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yegor256 · Jun 22, 2017 · ee5213e · ee5213e
1 parent ae141b0
commit ee5213e
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/main/java/org/cactoos/io/NotNullInput.java b/src/main/java/org/cactoos/io/NotNullInput.java
@@ -54,7 +54,7 @@ public NotNullInput(final Input input) {
     @Override
     public InputStream stream() throws IOException {
         if (this.origin == null) {
-            throw new IOException("invalid input (null)");
+            throw new IOException("NULL instead of a valid input");
         }
         return this.origin.stream();
     }

diff --git a/src/main/java/org/cactoos/io/NotNullOutput.java b/src/main/java/org/cactoos/io/NotNullOutput.java
@@ -54,7 +54,7 @@ public NotNullOutput(final Output output) {
     @Override
     public OutputStream stream() throws IOException {
         if (this.origin == null) {
-            throw new IOException("invalid output (null)");
+            throw new IOException("NULL instead of a valid output");
         }
         return this.origin.stream();
     }