Overview

You are trying to create a new Dynamic Web Project in the Aurea Process 2021 R1 release of the BPM Studio, but it fails with a "Failed while installing Dynamic Web Module 3.0."  as shown below. 

When you review the BPM Studio .log file in the studio_workspace\.metadata directory you see "Failed while installing Dynamic Web Module 3.0." and "No IModelProvider exists for project P/testDyWeb of version: Dynamic Web Module 3.0" errors like the following:

!ENTRY org.eclipse.jst.j2ee 4 0 2021-05-27 09:55:54.554
!MESSAGE No IModelProvider exists for project P/testDyWeb of version: Dynamic Web Module 3.0
!STACK 0
java.lang.NullPointerException: No IModelProvider exists for project P/testDyWeb of version: Dynamic Web Module 3.0
        at org.eclipse.jst.j2ee.model.ModelProviderManager.getModelProvider(ModelProviderManager.java:101)
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.populateDefaultContent(WebFacetInstallDelegate.java:284)
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.createWeb30DeploymentDescriptor(WebFacetInstallDelegate.java:257)
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.execute(WebFacetInstallDelegate.java:122)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.callDelegate(FacetedProject.java:1477)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modifyInternal(FacetedProject.java:441)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChangesInternal(FacetedProject.java:1181)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.access$2(FacetedProject.java:1117)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$5.run(FacetedProject.java:1099)
        at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChanges(FacetedProject.java:1109)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProjectWorkingCopy.commitChanges(FacetedProjectWorkingCopy.java:2020)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard.performFinish(ModifyFacetedProjectWizard.java:400)
        at org.eclipse.wst.web.ui.internal.wizards.NewProjectDataModelFacetWizard.performFinish(NewProjectDataModelFacetWizard.java:282)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard$3.run(ModifyFacetedProjectWizard.java:331)
        at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard$4.run(ModifyFacetedProjectWizard.java:345)
        at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)

!ENTRY org.eclipse.wst.common.project.facet.core 4 0 2021-05-27 09:55:54.690
!MESSAGE Failed while installing Dynamic Web Module 3.0.
!STACK 0
java.lang.NullPointerException
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.populateDefaultContent(WebFacetInstallDelegate.java:311)
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.createWeb30DeploymentDescriptor(WebFacetInstallDelegate.java:257)
        at org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate.execute(WebFacetInstallDelegate.java:122)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.callDelegate(FacetedProject.java:1477)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.modifyInternal(FacetedProject.java:441)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChangesInternal(FacetedProject.java:1181)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.access$2(FacetedProject.java:1117)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject$5.run(FacetedProject.java:1099)
        at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProject.mergeChanges(FacetedProject.java:1109)
        at org.eclipse.wst.common.project.facet.core.internal.FacetedProjectWorkingCopy.commitChanges(FacetedProjectWorkingCopy.java:2020)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard.performFinish(ModifyFacetedProjectWizard.java:400)
        at org.eclipse.wst.web.ui.internal.wizards.NewProjectDataModelFacetWizard.performFinish(NewProjectDataModelFacetWizard.java:282)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard$3.run(ModifyFacetedProjectWizard.java:331)
        at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)
        at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard$4.run(ModifyFacetedProjectWizard.java:345)
        at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)

Solution

To avoid this error when you create your Dynamic Web Project, select 2.4 instead of 3.0 in the Dynamic web module version drop-down as shown below: