JAL-3619 fix up error messages and try to bail quietly if the viewer doesn’t open

[jalview.git] / src / jalview / gui / ChimeraViewFrame.java

diff --git a/src/jalview/gui/ChimeraViewFrame.java b/src/jalview/gui/ChimeraViewFrame.java
index 4f1f26b..3a17ea3 100644 (file)
--- a/src/jalview/gui/ChimeraViewFrame.java
+++ b/src/jalview/gui/ChimeraViewFrame.java
@@ -445,6 +445,12 @@ public class ChimeraViewFrame extends StructureViewerBase
           Console.error("Couldn't open Chimera viewer!", ex);
         }
       }
+      if (!jmb.isViewerRunning())
+      {
+        // nothing to do
+        // TODO: ensure we tidy up JAL-3619
+        return;
+      }
       int num = -1;
       for (PDBEntry pe : filePDB)
       {