diff --git a/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/LivenessResource.java b/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/LivenessResource.java
new file mode 100644
index 0000000000000..17c1cfada1230
--- /dev/null
+++ b/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/LivenessResource.java
@@ -0,0 +1,50 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.api;
+
+import static javax.ws.rs.core.MediaType.APPLICATION_JSON;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Response;
+
+import org.eclipse.microprofile.openapi.annotations.Operation;
+import org.eclipse.microprofile.openapi.annotations.media.Content;
+import org.eclipse.microprofile.openapi.annotations.media.Schema;
+import org.eclipse.microprofile.openapi.annotations.responses.APIResponse;
+import org.eclipse.microprofile.openapi.annotations.tags.Tag;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+
+@Path("liveness")
+@Tag(name = "Health", description = "Kubernetes liveness probe endpoint.")
+public interface LivenessResource {
+
+ @GET
+ @Produces(APPLICATION_JSON)
+ @Operation(operationId = "getLiveness",
+ description = "Liveness probe: returns 200 when the JVM is healthy (no fatal error recorded). "
+ + "Returns 503 with a cause when a VirtualMachineError (e.g. OutOfMemoryError) has been intercepted.")
+ @APIResponse(responseCode = "200",
+ description = "Application is healthy.",
+ content = @Content(mediaType = APPLICATION_JSON,
+ schema = @Schema(implementation = HealthStatus.class)))
+ @APIResponse(responseCode = "503",
+ description = "Application has encountered a fatal error.",
+ content = @Content(mediaType = APPLICATION_JSON,
+ schema = @Schema(implementation = HealthStatus.class)))
+ Response getLiveness();
+}
diff --git a/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/ReadinessResource.java b/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/ReadinessResource.java
new file mode 100644
index 0000000000000..2b2a40d61eee0
--- /dev/null
+++ b/component-server-parent/component-server-api/src/main/java/org/talend/sdk/component/server/api/ReadinessResource.java
@@ -0,0 +1,50 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.api;
+
+import static javax.ws.rs.core.MediaType.APPLICATION_JSON;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Response;
+
+import org.eclipse.microprofile.openapi.annotations.Operation;
+import org.eclipse.microprofile.openapi.annotations.media.Content;
+import org.eclipse.microprofile.openapi.annotations.media.Schema;
+import org.eclipse.microprofile.openapi.annotations.responses.APIResponse;
+import org.eclipse.microprofile.openapi.annotations.tags.Tag;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+
+@Path("readiness")
+@Tag(name = "Health", description = "Kubernetes readiness probe endpoint.")
+public interface ReadinessResource {
+
+ @GET
+ @Produces(APPLICATION_JSON)
+ @Operation(operationId = "getReadiness",
+ description = "Readiness probe: returns 200 when the component index is loaded and the server is ready "
+ + "to serve traffic. Returns 503 with a cause otherwise.")
+ @APIResponse(responseCode = "200",
+ description = "Server is ready.",
+ content = @Content(mediaType = APPLICATION_JSON,
+ schema = @Schema(implementation = HealthStatus.class)))
+ @APIResponse(responseCode = "503",
+ description = "Server is not ready.",
+ content = @Content(mediaType = APPLICATION_JSON,
+ schema = @Schema(implementation = HealthStatus.class)))
+ Response getReadiness();
+}
diff --git a/component-server-parent/component-server-model/src/main/java/org/talend/sdk/component/server/front/model/HealthStatus.java b/component-server-parent/component-server-model/src/main/java/org/talend/sdk/component/server/front/model/HealthStatus.java
new file mode 100644
index 0000000000000..ba6e5d4355599
--- /dev/null
+++ b/component-server-parent/component-server-model/src/main/java/org/talend/sdk/component/server/front/model/HealthStatus.java
@@ -0,0 +1,30 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.front.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class HealthStatus {
+
+ private String status;
+
+ private String cause;
+}
diff --git a/component-server-parent/component-server/pom.xml b/component-server-parent/component-server/pom.xml
index a9d7be504bed5..d501ce6c1ff32 100644
--- a/component-server-parent/component-server/pom.xml
+++ b/component-server-parent/component-server/pom.xml
@@ -158,6 +158,12 @@
${meecrowave.version}
test
+
+ org.mockito
+ mockito-core
+ ${mockito4.version}
+ test
+
org.apache.tomee
ziplock
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/configuration/ComponentServerConfiguration.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/configuration/ComponentServerConfiguration.java
index 847360ece24c9..93d740a794d7b 100644
--- a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/configuration/ComponentServerConfiguration.java
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/configuration/ComponentServerConfiguration.java
@@ -201,6 +201,12 @@ public class ComponentServerConfiguration {
@ConfigProperty(name = "talend.component.server.plugins.reloading.marker")
private Optional pluginsReloadFileMarker;
+ @Inject
+ @Documentation("Whether the Vault connectivity check is included in the readiness probe. "
+ + "Set to true only when this server instance uses Vault for credential decryption.")
