1. download jbpm-4.4 and jbpm-3.3.1.GA and install it;
2. create jBPM3 Project, use jbpm-3.3.1.GA;
3. right mouse btn click on created project -> create jBPM3 Process Definition;
4. process was created NOT in project - it was created outside -> in workspace\RemoteSystemsTempFiles;
5. delete project with sources from eclipse;
6. delete jbpm-4.4 and jbpm-3.3.1.GA from preferences;
7. close eclipse;
8. delete ..\workspace\RemoteSystemsTempFiles - whole folder;
9. start JBDS Eclipse - get exception:

File not found: C:\Users\vitali.ELTEGRA\workspace\RemoteSystemsTempFiles\.settings\org.jboss.ide.eclipse.as.core.prefs.

java.io.FileNotFoundException: C:\Users\vitali.ELTEGRA\workspace\RemoteSystemsTempFiles\.settings\org.jboss.ide.eclipse.as.core.prefs (The system cannot find the path specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at org.eclipse.core.internal.filesystem.local.LocalFile.openInputStream(LocalFile.java:362)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.read(FileSystemResourceManager.java:702)
at org.eclipse.core.internal.resources.File.getContents(File.java:293)
at org.eclipse.core.internal.resources.ProjectPreferences.load(ProjectPreferences.java:463)
at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:307)
at org.eclipse.core.internal.preferences.EclipsePreferences.getChild(EclipsePreferences.java:412)
at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:541)
at org.eclipse.core.internal.preferences.EclipsePreferences.node(EclipsePreferences.java:669)
at org.eclipse.core.resources.ProjectScope.getNode(ProjectScope.java:67)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.projectLoad(SingleDeployableFactory.java:147)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.initialize(SingleDeployableFactory.java:136)
at org.eclipse.wst.server.core.model.ModuleFactoryDelegate.initialize(ModuleFactoryDelegate.java:70)
at org.eclipse.wst.server.core.model.InternalInitializer.initializeModuleFactoryDelegate(InternalInitializer.java:63)
at org.eclipse.wst.server.core.internal.ModuleFactory.getDelegate(ModuleFactory.java:95)
at org.eclipse.wst.server.core.internal.ModuleFactory.getModules(ModuleFactory.java:131)
at org.eclipse.wst.server.core.ServerUtil.getModules(ServerUtil.java:96)
at org.eclipse.wst.server.core.internal.ResourceManager.publishHandleProjectChange(ResourceManager.java:976)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener$1.visit(ResourceManager.java:123)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:48)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener.resourceChanged(ResourceManager.java:117)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastBuildEvent(Workspace.java:311)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:147)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

Exception loading preferences from: /RemoteSystemsTempFiles/.settings/org.jboss.ide.eclipse.as.core.prefs.

org.eclipse.core.runtime.CoreException: File not found: C:\Users\vitali.ELTEGRA\workspace\RemoteSystemsTempFiles\.settings\org.jboss.ide.eclipse.as.core.prefs.
at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:55)
at org.eclipse.core.internal.filesystem.local.LocalFile.openInputStream(LocalFile.java:371)
at org.eclipse.core.internal.localstore.FileSystemResourceManager.read(FileSystemResourceManager.java:702)
at org.eclipse.core.internal.resources.File.getContents(File.java:293)
at org.eclipse.core.internal.resources.ProjectPreferences.load(ProjectPreferences.java:463)
at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:307)
at org.eclipse.core.internal.preferences.EclipsePreferences.getChild(EclipsePreferences.java:412)
at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:541)
at org.eclipse.core.internal.preferences.EclipsePreferences.node(EclipsePreferences.java:669)
at org.eclipse.core.resources.ProjectScope.getNode(ProjectScope.java:67)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.projectLoad(SingleDeployableFactory.java:147)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.initialize(SingleDeployableFactory.java:136)
at org.eclipse.wst.server.core.model.ModuleFactoryDelegate.initialize(ModuleFactoryDelegate.java:70)
at org.eclipse.wst.server.core.model.InternalInitializer.initializeModuleFactoryDelegate(InternalInitializer.java:63)
at org.eclipse.wst.server.core.internal.ModuleFactory.getDelegate(ModuleFactory.java:95)
at org.eclipse.wst.server.core.internal.ModuleFactory.getModules(ModuleFactory.java:131)
at org.eclipse.wst.server.core.ServerUtil.getModules(ServerUtil.java:96)
at org.eclipse.wst.server.core.internal.ResourceManager.publishHandleProjectChange(ResourceManager.java:976)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener$1.visit(ResourceManager.java:123)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:48)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener.resourceChanged(ResourceManager.java:117)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastBuildEvent(Workspace.java:311)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:147)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: java.io.FileNotFoundException: C:\Users\vitali.ELTEGRA\workspace\RemoteSystemsTempFiles\.settings\org.jboss.ide.eclipse.as.core.prefs (The system cannot find the path specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at org.eclipse.core.internal.filesystem.local.LocalFile.openInputStream(LocalFile.java:362)
... 29 more

Exception loading preferences from: C:/Users/vitali.ELTEGRA/workspace/RemoteSystemsTempFiles/.settings/org.jboss.ide.eclipse.as.core.prefs.

org.osgi.service.prefs.BackingStoreException: Exception loading preferences from: /RemoteSystemsTempFiles/.settings/org.jboss.ide.eclipse.as.core.prefs.
at org.eclipse.core.internal.resources.ProjectPreferences.load(ProjectPreferences.java:468)
at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:307)
at org.eclipse.core.internal.preferences.EclipsePreferences.getChild(EclipsePreferences.java:412)
at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:541)
at org.eclipse.core.internal.preferences.EclipsePreferences.node(EclipsePreferences.java:669)
at org.eclipse.core.resources.ProjectScope.getNode(ProjectScope.java:67)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.projectLoad(SingleDeployableFactory.java:147)
at org.jboss.ide.eclipse.as.core.modules.SingleDeployableFactory.initialize(SingleDeployableFactory.java:136)
at org.eclipse.wst.server.core.model.ModuleFactoryDelegate.initialize(ModuleFactoryDelegate.java:70)
at org.eclipse.wst.server.core.model.InternalInitializer.initializeModuleFactoryDelegate(InternalInitializer.java:63)
at org.eclipse.wst.server.core.internal.ModuleFactory.getDelegate(ModuleFactory.java:95)
at org.eclipse.wst.server.core.internal.ModuleFactory.getModules(ModuleFactory.java:131)
at org.eclipse.wst.server.core.ServerUtil.getModules(ServerUtil.java:96)
at org.eclipse.wst.server.core.internal.ResourceManager.publishHandleProjectChange(ResourceManager.java:976)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener$1.visit(ResourceManager.java:123)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:48)
at org.eclipse.wst.server.core.internal.ResourceManager$ServerResourceChangeListener.resourceChanged(ResourceManager.java:117)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastBuildEvent(Workspace.java:311)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:147)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)