| Fred, 
 thanks for your explanation. You write:
 
 "In your case, your best chance is to move those classes to an
    actual jar module."
 
 I am not sure this is the problem. The classes created by the
    productioncontrol_server .war project are found just fine (may be
    that at some point I manually added a dependency to the Eclipse
    project for those classes but anyway, it works). What is not found
    are the classes in e.g. the project common_common. But common_common
    IS a regular .jar project. To me it seems that when common_common is
    closed or not in the workspace, the .jar from the server is used.
    But when common_common is open, Eclipse does not use the .jar from
    the server but the actual project. This compiles fine, but the
    classes defined in common_common are not added to the exported .war,
    neither within WEB-INF/classes, nor as a separate .jar file.
 
 Best regards,
 Markus
 
 Am 10.05.2012 09:17, schrieb Fred Bricon:
 m2e doesn't support workspace projects generating more
      than one artifact (see 
      http://dev.eclipse.org/mhonarc/lists/m2e-users/msg02514.html )
      
 More specifically, your war project declaring <archiveClasses>true doesn't produce a jar
        with 
        <classifier>classes</classifier> inside
        the workspace. In the future, we *may* be able to generate that
        extra jar at deployment time in m2e-wtp, but we're not there
        yet. 
 In your case, your best chance is to move those classes to an
        actual jar module. 
 Regards, 
 Fred Bricon 
 
        
        
          On Thu, May 10, 2012 at 9:04 AM, Markus Meyer <meyer@xxxxxxx>  wrote:
           
            Hi again,
 what can I do to increase the probability that my question
            below is answered? The problem I described is real and can
            be reproduced always with the setup I describe below. I read
            a lot on forums and tried googling for problems like this
            but did not find any hints as to what I can try to fix or
            work around the problem.
 
 Best regards,
 Markus
 
 Am 07.05.2012 12:50, schrieb Markus Meyer:
 
              
                
                  Hi everyone,
 I have the problem that dependent projects are not
                  included in the JAR deployed to Tomcat 6 when the
                  dependent project is open.
 
 My project has the following structure:
 
 customer-project depends on
 productioncontrol_server depends on
 common_common and
 common_database and
 common_geometry and
 ... some other projects and ...
 ... libraries ...
 
 You find below the pom.xml files of the
                  "customer-project", the "productioncontrol_server" and
                  "common_common".
 
 When I have a workspace with, say, "customer-project"
                  and "productioncontrol_server" open and all other
                  projects closed, the "customer-project" is built
                  successfully and can be deployed to the
                  Eclipse-internal Tomcat 6 without problems. The
                  dependent projects like "common_common",
                  "common_database" etc. are added to the
                  "productioncontrol_server" project as individual .jar
                  file and then deployed using the overlay.
 
 However, when I open a dependent project like
                  "common_common", the project "common_common" is added
                  as a dependency to the "productioncontrol_server"
                  project in Eclipse settings (which is good) and the
                  "common-....jar" file disappears from the .war file
                  deployed to the eclipse-internal Tomcat 6 server
                  (which is bad). I can check this when using
                  Export->Jar File in Eclipse that the file
                  "common-...jar" is not there anymore in the .war as
                  soon as I open the project.
 
 My environment:
 
 Eclipse Indigo Release Build ID 20110615-0604
 Eclipse EGit
 m2e 1.0.100.20110804-1717
 Maven Integration for WTP 0.14.0.20110928-2045
 
 These are my pom.xml files:
 
 POM.XML OF CUSTOMER-PROJECT
 
 <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>
 <parent>
 <artifactId>pom</artifactId>
 <groupId>com.gfii.maven</groupId>
 <version>LATEST</version>
 </parent>
 <groupId>com.gfii.productioncontrol.customer</groupId>
 <artifactId>customer</artifactId>
 <version>1.0-SNAPSHOT</version>
 <packaging>war</packaging>
 <name>productioncontrol_customer</name>
 <dependencies>
 <dependency>
 <groupId>com.gfii.productioncontrol</groupId>
 <artifactId>server</artifactId>
 <classifier>classes</classifier>
 <version>1.0-SNAPSHOT</version>
 <scope>provided</scope>
 </dependency>
 <dependency>
 <groupId>com.gfii.productioncontrol</groupId>
 <artifactId>server</artifactId>
 <version>1.0-SNAPSHOT</version>
 <type>war</type>
 <scope>runtime</scope>
 </dependency>
 </dependencies>
 <build>
 <finalName>productioncontrol-customer-${version}</finalName>
 <sourceDirectory>src</sourceDirectory>
 <testSourceDirectory>test</testSourceDirectory>
 </build>
 </project>
 