+ @ConfigProperty(name = "talend.server.health.vault.enabled", defaultValue = "false")
+ private Boolean healthVaultEnabled;
+
@PostConstruct
private void init() {
if (logRequests != null && logRequests) {
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/LivenessResourceImpl.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/LivenessResourceImpl.java
new file mode 100644
index 0000000000000..4d7628e34adea
--- /dev/null
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/LivenessResourceImpl.java
@@ -0,0 +1,46 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.front;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+import javax.ws.rs.core.Response;
+
+import org.talend.sdk.component.server.api.LivenessResource;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+import org.talend.sdk.component.server.service.FatalState;
+
+@ApplicationScoped
+public class LivenessResourceImpl implements LivenessResource {
+
+ private static final String STATUS_UP = "UP";
+
+ private static final String STATUS_DOWN = "DOWN";
+
+ @Inject
+ private FatalState fatalState;
+
+ @Override
+ public Response getLiveness() {
+ if (fatalState.hasFatalError()) {
+ return Response
+ .status(Response.Status.SERVICE_UNAVAILABLE)
+ .entity(new HealthStatus(STATUS_DOWN, fatalState.getCause()))
+ .build();
+ }
+ return Response.ok(new HealthStatus(STATUS_UP, null)).build();
+ }
+}
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/ReadinessResourceImpl.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/ReadinessResourceImpl.java
new file mode 100644
index 0000000000000..d833bfc76c238
--- /dev/null
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/ReadinessResourceImpl.java
@@ -0,0 +1,99 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.front;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+import javax.ws.rs.core.Response;
+
+import org.talend.sdk.component.server.api.ReadinessResource;
+import org.talend.sdk.component.server.configuration.ComponentServerConfiguration;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+import org.talend.sdk.component.server.service.ComponentManagerService;
+import org.talend.sdk.components.vault.client.VaultClient;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@ApplicationScoped
+public class ReadinessResourceImpl implements ReadinessResource {
+
+ private static final String STATUS_UP = "UP";
+
+ private static final String STATUS_DOWN = "DOWN";
+
+ private static final long VAULT_CACHE_TTL_MS = 5_000L;
+
+ @Inject
+ private ComponentManagerService componentManagerService;
+
+ @Inject
+ private ComponentServerConfiguration configuration;
+
+ @Inject
+ private VaultClient vaultClient;
+
+ private final AtomicBoolean cachedVaultResult = new AtomicBoolean(true);
+
+ private final AtomicLong lastVaultCheck = new AtomicLong(0L);
+
+ @Override
+ public Response getReadiness() {
+ if (!componentManagerService.isStarted()) {
+ return Response
+ .status(Response.Status.SERVICE_UNAVAILABLE)
+ .entity(new HealthStatus(STATUS_DOWN, "Component index not ready"))
+ .build();
+ }
+ if (configuration.getHealthVaultEnabled()) {
+ final HealthStatus vaultStatus = checkVaultCached();
+ if (STATUS_DOWN.equals(vaultStatus.getStatus())) {
+ return Response.status(Response.Status.SERVICE_UNAVAILABLE).entity(vaultStatus).build();
+ }
+ }
+ return Response.ok(new HealthStatus(STATUS_UP, null)).build();
+ }
+
+ private HealthStatus checkVaultCached() {
+ final long now = System.currentTimeMillis();
+ if (now - lastVaultCheck.get() < VAULT_CACHE_TTL_MS) {
+ return cachedVaultResult.get()
+ ? new HealthStatus(STATUS_UP, null)
+ : new HealthStatus(STATUS_DOWN, "Vault is not reachable");
+ }
+ try {
+ final boolean reachable = vaultClient.ping();
+ cachedVaultResult.set(reachable);
+ lastVaultCheck.set(now);
+ if (!reachable) {
+ log.warn("Readiness check: Vault is not reachable");
+ return new HealthStatus(STATUS_DOWN, "Vault is not reachable");
+ }
+ } catch (final VirtualMachineError vme) {
+ throw vme;
+ } catch (final Throwable t) {
+ cachedVaultResult.set(false);
+ lastVaultCheck.set(now);
+ final String cause = "Vault connectivity check failed: " + t.getMessage();
