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POSuddenly appengine devmode task requests to 0.0.0.0 refused
 

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    <p><strong>Update</strong>: When I disable GWT for my project, this problem goes away!</p> <p>I've been happily using task queues in appengine for several months, and dev mode testing has been great on my Mac OS X machine.</p> <p>Today, it all came crashing down. </p> <pre><code>[ERROR] Job CleanupQueue.task1 threw an unhandled Exception: com.google.apphosting.api.ApiProxy$ApplicationException: ApplicationError: 2: Received exception executing http method POST against URL http://0.0.0.0:8888/tasks/cleanup: Connection to http://0.0.0.0:8888 refused at com.google.appengine.api.urlfetch.dev.LocalURLFetchService.fetch(LocalURLFetchService.java:381) at com.google.appengine.api.taskqueue.dev.LocalTaskQueue$UrlFetchServiceLocalTaskQueueCallback.execute(LocalTaskQueue.java:480) at com.google.appengine.api.taskqueue.dev.UrlFetchJob.execute(UrlFetchJob.java:77) at org.quartz.core.JobRunShell.run(JobRunShell.java:203) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520) [ERROR] Job (CleanupQueue.task1 threw an exception. org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: com.google.apphosting.api.ApiProxy$ApplicationException: ApplicationError: 2: Received exception executing http method POST against URL http://0.0.0.0:8888/tasks/cleanup: Connection to http://0.0.0.0:8888 refused] at org.quartz.core.JobRunShell.run(JobRunShell.java:214) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520) * Nested Exception (Underlying Cause) --------------- com.google.apphosting.api.ApiProxy$ApplicationException: ApplicationError: 2: Received exception executing http method POST against URL http://0.0.0.0:8888/tasks/cleanup: Connection to http://0.0.0.0:8888 refused at com.google.appengine.api.urlfetch.dev.LocalURLFetchService.fetch(LocalURLFetchService.java:381) at com.google.appengine.api.taskqueue.dev.LocalTaskQueue$UrlFetchServiceLocalTaskQueueCallback.execute(LocalTaskQueue.java:480) at com.google.appengine.api.taskqueue.dev.UrlFetchJob.execute(UrlFetchJob.java:77) at org.quartz.core.JobRunShell.run(JobRunShell.java:203) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:520) </code></pre> <p>I haven't changed anything in my project, and reverting to a previously-working version does n't help. 0.0.0.0 is an ip coming internally from the dev server - all of my other references use localhost or 127.0.0.1. I <em>did</em> recently install some OS updates from Apple, but I would have sworn that dev mode has worked between then and now.</p> <p>Where can I start looking for the cause? Thanks for any ideas - I'm stumped!</p> <p>Note: the same code and setup on my windows machines works great.</p> <p>Note 2: starting from scratch with the GAE java sdk 1.5.5, I made the simplest-possible taskqueue sample app and got the same connection refused messages.</p> <h1>Extra Info</h1> <p>ifconfig:</p> <pre><code>lo0: flags=8049&lt;UP,LOOPBACK,RUNNING,MULTICAST&gt; mtu 16384 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 inet 127.0.0.1 netmask 0xff000000 gif0: flags=8010&lt;POINTOPOINT,MULTICAST&gt; mtu 1280 stf0: flags=0&lt;&gt; mtu 1280 en0: flags=8863&lt;UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST&gt; mtu 1500 ether c8:2a:14:0d:d8:e8 inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255 media: autoselect (none) status: inactive fw0: flags=8863&lt;UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST&gt; mtu 4078 lladdr 70:cd:60:ff:fe:6a:28:ae media: autoselect &lt;full-duplex&gt; status: inactive en1: flags=8863&lt;UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST&gt; mtu 1500 ether 78:ca:39:b4:c3:8a inet6 fe80::7aca:39ff:feb4:c38a%en1 prefixlen 64 scopeid 0x6 inet 192.168.2.3 netmask 0xffffff00 broadcast 192.168.2.255 media: autoselect status: active </code></pre>
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    1. CO@NickJohnson I hate to lean on you directly, but you're my only link to the appengine team - any ideas? This has been an all-but-show-stopper for a WEEK!
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