### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: dom/org/eclipse/jdt/core/dom/TypeBinding.java
===================================================================
--- dom/org/eclipse/jdt/core/dom/TypeBinding.java	(revision 1774)
+++ dom/org/eclipse/jdt/core/dom/TypeBinding.java	(working copy)
@@ -44,6 +44,7 @@
 import org.eclipse.jdt.internal.core.JavaElement;
 import org.eclipse.jdt.internal.core.PackageFragment;
 import org.eclipse.objectteams.otdt.core.compiler.IOTConstants;
+import org.eclipse.objectteams.otdt.internal.core.compiler.control.Config;
 import org.eclipse.objectteams.otdt.internal.core.compiler.control.Dependencies;
 import org.eclipse.objectteams.otdt.internal.core.compiler.lookup.CallinCalloutBinding;
 import org.eclipse.objectteams.otdt.internal.core.compiler.lookup.DependentTypeBinding;
@@ -534,7 +535,20 @@
 		ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
 		ReferenceBinding[] internalInterfaces = null;
 		try {
+//{ObjectTeams: protect with minimally configured Dependencies:
+// see Bug 352605 - Eclipse is reporting "Could not retrieve superclass" every few minutes
+		  Config cfg = null;
+		  if (!Dependencies.isSetup())
+			cfg = Dependencies.setup(this, null, this.resolver.lookupEnvironment(), false, false, false, false, false, true);
+		  try {
+// orig:
 			internalInterfaces = referenceBinding.superInterfaces();
+// :giro
+		  } finally {
+			if (cfg != null)
+				Dependencies.release(this);
+		  }
+// SH}	
 		} catch (RuntimeException e) {
 			/* in case a method cannot be resolvable due to missing jars on the classpath
 			 * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
@@ -902,7 +916,20 @@
 		}
 		ReferenceBinding superclass = null;
 		try {
+//{ObjectTeams: protect with minimally configured Dependencies:
+// see Bug 352605 - Eclipse is reporting "Could not retrieve superclass" every few minutes
+		  Config cfg = null;
+		  if (!Dependencies.isSetup())
+			cfg = Dependencies.setup(this, null, this.resolver.lookupEnvironment(), false, false, false, false, false, true);
+		  try {
+// orig:
 			superclass = ((ReferenceBinding)this.binding).superclass();
+// :giro
+		  } finally {
+			if (cfg != null)
+				Dependencies.release(this);
+		  }
+// SH}
 		} catch (RuntimeException e) {
 			/* in case a method cannot be resolvable due to missing jars on the classpath
 			 * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=57871
@@ -1294,11 +1321,19 @@
 	    if (! this.binding.isRole())
 			return null;
 	    ReferenceBinding roleBinding = (ReferenceBinding) this.binding;
-	    ReferenceBinding baseclass = roleBinding.baseclass();
-	    if (baseclass == null) {
-			return null;
-		}
-	    return this.resolver.getTypeBinding(baseclass);
+	    Config cfg = null;
+	    if (!Dependencies.isSetup())
+	    	cfg = Dependencies.setup(this, null, this.resolver.lookupEnvironment(), false, false, false, false, false, true);
+	    try {
+		    ReferenceBinding baseclass = roleBinding.baseclass();
+		    if (baseclass == null) {
+				return null;
+			}
+		    return this.resolver.getTypeBinding(baseclass);
+	    } finally {
+	    	if (cfg != null)
+	    		Dependencies.release(this);
+	    }
 	}
 //	ira+SH}
 
#P org.eclipse.objectteams.otdt.ui.tests.dom
Index: src/org/eclipse/objectteams/otdt/ui/tests/dom/bindings/TypeBindingTest.java
===================================================================
--- src/org/eclipse/objectteams/otdt/ui/tests/dom/bindings/TypeBindingTest.java	(revision 1146)
+++ src/org/eclipse/objectteams/otdt/ui/tests/dom/bindings/TypeBindingTest.java	(working copy)
@@ -22,19 +22,19 @@
 
 import junit.framework.Test;
 
+import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.dom.AST;
 import org.eclipse.jdt.core.dom.ASTNode;
 import org.eclipse.jdt.core.dom.ASTParser;
 import org.eclipse.jdt.core.dom.CompilationUnit;
-import org.eclipse.jdt.core.dom.Expression;
+import org.eclipse.jdt.core.dom.FieldDeclaration;
 import org.eclipse.jdt.core.dom.ITypeBinding;
 import org.eclipse.jdt.core.dom.LiftingType;
 import org.eclipse.jdt.core.dom.MethodDeclaration;
 import org.eclipse.jdt.core.dom.Name;
 import org.eclipse.jdt.core.dom.RoleTypeDeclaration;
-import org.eclipse.jdt.core.dom.SimpleType;
 import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
 import org.eclipse.jdt.core.dom.Type;
 import org.eclipse.jdt.core.dom.TypeDeclaration;
@@ -174,4 +174,31 @@
 		typeBinding = typeName.resolveTypeBinding();
     	assertEquals("Wrong type binding for name", "MyClass", typeBinding.getName());
     }
+
+	// Bug 352605 - Eclipse is reporting "Could not retrieve superclass" every few minutes
+    public void testBug352605() throws CoreException {
+		ASTParser parser = ASTParser.newParser(JAVA_LANGUAGE_SPEC_LEVEL);
+		parser.setProject(getJavaProject(TEST_PROJECT));
+        parser.setResolveBindings(true);
+        parser.setUnitName("C");
+		parser.setSource(("public class C {\n" +
+				"public bug352605.Sub f;\n" +
+				"}\n").toCharArray());
+		
+		ASTNode root = parser.createAST( new NullProgressMonitor() );
+		CompilationUnit compUnit = (CompilationUnit) root;
+        
+		TypeDeclaration type = (TypeDeclaration) compUnit.types().get(0);
+		FieldDeclaration field = (FieldDeclaration) type.bodyDeclarations().get(0);
+		Type fieldType = field.getType();
+		ITypeBinding typeBinding = fieldType.resolveBinding();
+		assertNotNull("Field type binding should be non-null", typeBinding);
+		assertFalse("typeBinding should be from class file", typeBinding.isFromSource());
+		typeBinding = typeBinding.getSuperclass();
+		assertNotNull("super class should be non-null", typeBinding);
+		assertTrue("typeBinding should be from source", typeBinding.isFromSource());
+		typeBinding = typeBinding.getSuperclass();
+		assertNotNull("2nd super class should be non-null", typeBinding);
+		assertTrue("2nd super class should be Object", typeBinding.getQualifiedName().equals("java.lang.Object"));
+    }
 }
Index: workspace/DOM_AST/src/bug352605/Super.java
===================================================================
--- workspace/DOM_AST/src/bug352605/Super.java	(revision 0)
+++ workspace/DOM_AST/src/bug352605/Super.java	(revision 0)
@@ -0,0 +1,4 @@
+package bug352605;
+
+public class Super {
+}