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Home » Modeling » EMF » Error when running ecore codegen with tycho(Ecore Codegen Tycho)
Error when running ecore codegen with tycho [message #1842833] Fri, 02 July 2021 10:07 Go to next message
Rik X is currently offline Rik XFriend
Messages: 2
Registered: July 2021
Junior Member
I am trying to compile a genmodel with the tycho-eclipserun-plugin for maven.

My POM is defined as follows:
<build>
    <plugins>
        <plugin>
            <groupId>org.eclipse.tycho.extras</groupId>
            <artifactId>tycho-eclipserun-plugin</artifactId>
            <version>${tycho-version}</version>
            <executions>
                <execution>
                    <id>models_to_code</id>
                    <phase>generate-sources</phase>
                    <goals>
                        <goal>eclipse-run</goal>
                    </goals>
                    <configuration>
                        <applicationsArgs>
                            <args>-data</args>
                            <args>target/workspace</args>
                            <args>-application</args>
                            <args>org.eclipse.emf.codegen.ecore.Generator</args>
                            <args>-projects</args>
                            <args>${project.basedir}</args>
                            <args>-model</args>
                            <args>${project.basedir}/models-gen/XXX.genmodel</args>
                            <args>target/src-gen</args>
                        </applicationsArgs>
                        <dependencies>
                            <dependency>
                                <artifactId>org.eclipse.emf.codegen.ecore</artifactId>
                                <type>eclipse-plugin</type>
                            </dependency>
                        </dependencies>
                        <repositories>
                            <repository>
                                <id>eclipse</id>
                                <layout>p2</layout>
                                <url>https://download.eclipse.org/releases/2021-03</url>
                            </repository>
                        </repositories>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

The tycho version used is 2.3.0

This gives the following error in the log:
!SESSION 2021-07-02 08:08:11.006 -----------------------------------------------
eclipse.buildId=unknown
java.version=16.0.1
java.vendor=AdoptOpenJDK
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -application org.eclipse.emf.codegen.ecore.Generator -projects /app/com.XXX.models -model /app/com.XXX.models/models-gen/XXX.genmodel target/src-gen
Command-line arguments:  -data /app/com.XXX.models/target/eclipserun-work/data -data target/workspace -application org.eclipse.emf.codegen.ecore.Generator -projects /app/com.XXX.models -model /app/com.XXX.models/models-gen/XXX.genmodel target/src-gen

!ENTRY org.eclipse.osgi 4 0 2021-07-02 08:08:12.156
!MESSAGE An error occurred while automatically activating bundle org.eclipse.core.resources (10).
!STACK 0
org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:835)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:763)
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1012)
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:366)
	at org.eclipse.osgi.container.Module.doStart(Module.java:605)
	at org.eclipse.osgi.container.Module.start(Module.java:468)
	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:506)
	at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:117)
	at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:572)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:346)
	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:401)
	at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:41)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:476)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
	at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3305)
	at java.base/java.lang.Class.getConstructor0(Class.java:3510)
	at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2691)
	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:204)
	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:920)
	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:246)
	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:63)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:198)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
Caused by: java.lang.NullPointerException: Cannot invoke "org.eclipse.core.runtime.content.IContentTypeManager.addContentTypeChangeListener(org.eclipse.core.runtime.content.IContentTypeManager$IContentTypeChangeListener)" because the return value of "org.eclipse.core.runtime.Platform.getContentTypeManager()" is null
	at org.eclipse.core.internal.resources.CharsetDeltaJob.startup(CharsetDeltaJob.java:212)
	at org.eclipse.core.internal.resources.CharsetManager.startup(CharsetManager.java:505)
	at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2456)
	at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2210)
	at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:489)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:814)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:1)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:806)
	... 35 more
Root exception:
java.lang.NullPointerException: Cannot invoke "org.eclipse.core.runtime.content.IContentTypeManager.addContentTypeChangeListener(org.eclipse.core.runtime.content.IContentTypeManager$IContentTypeChangeListener)" because the return value of "org.eclipse.core.runtime.Platform.getContentTypeManager()" is null
	at org.eclipse.core.internal.resources.CharsetDeltaJob.startup(CharsetDeltaJob.java:212)
	at org.eclipse.core.internal.resources.CharsetManager.startup(CharsetManager.java:505)
	at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2456)
	at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2210)
	at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:489)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:814)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:1)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:806)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:763)
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1012)
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:366)
	at org.eclipse.osgi.container.Module.doStart(Module.java:605)
	at org.eclipse.osgi.container.Module.start(Module.java:468)
	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:506)
	at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:117)
	at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:572)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:346)
	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:401)
	at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:41)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:476)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
	at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3305)
	at java.base/java.lang.Class.getConstructor0(Class.java:3510)
	at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2691)
	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:204)
	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:920)
	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:246)
	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:63)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:198)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1434)

