exception

问题 Following this tutorial for all the configurations: http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/ Get this error, can get my task tracker and job tracker up, but others keep giving me this error: 013-07-03 19:39:44,918 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = slaveone-12499.phx-os1.stratus.dev.ebay.com/10.9.247

问题 Following this tutorial for all the configurations: http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/ Get this error, can get my task tracker and job tracker up, but others keep giving me this error: 013-07-03 19:39:44,918 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = slaveone-12499.phx-os1.stratus.dev.ebay.com/10.9.247

问题 Following this tutorial for all the configurations: http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/ Get this error, can get my task tracker and job tracker up, but others keep giving me this error: 013-07-03 19:39:44,918 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = slaveone-12499.phx-os1.stratus.dev.ebay.com/10.9.247

问题 When I run cucumber scenarios under PhantomJS I get Capybara::ElementNotFound: Unable to find css ".given_class" exceptions in random places it looks like driver does not wait for element appearance I'm using: Ruby 2.0 Cucumber 1.3.6 Capybara 2.1.0 Selenium-webdriver 2.35.1 PhantomJS 1.9.1 回答1: Capybara, particularly with PhantomJS will load a page really quickly, and perform checks for elements. As such, some elements may not have loaded and tests fail. By default capybara has a wait time of

问题 When I run cucumber scenarios under PhantomJS I get Capybara::ElementNotFound: Unable to find css ".given_class" exceptions in random places it looks like driver does not wait for element appearance I'm using: Ruby 2.0 Cucumber 1.3.6 Capybara 2.1.0 Selenium-webdriver 2.35.1 PhantomJS 1.9.1 回答1: Capybara, particularly with PhantomJS will load a page really quickly, and perform checks for elements. As such, some elements may not have loaded and tests fail. By default capybara has a wait time of

问题 When I run cucumber scenarios under PhantomJS I get Capybara::ElementNotFound: Unable to find css ".given_class" exceptions in random places it looks like driver does not wait for element appearance I'm using: Ruby 2.0 Cucumber 1.3.6 Capybara 2.1.0 Selenium-webdriver 2.35.1 PhantomJS 1.9.1 回答1: Capybara, particularly with PhantomJS will load a page really quickly, and perform checks for elements. As such, some elements may not have loaded and tests fail. By default capybara has a wait time of

问题 everyone. I've been working on a few bots for my discord server and I've come across an issue in one of them which I cant seem to solve. I have a command called 'info', essentially, this command displays some information on a desired user. When I call the command ?info [user] , it works just fine until I intentionally request the info on a user that doesn't exist to test an exception I have in place. Here' @laugh.command(pass_context=True) async def info(ctx, user: discord.Member = None): if

问题 On my computer I have installed .NET Framework 2.0 then later .NET Fratmeworkt 3.0. However recently i get an exception from one program saying "Event 1000, .NET Runtime 2.0 Error Reporting". I'm wondering, why this program is still using .NET Runtime 2.0 instead the new version. How could I check which version of .NET Runtime a specific program uses? Is possible to change it? 回答1: The ".NET runtime" actually means the "Common Language Runtime" (CLR), which has been version 2.0 for the .NET

问题 I know how to handle exceptions thrown by async tasks called by ReactiveCommand<T> but how do I handle an exception that is thrown before the task is returned? In the following example ThrowAndHandle command will throw an exception from the async task when executed and the exception will be handled. The command ThrowButFailToHandle demonstrates that I can not use ThrownExceptions to handle an exception that does not occurr "in" the task but rather before the task is created. How can such an

问题 I know how to handle exceptions thrown by async tasks called by ReactiveCommand<T> but how do I handle an exception that is thrown before the task is returned? In the following example ThrowAndHandle command will throw an exception from the async task when executed and the exception will be handled. The command ThrowButFailToHandle demonstrates that I can not use ThrownExceptions to handle an exception that does not occurr "in" the task but rather before the task is created. How can such an