Failed to execute goal (generate-scr-scrdescriptor) on project Unable to load compiled class | Community
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March 12, 2017
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Failed to execute goal (generate-scr-scrdescriptor) on project Unable to load compiled class

  • March 12, 2017
  • 12 replies
  • 5804 views

Hi There,

am using the below plugins to build my project. and one of my servlet is getting the below error. have any one faced the same issue before.?

<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.2</version> </plugin> <plugin> <groupId>org.apache.felix</groupId> <artifactId>maven-scr-plugin</artifactId> <version>1.20.0</version> <executions> <execution> <id>generate-scr-scrdescriptor</id> <goals> <goal>scr</goal> </goals> <configuration> <!-- Private service properties for all services. --> <properties> <service.vendor>Adobe</service.vendor> </properties> </configuration> </execution> </executions> <configuration> <outputDirectory>${project.build.directory}/classes</outputDirectory> </configuration> <dependencies> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-simple</artifactId> <version>1.5.11</version> </dependency> </dependencies> </plugin>

 

[ERROR] Failed to execute goal org.apache.felix:maven-scr-plugin:1.20.0:scr (generate-scr-scrdescriptor) on project osgiexample.core: E:\MY-Work\TESTProj\osgiexample\core\src\main\java\osgiexample\core\servlets\MyDataProviderServlet.java : Unable to load compiled class: osgiexample.core.servlets.MyDataProviderServlet -> [Help 1]

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Best answer by Feike_Visser1

You can remove @Component and @Service from MyDataProviderServlet, not needed when you have @SlingServlet.

After doing that it builds on my machine.

12 replies

Var
VarAuthor
New Participant
March 14, 2017

Feike Visser wrote...

You can remove @Component and @Service from MyDataProviderServlet, not needed when you have @SlingServlet.

After doing that it builds on my machine.

 

Thanks Feike & Scott for the great help. it compiles successfully after the removal of @Component and @Service. Appreciate Adobe Community work for the quick and active communication by Scott via email also. 

~VAr

    smacdonald2008
    smacdonald2008
    New Participant
    March 14, 2017

    Exactly - found that issue with the email code. 

    Feike_Visser1
    Feike_Visser1Accepted solution
    Employee
    March 14, 2017

    You can remove @Component and @Service from MyDataProviderServlet, not needed when you have @SlingServlet.

    After doing that it builds on my machine.

    Var
    VarAuthor
    New Participant
    March 13, 2017

    Var
    VarAuthor
    New Participant
    March 13, 2017

    Feike Visser wrote...

    Can you upgrade your maven version? I am using 3.3.9

     

    HI Feike, 

    Now i started getting a different error after maven upgrade and build.

    [ERROR] E:\MY-Work\testporj\osgiexample\core\src\main\java\osgiexample\core\servlets\MyDataProviderServlet.java [1:1]: Class has more than one component definition. Check the annotations and merge the definitions to a single definition.

    Code Package link ::  https://drive.google.com/file/d/0B5YKUUmw4jJaSEtkUk1ZWVF2anc/view?usp=sharing

    ~VAr

    Feike_Visser1
    Feike_Visser1
    Employee
    March 13, 2017

    Can you upgrade your maven version? I am using 3.3.9

    Var
    VarAuthor
    New Participant
    March 13, 2017

    Feike Visser wrote...

    What version of maven and Java are you using?

     

    Hi Feike,

    Am using Java version: 1.7.0_45 & Maven 3.1.1

    ~VAr

    smacdonald2008
    smacdonald2008
    New Participant
    March 13, 2017

    I can help you - but need to see more details of the code. Email me at scottm@adobe.com.  Looks like there is something mis-configured. 

    Var
    VarAuthor
    New Participant
    March 13, 2017

    smacdonald2008 wrote...

    Can you build SimpleServlet following this article: https://helpx.adobe.com/experience-manager/using/first-arch10.html

     

     

    HI Scott, am using the same archetype10 structure created project. And worte the servlet. as shown below code snippet.

    @SuppressWarnings("serial") @SlingServlet(paths="/services/mydataprovider/callservice") @Service(MyDataProvider.class) @Component(label = "Dropdown Data data provider", description = "This servlet provides data for the custom drop down", enabled = true, immediate = true, metatype = false) public class MyDataProviderServlet extends SlingAllMethodsServlet{ .. }
    Ratna_Kumar
    Ratna_Kumar
    New Participant
    March 13, 2017

    Hi,

    As scott stated, try this article how to create an AEM project by using Maven Adobe Archetype 10 and use those dependencies.

    //https://helpx.adobe.com/experience-manager/using/first-arch10.html

    Let us know, in case if you face any issues.

    ~ Ratna

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