Best way to consume RPC/encoded webservice? - java

I need to consume old-school RPC/encoded WSDL webservice for my backend. At first I tried to use Apache CXF and JAX-WS for that, but JAX-WS wsimport tool doesn't eat rpc/enoded WSDL.
[ERROR] rpc/encoded wsdls are not supported in JAXWS 2.0.
I'm also in doubt about using JAX-RPC for this job, because it's way out-dated. Axis 1.4 is 5 years old tool.
Currently I see these three options:
use JAX-WS javax.xml.ws.Dispatch to send and receive SOAP and parse it somehow, one example
use JAX-RPC and gain bad karma for using outdated technology,
do it all manually and hate myself later.
Neither of these sound too good, so I would appreciate if you could give some good leads, thought what to do and how to solve it.

UPDATE
My case was solved with hand editing WSDL from encoded to literal (basically under operations input and output use="literal" was the only replacement) and then I could generate stubs with Apache CXF. It could be done, because endpoint wasn't parsing RPC/encoded exactly and RPC/encoded spec XML couldn't be validated against WSDL).
Although Axis 1.4 may work for you, using Apache CXF with that little WSDL hack, may be a better way.
[Old answer]
For reference -- I opted for using JAX-RPC and Axis 1.4 this time. I generated client code and hopefully can replace it with JAX-WS implementation when service gets upgraded.

In case someone would like (well, "like" is not the right word here ;-) to use Axis 1.4, here is a maven plugin that can generate appropriate classes and Port interface.
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>axistools-maven-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<id>generate-sources</id>
<phase>generate-sources</phase>
<goals>
<goal>wsdl2java</goal>
</goals>
<configuration>
<!-- Use your .wsdl location here-->
<sourceDirectory>${basedir}/src/main/resources/wsdl</sourceDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<!-- Here the libraries that you need to call the Axis WS client -->
<dependencies>
<dependency>
<groupId>org.apache.axis</groupId>
<artifactId>axis</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.apache.axis</groupId>
<artifactId>axis-jaxrpc</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>commons-discovery</groupId>
<artifactId>commons-discovery</artifactId>
<version>0.5</version>
</dependency>
<dependency>
<groupId>axis</groupId>
<artifactId>axis-wsdl4j</artifactId>
<version>1.5.1</version>
</dependency>
<dependency>
<groupId>org.apache.axis</groupId>
<artifactId>axis-saaj</artifactId>
<version>1.4</version>
</dependency>
<!-- activation+mail: To stop Axis generating WARNING about "Attachment support being disabled" -->
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
</dependencies>

I have the same problem with a WS RPC style, I have a springboot project with eclipse and java 1.8 and this... WS from a provider(It means that I can't change the published wsdl).
If you're using springboot I 'm using the org.codehaus.mojo plugin to generate the sources and works.
store your wsdl in local (I put it in the root of my spring project Myspringproyectfolder/wsdl/servicio.wsdl)
In the WSDL change all the text from use="encoded" to use="literal" as the upper response says
Change in the POM plugin attributes the to the local WSDL modified instead of the original WSDL URL.
pom.xml
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jaxws-maven-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>wsimport-from-jdk</id>
<goals>
<goal>wsimport</goal>
</goals>
</execution>
</executions>
<configuration>
<wsdlUrls>
<wsdlUrl>wsdl/servicio.wsdl</wsdlUrl>
</wsdlUrls>
<keep>true</keep>
<packageName>com.cbb.facturalo.wsclient.generated</packageName>
<sourceDestDir>src/main/java</sourceDestDir>
</configuration>
</plugin>
4.- run the maven/install to generate the sources, port type, object factory, etcetc.

