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Type: Bug
Resolution: Obsolete
Priority: Major
Fix Version/s: None
Affects Version/s: 7.0.0.GA
Component/s: Decision Central
Labels:
- 202011outdated
- codefest
Environment:

macOS 10.12, Oracle Hotspot 1.8.0_151, Red Hat Decision Manager ER2

Steps to Reproduce:

Hide

1) Clone the following repository on your filesystem: https://github.com/jbossdemocentral/brms-coolstore-repo
2) Try to import a project from that Git repo (so from the local clone) in Decision Central. You'll get an error stating that "Ref origin/upgrade-kie-maven-plugin can not be resolved" in the stack trace.
3) Remove the "origin" from the Git repo on the local filesystem (git remote remove origin).
4) Try to import again. You'll get the same error.
5) Delete the "examples-brms-coolstore-repo.git" repo from the platform's ".niogit" dir.
6) Try to import again. The import should now work.

Show
1) Clone the following repository on your filesystem: https://github.com/jbossdemocentral/brms-coolstore-repo 2) Try to import a project from that Git repo (so from the local clone) in Decision Central. You'll get an error stating that "Ref origin/upgrade-kie-maven-plugin can not be resolved" in the stack trace. 3) Remove the "origin" from the Git repo on the local filesystem (git remote remove origin). 4) Try to import again. You'll get the same error. 5) Delete the "examples-brms-coolstore-repo.git" repo from the platform's ".niogit" dir. 6) Try to import again. The import should now work.

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

I cannot import a project from another Git repo that is on my filesystem, but which has an "origin" that contains a branch that is not checked out locally (bit of a difficult description, but super simple to reproduce).

I get the following stracktrace

13:26:39,584 ERROR [org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl] (default task-37) Error during create repository: java.lang.RuntimeException: Ref origin/upgrade-kie-maven-plugin can not be resolved
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:141)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.build(GitRepositoryBuilder.java:61)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper.newRepository(GitRepositoryFactoryHelper.java:72)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl.newRepository(RepositoryFactoryImpl.java:64)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.cloneRepository(ExamplesServiceImpl.java:285)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.resolveGitRepository(ExamplesServiceImpl.java:257)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.getProjects(ExamplesServiceImpl.java:242)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl.getProjects(LibraryServiceImpl.java:334)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.errai.bus.server.io.AbstractRPCMethodCallback.invokeMethodFromMessage(AbstractRPCMethodCallback.java:65)
	at org.jboss.errai.bus.server.io.ValueReplyRPCEndpointCallback.callback(ValueReplyRPCEndpointCallback.java:40)
	at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteServiceCallback.java:54)
	at org.jboss.errai.cdi.server.CDIExtensionPoints$2.callback(CDIExtensionPoints.java:448)
	at org.jboss.errai.bus.server.DeliveryPlan.deliver(DeliveryPlan.java:47)
	at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMessageBusImpl.java:297)
	at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDispatcher.java:46)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:96)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:113)
	at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(DefaultBlockingServlet.java:144)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
	at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:130)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecureHeadersFilter.doFilter(SecureHeadersFilter.java:110)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecurityIntegrationFilter.doFilter(SecurityIntegrationFilter.java:70)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
	at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
	at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:326)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:812)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.eclipse.jgit.api.errors.RefNotFoundException: Ref origin/upgrade-kie-maven-plugin can not be resolved
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:83)
	at org.uberfire.java.nio.fs.jgit.util.GitImpl.syncRemote(GitImpl.java:254)
	at org.uberfire.java.nio.fs.jgit.util.commands.Clone.execute(Clone.java:87)
	at org.uberfire.java.nio.fs.jgit.util.Git.clone(Git.java:91)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.createNewGitRepo(JGitFileSystemProvider.java:664)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.lambda$newFileSystem$2(JGitFileSystemProvider.java:555)
	at org.uberfire.java.nio.fs.jgit.manager.JGitFileSystemsManager.lambda$createFileSystemSupplier$0(JGitFileSystemsManager.java:103)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.lambda$get$0(MemoizedFileSystemsSupplier.java:36)
	at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.get(MemoizedFileSystemsSupplier.java:35)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProxy.getRootDirectories(JGitFileSystemProxy.java:199)
	at org.uberfire.java.nio.file.FileSystemMetadata.<init>(FileSystemMetadata.java:32)
	at org.uberfire.io.impl.AbstractIOService.registerFS(AbstractIOService.java:255)
	at org.uberfire.io.impl.AbstractIOService.newFileSystem(AbstractIOService.java:233)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.newFileSystem(GitRepositoryBuilder.java:148)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:131)
	... 79 more
Caused by: org.eclipse.jgit.api.errors.RefNotFoundException: Ref origin/upgrade-kie-maven-plugin can not be resolved
	at org.eclipse.jgit.api.CreateBranchCommand.getStartPointObjectId(CreateBranchCommand.java:283)
	at org.eclipse.jgit.api.CreateBranchCommand.call(CreateBranchCommand.java:136)
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:77)
	... 94 more