!ENTRY org.eclipse.osgi 4 0 2021-07-02 08:08:12.170
!MESSAGE Application error
!STACK 1
org.eclipse.core.runtime.CoreException: Plug-in "org.eclipse.emf.codegen.ecore" was unable to instantiate class "org.eclipse.emf.codegen.ecore.Generator$PlatformRunnable".
	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:212)
	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:206)
	at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:920)
	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:246)
	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:63)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:198)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
Caused by: java.lang.NoClassDefFoundError: org/eclipse/core/resources/IWorkspaceRunnable
	at java.base/java.lang.Class.getDeclaredConstructors0(Native Method)
	at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3305)
	at java.base/java.lang.Class.getConstructor0(Class.java:3510)
	at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2691)
	at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:204)
	... 16 more
Caused by: java.lang.ClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.core.resources (10).
	at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:126)
	at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:572)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:346)
	at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:401)
	at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:41)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:476)
	at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
	... 21 more
Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:835)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:763)
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1012)
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:366)
	at org.eclipse.osgi.container.Module.doStart(Module.java:605)
	at org.eclipse.osgi.container.Module.start(Module.java:468)
	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:506)
	at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:117)
	... 28 more
Caused by: java.lang.NullPointerException: Cannot invoke "org.eclipse.core.runtime.content.IContentTypeManager.addContentTypeChangeListener(org.eclipse.core.runtime.content.IContentTypeManager$IContentTypeChangeListener)" because the return value of "org.eclipse.core.runtime.Platform.getContentTypeManager()" is null
	at org.eclipse.core.internal.resources.CharsetDeltaJob.startup(CharsetDeltaJob.java:212)
	at org.eclipse.core.internal.resources.CharsetManager.startup(CharsetManager.java:505)
	at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2456)
	at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2210)
	at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:489)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:814)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$2.run(BundleContextImpl.java:1)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:806)
	... 35 more



I have fond the somewhat related post: https://www.eclipse.org/forums/index.php?t=msg&th=1106732&goto=1837262& but I cannot try that fix because I am not building the product myself but using the Eclipse product provided by tycho.
Re: Error when running ecore codegen with tycho [message #1842847 is a reply to message #1842833] Fri, 02 July 2021 15:25 Go to previous messageGo to next message
Ed Willink is currently offline Ed WillinkFriend
Messages: 7676
Registered: July 2009
Senior Member
Hi

It looks as if Eclipse is not adequately started.

You need to find out why Platform.getContentTypeManager() returns null, or more usefully what enables Platform.getContentTypeManager() to not return null during useful operation. I suspect some missing dependencies since the Tycho Eclipse start is an independent activity to OSGI Eclipse start.

https://wiki.eclipse.org/Tycho/FAQ#How_do_I_install_the_org.eclipse.osgi.compatibility.state_fragment.3F might help.

Regards

Ed Willink
Re: Error when running ecore codegen with tycho [message #1842949 is a reply to message #1842847] Wed, 07 July 2021 13:01 Go to previous messageGo to next message
Rik X is currently offline Rik XFriend
Messages: 2
Registered: July 2021
Junior Member
Thanks for the feedback, unfortunately I am still stuck.
Re: Error when running ecore codegen with tycho [message #1842956 is a reply to message #1842949] Wed, 07 July 2021 18:34 Go to previous message
Ed Willink is currently offline Ed WillinkFriend
Messages: 7676
Registered: July 2009
Senior Member
Hi

Automating the execution of auto-generation tools can be quite difficult since these tools are only used occasionally by a limited user base. I find Ant very unsatisfactory, but MWE2 quite usable and debuggable.

Automating at build-time presents further challenges whose solutions are often fragile. I have given up and on reflection I consider build-time automation misguided.

I avoid the problems by treating auto-generated sources as sources so that they ca be checked out from GIT and contributed to source distributions, avoiding the recipient from setting up the fragile automation environment

I therefore have manually invoked MWE2 scripts that auto-generate some section of the code that I can test before updating in GIT. Subsequent Tycho activities are then the very boring compile, package and test.

Regards

Ed Willink
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