Unreachable container times out gracefully

docker/stacks/jvm/Dockerfile.fragment

@@ -25,8 +25,8 @@ ENV JAVA_HOME="/usr/lib/jvm/java-17-openjdk"
 # Eclipse JDT Language Server — canonical LSP for Java/JVM (Java, Kotlin, Groovy).
 # Pin to a specific release; update JDTLS_VERSION + JDTLS_BUILD for upgrades.
 # All releases: https://github.com/eclipse-jdtls/eclipse.jdt.ls/releases
-ENV JDTLS_VERSION="1.38.0" \
-    JDTLS_BUILD="202503271418"
+ENV JDTLS_VERSION="1.60.0" \
+    JDTLS_BUILD="202606262232"
 RUN mkdir -p /opt/jdtls \
     && curl -fsSL \
         "https://download.eclipse.org/jdtls/milestones/${JDTLS_VERSION}/jdt-language-server-${JDTLS_VERSION}-${JDTLS_BUILD}.tar.gz" \

server/src/chat/transport/matrix/bot/context.rs

@@ -183,13 +183,24 @@ impl BotContext {
             Err(e) => return Some(format!("Failed to serialize RPC request: {e}")),
         };
 
-        let ws_stream = match tokio_tungstenite::connect_async(&ws_url).await {
-            Ok((stream, _)) => stream,
-            Err(e) => {
+        let connect_timeout = std::time::Duration::from_secs(5);
+        let ws_stream = match tokio::time::timeout(
+            connect_timeout,
+            tokio_tungstenite::connect_async(&ws_url),
+        )
+        .await
+        {
+            Ok(Ok((stream, _))) => stream,
+            Ok(Err(e)) => {
                 return Some(format!(
                     "Failed to connect to project server at {ws_url}: {e}"
                 ));
             }
+            Err(_) => {
+                return Some(format!(
+                    "Project server at {ws_url} is unreachable (connect timed out after {connect_timeout:?})"
+                ));
+            }
         };
 
         let (mut sink, mut stream) = ws_stream.split();
@@ -198,7 +209,9 @@ impl BotContext {
             return Some(format!("Failed to send RPC request: {e}"));
         }
 
-        while let Some(msg) = stream.next().await {
+        let response_timeout = std::time::Duration::from_secs(30);
+        let deadline = tokio::time::Instant::now() + response_timeout;
+        while let Ok(Some(msg)) = tokio::time::timeout_at(deadline, stream.next()).await {
             match msg {
                 Ok(WsMsg::Text(text)) => {
                     let Ok(frame) = serde_json::from_str::<serde_json::Value>(&text) else {
@@ -239,7 +252,7 @@ impl BotContext {
             }
         }
 
-        Some("Connection closed before receiving command response".to_string())
+        Some("Project server did not respond in time (connection closed or timed out)".to_string())
     }
 }