Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 2366511D7E for ; Mon, 15 Sep 2014 13:56:35 +0000 (UTC) Received: (qmail 62298 invoked by uid 500); 15 Sep 2014 13:56:34 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 62251 invoked by uid 500); 15 Sep 2014 13:56:34 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 62239 invoked by uid 99); 15 Sep 2014 13:56:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 15 Sep 2014 13:56:34 +0000 Date: Mon, 15 Sep 2014 13:56:34 +0000 (UTC) From: "Allen Wittenauer (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HADOOP-11092) hadoop shell commands should print usage if not given a class MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HADOOP-11092?page=3Dcom.atlass= ian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer updated HADOOP-11092: -------------------------------------- Status: Patch Available (was: Open) > hadoop shell commands should print usage if not given a class > ------------------------------------------------------------- > > Key: HADOOP-11092 > URL: https://issues.apache.org/jira/browse/HADOOP-11092 > Project: Hadoop Common > Issue Type: Improvement > Components: scripts > Reporter: Bruno Mah=C3=A9 > Assignee: Allen Wittenauer > Attachments: HADOOP-11092.patch, HDFS-2565.patch, HDFS-2565.patch > > > [root@bigtop-fedora-15 ~]# hdfs foobar > Exception in thread "main" java.lang.NoClassDefFoundError: foobar > Caused by: java.lang.ClassNotFoundException: foobar > at java.net.URLClassLoader$1.run(URLClassLoader.java:217) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > Could not find the main class: foobar. Program will exit. > Instead of loading any class, it would be nice to explain the command is = not valid and to call print_usage() -- This message was sent by Atlassian JIRA (v6.3.4#6332)