Closing ticket 541

akka-actor/src/main/scala/akka/AkkaException.scala

@@ -0,0 +1,52 @@
+/**
+ * Copyright (C) 2009-2010 Scalable Solutions AB <http://scalablesolutions.se>
+ */
+
+package akka
+
+import akka.util.Logging
+import akka.actor.newUuid
+
+import java.io.{StringWriter, PrintWriter}
+import java.net.{InetAddress, UnknownHostException}
+
+/**
+ * Akka base Exception. Each Exception gets:
+ * <ul>
+ *   <li>a UUID for tracking purposes</li>
+ *   <li>a message including exception name, uuid, original message and the stacktrace</li>
+ *   <li>a method 'log' that will log the exception once and only once</li>
+ * </ul>
+ *
+ * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
+ */
+@serializable abstract class AkkaException(message: String) extends RuntimeException(message) {
+  import AkkaException._
+  val exceptionName = getClass.getName
+
+  val uuid = "%s_%s".format(hostname, newUuid)
+
+  override val toString = "%s\n\t[%s]\n\t%s\n\t%s".format(exceptionName, uuid, message, stackTrace)
+
+  val stackTrace = {
+    val sw = new StringWriter
+    val pw = new PrintWriter(sw)
+    printStackTrace(pw)
+    sw.toString
+  }
+
+  private lazy val _log = {
+    AkkaException.log.slf4j.error(toString)
+    ()
+  }
+
+  def log: Unit = _log
+}
+
+object AkkaException extends Logging {
+  val hostname = try {
+    InetAddress.getLocalHost.getHostName
+  } catch {
+    case e: UnknownHostException => "unknown"
+  }
+}