Maven ignora a configuração de execução

Eu estou tentando ter dois blocos de execução dentro de um plugin maven com configurações separadas, mas maven parece ignorar os blocos de configuração dentro dos blocos de execução e só usa o bloco de configuração fora do bloco de execuções.

Então, para diminuir o problema, peguei uma seção de plugins funcional e movi a configuração de trabalho um pouco para dentro do bloco de execução e então ele parou de funcionar (a wsdl ainda está sendo escolhida). porque ele está no diretório padrão, o arquivo de ligação e não da outra configuração está sendo selecionado quando a seção de configuração está dentro do bloco de execução e, na verdade, ele nem deveria estar ciente do segundo wsdl, já que eu não especificou em qualquer lugar):

<build>
    <pluginManagement>
        <plugins>
            <plugin> 
                <groupId>org.jvnet.jax-ws-commons</groupId> 
                <artifactId>jaxws-maven-plugin</artifactId> 
                <version>2.1</version> 
                <executions>
                    <execution> 
                        <id>wsdla</id>
                        <phase>generate-sources</phase>
                        <configuration> 
                            <packageName>com.mycee.project.model</packageName> 
                            <sourceDestDir>src/main/java</sourceDestDir>
                            <wsdlFiles>
                                <wsdlFile>
                                  ${basedir}/src/wsdl/a.wsdl
                                </wsdlFile>            
                            </wsdlFiles>
                            <bindingDirectory>
                                ${basedir}/src/wsdl/binding
                            </bindingDirectory>
                            <verbose>true</verbose>
                        </configuration>
                        <goals> 
                            <goal>wsimport</goal> 
                        </goals>            
                    </execution> 
                </executions>
            </plugin> 
        </plugins>  
    </pluginManagement>
</build>

Isso é um problema de maven que eu preciso resolver ou um problema de jaxws e como resolvo isso?

Se eu mudar a versão para 2.3, recebo o seguinte erro:

[ERRO] Falha ao executar o objetivo org.jvnet.jax-ws-commons: jaxws-maven-plugin: 2.3: wsimport (default-cli) no projeto mycee-project: Execução default-cli do objetivo org.jvnet.jax-ws -commons: jaxws-maven-plugin: 2.3: wsimport failed: Cadeia de índice fora do intervalo: -1 -> [Ajuda 1]

executando mvn clean jaxws: wsimport -X Eu posso ver na saída de depuração que está usando os padrões:

[DEBUG] -----------------------------------------------------------------------
[DEBUG] Goal:          org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport (default-cli)
[DEBUG] Style:         Regular
[DEBUG] Configuration: <?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <bindingDirectory default-value="${basedir}/src/jaxws"/>
  <destDir default-value="${project.build.outputDirectory}"/>
  <encoding>${project.build.sourceEncoding}</encoding>
  <extension default-value="false"/>
  <genJWS default-value="false"/>
  <implDestDir default-value="${project.build.sourceDirectory}"/>
  <keep default-value="true"/>
  <localRepository default-value="${localRepository}"/>
  <pluginArtifactMap>${plugin.artifactMap}</pluginArtifactMap>
  <quiet default-value="false"/>
  <remoteRepositories default-value="${project.pluginArtifactRepositories}"/>
  <settings>${settings}</settings>
  <sourceDestDir default-value="${project.build.directory}/generated-sources/wsimport"/>
  <staleFile default-value="${project.build.directory}/jaxws/stale"/>
  <verbose default-value="false"/>
  <wsdlDirectory default-value="${basedir}/src/wsdl"/>
  <xadditionalHeaders default-value="false"/>
  <xdebug default-value="false"/>
  <xdisableAuthenticator default-value="false"/>
  <xdisableSSLHostnameVerification default-value="false"/>
  <xnoAddressingDataBinding default-value="false"/>
  <xnocompile default-value="true"/>
  <xuseBaseResourceAndURLToLoadWSDL default-value="false"/>
  <project default-value="${project}"/>
</configuration>
[DEBUG] =======================================================================

A saída de depuração para o erro de índice fora do intervalo:

[ERROR] Failed to execute goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport (default-cli) on project mycee-project: Execution default-cli of goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport failed: String index out of range: -1 -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport (default-cli) on project mycee-project: Execution default-cli of goal org.jvnet.jax-ws-c
ommons:jaxws-maven-plugin:2.3:wsimport failed: String index out of range: -1
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-cli of goal org.jvnet.jax-ws-commons:jaxws-maven-plugin:2.3:wsimport failed: String index out of range: -1
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        ... 19 more
Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -1
        at java.lang.AbstractStringBuilder.substring(AbstractStringBuilder.java:872)
        at java.lang.StringBuilder.substring(StringBuilder.java:72)
        at org.jvnet.jax_ws_commons.jaxws.AbstractJaxwsMojo.getCP(AbstractJaxwsMojo.java:484)
        at org.jvnet.jax_ws_commons.jaxws.AbstractJaxwsMojo.exec(AbstractJaxwsMojo.java:359)
        at org.jvnet.jax_ws_commons.jaxws.WsImportMojo.processLocalWsdlFiles(WsImportMojo.java:319)
        at org.jvnet.jax_ws_commons.jaxws.WsImportMojo.execute(WsImportMojo.java:283)
        at org.jvnet.jax_ws_commons.jaxws.MainWsImportMojo.execute(MainWsImportMojo.java:50)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        ... 20 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException

Pom completo, conforme solicitado:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<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/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.mycee</groupId>
  <artifactId>mycee-project</artifactId>
  <version>0.0.1</version>
  <packaging>jar</packaging>

  <name>mycee</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <slf4j.version>1.7.2</slf4j.version>
  </properties>

  <repositories>

  </repositories>  
    <pluginRepositories>

    </pluginRepositories>  
  <dependencies>
    <!-- Junit4 Dependencies -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.10</version>
      <scope>test</scope>
    </dependency>  

    <!-- XML Dependencies -->
    <dependency>
        <groupId>javax.xml</groupId>
        <artifactId>webservices-api</artifactId>
        <version>2.0.1</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-xjc</artifactId>
        <version>2.2.7</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.ws</groupId>
        <artifactId>jaxws-rt</artifactId>
        <version>2.2.8</version>
    </dependency>
    <!-- Log Dependencies -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.16</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>jcl-over-slf4j</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
  </dependencies>

  <build>
      <pluginManagement>
        <plugins>
            <plugin> 
                <groupId>org.jvnet.jax-ws-commons</groupId> 
                <artifactId>jaxws-maven-plugin</artifactId> 
                <version>2.1</version> 
                <executions>
                    <execution> 
                        <id>basic</id>
                        <phase>generate-sources</phase>
                        <configuration> 
                            <packageName>com.mycee.project.model</packageName> 
                            <sourceDestDir>src/main/java</sourceDestDir>
                            <wsdlFiles>
                                <wsdlFile>
                                  ${basedir}/src/wsdl/wsdla.wsdl
                                </wsdlFile>            
                            </wsdlFiles>
                            <bindingDirectory>
                                ${basedir}/src/jaxws/binding
                            </bindingDirectory>
                            <verbose>true</verbose>
                            <target>2.1</target>
                        </configuration>
                        <goals> 
                            <goal>wsimport</goal> 
                        </goals>            
                    </execution> 
                </executions>
            </plugin> 
        </plugins>  
    </pluginManagement>
  </build>


</project>