Handle client connection errors

Signed-off-by: Paolo Di Tommaso <paolo.ditommaso@gmail.com>

app/src/main/java/io/seqera/wave/cli/App.java

@@ -48,6 +48,7 @@
 import io.seqera.wave.api.SubmitContainerTokenRequest;
 import io.seqera.wave.api.SubmitContainerTokenResponse;
 import io.seqera.wave.cli.exception.BadClientResponseException;
+import io.seqera.wave.cli.exception.ClientConnectionException;
 import io.seqera.wave.cli.exception.IllegalCliArgumentException;
 import io.seqera.wave.cli.json.JsonHelper;
 import io.seqera.wave.cli.util.BuildInfo;
@@ -231,7 +232,8 @@ else if( app.inspect ) {
                 app.run();
             }
         }
-        catch (IllegalCliArgumentException | CommandLine.ParameterException | BadClientResponseException e) {
+        catch (IllegalCliArgumentException | CommandLine.ParameterException | BadClientResponseException |
+               ClientConnectionException e) {
             System.err.println(e.getMessage());
             System.exit(1);
         }

app/src/main/java/io/seqera/wave/cli/Client.java

@@ -30,6 +30,7 @@
 import java.util.function.Predicate;
 
 import dev.failsafe.Failsafe;
+import dev.failsafe.FailsafeException;
 import dev.failsafe.RetryPolicy;
 import dev.failsafe.event.EventListener;
 import dev.failsafe.event.ExecutionAttemptedEvent;
@@ -42,6 +43,7 @@
 import io.seqera.wave.api.SubmitContainerTokenResponse;
 import io.seqera.wave.cli.config.RetryOpts;
 import io.seqera.wave.cli.exception.BadClientResponseException;
+import io.seqera.wave.cli.exception.ClientConnectionException;
 import io.seqera.wave.cli.json.JsonHelper;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
@@ -103,8 +105,8 @@ ContainerInspectResponse inspect(ContainerInspectRequest request) {
                 throw new BadClientResponseException(msg);
             }
         }
-        catch (IOException e) {
-            throw new IllegalStateException("Unable to connect Wave service: " + endpoint);
+        catch (IOException | FailsafeException e) {
+            throw new ClientConnectionException("Unable to connect Wave service: " + endpoint, e);
         }
     }
 
@@ -128,8 +130,8 @@ SubmitContainerTokenResponse submit(SubmitContainerTokenRequest request) {
                 throw new BadClientResponseException(msg);
             }
         }
-        catch (IOException e) {
-            throw new IllegalStateException("Unable to connect Wave service: " + endpoint);
+        catch (IOException | FailsafeException e) {
+            throw new ClientConnectionException("Unable to connect Wave service: " + endpoint, e);
         }
     }
 
@@ -231,8 +233,8 @@ ServiceInfo serviceInfo() {
                 throw new BadClientResponseException(msg);
             }
         }
-        catch (IOException e) {
-            throw new IllegalStateException("Unable to connect Wave service: " + endpoint);
+        catch (IOException | FailsafeException e) {
+            throw new ClientConnectionException("Unable to connect Wave service: " + endpoint, e);
         }
     }
 }

app/src/main/java/io/seqera/wave/cli/exception/BadClientResponseException.java

@@ -18,6 +18,8 @@
 package io.seqera.wave.cli.exception;
 
 /**
+ * Model a client response http error
+ * 
  * @author Paolo Di Tommaso <paolo.ditommaso@gmail.com>
  */
 public class BadClientResponseException extends RuntimeException {

app/src/main/java/io/seqera/wave/cli/exception/ClientConnectionException.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2023, Seqera Labs
+ *
+ * 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 io.seqera.wave.cli.exception;
+
+/**
+ * Model a generic client connection exception
+ *
+ * @author Paolo Di Tommaso <paolo.ditommaso@gmail.com>
+ */
+public class ClientConnectionException extends RuntimeException {
+
+    public ClientConnectionException(String message) {
+        super(message);
+    }
+
+    public ClientConnectionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}