[iotdb] branch master updated: combine the byte value with 0xff and cast one of the operands of addition to long (#5889)

[tanxinyu]

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tanxinyu pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new 9ae4c88415 combine the byte value with 0xff and cast one of the 
operands of addition to long (#5889)
9ae4c88415 is described below

commit 9ae4c8841501dff1c9e761a2e421369fcf3f5dbe
Author: greenhandatsjtu <40566803+greenhandats...@users.noreply.github.com>
AuthorDate: Sat May 28 22:47:27 2022 +0800

    combine the byte value with 0xff and cast one of the operands of addition 
to long (#5889)
---
 consensus/src/main/java/org/apache/iotdb/consensus/ratis/Utils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/consensus/src/main/java/org/apache/iotdb/consensus/ratis/Utils.java 
b/consensus/src/main/java/org/apache/iotdb/consensus/ratis/Utils.java
index e34ec9d60f..93a351082c 100644
--- a/consensus/src/main/java/org/apache/iotdb/consensus/ratis/Utils.java
+++ b/consensus/src/main/java/org/apache/iotdb/consensus/ratis/Utils.java
@@ -118,7 +118,7 @@ public class Utils {
   /** Given raftGroupId, decrypt ConsensusGroupId out of it */
   public static ConsensusGroupId fromRaftGroupIdToConsensusGroupId(RaftGroupId 
raftGroupId) {
     byte[] padded = raftGroupId.toByteString().toByteArray();
-    long type = (padded[10] << 8) + padded[11];
+    long type = (long) ((padded[10] & 0xff) << 8) + (padded[11] & 0xff);
     ByteBuffer byteBuffer = ByteBuffer.allocate(Integer.BYTES);
     byteBuffer.put(padded, 12, 4);
     byteBuffer.flip();