[INLONG-8629][agent] fix: sending invalid data to dataproxy failed bl…

…ocks normal data sending

1. clean the resend queue and release the semaphore
2. sender manager will send the data in the resend queue first

inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/sinks/SenderManager.java

@@ -168,6 +168,21 @@ public void Stop() {
         shutdown = true;
         resendExecutorService.shutdown();
         sender.close();
+        cleanResendQueue();
+    }
+
+    private void cleanResendQueue() {
+        while (!resendQueue.isEmpty()) {
+            try {
+                AgentSenderCallback callback = resendQueue.poll(1, TimeUnit.SECONDS);
+                if (callback != null) {
+                    MemoryManager.getInstance()
+                            .release(AGENT_GLOBAL_WRITER_PERMIT, (int) callback.batchMessage.getTotalSize());
+                }
+            } catch (InterruptedException e) {
+                LOGGER.error("clean resend queue error{}", e.getMessage());
+            }
+        }
     }
 
     private AgentMetricItem getMetricItem(Map<String, String> otherDimensions) {
@@ -222,6 +237,10 @@ private void sendBatchWithRetryCount(BatchProxyMessage batchMessage, int retry)
         boolean suc = false;
         while (!suc) {
             try {
+                if (!resendQueue.isEmpty()) {
+                    AgentUtils.silenceSleepInMs(retrySleepTime);
+                    continue;
+                }
                 sender.asyncSendMessage(new AgentSenderCallback(batchMessage, retry),
                         batchMessage.getDataList(), batchMessage.getGroupId(), batchMessage.getStreamId(),
                         batchMessage.getDataTime(), SEQUENTIAL_ID.getNextUuid(), maxSenderTimeout, TimeUnit.SECONDS,