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POIs there a list of applicationError codes & descriptions for the Google AppEngine ApplicationException?
 

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  1. POIs there a list of applicationError codes & descriptions for the Google AppEngine ApplicationException?
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    <p>Hello everyone and thanks up front for your time,</p> <p>I am working on a java-based GAE web application and now and then I get ApiProxy.ApplicationExceptions.</p> <p>In the current case they appear randomly and come with the applicationError 108 when I open a write channel to a blob using the (yes I know, still experimental) FileStore API. Although the API is still in an experimental state, I'd like to handle the thrown exception correctly. Thus my question:</p> <p><strong>Where can I find a list of possible application errors including their descriptions?</strong></p> <p>As of right now it is not possible for me to figure out where the problem resides since the thrown exception does not contain something like a message, hint or reason phrase but only the error ID 108:</p> <pre><code>Caused by: com.google.apphosting.api.ApiProxy$ApplicationException: ApplicationError: 108: at java.lang.Thread.getStackTrace(Thread.java:1495) at com.google.apphosting.runtime.ApiProxyImpl.doSyncCall(ApiProxyImpl.java:240) at com.google.apphosting.runtime.ApiProxyImpl.access$000(ApiProxyImpl.java:66) at com.google.apphosting.runtime.ApiProxyImpl$1.run(ApiProxyImpl.java:183) at com.google.apphosting.runtime.ApiProxyImpl$1.run(ApiProxyImpl.java:180) at java.security.AccessController.doPrivileged(Native Method) at com.google.apphosting.runtime.ApiProxyImpl.makeSyncCall(ApiProxyImpl.java:180) at com.google.apphosting.runtime.ApiProxyImpl.makeSyncCall(ApiProxyImpl.java:66) at com.googlecode.objectify.cache.TriggerFutureHook.makeSyncCall(TriggerFutureHook.java:154) at com.google.apphosting.api.ApiProxy.makeSyncCall(ApiProxy.java:107) at com.google.apphosting.api.ApiProxy.makeSyncCall(ApiProxy.java:56) at com.google.appengine.api.files.FileServiceImpl.makeSyncCall(FileServiceImpl.java:584) ... 65 more </code></pre> <p>Also, the corresponding javadoc is quite conservative with giving information: <a href="https://developers.google.com/appengine/docs/java/javadoc/com/google/apphosting/api/ApiProxy.ApplicationException" rel="nofollow">https://developers.google.com/appengine/docs/java/javadoc/com/google/apphosting/api/ApiProxy.ApplicationException</a></p> <p>Currently I bluntly cancel these requests with a 500, but since I am not sure what has happened I should probably do something else/more.</p> <p>Thanksalot!</p>
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