+ log.warn("Readiness check failed: {}", cause);
+ return new HealthStatus(STATUS_DOWN, cause);
+ }
+ return new HealthStatus(STATUS_UP, null);
+ }
+}
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/error/DefaultExceptionHandler.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/error/DefaultExceptionHandler.java
index f6cbe9244fe66..6b4688d78ac2f 100644
--- a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/error/DefaultExceptionHandler.java
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/front/error/DefaultExceptionHandler.java
@@ -22,7 +22,9 @@
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;
@@ -30,6 +32,7 @@
import org.talend.sdk.component.server.configuration.ComponentServerConfiguration;
import org.talend.sdk.component.server.front.model.ErrorDictionary;
import org.talend.sdk.component.server.front.model.error.ErrorPayload;
+import org.talend.sdk.component.server.service.FatalState;
import lombok.extern.slf4j.Slf4j;
@@ -41,6 +44,12 @@ public class DefaultExceptionHandler implements ExceptionMapper {
@Inject
private ComponentServerConfiguration configuration;
+ @Inject
+ private FatalState fatalState;
+
+ @Context
+ private HttpServletRequest request;
+
private boolean replaceException;
@PostConstruct
@@ -50,6 +59,12 @@ private void init() {
@Override
public Response toResponse(final Throwable exception) {
+ if (exception instanceof VirtualMachineError) {
+ final String requestPath = request != null ? request.getRequestURI() : "(unknown)";
+ final String cause = exception.getClass().getSimpleName() + " during request "
+ + requestPath + ": " + exception.getMessage();
+ fatalState.markFatal(cause);
+ }
log.error("[DefaultExceptionHandler#toResponse] Throwable: ", exception);
final Response response;
if (exception instanceof WebApplicationException) {
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/ComponentManagerService.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/ComponentManagerService.java
index edd9d0f533459..799ca4e8fed11 100644
--- a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/ComponentManagerService.java
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/ComponentManagerService.java
@@ -121,7 +121,7 @@ public class ComponentManagerService {
private Connectors connectors;
- private boolean started;
+ private volatile boolean started;
private Path m2;
@@ -460,4 +460,8 @@ public ComponentManager manager() {
return instance;
}
+ public boolean isStarted() {
+ return started;
+ }
+
}
diff --git a/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/FatalState.java b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/FatalState.java
new file mode 100644
index 0000000000000..ab95a4ec323e9
--- /dev/null
+++ b/component-server-parent/component-server/src/main/java/org/talend/sdk/component/server/service/FatalState.java
@@ -0,0 +1,65 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.service;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import javax.enterprise.context.ApplicationScoped;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * Singleton that records whether the JVM has encountered a fatal error (VirtualMachineError)
+ * during request processing. Once set, the state is never cleared — the pod must be restarted.
+ */
+@Slf4j
+@ApplicationScoped
+public class FatalState {
+
+ private final AtomicReference fatalCause = new AtomicReference<>(null);
+
+ /**
+ * Records a fatal error. Subsequent calls are no-ops; the first cause wins.
+ *
+ * @param cause human-readable description of the error
+ */
+ public void markFatal(final String cause) {
+ if (fatalCause.compareAndSet(null, cause)) {
+ log.error("Fatal JVM error recorded — liveness probe will now return DOWN: {}", cause);
+ }
+ }
+
+ /**
+ * @return {@code true} if a fatal error has been recorded
+ */
+ public boolean hasFatalError() {
+ return fatalCause.get() != null;
+ }
+
+ /**
+ * @return the cause of the fatal error, or {@code null} if none has been recorded
+ */
+ public String getCause() {
+ return fatalCause.get();
+ }
+
+ /**
+ * Resets the fatal state. Intended for use in tests only — never call in production code.
