fix(sdk): prevent client from getting stuck after disconnect (#2610)

hubcio · web-flow · commit 73de5c1c1532 · 2026-01-26T14:19:20.000+01:00
NotConnected error was not triggering reconnection logic,
causing clients to remain permanently disconnected
when heartbeat or poll operations failed after connection loss.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/DEPENDENCIES.md b/DEPENDENCIES.md
@@ -386,7 +386,7 @@ icu_provider: 2.1.1, "Unicode-3.0",
 ident_case: 1.0.1, "Apache-2.0 OR MIT",
 idna: 1.1.0, "Apache-2.0 OR MIT",
 idna_adapter: 1.2.1, "Apache-2.0 OR MIT",
-iggy: 0.8.1-edge.4, "Apache-2.0",
+iggy: 0.8.1-edge.5, "Apache-2.0",
 iggy-bench: 0.3.1-edge.1, "Apache-2.0",
 iggy-bench-dashboard-server: 0.5.1-edge.1, "Apache-2.0",
 iggy-cli: 0.10.1-edge.1, "Apache-2.0",
diff --git a/core/sdk/Cargo.toml b/core/sdk/Cargo.toml
@@ -17,7 +17,7 @@
 
 [package]
 name = "iggy"
-version = "0.8.1-edge.4"
+version = "0.8.1-edge.5"
 description = "Iggy is the persistent message streaming platform written in Rust, supporting QUIC, TCP and HTTP transport protocols, capable of processing millions of messages per second."
 edition = "2024"
 license = "Apache-2.0"
diff --git a/core/sdk/src/tcp/tcp_client.rs b/core/sdk/src/tcp/tcp_client.rs
@@ -120,6 +120,8 @@ impl BinaryTransport for TcpClient {
                 | IggyError::EmptyResponse
                 | IggyError::Unauthenticated
                 | IggyError::StaleClient
+                | IggyError::NotConnected
+                | IggyError::CannotEstablishConnection
         ) {
             return Err(error);
         }

Original file line number	Diff line number	Diff line change
`@@ -120,6 +120,8 @@ impl BinaryTransport for TcpClient {`
`120`	`120`	`\| IggyError::EmptyResponse`
`121`	`121`	`\| IggyError::Unauthenticated`
`122`	`122`	`\| IggyError::StaleClient`
	`123`	`+ \| IggyError::NotConnected`
	`124`	`+ \| IggyError::CannotEstablishConnection`
`123`	`125`	`) {`
`124`	`126`	`return Err(error);`
`125`	`127`	`}`