07 15:43:42,726 [ catalina-exec-5] ERROR atalina.core.ContainerBase.[Catalina].[localhost].[/arena-rest].[jersey-servlet]:258 - Servlet.service() for servlet [jersey-servlet] in context with path [/arena-rest] threw exception [org.glassfish.jersey.server.ContainerException: java.lang.NoClassDefFoundError: Could not initialize class org.json4s.jackson.JsonMethods$] with root cause
java.lang.NoClassDefFoundError: Could not initialize class org.json4s.jackson.JsonMethods$
at org.json4s.jackson.Serialization$.write(Serialization.scala:22)
at com.wordnik.swagger.core.util.JsonSerializer$.asJson(JsonSerializer.scala:34)
at com.wordnik.swagger.jaxrs.listing.ResourceListingProvider.writeTo(SwaggerProviders.scala:55)
at com.wordnik.swagger.jaxrs.listing.ResourceListingProvider.writeTo(SwaggerProviders.scala:40)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.invokeWriteTo(WriterInterceptorExecutor.java:265)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.aroundWriteTo(WriterInterceptorExecutor.java:250)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.server.internal.JsonWithPaddingInterceptor.aroundWriteTo(JsonWithPaddingInterceptor.java:106)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.server.internal.MappableExceptionWrapperInterceptor.aroundWriteTo(MappableExceptionWrapperInterceptor.java:86)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.message.internal.MessageBodyFactory.writeTo(MessageBodyFactory.java:1128)
at org.glassfish.jersey.server.ServerRuntime$Responder.writeResponse(ServerRuntime.java:677)
at org.glassfish.jersey.server.ServerRuntime$Responder.processResponse(ServerRuntime.java:424)
at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:414)
at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:311)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
The only thing I have added in my pom after introducing swagger is:
<dependency>
<groupId>com.wordnik</groupId>
<artifactId>swagger-jersey2-jaxrs_2.10</artifactId>
<version>1.3.12</version>
</dependency>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-xml</artifactId>
<version>2.11.0-M4</version>
</dependency>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>2.11.1</version>
</dependency>
Here is my dependencies for jackson:
mvn dependency:tree | grep jackson
[INFO] | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.1.2:test
[INFO] | +- com.fasterxml.jackson.core:jackson-core:jar:2.1.2:test
[INFO] | \- com.fasterxml.jackson.core:jackson-databind:jar:2.1.2:test
[INFO] | | | +- com.fasterxml.jackson.module:jackson-module-scala_2.10:jar:2.4.1:compile
[INFO] | | | | +- com.fasterxml.jackson.core:jackson-core:jar:2.1.2:test
[INFO] | | | | +- com.fasterxml.jackson.core:jackson-databind:jar:2.1.2:compile
[INFO] | | | +- com.fasterxml.jackson.core:jackson-annotations:jar:2.1.2:compile
[INFO] | | | +- com.fasterxml.jackson.module:jackson-module-jsonSchema:jar:2.4.1:compile
[INFO] | | | +- com.fasterxml.jackson.jaxrs:jackson-jaxrs-json-provider:jar:2.4.1:compile
[INFO] | | | | +- com.fasterxml.jackson.jaxrs:jackson-jaxrs-base:jar:2.4.1:compile
[INFO] | | | | \- com.fasterxml.jackson.module:jackson-module-jaxb-annotations:jar:2.4.1:compile
[INFO] | | | \- org.json4s:json4s-jackson_2.10:jar:3.2.11:compile
Can anyone spot the error?
regards
/H
Ron Ratovsky
Jul 7, 2015, 10:12:37 AM7/7/15
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Am I correct to understand this is a new integration?
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Swag
Jul 8, 2015, 1:50:04 AM7/8/15
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I'm not sure what you mean? I have a very basic rest-service written in jersey and have followed these guidelines to apply swagger:
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Ron Ratovsky
Jul 8, 2015, 2:01:12 AM7/8/15
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Follow https://github.com/swagger-api/swagger-core/wiki/Swagger-Core-Jersey-2.X-Project-Setup-1.5 instead :)
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Harald Eilert
Jul 8, 2015, 2:21:56 AM7/8/15
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This is refering to a version 1.5.0 for swagger-jersey2-jaxrs but as far as I can see 1.3.12 is the latest?
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Ron Ratovsky
Jul 8, 2015, 2:22:42 AM7/8/15
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Nope, 1.5.0 is the latest. I'm not lying!
Harald Eilert
Jul 8, 2015, 2:30:56 AM7/8/15
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Ok, sorry found it.. :-)
Another question I'm using a cors filter in my original web.xml below.
Is there anything I should think of when adding swagger as well regarding to cors?
<web-app>
<display-name>XXX Rest</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:xxx-rest-service-context.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>jersey-servlet</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>jersey.config.server.provider.packages</param-name>
<param-value>com.xxxx.xxxx.api.v1.config;com.xxxx.xxxx.filters</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>jersey-servlet</servlet-name>
<url-pattern>/api/*</url-pattern>
</servlet-mapping>
</web-app>
Ron Ratovsky
Jul 8, 2015, 2:36:05 AM7/8/15
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I don't see a cors filter there, but as long as it covers all the rest endpoints, you should be good.
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