13:27:31,031 ERROR [org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl] (default task-39) Error during create repository: java.lang.RuntimeException: Create branch returned unexpected result NO_CHANGE
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:141)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.build(GitRepositoryBuilder.java:61)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper.newRepository(GitRepositoryFactoryHelper.java:72)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl.newRepository(RepositoryFactoryImpl.java:64)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.cloneRepository(ExamplesServiceImpl.java:285)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.resolveGitRepository(ExamplesServiceImpl.java:257)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.getProjects(ExamplesServiceImpl.java:242)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl.getProjects(LibraryServiceImpl.java:334)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.errai.bus.server.io.AbstractRPCMethodCallback.invokeMethodFromMessage(AbstractRPCMethodCallback.java:65)
	at org.jboss.errai.bus.server.io.ValueReplyRPCEndpointCallback.callback(ValueReplyRPCEndpointCallback.java:40)
	at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteServiceCallback.java:54)
	at org.jboss.errai.cdi.server.CDIExtensionPoints$2.callback(CDIExtensionPoints.java:448)
	at org.jboss.errai.bus.server.DeliveryPlan.deliver(DeliveryPlan.java:47)
	at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMessageBusImpl.java:297)
	at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDispatcher.java:46)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:96)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:113)
	at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(DefaultBlockingServlet.java:144)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
	at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:130)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecureHeadersFilter.doFilter(SecureHeadersFilter.java:110)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecurityIntegrationFilter.doFilter(SecurityIntegrationFilter.java:70)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
	at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
	at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:326)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:812)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.eclipse.jgit.api.errors.JGitInternalException: Create branch returned unexpected result NO_CHANGE
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:83)
	at org.uberfire.java.nio.fs.jgit.util.GitImpl.syncRemote(GitImpl.java:254)
	at org.uberfire.java.nio.fs.jgit.util.commands.Clone.execute(Clone.java:87)
	at org.uberfire.java.nio.fs.jgit.util.Git.clone(Git.java:91)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.createNewGitRepo(JGitFileSystemProvider.java:664)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.lambda$newFileSystem$2(JGitFileSystemProvider.java:555)
	at org.uberfire.java.nio.fs.jgit.manager.JGitFileSystemsManager.lambda$createFileSystemSupplier$0(JGitFileSystemsManager.java:103)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.lambda$get$0(MemoizedFileSystemsSupplier.java:36)
	at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.get(MemoizedFileSystemsSupplier.java:35)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProxy.getRootDirectories(JGitFileSystemProxy.java:199)
	at org.uberfire.java.nio.file.FileSystemMetadata.<init>(FileSystemMetadata.java:32)
	at org.uberfire.io.impl.AbstractIOService.registerFS(AbstractIOService.java:255)
	at org.uberfire.io.impl.AbstractIOService.newFileSystem(AbstractIOService.java:235)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.newFileSystem(GitRepositoryBuilder.java:148)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:131)
	... 79 more
Caused by: org.eclipse.jgit.api.errors.JGitInternalException: Create branch returned unexpected result NO_CHANGE
	at org.eclipse.jgit.api.CreateBranchCommand.call(CreateBranchCommand.java:207)
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:65)
	... 94 more

