Make BinaryBlobException stackless

We use BinaryBlobException to signal a binary blob was found and never
make use of its stack trace. Suppress filling in the stack trace to
avoid the performance penalty coming with that.

See https://shipilev.net/blog/2014/exceptional-performance/

Change-Id: Iae1f1c19a1fa8aef4f6569822557171130299958

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/BinaryBlobException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/BinaryBlobException.java
index 58a121403f5c8885423b6a9976cd5bdf2053876c..768931ca0ba5b5dae0da162b94ad7d1de72a3825 100644 (file)
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/BinaryBlobException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/BinaryBlobException.java
@@ -22,4 +22,9 @@ public class BinaryBlobException extends Exception {
         * Construct a BinaryBlobException.
         */
        public BinaryBlobException() {}
+
+       @Override
+       public synchronized Throwable fillInStackTrace() {
+               return this;
+       }
 }