Related

Generate a Typed OData Client With the OData Generator: Autogenerated code does not compile with SAP library

I generated the code using a maven plugin and the code does not compile.
https://sap.github.io/cloud-sdk/docs/java/features/odata/generate-typed-odata-v2-and-v4-client-for-java
I am using the odata V2 Plugin
I am not sure how to resolve this compilation issue:
The method getHttpClient(String) in the type HttpClientAccessor is not applicable for the arguments (HttpDestinationProperties)
Here is my pom file.
<dependency>
<groupId>com.sap.cloud.s4hana.datamodel</groupId>
<artifactId>odata-core</artifactId>
<version>2.28.0</version> </dependency>
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok --> <dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.22</version> </dependency>
<!-- https://mvnrepository.com/artifact/javax.inject/javax.inject --> <dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version> </dependency>
com.sap.cloud.sdk.datamodel
odata-generator-maven-plugin
3.59.0
You're referring to correct documentation but the version number is your pom is incorrect.
In the documentation, it says 3.x.x, which as of 10.12.2022 would be 3.59.0.
<plugin>
<groupId>com.sap.cloud.sdk.datamodel</groupId>
<artifactId>odata-generator-maven-plugin</artifactId>
<!-- Please use the latest version here-->
<version>3.XX.X</version>
<executions>
<execution>
<id>generate-consumption</id>
<phase>generate-sources</phase>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<inputDirectory>${project.basedir}/edmx</inputDirectory>
<outputDirectory>${project.build.directory}/vdm</outputDirectory>
<deleteOutputDirectory>true</deleteOutputDirectory>
<packageName>com.mycompany.vdm</packageName>
<defaultBasePath>odata/v2/</defaultBasePath>
<compileScope>COMPILE</compileScope>
<serviceMethodsPerEntitySet>true</serviceMethodsPerEntitySet>
<!-- (Optional) You can add a custom copyright header:
<copyrightHeader>Copyright (c) this year, my company</copyrightHeader>
Or use the SAP copyright header:
<sapCopyrightHeader>true</sapCopyrightHeader>
-->
</configuration>
</execution>
</executions>
</plugin>
It feels like you're using an existing project based on an outdated and deprecated SDK version. Could you try generating a new project and use the maven plugin from there?
You can also check out if the service you're going to use has a pregenrated client library on the SAP API Business Hub. Check this one for example https://api.sap.com/api/API_COSTCENTERACTIVITYTYPE_SRV/cloud-sdk/Java

How to generate java stubs from protobuf for Java target 11 using maven?

I am trying to generate stub using protobuf.
My pom.xml has below code
<plugin>
<groupId>com.github.os72</groupId>
<artifactId>protoc-jar-maven-plugin</artifactId>
<version>3.8.0</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<protocVersion>3.8.0</protocVersion>
<includeStdTypes>true</includeStdTypes>
<inputDirectories>
<include>src/main/proto</include>
</inputDirectories>
<outputTargets>
<outputTarget>
<type>java</type>
</outputTarget>
<outputTarget>
<type>grpc-java</type>
<pluginArtifact>io.grpc:protoc-gen-grpc-java:1.24.0</pluginArtifact>
</outputTarget>
</outputTargets>
</configuration>
</execution>
</executions>
</plugin>
However, it generates the source files with target as Java1.8.
I am migrating my apps to Java 11, and have included the below jars in pom.xml file:
<dependency>
<groupId>com.sun.activation</groupId>
<artifactId>javax.activation</artifactId>
<version>1.2.0</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.activation-api</artifactId>
<version>1.3.2</version>
</dependency>
However maven protoc plugin generates the files Grpc.java with annotnation javax.annotation.Generated instead of javax.annotation.api.Generated
Is there any other way for generating the java stub with target version as JDK 11.
If you follow the grpc-java documentation, it instructs you to use:
<dependency> <!-- necessary for Java 9+ -->
<groupId>org.apache.tomcat</groupId>
<artifactId>annotations-api</artifactId>
<version>6.0.53</version>
<scope>provided</scope>
</dependency>
Previous versions of the examples used javax.annotation:javax.annotation-api:1.2, which does work, but it was replaced with Tomcat for licensing reasons. In your pom.xml, it seems you might have mixed up "activation" vs "annotation", which look pretty similar at a glance.
I'm not aware of a javax.annotation.api.Generated annotation. I've not seen any real evidence that javax.annotation.processing.Generated is an appropriate replacement for javax.annotation.Generated either.

