handle async errors in a way that doesn't hide details

adapter-cqld4/src/main/java/io/nosqlbench/adapter/cqld4/optypes/Cqld4CqlOp.java

@@ -36,9 +36,7 @@ import org.apache.logging.log4j.Logger;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.*;
-import java.util.concurrent.CompletionStage;
-import java.util.concurrent.TimeUnit;
 
 
 // TODO: add statement filtering
@@ -121,9 +119,15 @@ public abstract class Cqld4CqlOp implements CycleOp<List<Row>>, VariableCapture,
 
         try {
             return rowsStage.toCompletableFuture().get(300, TimeUnit.SECONDS);
-        } catch (Exception e) {
+        } catch (ExecutionException exe) {
-            if (e instanceof RuntimeException re) throw re;
+            Throwable ee = exe.getCause();
-            throw new RuntimeException(e);
+            if (ee instanceof RuntimeException re) {
+                throw re;
+            } else throw new NBExecutionException(exe);
+        } catch (InterruptedException ie) {
+            throw new NBInterruptedException(ie);
+        } catch (TimeoutException e) {
+            throw new NBTimeoutException(e);
         } finally {
             processors.flush();
             metrics.recordFetchedPages(fetchedPages);

adapter-cqld4/src/main/java/io/nosqlbench/adapter/cqld4/optypes/NBExecutionException.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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.nosqlbench.adapter.cqld4.optypes;
+
+import java.util.concurrent.ExecutionException;
+
+public class NBExecutionException extends RuntimeException {
+    private final ExecutionException exception;
+
+    public NBExecutionException(ExecutionException e) {
+        this.exception = e;
+    }
+
+    @Override
+    public String getMessage() {
+        return "Wrapped Exception: " + exception.getMessage();
+    }
+
+    @Override
+    public StackTraceElement[] getStackTrace() {
+        return exception.getStackTrace();
+    }
+
+    @Override
+    public synchronized Throwable getCause() {
+        return exception.getCause();
+    }
+}

adapter-cqld4/src/main/java/io/nosqlbench/adapter/cqld4/optypes/NBInterruptedException.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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.nosqlbench.adapter.cqld4.optypes;
+
+public class NBInterruptedException extends RuntimeException {
+    private final InterruptedException exception;
+
+    public NBInterruptedException(InterruptedException e) {
+        this.exception = e;
+    }
+
+    @Override
+    public String getMessage() {
+        return "Wrapped Exception: " + exception.getMessage();
+    }
+
+    @Override
+    public StackTraceElement[] getStackTrace() {
+        return exception.getStackTrace();
+    }
+
+    @Override
+    public synchronized Throwable getCause() {
+        return exception.getCause();
+    }
+}

adapter-cqld4/src/main/java/io/nosqlbench/adapter/cqld4/optypes/NBTimeoutException.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 nosqlbench
+ *
+ * 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.nosqlbench.adapter.cqld4.optypes;
+
+import java.util.concurrent.TimeoutException;
+
+public class NBTimeoutException extends RuntimeException {
+    private final TimeoutException exception;
+
+    public NBTimeoutException(TimeoutException e) {
+        this.exception = e;
+    }
+
+    @Override
+    public String getMessage() {
+        return "Wrapped Exception: " + exception.getMessage();
+    }
+
+    @Override
+    public StackTraceElement[] getStackTrace() {
+        return exception.getStackTrace();
+    }
+
+    @Override
+    public synchronized Throwable getCause() {
+        return exception.getCause();
+    }
+}