Hello, Nathan! Thank you very much for your support. After instantiating my unserializable class in the open method of the spout , everything went well.
Best regards, Florin On Thu, Aug 7, 2014 at 5:45 PM, Nathan Leung <ncle...@gmail.com> wrote: > Most things your spout or bolt uses, especially anything using a network > connection, open file, etc, should be created in the prepare() method, and > not on construction. > > > On Thu, Aug 7, 2014 at 10:43 AM, Spico Florin <spicoflo...@gmail.com> > wrote: > >> Hello! >> I have a bolt that is using a third party class that has a reference >> to java.util.concurrent.CountDownLatch. Due to this fact. I'm getting the >> following exception: >> Exception in thread "main" java.lang.RuntimeException: >> java.io.NotSerializableException: java.util.concurrent.CountDownLatch >> at backtype.storm.utils.Utils.serialize(Utils.java:81) >> at >> backtype.storm.topology.TopologyBuilder.createTopology(TopologyBuilder.java:111) >> at Caused by: java.io.NotSerializableException: >> java.util.concurrent.CountDownLatch >> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1183) >> at >> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) >> at >> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) >> at >> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) >> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) >> at >> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) >> at >> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) >> >> In this case, how can I avoid or how can I handle this situation when you >> are using third party libraries that has these kind of unserializable >> dependencies? >> >> I look forward for your suggestions, opinions >> Best regards, >> Florin >> >> >