eolivelli commented on a change in pull request #12170:
URL: https://github.com/apache/pulsar/pull/12170#discussion_r731694720



##########
File path: 
pulsar-client/src/main/java/org/apache/pulsar/client/impl/BatchMessageContainerImpl.java
##########
@@ -66,18 +66,28 @@ public boolean add(MessageImpl<?> msg, SendCallback 
callback) {
         }
 
         if (++numMessagesInBatch == 1) {
-            // some properties are common amongst the different messages in 
the batch, hence we just pick it up from
-            // the first message
-            messageMetadata.setSequenceId(msg.getSequenceId());
-            lowestSequenceId = 
Commands.initBatchMessageMetadata(messageMetadata, msg.getMessageBuilder());
-            this.firstCallback = callback;
-            batchedMessageMetadataAndPayload = PulsarByteBufAllocator.DEFAULT
-                    .buffer(Math.min(maxBatchSize, 
ClientCnx.getMaxMessageSize()));
-            if (msg.getMessageBuilder().hasTxnidMostBits() && 
currentTxnidMostBits == -1) {
-                currentTxnidMostBits = 
msg.getMessageBuilder().getTxnidMostBits();
-            }
-            if (msg.getMessageBuilder().hasTxnidLeastBits() && 
currentTxnidLeastBits == -1) {
-                currentTxnidLeastBits = 
msg.getMessageBuilder().getTxnidLeastBits();
+            try {
+                // some properties are common amongst the different messages 
in the batch, hence we just pick it up from
+                // the first message
+                messageMetadata.setSequenceId(msg.getSequenceId());
+                lowestSequenceId = 
Commands.initBatchMessageMetadata(messageMetadata, msg.getMessageBuilder());
+                this.firstCallback = callback;
+                batchedMessageMetadataAndPayload = 
PulsarByteBufAllocator.DEFAULT
+                        .buffer(Math.min(maxBatchSize, 
ClientCnx.getMaxMessageSize()));
+                if (msg.getMessageBuilder().hasTxnidMostBits() && 
currentTxnidMostBits == -1) {
+                    currentTxnidMostBits = 
msg.getMessageBuilder().getTxnidMostBits();
+                }
+                if (msg.getMessageBuilder().hasTxnidLeastBits() && 
currentTxnidLeastBits == -1) {
+                    currentTxnidLeastBits = 
msg.getMessageBuilder().getTxnidLeastBits();
+                }
+            } catch (Throwable e) {

Review comment:
       catching `Throwable` is always hard to handle.
   
   we should at least deal with `InterruptedException`, and in case of 
InterruptedException you have to call `Thread.currentThread().interrupt() `




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