Glassfish 4.1.1 and offline JSP compiler (JSP and OSGI)

As everyone knows jsp can't work with classes outside current osgi web archive bundle. This is a bug in GF. The developers of glassfish for workaround of this bug https://java.net/jira/browse/GLASSFISH-11208 offer to use offline jsp compiler (by other words to compile jsp files not during deployment time but during archive building time). Ok, and I used jspc-maven-plugin to compile my jsp during wab building.
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jspc-maven-plugin</artifactId>
<version>1.4.6</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
<id>compile</id>
</execution>
</executions>
<configuration>
</configuration>
</plugin>
The jsp are compiled and I see their .classes in built web archive.
Now the problem - how can I make glassfish use my compiled jsp but not to compile it itself? Because I see that GF ignores compiled .classes and generate .javas and compile them itself.
EDIT 1 What I make up to now:
1) I added to glassfish-web.xml
<jsp-config>
<property name="usePrecompiled" value="true"/>
<!-- to see it doesn't generate .javas -->
<property name="keepgenerated" value="true" />
</jsp-config>
2)And when I build my wab archive I have jsp classes in WEB-INF/classes/jsp/... However, I get exception that jsp file not found. When I manually move jsp classes to WEB-INF/classes/org/apache/jsp... I see that container now sees these classes but I get
StandardWrapperValve[default]: Servlet.service() for servlet default threw exception
java.lang.NoClassDefFoundError: org/apache/jsp/... (wrong name: jsp/...)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.defineClass(BundleWiringImpl.java:2370)
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2154)
at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1542)
at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:79)
at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2018)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.apache.felix.framework.Felix.loadBundleClass(Felix.java:1925)
at org.apache.felix.framework.BundleImpl.loadClass(BundleImpl.java:978)
at org.glassfish.osgijavaeebase.BundleClassLoader.loadClass(BundleClassLoader.java:79)
at org.glassfish.osgiweb.OSGiWebDeploymentContext$WABClassLoader.loadClass(OSGiWebDeploymentContext.java:169)
at org.glassfish.osgiweb.OSGiWebDeploymentContext$WABClassLoader.loadClass(OSGiWebDeploymentContext.java:154)
at org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:654)
at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:202)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:875)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:739)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:695)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:626)
So know this is the right path - org/apache/jsp. The question is how to make maven plugin to output to this direction?
EDIT 2
So I found the settings of this maven plugin -
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jspc-maven-plugin</artifactId>
<version>1.4.6</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
<id>compile</id>
<configuration>
<packageName>org.apache.jsp</packageName>
</configuration>
</execution>
</executions>
<configuration>
</configuration>
</plugin>
However, this is the final point but not result. As I get no exception, bute the returned http request is empty (blank page in browser). Seems I should use another maven plugin but which one?
So, to all steps which I did and explained in my edit it is necessary to modify web.xml file because plugin will add there mapping for servlets generated from jsp pages. So, the final settings are :
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jspc-maven-plugin</artifactId>
<version>1.4.6</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
<id>compile</id>
<configuration>
<!-- package where the compiled jsp classes will be put -->
<packageName>org.apache.jsp</packageName>
<!-- the plugin adds servlets to this web.xml file -->
<outputWebXml>${project.build.directory}/web.xml</outputWebXml>
<verbose>true</verbose>
