diff --git a/tycho-core/src/main/java/org/eclipse/m2e/pde/target/shared/MavenBundleWrapper.java b/tycho-core/src/main/java/org/eclipse/m2e/pde/target/shared/MavenBundleWrapper.java
index 4b3a5c77d4..ce2374ceb9 100644
--- a/tycho-core/src/main/java/org/eclipse/m2e/pde/target/shared/MavenBundleWrapper.java
+++ b/tycho-core/src/main/java/org/eclipse/m2e/pde/target/shared/MavenBundleWrapper.java
@@ -252,9 +252,14 @@ private static Jar getCachedJar(Path cacheFile, Path sourceFile) {
                 return new Jar(cacheFile.toFile());
             }
         } catch (IOException e) {
-            // if any I/O error occurs we assume we need to regenerate the data...
-            Platform.getLog(MavenBundleWrapper.class)
-                    .error("Reading cached data for " + cacheFile + " failed, will regenerate the data ...", e);
+            try {
+                // if any I/O error occurs we assume we need to regenerate the data...
+                Platform.getLog(MavenBundleWrapper.class)
+                        .error("Reading cached data for " + cacheFile + " failed, will regenerate the data ...", e);
+            } catch (RuntimeException rte) {
+                //WORKAROUND FOR https://github.com/eclipse-platform/eclipse.platform/pull/521
+                System.err.println("Reading cached data for " + cacheFile + " failed, will regenerate the data ...");
+            }
         }
         return null;
     }