Build failed with exception can't find InternalMulticoreAllocationLexer.java.

[Benson666]

When I exe 'gradlew.bat jettyRun', the building process exit with an exception:

Caused by: java.io.FileNotFoundException: F:\download\sprotty-master\server\xtext-di agram-examples\io.typefox.sprotty.example.multicore..\io.typefox.sprotty.exampl e.multicore\src\main\xtext-gen\io\typefox\sprotty\example\multicore\parser\antlr \internal\InternalMulticoreAllocationLexer.java (system cannot find the specified file.) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.(FileInputStream.java:138) at com.google.common.io.Files$FileByteSource.openStream(Files.java:125) at com.google.common.io.Files$FileByteSource.read(Files.java:140) at com.google.common.io.Files.toByteArray(Files.java:250) at org.eclipse.xtext.generator.JavaIoFileSystemAccess.readTextFile(JavaI oFileSystemAccess.java:253) ... 18 more

    at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.handleIssues(Mwe2Bridge.java:

56) at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.invoke(Mwe2Bridge.java:48) at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.invoke(Abstrac tWorkflowComponent.java:201) at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowCompon ent.invoke(AbstractCompositeWorkflowComponent.java:35) at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:19) at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:10 2) ... 4 more :xtext-diagram-examples:io.typefox.sprotty.example.multicore:generateXtextLangua ge FAILED

Where can I get this file or skip the problem?

[JanKoehnlein]

Looks like some prior step went wrong during the execution of the workflow, as it is responsible for generating this file. Could you try gradlew -d to see if some error got swallowed?

Other than that, there seems to be a \ missing in the file path before the .. which is strange as it doesn't happen on my machine.

[Benson666]

to JanKoehnlein: Have you builded this project in windows 7 and JDK 1.8? Today,I rebuild it in another pc, and I encountered another problem:

ERROR:The method getDeclarations() from the type Program refers to the missing t ype Object (file:/F:/workspace/sprotty/server/xtext-diagram-examples/io.typefox. sprotty.example.multicore.web/src/main/java/io/typefox/sprotty/example/multicore /web/selection/SelectionService.xtend line : 42 column : 27) ERROR:The method getDeclarations() from the type Program refers to the missing t ype Object (file:/F:/workspace/sprotty/server/xtext-diagram-examples/io.typefox. sprotty.example.multicore.web/src/main/java/io/typefox/sprotty/example/multicore /web/selection/SelectionService.xtend line : 59 column : 27) ERROR:The method getAllocations() from the type Step refers to the missing type Object (file:/F:/workspace/sprotty/server/xtext-diagram-examples/io.typefox.spro tty.example.multicore.web/src/main/java/io/typefox/sprotty/example/multicore/web /selection/SelectionService.xtend line : 102 column : 37) ERROR:The method getAllocations() from the type Step refers to the missing type Object (file:/F:/workspace/sprotty/server/xtext-diagram-examples/io.typefox.spro tty.example.multicore.web/src/main/java/io/typefox/sprotty/example/multicore/web /selection/SelectionService.xtend line : 116 column : 37) ERROR:The method getDeclarations() from the type Program refers to the missing t ype Object (file:/F:/workspace/sprotty/server/xtext-diagram-examples/io.typefox. sprotty.example.multicore.web/src/main/java/io/typefox/sprotty/example/multicore /web/selection/SelectionService.xtend line : 121 column : 26)

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':xtext-diagram-examples:io.typefox.sprotty.example.mu lticore.web:generateXtext'.

  Xtext validation failed, see build log for details.

[Benson666]

Looks like some prior step went wrong during the execution of the workflow, as it is responsible for generating this file. Could you try gradlew -d to see if some error got swallowed?

Other than that, there seems to be a \ missing in the file path before the .. which is strange as it doesn't happen on my machine.

I have solved the problem. I can't build with master version,but it's ok with release 0.2.1.

[JanKoehnlein]

I tried again on master Windows 10 with a JDK 1.8 and the build went through without problems. I don't have access to a Win7 machine, but seriously doubt this is the issue.

It could be your m2 cache is corrupted because you fetched a corrupted version of Xtext. Try gradlew -d --refresh-dependencies to re-fetch snapshot deps. Other than that there is little I can do without a complete log.

[spoenemann]

I have solved the problem.

Please reopen if you still have any issues that we should look at.