 
 POM.XML OF PRODUCTIONCONTROL_SERVER
 
 <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.gfii.productioncontrol</groupId>
 <artifactId>server</artifactId>
 <version>1.0-SNAPSHOT</version>
 <packaging>war</packaging>
 <parent>
 <groupId>com.gfii.maven</groupId>
 <artifactId>pom</artifactId>
 <version>LATEST</version>
 </parent>
 <scm>
 <connection>scm:git:ssh://git@git/productioncontrol/server</connection>
 <url>http://git/?p=productioncontrol/server.git</url>
 </scm>
 <dependencies>
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>common</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>database</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>geometry</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>jsf</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>nesting</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.common</groupId>
 <artifactId>reporting</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>com.gfii.customer.wenzel.webshop</groupId>
 <artifactId>backend_xml</artifactId>
 <version>1.0-SNAPSHOT</version>
 </dependency>
 <dependency>
 <groupId>org.apache.xmlrpc</groupId>
 <artifactId>xmlrpc-server</artifactId>
 <version>3.1.3</version>
 </dependency>
 <dependency>
 <groupId>org.jdom</groupId>
 <artifactId>jdom</artifactId>
 <version>1.1.2</version>
 </dependency>
 <dependency>
 <groupId>com.sun.mail</groupId>
 <artifactId>javax.mail</artifactId>
 <version>1.4.4</version>
 </dependency>
 <dependency>
 <groupId>com.lowagie</groupId>
 <artifactId>itext</artifactId>
 </dependency>
 <dependency>
 <groupId>com.thoughtworks.xstream</groupId>
 <artifactId>xstream</artifactId>
 <version>1.3.1</version>
 </dependency>
 <dependency>
 <groupId>commons-lang</groupId>
 <artifactId>commons-lang</artifactId>
 <version>2.5</version>
 </dependency>
 <dependency>
 <groupId>xml-apis</groupId>
 <artifactId>xml-apis</artifactId>
 <version>1.3.04</version>
 </dependency>
 <dependency>
 <groupId>backport-util-concurrent</groupId>
 <artifactId>backport-util-concurrent</artifactId>
 <version>2.2</version>
 </dependency>
 <dependency>
 <groupId>org.apache.xmlrpc</groupId>
 <artifactId>xmlrpc-common</artifactId>
 <version>3.1.3</version>
 </dependency>
 <dependency>
 <groupId>commons-net</groupId>
 <artifactId>commons-net</artifactId>
 <version>2.0</version>
 </dependency>
 <dependency>
 <groupId>net.sf.jasperreports</groupId>
 <artifactId>jasperreports</artifactId>
 <version>4.1.1</version>
 </dependency>
 <dependency>
 <groupId>org.apache.xmlrpc</groupId>
 <artifactId>xmlrpc-client</artifactId>
 <version>3.1.3</version>
 </dependency>
 <dependency>
 <groupId>org.im4java</groupId>
 <artifactId>im4java</artifactId>
 <version>1.2.0</version>
 </dependency>
 <dependency>
 <groupId>com.prowidesoftware</groupId>
 <artifactId>wife</artifactId>
 <version>6.0-RC1</version>
 </dependency>
 <dependency>
 <groupId>org.freemarker</groupId>
 <artifactId>freemarker</artifactId>
 <version>2.3.19</version>
 </dependency>
 <dependency>
 <groupId>net.sourceforge.supercsv</groupId>
 <artifactId>supercsv</artifactId>
 <version>1.52</version>
 </dependency>
 </dependencies>
 <build>
 <finalName>productioncontrol-${version}</finalName>
 <plugins>
 <plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-war-plugin</artifactId>
 <configuration>
 <warSourceDirectory>WebContent</warSourceDirectory>
 <attachClasses>true</attachClasses>
 <archiveClasses>true</archiveClasses>
 </configuration>
 </plugin>
 </plugins>
 <sourceDirectory>src</sourceDirectory>
 <testSourceDirectory>test</testSourceDirectory>
 <resources>
 <resource>
 <directory>src</directory>
 </resource>
 <resource>
 <directory>test</directory>
 </resource>
 </resources>
 </build>
 </project>
 
 
 POM.XML OF COMMON_COMMON
 
 <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.gfii.common</groupId>
 <artifactId>common</artifactId>
 <version>1.0-SNAPSHOT</version>
 <parent>
 <groupId>com.gfii.maven</groupId>
 <artifactId>pom</artifactId>
 <version>LATEST</version>
 </parent>
 <scm>
 <connection>scm:git:ssh://git@git/common/common</connection>
 <url>http://git/?p=common/common.git</url>
 </scm>
 <dependencies>
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 </dependency>
 
 <dependency>
 <groupId>xml-apis</groupId>
 <artifactId>xml-apis</artifactId>
 <version>1.3.04</version>
 </dependency>
 
 <dependency>
 <groupId>commons-net</groupId>
 <artifactId>commons-net</artifactId>
 <version>2.0</version>
 </dependency>
 
 <dependency>
 <groupId>commons-lang</groupId>
 <artifactId>commons-lang</artifactId>
 <version>2.5</version>
 </dependency>
 
 <dependency>
 <groupId>com.thoughtworks.xstream</groupId>
 <artifactId>xstream</artifactId>
 <version>1.3.1</version>
 </dependency>
 
 <dependency>
 <groupId>org.im4java</groupId>
 <artifactId>im4java</artifactId>
 <version>1.2.0</version>
 </dependency>
 <dependency>
 <groupId>org.owasp.antisamy</groupId>
 <artifactId>antisamy</artifactId>
 <version>1.4.4</version>
 </dependency>
 
 <dependency>
 <groupId>com.drewnoakes</groupId>
 <artifactId>metadata-extractor</artifactId>
 <version>2.5.0-RC3</version>
 </dependency>
 
 </dependencies>
 <build>
 <sourceDirectory>src</sourceDirectory>
 <testSourceDirectory>src/com/gfii/common/test</testSourceDirectory>
 <testResources>
 <testResource>
 <directory>test</directory>
 </testResource>
 </testResources>
 </build>
 </project>
 
 
 Any help is greatly appreciated.
 
 Best regards,
 Markus
 
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