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From "John Farrelly (JIRA)" <j...@codehaus.org>
Subject [jira] (MNG-5543) NoClassDefFoundError when using executions in maven
Date Thu, 05 Dec 2013 12:00:45 GMT

     [ https://jira.codehaus.org/browse/MNG-5543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Farrelly closed MNG-5543.
------------------------------

    Resolution: Not A Bug

Closed since this does not cause an issue when the integration-test phase is long enough for
the emailserver to start.
                
> NoClassDefFoundError when using executions in maven
> ---------------------------------------------------
>
>                 Key: MNG-5543
>                 URL: https://jira.codehaus.org/browse/MNG-5543
>             Project: Maven 2 & 3
>          Issue Type: Bug
>          Components: Integration Tests
>    Affects Versions: 3.1.1
>         Environment: Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17
16:22:22+0100)
> Maven home: /opt/apache-maven
> Java version: 1.7.0_45, vendor: Oracle Corporation
> Java home: /opt/jdk1.7.0_45/jre
> Default locale: en_IE, platform encoding: UTF-8
> OS name: "linux", version: "3.11.0-13-generic", arch: "amd64", family: "unix"
>            Reporter: John Farrelly
>
> *I've created the smallest maven POM file I can to highlight the problem (see below)*.
> I'm using an email server plugin (for integration testing).  I can launch the plugin
no problem:
> {noformat}
>     mvn emailserver:run
>     [INFO] --- emailserver-maven-plugin:1.1.1:run (default-cli) @ project ---
>     [INFO] Starting Greenmail mail server...
>     [INFO] Started Greenmail mail server
>     [INFO] Waiting for command from client
> {noformat}
> However, I have configured the plugin to run before the `integration-test` lifecycle.
 When run this way, I get a `NoClassDefFoundError`:
> {noformat}
>     mvn integration-test
>     Exception in thread "Thread-1" java.lang.NoClassDefFoundError: com/icegreen/greenmail/util/ServerSetup
> {noformat}
> When I execute maven with `-X` to see what's happening, in both cases it shows the same
dependency tree as far as I can see, so I'm at a bit of a loss as to why I'm getting an exception
which it's launched through lifecycle phases.  Hopefully someone can help!
> {code:xml}
>     <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">
>         <modelVersion>4.0.0</modelVersion>
>         <groupId>com.mytest</groupId>
>         <artifactId>project</artifactId>
>         <packaging>jar</packaging>
>         <version>1.0</version>
>         <name>Test Project</name>
>         <build>
>             <plugins>
>                 <plugin>
>                     <groupId>com.btmatthews.maven.plugins</groupId>
>                     <artifactId>emailserver-maven-plugin</artifactId>
>                     <configuration>
>                         <monitorKey>emailserver</monitorKey>
>                         <monitorPort>10025</monitorPort>
>                         <serverName>greenmail</serverName>
>                         <portOffset>13000</portOffset>
>                         <useSSL>false</useSSL>
>                     </configuration>
>                     <executions>
>                         <execution>
>                             <id>run-mail</id>
>                             <goals>
>                                 <goal>run</goal>
>                             </goals>
>                             <phase>pre-integration-test</phase>
>                             <configuration>
>                                 <daemon>true</daemon>
>                             </configuration>
>                         </execution>
>                         <execution>
>                             <id>stop-mail</id>
>                             <goals>
>                                 <goal>stop</goal>
>                             </goals>
>                             <phase>post-integration-test</phase>
>                         </execution>
>                     </executions>
>                 </plugin>
>             </plugins>
>         </build>
>     </project>
> {code}
> {noformat}
> Maven information:
>     > mvn -v
>     Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17 16:22:22+0100)
>     Maven home: /opt/apache-maven
>     Java version: 1.7.0_45, vendor: Oracle Corporation
>     Java home: /opt/jdk1.7.0_45/jre
>     Default locale: en_IE, platform encoding: UTF-8
>     OS name: "linux", version: "3.11.0-13-generic", arch: "amd64", family: "unix"
> {noformat}
> *NOTE*
> This appears to be a problem on 3.1.1 only.  I downloaded 3.0.5 and it worked as expected.

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