### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: model/org/eclipse/jdt/internal/core/DeltaProcessor.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/DeltaProcessor.java,v
retrieving revision 1.346
diff -u -r1.346 DeltaProcessor.java
--- model/org/eclipse/jdt/internal/core/DeltaProcessor.java	9 Sep 2011 09:37:22 -0000	1.346
+++ model/org/eclipse/jdt/internal/core/DeltaProcessor.java	12 Sep 2011 21:55:25 -0000
@@ -954,7 +954,7 @@
 				// project does not exist -> ignore
 				continue;
 			}
-			boolean hasChainedJar = false;
+			boolean deltaContainsModifiedJar = false;
 			for (int j = 0; j < entries.length; j++){
 				if (entries[j].getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
 					IPath entryPath = entries[j].getPath();
@@ -1024,7 +1024,7 @@
 								System.out.println("- External JAR ADDED, affecting root: "+root.getElementName()); //$NON-NLS-1$
 							}
 							elementAdded(root, null, null);
-							hasChainedJar |= !this.manager.isNonChainingJar(entryPath);
+							deltaContainsModifiedJar = true;
 							this.state.addClasspathValidation(javaProject); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=185733
 							hasDelta = true;
 						} else if (status == EXTERNAL_JAR_CHANGED) {
@@ -1033,7 +1033,7 @@
 								System.out.println("- External JAR CHANGED, affecting root: "+root.getElementName()); //$NON-NLS-1$
 							}
 							contentChanged(root);
-							hasChainedJar |= !this.manager.isNonChainingJar(entryPath);
+							deltaContainsModifiedJar = true;
 							hasDelta = true;
 						} else if (status == EXTERNAL_JAR_REMOVED) {
 							PackageFragmentRoot root = (PackageFragmentRoot) javaProject.getPackageFragmentRoot(entryPath.toString());
@@ -1041,7 +1041,7 @@
 								System.out.println("- External JAR REMOVED, affecting root: "+root.getElementName()); //$NON-NLS-1$
 							}
 							elementRemoved(root, null, null);
-							hasChainedJar |= !this.manager.isNonChainingJar(entryPath);
+							deltaContainsModifiedJar = true;
 							this.state.addClasspathValidation(javaProject); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=185733
 							hasDelta = true;
 						}
@@ -1049,7 +1049,7 @@
 				}
 			}
 			
-			if (hasChainedJar) {
+			if (deltaContainsModifiedJar) {
 				javaProject.resetResolvedClasspath();
 			}
 		}