<target>8</target>
<source>8</source>
</configuration>
</execution>
</executions>
<configuration>
</configuration>
</plugin>
EDIT
Finally I found out that the version of jasper in GlassFish 4.1 is not known or even can be modified -> I got exceptions that such method not found etc. So I ended with the following - I donwloaded the sources of this plugin and made it use the version of the jasper in glassfish. I did not do any modifications in source code of the plugin, only in pom.xml. So the final pom became:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<!--<parent>
<artifactId>mojo</artifactId>
<groupId>org.codehaus.mojo</groupId>
<version>11</version>
</parent>-->
<modelVersion>4.0.0</modelVersion>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jspc-maven-plugin</artifactId>
<version>1.4.6</version>
<packaging>maven-plugin</packaging>
<name>Maven Jspc plugin</name>
<developers>
<developer>
<name>Jeff Genender</name>
<email>jgenender#apache.org</email>
<organization>Savoir Technologies</organization>
<organizationUrl>http://www.savoirtech.com</organizationUrl>
<timezone>-7</timezone>
</developer>
</developers>
<contributors>
<contributor>
<name>Grzegorz Slowikowski</name>
<email>gs#tiger.com.pl</email>
<organization>Scott Tiger S.A.</organization>
<organizationUrl>http://www.tiger.com.pl</organizationUrl>
<timezone>+1</timezone>
</contributor>
<contributor>
<name>Pawel Pastula</name>
<email>pablo#tiger.com.pl</email>
<organization>Scott Tiger S.A.</organization>
<organizationUrl>http://www.tiger.com.pl</organizationUrl>
<timezone>+1</timezone>
</contributor>
</contributors>
<dependencies>
<!-- from glassfish 4.1.1 modules folder we need:
javax.servlet.jsp.jar
javax.servlet-api.jar
javax.servlet.jsp-api.jar
javax.el.jar
javax.servlet.jsp.jstl-api.jar
javax.servlet.jsp.jstl.jar
what versions of this jar you can find out in parent pom of glassfish
http://repo.maven.apache.org/maven2/org/glassfish/main/glassfish-parent/4.1.1/glassfish-parent-4.1.1.pom
and in manifest file
-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.2-b01</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.servlet.jsp</artifactId>
<version>2.3.3-b02</version>
</dependency>
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.el</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>javax.servlet.jsp.jstl-api</artifactId>
<version>1.2.1</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.servlet.jsp.jstl</artifactId>
<version>1.2.4</version>
</dependency>
<!-- we need this dependency as it contais tld files for core tag library -->
<dependency>
<groupId>org.eclipse.jetty.orbit</groupId>
<artifactId>org.apache.jasper.glassfish</artifactId>
<version>2.2.2.v201112011158</version>
</dependency>
<dependency>
<groupId>ant</groupId>
<artifactId>ant</artifactId>
<version>1.6.5</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-project</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.13</version>
<scope>runtime</scope>
</dependency>
</dependencies>
</project>
When you will compile you bundle you will have to add the following dependencies:
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.servlet.jsp</artifactId>
<version>2.3.3-b02</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.servlet.jsp.jstl</artifactId>
<version>1.2.4</version>
</dependency>
Besides you will need to import some packages from glassfish to make it work. So in result you can use precompiled jps files with glassfish, but you need to make some things before it. And as you see you link your code to GF.
The most important thing - you can work with classes from other osgi bundles in jsp! For those who work with osgi in java-ee this can be very important. After doing all these steps I must conclude that GF IS NOT SUPPORTED TO BE USED WITH PRECOMPILED JPS FILES in spite of suggestions from the developers.
I hope at least one will appreciate all the solution, because it seems to me this is the first description in internet how to use precompiled jps pages with GF. By the way if you use osgi and it complains it can't find classes import the necessary packages.

