Fix facade sometimes returning a null mavenProject instance, failing tests

Signed-off-by: Fred Bricon <fbricon@gmail.com>
diff --git a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/AcrPluginConfiguration.java b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/AcrPluginConfiguration.java
index 03c9dae..11e6855 100644
--- a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/AcrPluginConfiguration.java
+++ b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/AcrPluginConfiguration.java
@@ -18,6 +18,7 @@
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
 import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants;
 import org.eclipse.jst.jee.util.internal.JavaEEQuickPeek;
@@ -52,11 +53,12 @@
   
   final IMavenProjectFacade mavenProjectFacade;
 
-  public AcrPluginConfiguration(IMavenProjectFacade facade) {
+  public AcrPluginConfiguration(IMavenProjectFacade facade) throws CoreException {
 
-    MavenProject mavenProject = facade.getMavenProject();
-    if (JEEPackaging.APP_CLIENT != JEEPackaging.getValue(mavenProject.getPackaging()))
-      throw new IllegalArgumentException(Messages.AcrPluginConfiguration_Error_Project_Not_appclient);
+    MavenProject mavenProject = facade.getMavenProject(new NullProgressMonitor());
+    if (JEEPackaging.APP_CLIENT != JEEPackaging.getValue(mavenProject.getPackaging())) {
+    	throw new IllegalArgumentException(Messages.AcrPluginConfiguration_Error_Project_Not_appclient);
+    }
     
     this.mavenProjectFacade = facade;
     Plugin plugin = mavenProject.getPlugin("org.apache.maven.plugins:maven-acr-plugin"); //$NON-NLS-1$
diff --git a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/RarPluginConfiguration.java b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/RarPluginConfiguration.java
index 16273d1..7ac715e 100644
--- a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/RarPluginConfiguration.java
+++ b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/RarPluginConfiguration.java
@@ -18,6 +18,7 @@
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
 import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants;
 import org.eclipse.jst.jee.util.internal.JavaEEQuickPeek;
@@ -59,13 +60,13 @@
   final IMavenProjectFacade rarFacade;
   
   
-  public RarPluginConfiguration(IMavenProjectFacade facade) {
+  public RarPluginConfiguration(IMavenProjectFacade facade) throws CoreException {
     Assert.isNotNull(facade);
     if (JEEPackaging.RAR != JEEPackaging.getValue(facade.getPackaging()))
       throw new IllegalArgumentException(Messages.RarPluginConfiguration_Project_Must_Have_rar_Packaging);
     
     this.rarFacade = facade;
-    this.plugin = facade.getMavenProject().getPlugin("org.apache.maven.plugins:maven-rar-plugin"); //$NON-NLS-1$
+    this.plugin = facade.getMavenProject(new NullProgressMonitor()).getPlugin("org.apache.maven.plugins:maven-rar-plugin"); //$NON-NLS-1$
   }
 
   /**
diff --git a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/AppClientResourceFilteringConfiguration.java b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/AppClientResourceFilteringConfiguration.java
index af8bfc8..f3a8f2f 100644
--- a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/AppClientResourceFilteringConfiguration.java
+++ b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/AppClientResourceFilteringConfiguration.java
@@ -13,6 +13,7 @@
 
 import org.codehaus.plexus.util.xml.Xpp3Dom;
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.m2e.core.project.IMavenProjectFacade;
@@ -28,7 +29,7 @@
 
   private AcrPluginConfiguration acrPluginConfiguration;
   
-  public AppClientResourceFilteringConfiguration(IMavenProjectFacade mavenProjectFacade) {
+  public AppClientResourceFilteringConfiguration(IMavenProjectFacade mavenProjectFacade) throws CoreException {
     super(mavenProjectFacade);
     acrPluginConfiguration = new AcrPluginConfiguration(mavenProjectFacade);
   }
diff --git a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/ResourceFilteringConfigurationFactory.java b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/ResourceFilteringConfigurationFactory.java
index 73e5b36..827061b 100644
--- a/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/ResourceFilteringConfigurationFactory.java
+++ b/org.eclipse.m2e.wtp/src/org/eclipse/m2e/wtp/internal/filtering/ResourceFilteringConfigurationFactory.java
@@ -8,6 +8,7 @@
 
 package org.eclipse.m2e.wtp.internal.filtering;
 
+import org.eclipse.core.runtime.CoreException;
 import org.eclipse.m2e.core.project.IMavenProjectFacade;
 import org.eclipse.m2e.wtp.JEEPackaging;
 
@@ -19,7 +20,7 @@
 public class ResourceFilteringConfigurationFactory {
 
   //TODO Use an extension point to let 3rd party plugin register their own ResourceFilteringConfiguration 
-  public static ResourceFilteringConfiguration getConfiguration(IMavenProjectFacade mavenProjectFacade) {
+  public static ResourceFilteringConfiguration getConfiguration(IMavenProjectFacade mavenProjectFacade) throws CoreException {
 
     JEEPackaging packaging = JEEPackaging.getValue(mavenProjectFacade.getPackaging());
     if (packaging == null) {