Log exception instead of rethrowing it.

js/js.translator/src/org/jetbrains/k2js/config/LibrarySourcesConfig.java

@@ -17,6 +17,7 @@
 package org.jetbrains.k2js.config;
 
 import com.google.common.collect.Lists;
+import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.io.FileUtil;
@@ -41,6 +42,8 @@ public class LibrarySourcesConfig extends Config {
     public static final Key<String> EXTERNAL_MODULE_NAME = new Key<String>("externalModule");
     public static final String UNKNOWN_EXTERNAL_MODULE_NAME = "<unknown>";
 
+    private static final Logger LOG = Logger.getInstance("#org.jetbrains.jet.asJava.JetLightClass");
+
     @NotNull
     private final List<String> files;
 
@@ -80,7 +83,7 @@ public class LibrarySourcesConfig extends Config {
                 }
             }
             catch (IOException e) {
-                throw new RuntimeException(e);
+                LOG.error(e);
             }
         }