Get call in helidon 2.5.5 hangs when response is greater than 5 mb.

[SkyGlancer]

Environment Details

• Helidon Version:2.5.5
• Helidon SE or Helidon MP: MP
• JDK version:17
• OS:linux
• Docker version (if applicable):

---

Problem Description

Steps to reproduce

git clone [email protected]:oracle/helidon.git
cd helidon
git checkout tags/2.5.5
cd examples/microprofile/hello-world-explicit

change src/main/java/io/helidon/microprofile/example/helloworld/explicit/HelloWorldResource.java

diff --git a/examples/microprofile/hello-world-explicit/src/main/java/io/helidon/microprofile/example
index 7415426..8430bec 100644
--- a/examples/microprofile/hello-world-explicit/src/main/java/io/helidon/microprofile/example/hellow
+++ b/examples/microprofile/hello-world-explicit/src/main/java/io/helidon/microprofile/example/hellow
@@ -74,7 +74,11 @@ public class HelloWorldResource {
     @GET
     @Produces(MediaType.TEXT_PLAIN)
     public String message() {
-        return "Hello World from application " + applicationName;
+      StringBuilder str = new StringBuilder();
+          for(int i=0; i<6000000; i++) {
+              str.append("a");
+          }
+      return str.toString();
     }

curl localhost:5000//helloworld hangs

Note: this is working in 2.6.3. we want to check if there are any workarounds for 2.5.5 and why it is happening.

[barchetta]

Please see #5766. It includes a work-around.