+ */
+ public void reset() {
+ fatalCause.set(null);
+ }
+}
diff --git a/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/LivenessResourceImplIT.java b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/LivenessResourceImplIT.java
new file mode 100644
index 0000000000000..8c149043ff180
--- /dev/null
+++ b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/LivenessResourceImplIT.java
@@ -0,0 +1,87 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.front;
+
+import static javax.ws.rs.core.MediaType.APPLICATION_JSON_TYPE;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+import javax.inject.Inject;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Response;
+
+import org.apache.meecrowave.junit5.MonoMeecrowaveConfig;
+import org.junit.jupiter.api.Test;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+import org.talend.sdk.component.server.service.FatalState;
+
+@MonoMeecrowaveConfig
+class LivenessResourceImplIT {
+
+ @Inject
+ private WebTarget base;
+
+ @Inject
+ private FatalState fatalState;
+
+ @Test
+ void livenessReturns200WhenNoFatalError() {
+ final Response response = base.path("liveness").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(200, response.getStatus());
+ final HealthStatus status = response.readEntity(HealthStatus.class);
+ assertNotNull(status);
+ assertEquals("UP", status.getStatus());
+ assertNull(status.getCause());
+ }
+
+ @Test
+ void readinessReturns200WhenReady() {
+ final Response response = base.path("readiness").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(200, response.getStatus());
+ final HealthStatus status = response.readEntity(HealthStatus.class);
+ assertNotNull(status);
+ assertEquals("UP", status.getStatus());
+ }
+
+ @Test
+ void livenessAndReadinessAreIndependentFromEnvironment() {
+ final Response envResponse = base.path("environment").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(200, envResponse.getStatus());
+
+ final Response livenessResponse = base.path("liveness").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(200, livenessResponse.getStatus());
+
+ final Response readinessResponse = base.path("readiness").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(200, readinessResponse.getStatus());
+ }
+
+ @Test
+ void livenessReturns503WhenFatalErrorRecorded() {
+ fatalState.markFatal("simulated OOM during test");
+ try {
+ final Response response = base.path("liveness").request(APPLICATION_JSON_TYPE).get();
+ assertEquals(503, response.getStatus());
+ final HealthStatus status = response.readEntity(HealthStatus.class);
+ assertNotNull(status);
+ assertEquals("DOWN", status.getStatus());
+ assertNotNull(status.getCause());
+ } finally {
+ // reset the singleton state so other tests are not affected
+ fatalState.reset();
+ }
+ }
+}
diff --git a/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/ReadinessResourceImplTest.java b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/ReadinessResourceImplTest.java
new file mode 100644
index 0000000000000..687e3270fb43f
--- /dev/null
+++ b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/front/ReadinessResourceImplTest.java
@@ -0,0 +1,110 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.front;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import javax.ws.rs.core.Response;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.talend.sdk.component.server.configuration.ComponentServerConfiguration;
+import org.talend.sdk.component.server.front.model.HealthStatus;
+import org.talend.sdk.component.server.service.ComponentManagerService;
+import org.talend.sdk.components.vault.client.VaultClient;
+
+class ReadinessResourceImplTest {
+
+ private AutoCloseable closeable;
+
+ @Mock
+ private ComponentManagerService componentManagerService;
+
+ @Mock
+ private ComponentServerConfiguration configuration;
+
+ @Mock
+ private VaultClient vaultClient;
+
+ @InjectMocks
+ private ReadinessResourceImpl readinessResource;
+
+ @BeforeEach
+ void setUp() {
+ closeable = MockitoAnnotations.openMocks(this);
+ }
+
+ @AfterEach
+ void tearDown() throws Exception {
+ closeable.close();
+ }
+
+ @Test
+ void returns503WhenIndexNotReady() {
+ when(componentManagerService.isStarted()).thenReturn(false);