13:27:49,330 ERROR [org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl] (default task-41) Error during create repository: java.lang.RuntimeException: Create branch returned unexpected result NO_CHANGE
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:141)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.build(GitRepositoryBuilder.java:61)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper.newRepository(GitRepositoryFactoryHelper.java:72)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryFactoryHelper$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl.newRepository(RepositoryFactoryImpl.java:64)
	at org.guvnor.structure.backend.repositories.RepositoryFactoryImpl$Proxy$_$$_WeldClientProxy.newRepository(Unknown Source)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.cloneRepository(ExamplesServiceImpl.java:285)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.resolveGitRepository(ExamplesServiceImpl.java:257)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl.getProjects(ExamplesServiceImpl.java:242)
	at org.kie.workbench.common.screens.examples.backend.server.ExamplesServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl.getProjects(LibraryServiceImpl.java:334)
	at org.kie.workbench.common.screens.impl.LibraryServiceImpl$Proxy$_$$_WeldClientProxy.getProjects(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.errai.bus.server.io.AbstractRPCMethodCallback.invokeMethodFromMessage(AbstractRPCMethodCallback.java:65)
	at org.jboss.errai.bus.server.io.ValueReplyRPCEndpointCallback.callback(ValueReplyRPCEndpointCallback.java:40)
	at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteServiceCallback.java:54)
	at org.jboss.errai.cdi.server.CDIExtensionPoints$2.callback(CDIExtensionPoints.java:448)
	at org.jboss.errai.bus.server.DeliveryPlan.deliver(DeliveryPlan.java:47)
	at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMessageBusImpl.java:297)
	at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDispatcher.java:46)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:96)
	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:113)
	at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(DefaultBlockingServlet.java:144)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
	at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:130)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecureHeadersFilter.doFilter(SecureHeadersFilter.java:110)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at org.uberfire.ext.security.server.SecurityIntegrationFilter.doFilter(SecurityIntegrationFilter.java:70)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
	at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
	at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:326)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:812)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: org.eclipse.jgit.api.errors.JGitInternalException: Create branch returned unexpected result NO_CHANGE
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:83)
	at org.uberfire.java.nio.fs.jgit.util.GitImpl.syncRemote(GitImpl.java:254)
	at org.uberfire.java.nio.fs.jgit.util.commands.Clone.execute(Clone.java:87)
	at org.uberfire.java.nio.fs.jgit.util.Git.clone(Git.java:91)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.createNewGitRepo(JGitFileSystemProvider.java:664)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProvider.lambda$newFileSystem$2(JGitFileSystemProvider.java:555)
	at org.uberfire.java.nio.fs.jgit.manager.JGitFileSystemsManager.lambda$createFileSystemSupplier$0(JGitFileSystemsManager.java:103)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.lambda$get$0(MemoizedFileSystemsSupplier.java:36)
	at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
	at org.uberfire.java.nio.fs.jgit.manager.MemoizedFileSystemsSupplier.get(MemoizedFileSystemsSupplier.java:35)
	at org.uberfire.java.nio.fs.jgit.JGitFileSystemProxy.getRootDirectories(JGitFileSystemProxy.java:199)
	at org.uberfire.java.nio.file.FileSystemMetadata.<init>(FileSystemMetadata.java:32)
	at org.uberfire.io.impl.AbstractIOService.registerFS(AbstractIOService.java:255)
	at org.uberfire.io.impl.AbstractIOService.newFileSystem(AbstractIOService.java:235)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.newFileSystem(GitRepositoryBuilder.java:148)
	at org.guvnor.structure.backend.repositories.git.GitRepositoryBuilder.createFileSystem(GitRepositoryBuilder.java:131)
	... 79 more
Caused by: org.eclipse.jgit.api.errors.JGitInternalException: Create branch returned unexpected result NO_CHANGE
	at org.eclipse.jgit.api.CreateBranchCommand.call(CreateBranchCommand.java:207)
	at org.uberfire.java.nio.fs.jgit.util.commands.SyncRemote.execute(SyncRemote.java:65)
	... 94 more

What's more, even if I remove the "origin" from the Git repo on the filesystem, I still can't import my project. This seems to be related to the fact that Decision Central makes a copy of that Git repo in it's ".niogit" dir, and tries to import from that repo on the second attempt.

The only way to resolve this is to remove the "origin" from the Git repo on the filesystem and remove the Git repo copy from the ".niogit" dir. After that, re-importing the project works.

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