Re: [Zookeeper-user] strange NPE

[Ted D. <tdu...@ve...>]

I had this same issue.

The real problem is that there should be a real error message in an
IllegalArgument exception that is generated by the client code.  Doing the
round trip and causing an exception on the server is bad juju.


On 4/25/08 10:01 AM, "Patrick Hunt" <ph...@gm...> wrote:

> I looked at the underlying code of the stack trace you provided. Looks like
> "path" in the watch event is null. Could this be possible? I don't think zk
> should allow users to create null path nodes - please enter a bug - a
> reproduceable test case would be great.
> 
> Patrick
> 
> On Thu, Apr 24, 2008 at 3:14 PM, Stefan Groschupf <sg...@10...> wrote:
>> Hi,
>> I'm running into a  strange NPE.
>> I basically have a watch object
>>   public void process(WatcherEvent event) {
>>          System.out.println("watch: " + event);
>> }
>> 
>> Starting up some of my tests show following stack in my logs:
>> 
>> java.lang.NullPointerException
>>         at com.yahoo.jute.Utils.toCSVString(Utils.java:128)
>>         at com.yahoo.jute.CsvOutputArchive.writeString(CsvOutputArchive.java:
>> 95)
>>         at com.yahoo.zookeeper.proto.WatcherEvent.toString(WatcherEvent.java:
>> 60)
>>         at java.lang.String.valueOf(String.java:2615)
>>         at java.lang.StringBuilder.append(StringBuilder.java:116)
>>         at net.sf.katta.ZKClient.process(ZKClient.java:41)
>>         at 
>> com.yahoo.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:253)
>> 
>> Is that a known problem, I couldn't found a bug report?
>> 
>> Thanks.
>> Stefan
>> 
>> 
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> 101tec Inc.
>> Menlo Park, California, USA
>> http://www.101tec.com
>> 
>> 
>> 
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> 
> 
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