+
+ final Response response = readinessResource.getReadiness();
+
+ assertEquals(503, response.getStatus());
+ final HealthStatus status = (HealthStatus) response.getEntity();
+ assertEquals("DOWN", status.getStatus());
+ assertEquals("Component index not ready", status.getCause());
+ }
+
+ @Test
+ void returns200WhenIndexReadyAndVaultReachable() {
+ when(componentManagerService.isStarted()).thenReturn(true);
+ when(configuration.getHealthVaultEnabled()).thenReturn(false);
+
+ final Response response = readinessResource.getReadiness();
+
+ assertEquals(200, response.getStatus());
+ final HealthStatus status = (HealthStatus) response.getEntity();
+ assertEquals("UP", status.getStatus());
+ }
+
+ @Test
+ void returns503WhenVaultNotReachable() {
+ when(componentManagerService.isStarted()).thenReturn(true);
+ when(configuration.getHealthVaultEnabled()).thenReturn(true);
+ when(vaultClient.ping()).thenReturn(false);
+
+ final Response response = readinessResource.getReadiness();
+
+ assertEquals(503, response.getStatus());
+ final HealthStatus status = (HealthStatus) response.getEntity();
+ assertEquals("DOWN", status.getStatus());
+ assertEquals("Vault is not reachable", status.getCause());
+ }
+
+ @Test
+ void returns503WhenVaultThrows() {
+ when(componentManagerService.isStarted()).thenReturn(true);
+ when(configuration.getHealthVaultEnabled()).thenReturn(true);
+ when(vaultClient.ping()).thenThrow(new RuntimeException("connection refused"));
+
+ final Response response = readinessResource.getReadiness();
+
+ assertEquals(503, response.getStatus());
+ final HealthStatus status = (HealthStatus) response.getEntity();
+ assertEquals("DOWN", status.getStatus());
+ }
+}
diff --git a/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/service/FatalStateTest.java b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/service/FatalStateTest.java
new file mode 100644
index 0000000000000..e2c7da912dffe
--- /dev/null
+++ b/component-server-parent/component-server/src/test/java/org/talend/sdk/component/server/service/FatalStateTest.java
@@ -0,0 +1,56 @@
+/**
+ * Copyright (C) 2006-2026 Talend Inc. - www.talend.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.talend.sdk.component.server.service;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class FatalStateTest {
+
+ private FatalState fatalState;
+
+ @BeforeEach
+ void setUp() {
+ fatalState = new FatalState();
+ }
+
+ @Test
+ void initiallyNoFatalError() {
+ assertFalse(fatalState.hasFatalError());
+ assertNull(fatalState.getCause());
+ }
+
+ @Test
+ void markFatalSetsCause() {
+ fatalState.markFatal("OutOfMemoryError during /api/v1/component/index");
+
+ assertTrue(fatalState.hasFatalError());
+ assertEquals("OutOfMemoryError during /api/v1/component/index", fatalState.getCause());
+ }
+
+ @Test
+ void markFatalIsIdempotentFirstCauseWins() {
+ fatalState.markFatal("first error");
+ fatalState.markFatal("second error");
+
+ assertEquals("first error", fatalState.getCause());
+ }
+}
diff --git a/vault-client/src/main/java/org/talend/sdk/components/vault/client/VaultClient.java b/vault-client/src/main/java/org/talend/sdk/components/vault/client/VaultClient.java
index c6d805ca35225..bdf1fe60771b0 100644
--- a/vault-client/src/main/java/org/talend/sdk/components/vault/client/VaultClient.java
+++ b/vault-client/src/main/java/org/talend/sdk/components/vault/client/VaultClient.java
@@ -201,6 +201,33 @@ public Thread newThread(final Runnable r) {
});
}
+ /**
+ * Checks connectivity to Vault.
+ *
+ * @return {@code true} if Vault is reachable or if Vault is not configured ({@code no-vault}),
+ * {@code false} if a transport-level error prevents reaching Vault.
+ */
+ public boolean ping() {
+ if ("no-vault".equals(setup.getVaultUrl())) {
+ return true;
+ }
+ Response response = null;
+ try {
+ response = vault
+ .path("v1/sys/health")
+ .request()
+ .get();
+ return true;
+ } catch (final javax.ws.rs.ProcessingException e) {
+ log.warn("Vault ping failed: {}", e.getMessage());
+ return false;
+ } finally {
+ if (response != null) {
+ response.close();
+ }
+ }
+ }
+
@SneakyThrows
public Map decrypt(final Map values) {
return decrypt(values, null);