Community
Participate
Working Groups
Build Identifier: 20100917-0705 When compiling an Xtext grammar this error occures when the Xtext grammar has no namespace. This could be prevented by marking an error in the grammar editor or inserting a default namespace. java.lang.StringIndexOutOfBoundsException: String index out of range: -1 at java.lang.String.substring(Unknown Source) at org.eclipse.xtext.generator.ecore.EcoreGeneratorFragment.getXmiModelDirectory(EcoreGeneratorFragment.java:483) at org.eclipse.xtext.generator.ecore.EcoreGeneratorFragment.getEcoreFileUri(EcoreGeneratorFragment.java:277) at org.eclipse.xtext.generator.ecore.EcoreGeneratorFragment.createResourceForEPackages(EcoreGeneratorFragment.java:116) at org.eclipse.xtext.generator.ecore.EcoreGeneratorFragment.generate(EcoreGeneratorFragment.java:161) at org.eclipse.xtext.generator.CompositeGeneratorFragment.generate(CompositeGeneratorFragment.java:81) at org.eclipse.xtext.generator.LanguageConfig.generate(LanguageConfig.java:69) at org.eclipse.xtext.generator.Generator.generate(Generator.java:296) at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:106) at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126) at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34) at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201) at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:31) at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:80) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:74) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:35) 9406 [main] INFO or.validation.JavaValidatorFragment - executing generate for org.eclipse.xtext.generator.validation.JavaValidatorFragment 12219 [main] ERROR g.eclipse.xtext.generator.Generator - java.lang.NullPointerException org.eclipse.emf.common.util.WrappedException: java.lang.NullPointerException at org.eclipse.xtext.generator.Generator.mergeManifest(Generator.java:353) at org.eclipse.xtext.generator.Generator.generateManifestRt(Generator.java:320) at org.eclipse.xtext.generator.Generator.invokeInternal(Generator.java:115) at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:126) at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:34) at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(AbstractWorkflowComponent.java:201) at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.invoke(AbstractCompositeWorkflowComponent.java:31) at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:80) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:52) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.run(Mwe2Launcher.java:74) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main(Mwe2Launcher.java:35) Caused by: java.lang.NullPointerException at org.eclipse.xtext.generator.MergeableManifest.mergeIntoCommaSeparatedList(MergeableManifest.java:278) at org.eclipse.xtext.generator.MergeableManifest.addExportedPackages(MergeableManifest.java:254) at org.eclipse.xtext.generator.Generator.mergeManifest(Generator.java:341) ... 11 more Reproducible: Always Steps to Reproduce: 1. Define an Xtext grammar without a namespace. 2. Generate the plugins for this grammar. 3.
There's now a constraint requireing a namespace.
Requested via bug 522520. -M.