diff options
| -rw-r--r-- | java/core/src/main/java/com/google/protobuf/AbstractMessage.java | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/AbstractMessage.java b/java/core/src/main/java/com/google/protobuf/AbstractMessage.java index 7639efcf..37180da8 100644 --- a/java/core/src/main/java/com/google/protobuf/AbstractMessage.java +++ b/java/core/src/main/java/com/google/protobuf/AbstractMessage.java @@ -328,8 +328,11 @@ public abstract class AbstractMessage extends AbstractMessageLite.Builder implements Message.Builder { // The compiler produces an error if this is not declared explicitly. + // Method isn't abstract to bypass Java 1.6 compiler issue http://bugs.java.com/view_bug.do?bug_id=6908259 @Override - public abstract BuilderType clone(); + public BuilderType clone() { + throw new UnsupportedOperationException("clone() should be implemented in subclasses."); + } /** TODO(jieluo): Clear it when all subclasses have implemented this method. */ @Override |