NoSuchElementException when uploading empty data

Description

When uploading a file that somehow has empty parameters, the batching process ends up with an empty list of states and breaks with the indicated exception.

13:34:18,037 ERROR [org.zanata.async.AsyncTaskManager] (pool-8-thread-4) Exception when executing an asynchronous task.: java.util.NoSuchElementException
	at com.google.common.collect.Iterables.getLast(Iterables.java:784)
	at org.zanata.service.impl.TranslationStateCacheImpl.textFlowStateUpdated(TranslationStateCacheImpl.java:206)
	at org.zanata.service.impl.TranslationStateCacheImpl$Proxy$_$$_WeldClientProxy.textFlowStateUpdated(Unknown Source)
	at org.zanata.service.impl.TranslationUpdatedManager.textFlowStateUpdated(TranslationUpdatedManager.java:57)
	at org.zanata.service.impl.TranslationUpdatedManager$Proxy$_$$_WeldSubclass.textFlowStateUpdated$$super(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.weld.interceptor.proxy.TerminalAroundInvokeInvocationContext.proceedInternal(TerminalAroundInvokeInvocationContext.java:49)
	at org.jboss.weld.interceptor.proxy.AroundInvokeInvocationContext.proceed(AroundInvokeInvocationContext.java:77)
	at org.zanata.async.AsyncMethodInterceptor.aroundInvoke(AsyncMethodInterceptor.java:113)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.weld.interceptor.reader.SimpleInterceptorInvocation$SimpleMethodInvocation.invoke(SimpleInterceptorInvocation.java:74)
	at org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.executeAroundInvoke(InterceptorMethodHandler.java:84)
	at org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.executeInterception(InterceptorMethodHandler.java:72)
	at org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.invoke(InterceptorMethodHandler.java:56)
	at org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:79)
	at org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:68)
	at org.zanata.service.impl.TranslationUpdatedManager$Proxy$_$$_WeldSubclass.textFlowStateUpdated(Unknown Source)
	at org.zanata.service.impl.TranslationUpdatedManager$Proxy$_$$_WeldClientProxy.textFlowStateUpdated(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.zanata.async.AsyncMethodInterceptor.lambda$aroundInvoke$1(AsyncMethodInterceptor.java:92)
	at org.zanata.async.AsyncTaskManager.lambda$startTask$0(AsyncTaskManager.java:115)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

Environment

None

Activity

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Former user 10 May 2016 at 04:20

https://github.com/zanata/zanata-server/pull/1164

Ready for Release

Details

Assignee

Sean Flanigan

Reporter

Former user(Deactivated)

Labels

Tested Version/s

None

Priority

Medium

More fields

Created 9 May 2016 at 06:47

Updated 27 June 2018 at 02:21

Resolved 12 May 2016 at 00:15

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