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Re: [tycho-user] Problem with tycho-compiler-plugin with implementing a supertype method
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Hi mattias,
I dont know if it will help, but you could try to set the source level in tycho-compiler-plugin instead of maven-compiler-plugin.
Regards
Herve
----- Original Message -----
From: "Vanhoutte Mattias" <M.Vanhoutte@xxxxxxxxxxx>
To: tycho-user@xxxxxxxxxxx
Sent: Lundi 10 Septembre 2012 11:46:52
Subject: [tycho-user] Problem with tycho-compiler-plugin with implementing a supertype method
Hi,
I have made my plug-in projects in Eclipse and converted to Maven/Tycho projects. In Eclipse everything compiles:
Source of Class:
public class RemoteServiceAdminImpl implements RemoteServiceAdmin {
@Override
public Collection<ExportRegistration> exportService(ServiceReference reference, Map<String, Object> properties) {
***
}
}
It compiles in Eclipse with JDK 1.6 and JDK 1.7.
The Interface RemoteServiceAdmin is imported from a local repository which contains the bundle osgi.enterprise_4.2.0.v201108120515.jar
When I try with maven clean install from my parent project with configuration
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
Or with configuration source and target 1.7, it cannot compile.
I get this error message from tycho-compiler:
[ERROR] Failed to execute goal org.eclipse.tycho:tycho-compiler-plugin:0.15.0:compile (default-compile) on project ***: Compilation failure: Compilation failure:
[ERROR] ***/RemoteServiceAdminImpl.java:[39,0]
[ERROR] public class RemoteServiceAdminImpl implements RemoteServiceAdmin {
[ERROR] ^^^^^^^^^^^^^^^^^^^^^^
[ERROR] The type RemoteServiceAdminImpl must implement the inherited abstract method RemoteServiceAdmin.exportService(ServiceReference, Map<String,?>)
[ERROR] ***/RemoteServiceAdminImpl.java:[60,0]
[ERROR] public Collection<ExportRegistration> exportService(ServiceReference reference, Map<String, Object> properties) {
[ERROR] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ERROR] Name clash: The method exportService(ServiceReference, Map<String,Object>) of type RemoteServiceAdminImpl has the same erasure as exportService(ServiceReference, Map<String,?>) of type RemoteServiceAdmin but does not override it
[ERROR] ***/RemoteServiceAdminImpl.java:[60,0]
[ERROR] public Collection<ExportRegistration> exportService(ServiceReference reference, Map<String, Object> properties) {
[ERROR] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ERROR] The method exportService(ServiceReference, Map<String,Object>) of type RemoteServiceAdminImpl must override or implement a supertype method
[ERROR] 3 problems (3 errors)
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.eclipse.tycho:tycho-compiler-plugin:0.15.0:compile (default-compile) on project ***: Compilation failure
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
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: copied.org.apache.maven.plugin.CompilationFailureException: Compilation failure
at copied.org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:418)
at org.eclipse.tycho.compiler.AbstractOsgiCompilerMojo.execute(AbstractOsgiCompilerMojo.java:179)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 19 more
If I change in Eclipse the implementation of the method ( public Collection<ExportRegistration> exportService(ServiceReference reference, Map<String, Object> properties ) to public Collection<ExportRegistration> exportService(ServiceReference reference, Map<String, ?> properties ), Eclipse gives me an error: The method must override or implement a supertype class method.
What is the problem with this or what configuration can solve this?
Thanks,
Regards,
Mattias
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