Swagger version in pom.xml
<dependency>
<groupId>io.swagger.core.v3</groupId>
<artifactId>swagger-jaxrs2</artifactId>
<version>2.1.2</version>
</dependency>
<dependency>
<groupId>io.swagger.core.v3</groupId>
<artifactId>swagger-jaxrs2-servlet-initializer-v2</artifactId>
<version>2.1.2</version>
</dependency>
properties in pom.xml
<properties>
<maven.compiler.source>1.6</maven.compiler.source>
<maven.compiler.target>1.6</maven.compiler.target>
</properties>
In Idea, Settings - Java compiler - Target bytecode version - 1.6
I'm using WebSphere 8.5.5.9 on Windows server. On local WebSphere I don't have this problem, only on the server.