prevent npe

11 years ago · a878c7982c
parent e4eb87d924
commit a878c7982c
1 changed files with 1 additions and 1 deletions
--- a/source/net/yacy/crawler/CrawlStacker.java
+++ b/source/net/yacy/crawler/CrawlStacker.java
@ -405,7 +405,7 @@ public final class CrawlStacker {
                // do double-check
                if (dbocc == HarvestProcess.ERRORS) {
                    final CollectionConfiguration.FailDoc errorEntry = this.nextQueue.errorURL.get(urlhash);
-                    return "double in: errors (" + errorEntry.getFailReason() + ")";
+                    return "double in: errors (" + (errorEntry == null ? "NULL" : errorEntry.getFailReason()) + ")";
                }
                return "double in: " + dbocc.toString();
            }