Conflict between httpclient version and Apache Spark

I'm developing a Java application using Apache Spark. I use this version:
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.10</artifactId>
<version>1.2.2</version>
</dependency>
In my code, there is a transitional dependency:
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version>
</dependency>
I package my application into a single JAR file. When deploying it on EC2 instance using spark-submit, I get this error.
Caused by: java.lang.NoSuchFieldError: INSTANCE
at org.apache.http.conn.ssl.SSLConnectionSocketFactory.<clinit>(SSLConnectionSocketFactory.java:144)
at com.amazonaws.http.apache.client.impl.ApacheConnectionManagerFactory.getPreferredSocketFactory(ApacheConnectionManagerFactory.java:87)
at com.amazonaws.http.apache.client.impl.ApacheConnectionManagerFactory.create(ApacheConnectionManagerFactory.java:65)
at com.amazonaws.http.apache.client.impl.ApacheConnectionManagerFactory.create(ApacheConnectionManagerFactory.java:58)
at com.amazonaws.http.apache.client.impl.ApacheHttpClientFactory.create(ApacheHttpClientFactory.java:50)
at com.amazonaws.http.apache.client.impl.ApacheHttpClientFactory.create(ApacheHttpClientFactory.java:38)
This error shows clearly that SparkSubmit has loaded an older version of the same Apache httpclient library and this conflict happens for this reason.
What is a good way to solve this issue?
For some reason, I cannot upgrade Spark on my Java code. However, I could do that with the EC2 cluster easily. Is it possible to deploy my java code on a cluster with a higher version say 1.6.1 version?
As said in your post, Spark is loading an older version of the httpclient. The solution is to use the Maven's relocation facility to produce a neat conflict-free project.
Here's an example of how to use it in your pom.xml file :
<project>
<!-- Your project definition here, with the groupId, artifactId, and it's dependencies -->
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.4.3</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<relocations>
<relocation>
<pattern>org.apache.http.client</pattern>
<shadedPattern>shaded.org.apache.http.client</shadedPattern>
</relocation>
</relocations>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
This will move all files from org.apache.http.client to shaded.org.apache.http.client, resolving the conflict.
Original post :
If this is simply a matter of transitive dependencies, you could just add this to your spark-core dependency to exclude the HttpClient used by Spark :
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_2.10</artifactId>
<version>1.2.2</version>
<scope>provided</scope>
<exclusions>
<exclusion>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
</exclusion>
</exclusions>
</dependency>
I also added the scope as provided in your dependency as it will be provided by your cluster.
However, that might muck around with Spark's internal behaviour. If you still get an error after doing this, you could try using Maven's relocation facility that should produce a neat conflict-free project.
Regarding the fact you can't upgrade Spark's version, did you use exactly this dependency declaration from mvnrepository ?
Spark being backwards compatible, there shouldn't be any problem deploying your job on a cluster with a higher version.

Generating web service proxy classes using wsdl2java/Apache CXF

I'm trying to generate a web service proxy using the wsdl2java tool that comes with Apache CXF. The generation itself seems to go just fine, but there are some errors in the generated files, a non-existing constructor is called.
The file offers a solution:
//This constructor requires JAX-WS API 2.2. You will need to endorse the 2.2
//API jar or re-run wsdl2java with "-frontend jaxws21" to generate JAX-WS 2.1
//compliant code instead.
So I set out to download and install the 2.2 version of the JAX-WS Api. I found the following installation manual explaining how to endorse these new files: http://dcx.sybase.com/1200/en/dbprogramming/httpserver-jaxws-lesson-two.html I followed every step of this guide, removed the old generated files and generated new ones, but the problem persists.
Any tips and/or tricks?
(now of course, I'm using the -frontend jaxws21 flag to generate the proxy, but still).
<defaultOptions>
<frontEnd>jaxws21</frontEnd>
</defaultOptions>
This is how I solved the issue using maven:
<plugin>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-codegen-plugin</artifactId>
<version>2.5.2</version>
<executions>
<execution>
<id>generate-sources2</id>
<configuration>
<sourceRoot>${basedir}/target/generated-sources/cxf</sourceRoot>
<defaultOptions>
<frontEnd>jaxws21</frontEnd>
</defaultOptions>
<wsdlOptions>
<wsdlOption>
<wsdl>...</wsdl>
</wsdlOption>
</wsdlOptions>
</configuration>
<goals>
<goal>wsdl2java</goal>
</goals>
</execution>
</executions>
</plugin>
EDIT: I've found another way to solve this using maven and cxf version 2.7.3. Add these libraries in your dependencies. You now dont have to use the jaxws21 option:
<dependency>
<groupId>javax.xml.ws</groupId>
<artifactId>jaxws-api</artifactId>
<version>2.2.9</version>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.2.7</version>
</dependency>

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