Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Nelson, I agree with Marshall. If you can produce a small test case that shows the problem I will find time to debug it. -jerry On Fri, Feb 17, 2017 at 2:14 PM, Marshall Schor wrote: > Hi Nelson, > > Due to local holidays, you may not see activity here until mid-next week. > >

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

I tested the solution that proposes, add processParentLast="true" to the Cas Multiplier delegate's configuration. The behavior is the same. The other alternative that you say, is that i have a bug somewhere in my code which allows a CAS to be accessed in two separate threads, but i not have

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Nelson, change Cas Multiplier in your deployment descriptor as follows: Note: processParentLast="true". In UIMA-AS async aggregate its possible for a child CAS and its parent CAS to flow through the pipeline at the same time and the parent CAS may reach the end before

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Nelson, I can try to setup a simple pipeline with one AE which will add 20 views and than test serialization. Not sure if I get to it today. If not this will have to wait till Monday next week. I've already mentioned this before, don't operate on a CAS once it leaves an AE. The contract is CAS-In

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

On 2/15/2017 9:51 AM, Jaroslaw Cwiklik wrote: > Not exactly sure how to debug this. a small-ish test case we could run would enable debugging... > The UIMA-AS does not touch contents of > a CAS directly. Are there any other errors in the log besides NPE? The > UIMA-AS uses uima-sdk to serialize

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Not exactly sure how to debug this. The UIMA-AS does not touch contents of a CAS directly. Are there any other errors in the log besides NPE? The UIMA-AS uses uima-sdk to serialize CASes. Since you are getting null from getView(N), this view must have been deleted somehow. -jerry On Mon, Feb 13,

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

I was able to check your email just today. The agregegate is async, but only process one input CAS at the same time,default numberOfCASes. I read your possible explanation but i have no idea that another thread can modificate the cas, because the last annotator's execution is correct and only

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Just a bit more evidence. The caller of the gerSofaAddr() public void writeViewsCommons() throws Exception { // Get indexes for each SofaFS in the CAS int numViews = cas.getBaseSofaCount(); for (int sofaNum = 1; sofaNum <= numViews; sofaNum++) {

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Is this a primitive (single-threaded) aggregate or async (multi-threaded)? If async, try to simplify and run primitive aggregate with scaleout=1. The CAS does not seem to be null in this case. The caller of the getSerializedCas() checks for null. The code dies here: Caused by:

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

Hi, The first thing I did was these tests,i made a simple test case that create a Cas with 17 views and then serialize using XmiCasSerializer.serialize(newJCas.getCas(), fis) and serializes correctly. Also i made other test, initialize the same AE but of local way with UIMA API and process the

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

one thing that would help track this down is a small isolated test case. Do you think uima-as is needed? I'm wondering if a simple test case which generated 17 views and then tried to serialize would show the failure... If you could supply a small test case that showed the failure so we could

Re: Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

The line throwing the null pointer exception is : cas.getView(sofaNum).getSofaRef() So the NPE is either the cas is null, or the getView(sofaNum) is returning null. I'm not sure what the best way is to debug this... -Marshall On 2/9/2017 12:42 PM, nelson rivera wrote: > I have a

Many views in the cas to serialize cause java.lang.NullPointerException in service uima-as

I have a aggregate service uima-as, at the end of aggregate the cas to return is composed of as many views as the number of input files, each view with annotations of processing. With a number of input documents less than 15 the processing is successful always, but if the number of documents is