Cross language exception (#10023)

java/api/src/main/java/io/ray/api/exception/RayActorException.java

@@ -1,15 +0,0 @@
-package io.ray.api.exception;
-
-/**
- * Indicates that the actor died unexpectedly before finishing a task.
- *
- * This exception could happen either because the actor process dies while executing a task, or
- * because a task is submitted to a dead actor.
- */
-public class RayActorException extends RayException {
-
-  public RayActorException() {
-    super("The actor died unexpectedly before finishing this task.");
-  }
-
-}

java/api/src/main/java/io/ray/api/exception/RayException.java

@@ -1,15 +0,0 @@
-package io.ray.api.exception;
-
-/**
- * Base class of all ray exceptions.
- */
-public class RayException extends RuntimeException {
-
-  public RayException(String message) {
-    super(message);
-  }
-
-  public RayException(String message, Throwable cause) {
-    super(message, cause);
-  }
-}

java/api/src/main/java/io/ray/api/exception/RayTaskException.java

@@ -1,15 +0,0 @@
-package io.ray.api.exception;
-
-/**
- * Indicates that a task threw an exception during execution.
- *
- * If a task throws an exception during execution, a RayTaskException is stored in the object store
- * as the task's output. Then when the object is retrieved from the object store, this exception
- * will be thrown and propagate the error message.
- */
-public class RayTaskException extends RayException {
-
-  public RayTaskException(String message, Throwable cause) {
-    super(message, cause);
-  }
-}

java/api/src/main/java/io/ray/api/exception/RayWorkerException.java

@@ -1,12 +0,0 @@
-package io.ray.api.exception;
-
-/**
- * Indicates that the worker died unexpectedly while executing a task.
- */
-public class RayWorkerException extends RayException {
-
-  public RayWorkerException() {
-    super("The worker died unexpectedly while executing this task.");
-  }
-
-}

java/api/src/main/java/io/ray/api/exception/UnreconstructableException.java

@@ -1,23 +0,0 @@
-package io.ray.api.exception;
-
-import io.ray.api.id.ObjectId;
-
-/**
- * Indicates that an object is lost (either evicted or explicitly deleted) and cannot be
- * restarted.
- *
- * Note, this exception only happens for actor objects. If actor's current state is after object's
- * creating task, the actor cannot re-run the task to reconstruct the object.
- */
-public class UnreconstructableException extends RayException {
-
-  public final ObjectId objectId;
-
-  public UnreconstructableException(ObjectId objectId) {
-    super(String.format(
-        "Object %s is lost (either evicted or explicitly deleted) and cannot be reconstructed.",
-        objectId));
-    this.objectId = objectId;
-  }
-
-}